World Data Center for Seismology, Denver and International Seismological Centre
International Registry of Seismograph Stations
NETWORK: LRSM
Long Range Seismic Monitoring Network, Garland, Texas, USA (closed)
| Code | Latitude | Longitude | Elevation | Status | Station Name |
|---|---|---|---|---|---|
| -A0MA | 46.6886 | -106.2222 | 897.0 | Closed | Subarray A0 LASA |
| AA-IS | 52.2117 | -174.2036 | 6.0 | Closed | Atka |
| AB-WV | 39.3306 | -79.5669 | 914.0 | Closed | Amboy |
| AC-IS | 51.3894 | 179.3425 | 61.0 | Closed | Amchitka |
| AD-IS | 51.8750 | -176.6792 | 61.0 | Closed | Adak Island |
| AE-NC | 35.4336 | -80.0597 | 183.0 | Closed | Albemarle |
| AG-ME | 44.3728 | -69.6628 | 152.0 | Closed | Augusta |
| AI-NB | 42.1328 | -103.2764 | 1311.0 | Closed | Alliance |
| AK-OK | 34.3683 | -93.0572 | 183.0 | Closed | Atoka |
| AL-OK | 34.3581 | -95.6125 | 213.0 | Closed | Antlers |
| AM-OK | 34.0478 | -97.4114 | 274.0 | Closed | Ardmore |
| AN-MA | 46.7522 | -106.0917 | 907.0 | Closed | Angela |
| AO-WS | 45.6067 | -88.9503 | 518.0 | Closed | Argonne |
| AP-OK | 34.8331 | -98.4358 | 427.0 | Closed | Apache |
| AR-WS | 45.6967 | -88.1422 | 381.0 | Closed | Aurora |
| AS-PA | 40.7331 | -78.5239 | 469.0 | Closed | Altoona |
| AT-NV | 39.4814 | -117.0739 | 1981.0 | Closed | Austin |
| AX-AL | 32.8356 | -86.1764 | 183.0 | Closed | Alexander City |
| AX2AL | 32.7772 | -86.1300 | 213.0 | Closed | Alexander City |
| AY-SD | 43.5278 | -99.1083 | 610.0 | Closed | Academy |
| AZ-TX | 35.4300 | -101.9306 | 988.0 | Closed | Amarillo |
| BA-WS | 44.8994 | -92.2722 | 335.0 | Closed | Baldwin |
| BB-PA | 41.1822 | -76.5519 | 305.0 | Closed | Bloomsburg |
| BD-PA | 40.1333 | -78.5078 | 366.0 | Closed | Bedford |
| BE-FL | 28.9053 | -82.0644 | 21.0 | Closed | Belleview |
| BF-CL | 35.6481 | -118.8575 | 567.0 | Closed | Bakersfield |
| BG-ME | 44.6344 | -69.2214 | 183.0 | Closed | Bangor |
| BH-YK | 61.3706 | -139.1414 | 861.0 | Closed | Burwash Landing |
| BI-VA | 36.8458 | -82.7069 | 549.0 | Closed | Big Stone Gap |
| BK-AR | 35.3567 | -91.6450 | 122.0 | Closed | Bald Knob |
| BL-WV | 37.7989 | -81.3100 | 610.0 | Closed | Beckley |
| BM-TX | 30.9264 | -103.8550 | 1067.0 | Closed | Balmorhea |
| BO-AL | 31.1697 | -86.8597 | 76.0 | Closed | Brewton |
| BP-CL | 37.3600 | -118.6903 | 2317.0 | Closed | Bishop |
| BQ-AK | 60.7789 | -161.8836 | 46.0 | Closed | Bethel |
| BR-PA | 39.9242 | -78.8447 | 665.0 | Closed | Berlin |
| BS-MA | 45.7322 | -108.8922 | 1219.0 | Closed | Billings |
| BT-OR | 44.6244 | -118.7711 | 1372.0 | Closed | Bates |
| BU-QB | 45.7675 | -75.5403 | 183.0 | Closed | Buckingham |
| BV-PA | 40.6844 | -77.6233 | 244.0 | Closed | Belleville |
| BW-WA | 47.3803 | -120.6533 | 884.0 | Closed | Blewett |
| BX-UT | 37.5633 | -109.4347 | 1707.0 | Closed | Blanding |
| BY-IO | 40.7692 | -92.4525 | 259.0 | Closed | Bloomfield |
| BZ-WV | 38.7983 | -80.3494 | 457.0 | Closed | Buckhannon |
| CA-TN | 36.1444 | -84.1897 | 305.0 | Closed | Caryville |
| CC-WA | 47.7692 | -121.0836 | 1036.0 | Closed | Cascade Tunnel |
| CE-WA | 48.5225 | -121.6872 | 274.0 | Closed | Concrete |
| CF-WS | 45.0942 | -91.7664 | 366.0 | Closed | Colfax |
| CG-VA | 36.6264 | -83.2600 | 396.0 | Closed | Cumberland Gap |
