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Earthquake Hazards Program

Magnitude 6.7 HOKKAIDO, JAPAN REGION

2003 October 08 09:06:55 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

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 7.85 1:51.8 9:08:46.8Pn
Beijing, China 21.20 4:42.7 9:11:37.8P
Agana, Guam 29.05 5:57.1 9:12:52.1P
Anchorage, Alaska 42.47 7:51.7 9:14:46.7P
Kathmandu, Nepal 49.64 8:48.2 9:15:43.2P
Honolulu, Hawaii 52.30 9:08.2 9:16:03.2P
Seattle, Washington 61.9510:16.5 9:17:11.5P
Moscow, Russia 64.1510:31.1 9:17:26.1P
San Francisco, California 67.6910:53.9 9:17:48.9P
Brisbane, Australia 70.2011:09.6 9:18:04.6P
Bergen, Norway 72.0511:20.8 9:18:15.8P
Los Angeles, California 72.6611:24.4 9:18:19.4P
Golden, Colorado 76.6011:47.2 9:18:42.2P
Duluth, Minnesota 77.8511:54.2 9:18:49.2P
Albuquerque, New Mexico 79.0612:00.9 9:18:55.9P
London, England 81.3612:13.3 9:19:08.3P
Wichita, Kansas 82.2512:18.0 9:19:13.0P
St. Louis, Missouri 85.0812:32.4 9:19:27.4P
Ottawa, Canada 85.3212:33.7 9:19:28.7P
Rome, Italy 85.4112:34.1 9:19:29.1P
Wellington, New Zealand 87.8812:46.1 9:19:41.1P
Bangor, Maine 88.0512:46.9 9:19:41.9P
Boston, Massachusetts 89.5912:54.2 9:19:49.2P
Knoxville, Tennessee 89.6412:54.4 9:19:49.4P
New York, New York 90.0612:56.4 9:19:51.4P
Philadephia, Pennsylvania 90.3312:57.6 9:19:52.6P
Washington, D.C. 90.5512:58.7 9:19:53.7P
Brownsville, Texas 91.1213:01.3 9:19:56.3P
Mexico City, Mexico 94.9713:19.0 9:20:14.0P
Miami, Florida 100.4913:43.6 9:20:38.6Pdiff
Nairobi, Kenya 103.8013:58.3 9:20:53.3Pdiff
San Juan, Puerto Rico 112.9914:39.1 9:21:34.1Pdiff
Lima, Peru 132.9316:07.7 9:23:02.7Pdiff
Palmer Station, Antarctica 150.5419:42.2 9:26:37.2PKPdf


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