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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 6.4 CENTRAL IRAN
Tuesday, February 22, 2005 at 02:25:22 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
Kathmandu, Nepal 25.05 5:20.2 2:30:46.2P
Moscow, Russia 28.41 5:50.4 2:31:16.4P
Rome, Italy 37.02 7:05.4 2:32:31.4P
Nairobi, Kenya 37.09 7:06.0 2:32:32.0P
Bergen, Norway 44.94 8:10.5 2:33:36.5P
London, England 46.34 8:21.6 2:33:47.6P
Beijing, China 48.71 8:40.0 2:34:06.0P
Tokyo, Japan 67.5910:52.2 2:36:18.2P
Agana, Guam 81.5112:12.9 2:37:38.9P
Anchorage, Alaska 85.8212:35.0 2:38:01.0P
Bangor, Maine 89.9612:54.7 2:38:20.7P
Ottawa, Canada 92.8013:07.9 2:38:33.9P
Boston, Massachusetts 92.9113:08.4 2:38:34.4P
New York, New York 95.5813:20.6 2:38:46.6P
Philadephia, Pennsylvania 96.7313:25.8 2:38:51.8P
Duluth, Minnesota 97.9313:31.1 2:38:57.1P
Washington, D.C. 98.4713:33.5 2:38:59.5Pdiff
Seattle, Washington 101.8213:48.4 2:39:14.4Pdiff
St. Louis, Missouri 104.4313:60.0 2:39:26.0Pdiff
Knoxville, Tennessee 104.6514:01.0 2:39:27.0Pdiff
San Juan, Puerto Rico 106.5014:09.2 2:39:35.2Pdiff
Wichita, Kansas 107.6914:14.4 2:39:40.4Pdiff
Golden, Colorado 107.9014:15.4 2:39:41.4Pdiff
Brisbane, Australia 108.4314:17.7 2:39:43.8Pdiff
Miami, Florida 110.3514:26.3 2:39:52.3Pdiff
San Francisco, California 111.8414:32.9 2:39:58.9Pdiff
Albuquerque, New Mexico 112.6914:36.7 2:40:02.7Pdiff
Los Angeles, California 115.3914:48.6 2:40:14.6Pdiff
Honolulu, Hawaii 118.4715:02.3 2:40:28.3Pdiff
Brownsville, Texas 118.5415:02.6 2:40:28.6Pdiff
Mexico City, Mexico 125.0415:31.4 2:40:57.4Pdiff
Palmer Station, Antarctica 129.6715:52.0 2:41:18.0Pdiff
Wellington, New Zealand 129.7015:52.2 2:41:18.2Pdiff
Lima, Peru 133.5716:09.3 2:41:35.3Pdiff

Travel Time Information and Calculator

 


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