| CH-MT | 58.6069 | -93.8167 | 38.0 | Closed | Churchill |
| CI-VA | 37.1936 | -82.4158 | 549.0 | Closed | Clintwood |
| CK-BC | 50.8253 | -121.3278 | 518.0 | Closed | Cache Creek |
| CL-ID | 44.4911 | -114.3417 | 2256.0 | Closed | Challis |
| CN-WS | 45.1928 | -91.1281 | 320.0 | Closed | Cornell |
| CO-SD | 43.2867 | -99.6703 | 640.0 | Closed | Colome |
| CP-CL | 32.7289 | -116.3711 | 1189.0 | Closed | Campo |
| CP-SO | 35.5947 | -85.5706 | 574.0 | Closed | Cumberland Plateau Observatory |
| CQ-NV | 37.9042 | -114.4708 | 1804.0 | Closed | Caliente |
| CR-NB | 40.6644 | -96.8542 | 442.0 | Closed | Crete |
| CR2NB | 40.6367 | -96.8483 | 418.0 | Closed | Crete |
| CS-TN | 35.8153 | -85.1594 | 579.0 | Closed | Crossville |
| CT-OK | 34.4881 | -95.1272 | 305.0 | Closed | Clayton |
| CU-NV | 38.6772 | -115.4550 | 1646.0 | Closed | Currant |
| CV-TN | 35.7700 | -87.3844 | 183.0 | Closed | Centerville |
| CW-AR | 35.1356 | -91.9778 | 152.0 | Closed | Conway |
| CX-WV | 38.3231 | -80.6403 | 732.0 | Closed | Craigsville |
| CY-WY | 41.4167 | -104.8600 | 1920.0 | Closed | Cheyenne |
| CZ-NB | 42.8750 | -101.2417 | 975.0 | Closed | Cody |
| DH-NY | 42.2442 | -74.8883 | 652.0 | Closed | Delhi |
| DI-MA | 45.1736 | -112.4478 | 1859.0 | Closed | Dillon |
| DL-SD | 43.8328 | -96.7733 | 488.0 | Closed | Dell Rapids |
| DP-NY | 42.0883 | -75.4522 | 579.0 | Closed | Deposit |
| DR-CO | 37.4647 | -107.7833 | 2225.0 | Closed | Durango |
| DU-OK | 34.0364 | -96.2178 | 198.0 | Closed | Durant |
| DV-CL | 35.8333 | -116.1017 | 792.0 | Closed | Death Valley |
| DY-KY | 38.6497 | -84.6433 | 259.0 | Closed | Dry Ridge |
| EB-MT | 49.6278 | -95.6222 | 312.0 | Closed | East Braintree |
| ED-MI | 43.2556 | -84.4114 | 213.0 | Closed | Edgewood |
| EF-TX | 31.1764 | -105.1300 | 1433.0 | Closed | Eagle Flat |
| EK-NV | 39.2089 | -115.7103 | 1951.0 | Closed | Eureka |
| EL-WA | 46.9242 | -120.7300 | 975.0 | Closed | Ellensburg |
| EM-KA | 38.5247 | -96.4728 | 411.0 | Closed | Emporia |
| EN-MO | 36.8828 | -90.5956 | 152.0 | Closed | Ellsinore |
| EO2TX | 32.6481 | -96.1586 | 158.0 | Closed | Elmo |
| EP-TX | 31.9328 | -105.9667 | 1615.0 | Closed | El Paso |
| ER101 | 47.9297 | -83.1364 | 457.0 | Closed | Early Rise 101 |
| ER102 | 48.1019 | -82.6036 | 457.0 | Closed | Early Rise 102 |
| ER103 | 48.2264 | -82.1694 | 305.0 | Closed | Early Rise 103 |
| ER104 | 48.3378 | -81.7542 | 396.0 | Closed | Early Rise 104 |
| ER105 | 48.4878 | -81.2706 | 305.0 | Closed | Early Rise 105 |
| ER106 | 48.5383 | -80.7681 | 274.0 | Closed | Early Rise 106 |
| ER107 | 48.5386 | -80.2775 | 305.0 | Closed | Early Rise 107 |
| ER108 | 48.5333 | -79.8642 | 457.0 | Closed | Early Rise 108 |
| ER109 | 48.7975 | -79.3572 | 290.0 | Closed | Early Rise 109 |
| ER110 | 48.8636 | -78.8636 | 305.0 | Closed | Early Rise 110 |
| ER111 | 48.6225 | -78.3106 | 305.0 | Closed | Early Rise 111 |
| ER112 | 48.6964 | -77.9039 | 320.0 | Closed | Early Rise 112 |
| ER113 | 48.8361 | -77.4203 | 290.0 | Closed | Early Rise 113 |
| ER114 | 49.1194 | -77.0067 | 305.0 | Closed | Early Rise 114 |
| ER115 | 49.3811 | -76.5378 | 305.0 | Closed | Early Rise 115 |
| ER116 | 49.5914 | -76.0267 | 305.0 | Closed | Early Rise 116 |
| ER117 | 49.8236 | -75.6000 | 305.0 | Closed | Early Rise 117 |
