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Earthquake Hazards Program

Magnitude 4.0 WESTERN XIZANG

Thursday, July 12, 2007 at 17:21:17 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
Kathmandu, Nepal 7.92 1:55.217:23:12.2Pn
Beijing, China 28.85 5:58.517:27:15.5P
Moscow, Russia 36.17 7:02.417:28:19.4P
Tokyo, Japan 47.70 8:36.617:29:53.6P
Rome, Italy 52.78 9:15.217:30:32.2P
Bergen, Norway 53.56 9:20.917:30:37.9P
Nairobi, Kenya 54.36 9:26.817:30:43.8P
London, England 58.46 9:56.017:31:13.0P
Agana, Guam 61.2210:15.017:31:32.0P
Anchorage, Alaska 76.0911:47.917:33:04.9P
Brisbane, Australia 92.1213:09.517:34:26.5P
Seattle, Washington 95.4613:24.817:34:41.8P
Bangor, Maine 96.2813:28.517:34:45.5P
Ottawa, Canada 97.5713:34.317:34:51.3P
Duluth, Minnesota 98.8013:39.817:34:56.8Pdiff
Boston, Massachusetts 99.2213:41.617:34:58.6Pdiff
Honolulu, Hawaii 101.4213:51.417:35:08.4Pdiff
New York, New York 101.5413:51.917:35:08.9Pdiff
Philadephia, Pennsylvania 102.5713:56.517:35:13.5Pdiff
Washington, D.C. 104.0514:03.117:35:20.1Pdiff
San Francisco, California 104.9014:06.917:35:23.9Pdiff
Golden, Colorado 105.8614:11.117:35:28.1Pdiff
St. Louis, Missouri 106.6514:14.617:35:31.6Pdiff
Wichita, Kansas 108.0214:20.717:35:37.7Pdiff
Knoxville, Tennessee 108.6214:23.317:35:40.3Pdiff
Los Angeles, California 109.4814:27.217:35:44.2Pdiff
Albuquerque, New Mexico 110.3814:31.217:35:48.2Pdiff
Phoenix, Arizona 111.3014:35.317:35:52.3Pdiff
Wellington, New Zealand 114.5714:49.817:36:06.8Pdiff
Miami, Florida 117.3115:01.917:36:18.9Pdiff
San Juan, Puerto Rico 118.5215:07.317:36:24.3Pdiff
Brownsville, Texas 119.8415:13.217:36:30.2Pdiff
Mexico City, Mexico 126.3215:41.917:36:58.9Pdiff
Palmer Station, Antarctica 141.1316:47.717:38:04.7Pdiff
Lima, Peru 149.8219:44.817:41:01.8PKPdf

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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