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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 7.2 NEAR THE WEST COAST OF COLOMBIA
Monday, November 15, 2004 at 09:06:56 UTC

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

Theoretical P-wave Travel Times

This map shows 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
Lima, Peru 16.60 3:52.8 9:10:47.8Pn
San Juan, Puerto Rico 17.73 4:06.9 9:11:01.9Pn
Miami, Florida 21.19 4:45.5 9:11:40.5P
Mexico City, Mexico 25.71 5:30.4 9:12:25.4P
Brownsville, Texas 28.53 5:55.7 9:12:50.7P
Knoxville, Tennessee 31.97 6:26.1 9:13:21.1P
Washington, D.C. 34.13 6:44.9 9:13:39.9P
Philadephia, Pennsylvania 35.24 6:54.5 9:13:49.5P
St. Louis, Missouri 35.81 6:59.4 9:13:54.4P
New York, New York 36.08 7:01.7 9:13:56.7P
Wichita, Kansas 37.62 7:14.8 9:14:09.8P
Boston, Massachusetts 38.00 7:18.0 9:14:13.0P
Albuquerque, New Mexico 40.53 7:39.1 9:14:34.1P
Ottawa, Canada 40.67 7:40.3 9:14:35.3P
Bangor, Maine 40.76 7:41.0 9:14:36.0P
Golden, Colorado 42.98 7:59.2 9:14:54.2P
Duluth, Minnesota 43.84 8:06.2 9:15:01.2P
Los Angeles, California 47.78 8:37.3 9:15:32.3P
San Francisco, California 52.52 9:13.2 9:16:08.2P
Seattle, Washington 57.58 9:49.9 9:16:44.9P
Palmer Station, Antarctica 72.8411:29.0 9:18:24.0P
Anchorage, Alaska 77.5211:56.0 9:18:51.0P
London, England 78.5512:01.7 9:18:56.7P
Honolulu, Hawaii 79.3112:05.8 9:19:00.8P
Bergen, Norway 82.4912:22.8 9:19:17.8P
Rome, Italy 86.9912:45.4 9:19:40.4P
Moscow, Russia 100.0513:45.3 9:20:40.3Pdiff
Wellington, New Zealand 106.3014:13.0 9:21:08.0Pdiff
Nairobi, Kenya 114.4014:49.0 9:21:44.0Pdiff
Brisbane, Australia 126.8315:44.2 9:22:39.2Pdiff
Tokyo, Japan 126.8315:44.2 9:22:39.2Pdiff
Beijing, China 133.8716:15.4 9:23:10.4Pdiff
Agana, Guam 134.3416:17.5 9:23:12.5Pdiff
Kathmandu, Nepal 143.8716:59.8 9:23:54.8Pdiff

Travel Time Information and Calculator

 


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