| ER118 | 49.8206 | -75.1281 | 381.0 | Closed | Early Rise 118 |
| ER119 | 49.7906 | -74.6381 | 381.0 | Closed | Early Rise 119 |
| ER120 | 49.9247 | -74.2583 | 396.0 | Closed | Early Rise 120 |
| ER201 | 49.5947 | -74.2772 | 381.0 | Closed | Early Rise 201 |
| ER202 | 49.3533 | -74.0381 | 46.0 | Closed | Early Rise 202 |
| ER203 | 49.1858 | -73.6717 | 381.0 | Closed | Early Rise 203 |
| ER204 | 49.0400 | -73.3633 | 381.0 | Closed | Early Rise 204 |
| ER205 | 48.8747 | -72.9336 | 351.0 | Closed | Early Rise 205 |
| ER207 | 48.5564 | -72.3456 | 123.0 | Closed | Early Rise 207 |
| ER208 | 48.4097 | -71.9767 | 137.0 | Closed | Early Rise 208 |
| ER209 | 48.4856 | -71.6039 | 168.0 | Closed | Early Rise 209 |
| ER210 | 48.3447 | -71.1464 | 152.0 | Closed | Early Rise 210 |
| ER211 | 48.2758 | -70.7978 | 274.0 | Closed | Early Rise 211 |
| ER212 | 48.1725 | -70.2931 | 183.0 | Closed | Early Rise 212 |
| ER213 | 48.0150 | -70.0728 | 244.0 | Closed | Early Rise 213 |
| ER215 | 47.8044 | -69.4231 | 152.0 | Closed | Early Rise 215 |
| ER216 | 47.6272 | -69.0097 | 290.0 | Closed | Early Rise 216 |
| ER217 | 47.4864 | -68.6633 | 366.0 | Closed | Early Rise 217 |
| ER218 | 47.4047 | -68.3417 | 175.0 | Closed | Early Rise 218 |
| ER219 | 47.2181 | -67.9167 | 183.0 | Closed | Early Rise 219 |
| ER220 | 47.0175 | -67.7278 | 173.0 | Closed | Early Rise 220 |
| ER221 | 46.9122 | -67.3647 | 213.0 | Closed | Early Rise 221 |
| ER222 | 46.8806 | -66.9761 | 442.0 | Closed | Early Rise 222 |
| ER223 | 46.8133 | -66.6133 | 396.0 | Closed | Early Rise 223 |
| ER224 | 46.5922 | -66.2322 | 122.0 | Closed | Early Rise 224 |
| ER225 | 46.5383 | -65.8464 | 31.0 | Closed | Early Rise 225 |
| ER226 | 46.3369 | -65.5950 | 46.0 | Closed | Early Rise 226 |
| ER227 | 46.1961 | -65.1625 | 61.0 | Closed | Early Rise 227 |
| ER228 | 46.1475 | -64.9058 | 152.0 | Closed | Early Rise 228 |
| ER229 | 46.0150 | -64.5211 | 76.0 | Closed | Early Rise 229 |
| ER230 | 45.9686 | -64.1742 | 46.0 | Closed | Early Rise 230 |
| ER231 | 45.8667 | -63.8197 | 15.0 | Closed | Early Rise 231 |
| ER232 | 45.7489 | -63.4486 | 31.0 | Closed | Early Rise 232 |
| ER234 | 45.5922 | -62.7147 | 76.0 | Closed | Early Rise 234 |
| ER235 | 45.5986 | -62.3006 | 61.0 | Closed | Early Rise 235 |
| ER236 | 45.5822 | -61.9044 | 15.0 | Closed | Early Rise 236 |
| ER237 | 45.6264 | -61.5583 | 46.0 | Closed | Early Rise 237 |
| ER238 | 45.6239 | -61.2200 | 23.0 | Closed | Early Rise 238 |
| ER239 | 45.6617 | -60.8392 | 15.0 | Closed | Early Rise 239 |
| ER241 | 46.0281 | -60.2061 | 76.0 | Closed | Early Rise 241 |
| ER242 | 46.1606 | -59.9367 | 15.0 | Closed | Early Rise 242 |
| ER300 | 40.4617 | -80.1806 | 287.0 | Closed | Early Rise 300 |
| ER301 | 40.2869 | -79.9494 | 311.0 | Closed | Early Rise 301 |
| ER302 | 40.0783 | -79.7703 | 317.0 | Closed | Early Rise 302 |
| ER303 | 39.8753 | -79.5306 | 616.0 | Closed | Early Rise 303 |
| ER304 | 39.6958 | -79.2636 | 823.0 | Closed | Early Rise 304 |
| ER306 | 39.2528 | -78.9119 | 290.0 | Closed | Early Rise 306 |
| ER307 | 39.0336 | -78.6531 | 457.0 | Closed | Early Rise 307 |
| ER308 | 38.8297 | -78.4356 | 270.0 | Closed | Early Rise 308 |
| ER309 | 38.6222 | -78.2317 | 232.0 | Closed | Early Rise 309 |
| ER310 | 38.3764 | -78.0556 | 122.0 | Closed | Early Rise 310 |
