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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 5.1 OFFSHORE BAJA CALIFORNIA, MEXICO
Tuesday, June 15, 2004 at 22:28:48 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
Los Angeles, California 1.74 0:30.222:29:18.2Pn
San Francisco, California 6.57 1:36.622:30:24.6Pn
Albuquerque, New Mexico 9.80 2:20.922:31:08.9Pn
Golden, Colorado 12.67 3:00.322:31:48.2Pn
Seattle, Washington 15.81 3:42.622:32:30.6Pn
Wichita, Kansas 17.70 4:06.522:32:54.5Pn
Brownsville, Texas 18.94 4:21.122:33:09.1P
Mexico City, Mexico 21.17 4:45.422:33:33.4P
St. Louis, Missouri 23.35 5:08.622:33:56.6P
Duluth, Minnesota 24.39 5:18.422:34:06.4P
Knoxville, Tennessee 27.28 5:44.522:34:32.5P
Miami, Florida 33.51 6:39.522:35:27.5P
Washington, D.C. 33.67 6:40.922:35:28.9P
Ottawa, Canada 34.96 6:52.122:35:40.1P
Philadephia, Pennsylvania 35.09 6:53.222:35:41.2P
Anchorage, Alaska 35.58 6:57.422:35:45.5P
New York, New York 35.96 7:00.722:35:48.7P
Honolulu, Hawaii 37.08 7:10.222:35:58.2P
Boston, Massachusetts 38.14 7:19.222:36:07.2P
Bangor, Maine 39.83 7:33.322:36:21.3P
San Juan, Puerto Rico 48.34 8:41.622:37:29.6P
Lima, Peru 58.98 9:59.622:38:47.6P
Bergen, Norway 76.6311:50.922:40:38.9P
London, England 80.2812:11.122:40:59.1P
Tokyo, Japan 80.7012:13.322:41:01.3P
Agana, Guam 88.9712:54.822:41:42.8P
Moscow, Russia 89.8412:58.922:41:46.9P
Beijing, China 92.2613:10.122:41:58.1P
Rome, Italy 93.2113:14.522:42:02.5P
Wellington, New Zealand 95.9413:27.022:42:15.0P
Brisbane, Australia 103.4314:00.322:42:48.3Pdiff
Palmer Station, Antarctica 107.5914:18.822:43:06.8Pdiff
Kathmandu, Nepal 116.3514:57.622:43:45.6Pdiff
Nairobi, Kenya 141.0216:47.222:45:35.2Pdiff

Travel Time Information and Calculator

 


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