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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 3.6 ALABAMA
Thursday, August 19, 2004 at 23:51:49 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

Theoretical P-wave Travel Times

Theoretical P-wave Travel Times

These maps show the predicted (theoretical) travel times, in minutes, of the compressional (P) wave from the earthquake location to points around the globe. The travel times are computed using the spherically-symmetric IASP91 reference earth velocity model. The heavy black lines shown are the approximate distances to the P-wave shadow zone (103 to 140 degrees).

Theoretical P-Wave Travel Times
City Distance
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Knoxville, Tennessee 3.12 0:49.823:52:38.8Pn
St. Louis, Missouri 6.07 1:30.423:53:19.4Pn
Miami, Florida 9.48 2:17.123:54:06.1Pn
Wichita, Kansas 9.60 2:18.823:54:07.8Pn
Washington, D.C. 9.84 2:22.223:54:11.2Pn
Philadephia, Pennsylvania 11.63 2:46.723:54:35.7Pn
Brownsville, Texas 11.70 2:47.523:54:36.5Pn
New York, New York 12.79 3:02.423:54:51.4Pn
Duluth, Minnesota 14.10 3:20.423:55:09.4Pn
Ottawa, Canada 14.97 3:32.223:55:21.2Pn
Boston, Massachusetts 15.50 3:39.323:55:28.3Pn
Golden, Colorado 16.04 3:46.323:55:35.3Pn
Albuquerque, New Mexico 16.39 3:50.823:55:39.8Pn
Mexico City, Mexico 17.53 4:05.123:55:54.1Pn
Bangor, Maine 18.24 4:13.923:56:02.9Pn
San Juan, Puerto Rico 23.73 5:13.123:57:02.1P
Los Angeles, California 26.01 5:33.823:57:22.8P
San Francisco, California 29.11 6:01.623:57:50.6P
Seattle, Washington 30.28 6:12.023:58:01.0P
Lima, Peru 46.02 8:24.3 0:00:13.3P
Anchorage, Alaska 48.58 8:44.3 0:00:33.3P
Bergen, Norway 62.8610:26.8 0:02:15.8P
London, England 62.9610:27.6 0:02:16.6P
Honolulu, Hawaii 63.0510:28.1 0:02:17.1P
Rome, Italy 74.9711:42.3 0:03:31.2P
Moscow, Russia 79.6512:08.5 0:03:57.5P
Tokyo, Japan 98.7313:40.3 0:05:29.3Pdiff
Palmer Station, Antarctica 102.1313:55.4 0:05:44.4Pdiff
Beijing, China 104.1014:04.1 0:05:53.1Pdiff
Agana, Guam 112.2914:40.5 0:06:29.5Pdiff
Wellington, New Zealand 116.6614:59.9 0:06:48.9Pdiff
Nairobi, Kenya 118.5915:08.4 0:06:57.4Pdiff
Kathmandu, Nepal 119.0015:10.3 0:06:59.3Pdiff
Brisbane, Australia 128.5415:52.6 0:07:41.6Pdiff

Travel Time Information and Calculator

 


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