| ER311 | 38.1644 | -77.8139 | 128.0 | Closed | Early Rise 311 |
| ER312 | 37.9578 | -77.5933 | 67.0 | Closed | Early Rise 312 |
| ER313 | 37.7381 | -77.4308 | 64.0 | Closed | Early Rise 313 |
| ER314 | 37.5247 | -77.1858 | 37.0 | Closed | Early Rise 314 |
| ER315 | 37.2964 | -76.9653 | 18.0 | Closed | Early Rise 315 |
| ER316 | 37.0883 | -76.7550 | 24.0 | Closed | Early Rise 316 |
| ER317 | 36.8811 | -76.5819 | 18.0 | Closed | Early Rise 317 |
| ER318 | 36.6356 | -76.3594 | 3.0 | Closed | Early Rise 318 |
| ER319 | 36.3908 | -76.1642 | 6.0 | Closed | Early Rise 319 |
| ES-ON | 46.3189 | -81.7928 | 274.0 | Closed | Espanola |
| EU-AL | 32.7792 | -87.8739 | 43.0 | Closed | Eutaw |
| EU2AL | 32.7964 | -87.8847 | 43.0 | Closed | Eutaw |
| EW-IS | 11.3972 | 162.3753 | 3.0 | Closed | Eniwetok |
| EY-NV | 39.4100 | -115.3128 | 2012.0 | Closed | Ely |
| EY2NV | 39.4314 | -115.3178 | 2012.0 | Closed | Ely |
| FA-NV | 38.6406 | -116.2228 | 1920.0 | Closed | Faultless |
| FB-AK | 64.9519 | -148.2842 | 716.0 | Closed | Fairbanks |
| FB2AK | 64.9100 | -147.4464 | 343.0 | Closed | Fairbanks |
| FH-PM | 9.3631 | -79.9583 | 15.0 | Closed | Fort Sherman |
| FK-CO | 39.5867 | -104.4617 | 1803.0 | Closed | Franktown |
| FL-BC | 58.8606 | -122.8364 | 655.0 | Closed | Fort Nelson |
| FM-UT | 39.2183 | -112.2069 | 1890.0 | Closed | Fillmore |
| FN-WV | 38.5494 | -79.5131 | 910.0 | Closed | Franklin |
| FO-TX | 30.9017 | -102.6978 | 880.0 | Closed | Fort Stockton |
| FR-MA | 46.1000 | -106.4403 | 823.0 | Closed | Forsyth |
| FS-AZ | 35.0692 | -111.3094 | 1890.0 | Closed | Flagstaff |
| FT-BC | 54.9136 | -122.8822 | 914.0 | Closed | Fort McLeod |
| GA-TX | 32.6569 | -95.7044 | -86.0 | Closed | Grand Saline |
| GA2TX | 32.6581 | -95.7036 | 119.0 | Closed | Grand Saline |
| GA3TX | 32.6597 | -95.7036 | -94.0 | Closed | Grand Saline |
| GB-NM | 36.6869 | -107.2261 | 2164.0 | Closed | Gasbuggy |
| GC-WA | 48.1622 | -121.2822 | 671.0 | Closed | Glacier Peak |
| GD-VA | 37.3928 | -81.9778 | 366.0 | Closed | Grundy |
| GE-AZ | 33.7756 | -110.5281 | 1475.0 | Closed | Globe |
| GF-NV | 37.9175 | -117.2017 | 1707.0 | Closed | Goldfield |
| GG-GR | 49.6922 | 11.2153 | 525.0 | Closed | Gräfenberg |
| GH-MS | 33.3292 | -91.0353 | 30.0 | Closed | Greenville |
| GI-MA | 47.1928 | -104.2194 | 732.0 | Closed | Glendive |
| GL-TX | 32.9722 | -96.6350 | 168.0 | Closed | Garland |
| GM-CU | 19.9669 | -75.0872 | 16.0 | Closed | Guantanamo |
| GN-NM | 32.2625 | -103.8569 | 1036.0 | Closed | Gnome |
| GO-NB | 42.6328 | -102.2739 | 1097.0 | Closed | Gordon |
| GP-MN | 47.6644 | -93.4894 | 427.0 | Closed | Grand Rapids |
| GR1TX | 30.7778 | -99.3842 | 518.0 | Closed | Grit |
| GR2TX | 30.7864 | -99.4161 | 549.0 | Closed | Grit |
| GS-MD | 39.6189 | -79.1833 | 762.0 | Closed | Grantsville |
| GT-PA | 41.6317 | -77.8111 | 610.0 | Closed | Galeton |
| GV-TX | 32.8858 | -96.9983 | 152.0 | Closed | Grapevine |
| GY-MN | 44.5047 | -94.0547 | 305.0 | Closed | Gaylord |
| GZ-OH | 40.6600 | -82.7833 | 372.0 | Closed | Galion |
| HB-OK | 35.1764 | -98.9103 | 491.0 | Closed | Hobart |
| HD-PA | 40.9956 | -77.5956 | 369.0 | Closed | Howard |
| HE-TX | 30.1997 | -96.0919 | 67.0 | Closed | Hempstead |
