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Earthquake Hazards Program

Magnitude 4.2 SAKHALIN, RUSSIA

Friday, July 27, 2007 at 14:08:42 UTC

Theoretical P-Wave Travel Times

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
Tokyo, Japan 10.67 2:25.914:11:07.9Pn
Beijing, China 20.17 4:09.914:12:51.9P
Agana, Guam 32.57 6:00.114:14:42.1P
Anchorage, Alaska 40.70 7:08.014:15:50.0P
Kathmandu, Nepal 48.39 8:08.214:16:50.2P
Honolulu, Hawaii 53.86 8:48.514:17:30.5P
Moscow, Russia 60.65 9:35.614:18:17.6P
Seattle, Washington 60.65 9:35.614:18:17.6P
San Francisco, California 66.9410:16.314:18:58.3P
Bergen, Norway 68.3710:25.214:19:07.2P
Los Angeles, California 71.9510:46.714:19:28.7P
Brisbane, Australia 73.8310:57.714:19:39.7P
Golden, Colorado 75.1711:05.314:19:47.3P
Duluth, Minnesota 75.7411:08.514:19:50.5P
Phoenix, Arizona 76.0111:10.114:19:52.1P
London, England 77.6811:19.314:20:01.3P
Albuquerque, New Mexico 77.8811:20.414:20:02.4P
Wichita, Kansas 80.6211:35.114:20:17.1P
Rome, Italy 81.8511:41.514:20:23.5P
Ottawa, Canada 82.7611:46.114:20:28.1P
St. Louis, Missouri 83.1611:48.214:20:30.2P
Bangor, Maine 85.3011:58.814:20:40.8P
Boston, Massachusetts 86.9512:06.714:20:48.7P
New York, New York 87.5512:09.614:20:51.6P
Knoxville, Tennessee 87.6312:10.014:20:52.0P
Philadephia, Pennsylvania 87.8612:11.014:20:53.0P
Washington, D.C. 88.1812:12.514:20:54.5P
Brownsville, Texas 89.9412:20.714:21:02.7P
Wellington, New Zealand 91.5612:28.214:21:10.2P
Mexico City, Mexico 94.1212:39.914:21:21.9P
Miami, Florida 98.5612:59.814:21:41.8Pdiff
Nairobi, Kenya 101.9413:14.814:21:56.8Pdiff
San Juan, Puerto Rico 110.6113:53.314:22:35.3Pdiff
Lima, Peru 132.2515:29.314:24:11.3Pdiff
Palmer Station, Antarctica 154.2219:10.314:27:52.3PKPdf

Travel Time Information and Calculator

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

 


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