Phase Data
2 MAR 2013 ( 61)
ot = 12:49:56.74 +/- 0.83 GUAM REGION
lat = 13.673 +/- 10.7
lon = 144.886 +/- 23.9 MAGNITUDE 4.6 (GS)
dep = 127.3 +/- 6.8
27 km (16 miles) NE of HAGATNA, Guam (pop 40,000)
63 km (39 miles) SSW of Rota, Northern Mariana Islands (pop 3,000)
191 km (119 miles) SSW of SAIPAN, Northern Mariana Islands
308 km (192 miles) SSW of Anatahan, Northern Mariana Islands
Felt at Barrigada, Chalan Pago, Santa Rita and Yigo.
nph = 18 of 18 se = 0.41 FE=216 A
error ellipse = (274.0, 8.0, 37.3; 8.0, 25.0, 18.1;167.0, 63.0, 4.4)
mb = 4.6 ( 10) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
GUMO ePn 12:50:14.27 0.2 0.1 192 GUMO
eSn 12:50:26.29 S res = -0.8
ANA2 ePn 12:50:39.70 -0.7 2.8 17 ANA2
eSn 12:51:12.94 S res = -1.0
SARN ePn 12:50:44.99 -0.1 3.1 16 SARN
PATS ePn 12:53:20.74 0.3 14.9 116 PATS
RABL eP 12:54:10.68 0.2 19.2 157 b:3.4+1 .65 4.8 RABL
FAKI eP 12:54:28.26 1.1 20.7 218 b:4.7+1 1.4 4.7 FAKI
MTN eP 12:55:50.12 -0.4 29.7 208 b:2.6+1 1.1 4.8 MTN
CTAO eP 12:56:25.44 0.6 33.6 178 b:5.7+1 1.6 5.1 CTAO
WB2 eP 12:56:35.95 -1.0 35.0 198 WB2
WRAB eP 12:56:36.54 -0.3 35.0 198 b:8.4+0 1.1 4.5 WRAB
FITZ eP 12:56:52.90 0.1 36.8 212 b:8.2+0 1.0 4.5 FITZ
AS01 eP 12:57:07.89 0.1 38.6 196 AS01
AS31 eP 12:57:08.07 0.2 38.6 196 b:1.1+0 .90 3.7 AS31
STKA eP 12:58:02.38 -0.3 45.4 184 b:8.0-1 1.0 3.4 STKA
BBOO eP 12:58:14.68 -0.4 47.0 190 b:9.9+0 .95 4.5 BBOO
FORT eP 12:58:15.78 0.1 47.1 200 b:2.7+1 1.0 4.9 FORT
Generated 2013 MAR 2 at 13:26 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