| HH-ND | 48.9481 | -98.6925 | 488.0 | Closed | Hannah |
| HH2ND | 48.9442 | -98.6822 | 488.0 | Closed | Hannah |
| HK-WY | 41.6958 | -104.3569 | 1494.0 | Closed | Hawk Springs |
| HL-ID | 43.6472 | -114.2506 | 1890.0 | Closed | Hailey |
| HL2ID | 43.5617 | -114.4149 | 1784.0 | Closed | Hailey |
| HM-BC | 51.6550 | -121.4756 | 1128.0 | Closed | 100 Mile House |
| HN-ME | 46.1619 | -67.9858 | 213.0 | Closed | Houlton |
| HR-AZ | 34.6697 | -110.7664 | 1875.0 | Closed | Heber |
| HS-NB | 42.4256 | -102.7144 | 1158.0 | Closed | Hay Springs |
| HT-MN | 44.8528 | -92.8778 | 274.0 | Closed | Hastings |
| HV-MA | 48.4222 | -109.8222 | 884.0 | Closed | Havre |
| HW-IS | 19.9803 | -155.7056 | 705.0 | Closed | Hawaii Island Array |
| HY-MA | 45.9728 | -107.0817 | 975.0 | Closed | Hysham |
| IC-GL | 77.9467 | 39.1833 | 2365.0 | Closed | Ice Cap |
| IK-AR | 34.6194 | -94.1025 | 305.0 | Closed | Ink |
| IO-NV | 38.5258 | -117.6389 | 1737.0 | Closed | Ione |
| JA-MN | 43.8900 | -96.3214 | 518.0 | Closed | Jasper |
| JE-LA | 31.7847 | -92.0153 | 46.0 | Closed | Jena |
| JN-IS | 16.7339 | -169.5281 | 3.0 | Closed | Johnston Island |
| JO-MN | 44.7069 | -93.5083 | 290.0 | Closed | Jordan |
| JP-AT | 52.8972 | -118.0903 | 1128.0 | Closed | Jasper |
| JR-AZ | 34.8256 | -111.9903 | 1311.0 | Closed | Jerome |
| JS-TN | 35.6556 | -88.6128 | 152.0 | Closed | Jackson |
| JU-TX | 30.1119 | -101.0772 | 533.0 | Closed | Juno |
| KC-MO | 39.3558 | -94.6714 | 274.0 | Closed | Kansas City |
| KE-WA | 46.1400 | -119.2775 | 396.0 | Closed | Kennewick |
| KG-AS | 35.6417 | -113.9078 | 1067.0 | Closed | Kingman |
| KG-AZ | 35.6417 | -113.9078 | 1067.0 | Closed | Kingman |
| KH-AZ | 34.4833 | -111.0342 | 2286.0 | Closed | Kohls Ranch |
| KM-CL | 34.8811 | -117.2567 | 853.0 | Closed | Kramer |
| KN-UT | 37.0228 | -112.8275 | 1737.0 | Closed | Kanab |
| KP-NV | 37.8975 | -116.4592 | 2134.0 | Closed | Kawich Peak |
| KR-OR | 43.4175 | -118.5122 | 1402.0 | Closed | Crane |
| KV-AT | 56.8303 | -117.3239 | 305.0 | Closed | Keg River |
| LA-GA | 34.8572 | -85.4500 | 610.0 | Closed | Lafayette |
| LB-NH | 43.6208 | -72.2756 | 274.0 | Closed | Lebanon |
| LC-NM | 32.4022 | -106.5994 | 1585.0 | Closed | Las Cruces |
| LD-MS | 30.9500 | -88.8833 | 70.0 | Closed | Lucedale |
| LD2MS | 30.8528 | -88.5406 | 79.0 | Closed | Lucedale |
| LD3MS | 30.6661 | -89.0436 | 46.0 | Closed | Lucedale |
| LE-TN | 35.6347 | -86.7672 | 213.0 | Closed | Lewisburg |
| LF-TN | 36.4697 | -83.8286 | 366.0 | Closed | La Follette |
| LG-AZ | 34.4078 | -111.5458 | 1768.0 | Closed | Long Valley |
| LI-NV | 38.3061 | -117.2917 | 1829.0 | Closed | Liberty |
| LL-MS | 31.7214 | -89.3558 | 91.0 | Closed | Laurel |
| LM-NV | 36.5825 | -114.5353 | 536.0 | Closed | Lake Mead |
| LN-MA | 47.2119 | -109.1489 | 1448.0 | Closed | Lewistown |
| LO-NV | 39.9353 | -118.8394 | 1280.0 | Closed | Lovelock |
| LP-TX | 29.1797 | -99.6764 | 274.0 | Closed | La Pryor |
| LS-NH | 44.2383 | -71.9225 | 287.0 | Closed | Lisbon |
| LT-PA | 40.3392 | -78.0667 | 396.0 | Closed | Lewistown |
| LU-MS | 31.0389 | -89.2389 | 91.0 | Closed | Lumberton |
| LV-LA | 32.1361 | -91.8750 | 15.0 | Closed | Liddieville |
| LW-WA | 47.8456 | -120.9017 | 762.0 | Closed | Lake Wenatchee |
| LY-WA | 48.6475 | -122.2028 | 122.0 | Closed | Lynden |
| LZ-BV | -16.2586 | -68.4797 | 3993.0 | Closed | La Paz |
| MB-MS | 31.3428 | -90.2864 | 122.0 | Closed | McComb |
| MC-SD | 43.6544 | -97.9194 | 366.0 | Closed | Mitchell |
| ME-BC | 50.1058 | -120.6656 | 1067.0 | Closed | Merritt |
| MF-WS | 45.3475 | -90.5897 | 412.0 | Closed | Medford |
| MH-NB | 41.8889 | -103.8917 | 1311.0 | Closed | Mitchell |
| MK-AR | 35.5589 | -90.2653 | 61.0 | Closed | Marked Tree |
| ML-NM | 33.4147 | -108.8364 | 1646.0 | Closed | Mogollon |
| ML1CL | 37.8806 | -118.8494 | 2512.0 | Closed | Mono Lake |
| ML2CL | 38.0806 | -119.2442 | 2987.0 | Closed | Mono Lake |
| ML3CL | 37.5494 | -118.8153 | 2512.0 | Closed | Mono Lake |
| ML4CL | 38.3058 | -119.5536 | 2195.0 | Closed | Mono Lake |
| MM-TN | 35.5644 | -85.5889 | 381.0 | Closed | McMinnville |
| MN-NV | 38.4361 | -118.1481 | 1524.0 | Closed | Mina |
| MO-ID | 43.0719 | -116.2656 | 792.0 | Closed | Mountain Home |
| MP-AR | 34.6017 | -93.1458 | 183.0 | Closed | Mountain Pine |
| MR-PA | 40.8147 | -77.1756 | 213.0 | Closed | Middleburg |
| MS-PA | 41.7611 | -75.7975 | 457.0 | Closed | Montrose |
| MU-WA | 48.9167 | -121.9103 | 732.0 | Closed | Mount Baker |
| MV-CL | 39.2131 | -121.2931 | 183.0 | Closed | Marysville |
| MW-ON | 46.2753 | -78.5717 | 244.0 | Closed | Mattawa |
| MX-TN | 35.5503 | -86.2700 | 305.0 | Closed | Manchester |
| MY-AR | 35.3511 | -91.0797 | 61.0 | Closed | McCrory |
| MZ-AR | 34.5586 | -93.6578 | 213.0 | Closed | Mount Ida |
| NB-MN | 45.5328 | -92.8475 | 259.0 | Closed | North Branch |
| ND-CL | 34.5992 | -115.5514 | 366.0 | Closed | Needles |
| NG-WS | 45.7575 | -88.1492 | 396.0 | Closed | Niagara |
| NL-AZ | 35.9014 | -109.5694 | 1768.0 | Closed | Nazlini |
| NL2AZ | 35.8069 | -109.6286 | 1920.0 | Closed | Nazlini |
| NP-NT | 76.2522 | -119.3717 | 59.0 | Closed | Mould Bay |
| NR-NB | 42.8197 | -101.7011 | 975.0 | Closed | Niobrara River |
| NT-NV | 37.2758 | -116.4183 | 1987.0 | Closed | Nevada Test Site |
| NT2NV | 37.2533 | -116.2858 | 2185.0 | Closed | Nevada Test Site |
| OA-IS | 21.4575 | -157.9964 | 183.0 | Closed | Oahu Island |
| OB-NV | 37.2358 | -116.0525 | 1731.0 | Closed | Oak Springs Butte |
| OB2NV | 37.2253 | -116.0578 | 1542.0 | Closed | Oak Springs Butte |
| OB3NV | 37.2325 | -116.0542 | 1609.0 | Closed | Oak Springs Butte |
| OO-NW | 61.0547 | 10.8661 | 555.0 | Closed | Oslo |
| OR-FL | 28.4669 | -81.2214 | 20.0 | Closed | Orlando |
| PB-TN | 35.7361 | -88.1361 | 122.0 | Closed | Parsons |
| PC-MS | 30.5558 | -89.7825 | 12.0 | Closed | Picayune |
| PD-BC | 49.3922 | -120.4764 | 914.0 | Closed | Princeton |
| PE-WV | 37.6147 | -81.6653 | 427.0 | Closed | Pineville |
| PF-MI | 46.0878 | -84.4608 | 259.0 | Closed | Pickford |
| PG-BC | 53.9972 | -122.5231 | 914.0 | Closed | Prince George |
| PG2BC | 53.9911 | -122.5122 | 747.0 | Closed | Prince George |
| PH-NV | 37.2983 | -116.5481 | 1792.0 | Closed | Pahute Mesa Array Site Jorum 4 |
| PH-WA | 46.3236 | -117.3281 | 945.0 | Closed | Pomeroy |
| PH2NV | 37.2422 | -116.4644 | 1908.0 | Closed | Pahute Mesa Array Site Jorum 1 |
| PH3NV | 37.3725 | -116.5286 | 1603.0 | Closed | Pahute Mesa Array Site Handley 1 |
| PH4NV | 37.2556 | -116.4636 | 1917.0 | Closed | Pahute Mesa Array Site Handley 6 |
| PI-WY | 42.4528 | -109.5486 | 2170.0 | Closed | Pinedale |
| PI2WY | 42.7672 | -109.5619 | 2195.0 | Closed | Pinedale |
| PJ-PA | 40.2828 | -75.5836 | 91.0 | Closed | Pottstown |
| PK-OR | 45.3175 | -118.9092 | 1036.0 | Closed | Pilot Rock |
| PM-WY | 41.2075 | -105.3608 | 2469.0 | Closed | Pole Mountain |
| PN-OR | 43.7431 | -118.5772 | 1250.0 | Closed | Pine Creek |
| PO-TX | 33.4756 | -101.3622 | 914.0 | Closed | Post |
| PP-MN | 44.0775 | -96.1508 | 533.0 | Closed | Pipestone |
| PQ-ID | 42.2281 | -111.7158 | 1554.0 | Closed | Preston |
| PR-IS | 5.8881 | -162.0942 | 3.0 | Closed | Palmyra Island |
| PT-OR | 45.6111 | -118.8839 | 411.0 | Closed | Pendleton |
| PU-MS | 31.1519 | -89.5489 | 91.0 | Closed | Purvis |
| PV-AR | 34.9294 | -92.6700 | 213.0 | Closed | Perryville |
| PW-IL | 40.9161 | -88.5853 | 210.0 | Closed | Pontiac |
| PX-WV | 39.0761 | -79.9111 | 518.0 | Closed | Philippi |
| PY-AZ | 34.2542 | -111.3269 | 1516.0 | Closed | Payson |
| PZ-PR | 17.9700 | -66.4178 | 5.0 | Closed | Ponce |
| QM-NV | 37.5631 | -116.3178 | 1878.0 | Closed | Quartzite Mountain |
| QN-BC | 52.9569 | -122.3958 | 610.0 | Closed | Quesnel |
| RG-SD | 45.2164 | -103.5347 | 945.0 | Closed | Redig |
| RH-NV | 38.2267 | -116.3814 | 1768.0 | Closed | Rawhide Mountain |
| RI-MS | 31.1978 | -88.8508 | 37.0 | Closed | Richton |
| RK-ON | 50.8389 | -93.6722 | 366.0 | Closed | Red Lake |
| RL-WS | 45.3081 | -90.0986 | 472.0 | Closed | Rib Lake |
| RN-WV | 38.0764 | -80.8483 | 853.0 | Closed | Rainelle |
| RS-KY | 37.1986 | -84.8683 | 274.0 | Closed | Russell Springs |
| RT-NM | 36.7294 | -104.3603 | 1951.0 | Closed | Raton |
| RY-ND | 48.0972 | -101.4944 | 640.0 | Closed | Ryder |
| SA-OR | 44.1556 | -118.6625 | 1524.0 | Closed | Seneca |
| SA2TX | 31.5500 | -100.9075 | 732.0 | Closed | San Angelo |
| SA4TX | 31.8247 | -101.4264 | 792.0 | Closed | San Angelo |
| SC-NV | 39.8739 | -119.6408 | 1341.0 | Closed | Sutcliffe |
| SE-MN | 44.4142 | -94.6653 | 244.0 | Closed | Sleepy Eye |
| SF-AZ | 34.4386 | -110.5144 | 1981.0 | Closed | Snowflake |
| SG-AZ | 35.6408 | -113.2608 | 1676.0 | Closed | Seligman |
| SH-PA | 41.0136 | -76.9136 | 183.0 | Closed | Shamokin |
| SI-BC | 54.7883 | -127.0714 | 579.0 | Closed | Smithers |
| SJ-TX | 27.6119 | -98.3128 | 114.0 | Closed | San Jose |
| SK-TX | 35.0828 | -100.3639 | 671.0 | Closed | Shamrock |
| SL-ON | 46.6372 | -84.3506 | 335.0 | Closed | Sault Sainte Marie |
| SM-TX | 33.6822 | -99.1897 | 396.0 | Closed | Seymour |
| SN-AZ | 33.8636 | -111.6928 | 884.0 | Closed | Sunflower |
| SO-QB | 45.7550 | -72.2550 | 152.0 | Closed | Sorel |
| SP-IS | 57.1542 | -170.2181 | 10.0 | Closed | Saint Paul |
| SQ-IS | 52.7269 | 174.1092 | 61.0 | Closed | Shemya |
| SR-OR | 44.9403 | -117.4278 | 1341.0 | Closed | Sparta |
| SS-TX | 30.0214 | -102.3281 | 732.0 | Closed | Sanderson |
| ST-NV | 39.4381 | -118.5800 | 1219.0 | Closed | Stillwater |
| ST1TX | 30.7522 | -99.3556 | 518.0 | Closed | Streeter |
| ST2TX | 30.7922 | -99.4478 | 579.0 | Closed | Streeter |
| ST4TX | 31.1633 | -100.0611 | 640.0 | Closed | Streeter |
| SU-VA | 37.7597 | -78.7267 | 165.0 | Closed | Schuyler |
| SV-AZ | 34.1756 | -109.1469 | 2134.0 | Closed | Springerville |
| SV2QB | 54.8150 | -66.7586 | 594.0 | Closed | Schefferville |
| SV3QB | 54.8108 | -66.7500 | 579.0 | Closed | Schefferville |
| SW-MA | 48.9689 | -111.9628 | 1113.0 | Closed | Sweetgrass |
| SX-SD | 43.8747 | -97.2500 | 488.0 | Closed | Salem |
| SY-SD | 43.6056 | -98.4917 | 488.0 | Closed | Stickney |
| SZ-NV | 39.2036 | -118.3800 | 1606.0 | Closed | Shoal |
| TC-NM | 33.1842 | -107.4617 | 1524.0 | Closed | Truth or Consequences (T or C) |
| TD-NM | 36.6556 | -106.1717 | 2926.0 | Closed | Tres Piedras |
| TE-GL | 76.4972 | -68.6056 | 213.0 | Closed | Thule |
| TF-CL | 35.1636 | -119.9675 | 793.0 | Closed | Taft |
| TG-IS | -9.0600 | -158.0356 | 3.0 | Closed | Tongareva Island |
| TI-NV | 37.2853 | -116.8669 | 1524.0 | Closed | Tolicha Peak |
| TK-WA | 48.7939 | -119.5878 | 549.0 | Closed | Tonasket |
| TL-WY | 43.3917 | -108.0881 | 1615.0 | Closed | Thermopolis |
| TM-WS | 45.4919 | -89.5031 | 488.0 | Closed | Tomahawk |
| TN-CL | 34.1983 | -115.9500 | 533.0 | Closed | Twentynine Palms |
| TO-OK | 34.3564 | -96.5681 | 259.0 | Closed | Tishomingo |
| TP-NV | 37.2003 | -116.2261 | 2256.0 | Closed | Tippipah |
| TQ-MS | 31.1328 | -89.5711 | 130.0 | Closed | Tatum Dome |
| TS-ND | 47.1069 | -103.6731 | 816.0 | Closed | Trotters |
| TT-MI | 46.2097 | -85.1678 | 259.0 | Closed | Trout Lake |
| TU-PA | 41.5714 | -76.1367 | 366.0 | Closed | Tunkhannock |
| TY-MN | 44.3458 | -95.5197 | 351.0 | Closed | Tracy |
| UK-OR | 45.0931 | -118.8986 | 1311.0 | Closed | Ukiah |
| VN-UT | 40.5086 | -109.5792 | 1768.0 | Closed | Vernal |
| VO-IO | 42.2250 | -92.1269 | 274.0 | Closed | Vinton |
| VT-OR | 43.1136 | -118.4147 | 1341.0 | Closed | Venator |
| WA-OK | 34.4417 | -94.4911 | 305.0 | Closed | Watson |
| WD-MN | 44.1161 | -95.1550 | 381.0 | Closed | Windom |
| WF-MN | 43.8014 | -92.3731 | 381.0 | Closed | Wykoff |
| WH-YK | 60.7342 | -135.1492 | 762.0 | Closed | Whitehorse |
| WH2YK | 60.6947 | -134.9672 | 853.0 | Closed | Whitehorse |
| WI-NV | 41.3506 | -117.4583 | 1524.0 | Closed | Winnemucca |
| WK-BC | 52.1786 | -121.9817 | 975.0 | Closed | Williams Lake |
| WL-YK | 60.1167 | -128.7644 | 716.0 | Closed | Watson Lake |
| WM-AZ | 35.4178 | -112.2150 | 1920.0 | Closed | Williams |
| WN-SD | 43.2522 | -100.1961 | 792.0 | Closed | Winner |
| WO-AZ | 34.8814 | -110.6208 | 1585.0 | Closed | Winslow |
| WP-TX | 32.6069 | -95.8861 | 161.0 | Closed | Wills Point |
| WQ-IL | 40.8656 | -87.5864 | 198.0 | Closed | Watseka |
| WR-AR | 36.0583 | -91.2219 | 122.0 | Closed | Walnut Ridge |
| WS-AT | 56.6594 | -111.2686 | 366.0 | Closed | Waterways |
| WT-TN | 36.1097 | -84.7578 | 427.0 | Closed | Wartburg |
| WW-UT | 38.5139 | -113.5889 | 1829.0 | Closed | Wah Wah Mountains |
| WY-AR | 35.6122 | -90.7069 | 122.0 | Closed | Wynne |
| WZ-NV | 38.0628 | -116.4397 | 2073.0 | Closed | Warm Springs |
| YA-WA | 46.5000 | -119.9200 | 610.0 | Closed | Yakima |
| YF-NV | 37.0683 | -116.0019 | 1271.0 | Closed | Yucca Flat NTS |
| YF2NV | 37.0694 | -116.0122 | 1260.0 | Closed | Yucca Flat NTS |
| YF3NV | 37.0728 | -116.0242 | 1254.0 | Closed | Yucca Flat NTS |
| YF4NV | 37.0747 | -116.0367 | 1244.0 | Closed | Yucca Flat NTS |
| YM-NV | 36.9314 | -116.5542 | 1341.0 | Closed | Yucca Mountain |
| YR-CL | 41.6353 | -122.7539 | 914.0 | Closed | Yreka |
Inquiries should be directed to: Julie Martinez jmartinez@usgs.gov
