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Earthquake Hazards Program

Magnitude 4.7 XINJIANG-XIZANG BORDER REGION

Friday, March 21, 2008 at 04:52:33 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 8.32 2:00.7 4:54:34.7Pn
Beijing, China 27.85 5:49.7 4:58:23.7P
Moscow, Russia 36.03 7:01.3 4:59:35.3P
Tokyo, Japan 46.72 8:29.0 5:01:03.0P
Rome, Italy 53.02 9:16.9 5:01:50.9P
Bergen, Norway 53.34 9:19.3 5:01:53.3P
Nairobi, Kenya 55.44 9:34.6 5:02:08.6P
London, England 58.43 9:55.8 5:02:29.8P
Agana, Guam 60.5310:10.3 5:02:44.3P
Anchorage, Alaska 75.0311:41.8 5:04:15.8P
Brisbane, Australia 91.9413:08.7 5:05:42.7P
Seattle, Washington 94.4613:20.2 5:05:54.2P
Bangor, Maine 95.7613:26.2 5:06:00.2P
Ottawa, Canada 96.9713:31.6 5:06:05.6P
Duluth, Minnesota 98.0313:36.3 5:06:10.3P
Boston, Massachusetts 98.6913:39.3 5:06:13.3Pdiff
Honolulu, Hawaii 100.3313:46.5 5:06:20.6Pdiff
New York, New York 100.9913:49.5 5:06:23.5Pdiff
Philadephia, Pennsylvania 102.0113:54.0 5:06:28.0Pdiff
Washington, D.C. 103.4714:00.5 5:06:34.5Pdiff
San Francisco, California 103.8714:02.3 5:06:36.3Pdiff
Golden, Colorado 104.9614:07.1 5:06:41.1Pdiff
St. Louis, Missouri 105.9114:11.3 5:06:45.3Pdiff
Wichita, Kansas 107.1914:17.0 5:06:51.0Pdiff
Knoxville, Tennessee 107.9514:20.4 5:06:54.4Pdiff
Los Angeles, California 108.4614:22.7 5:06:56.7Pdiff
Albuquerque, New Mexico 109.4614:27.1 5:07:01.1Pdiff
Phoenix, Arizona 110.3314:30.9 5:07:04.9Pdiff
Wellington, New Zealand 114.4314:49.1 5:07:23.1Pdiff
Miami, Florida 116.7614:59.5 5:07:33.5Pdiff
San Juan, Puerto Rico 118.2715:06.2 5:07:40.2Pdiff
Brownsville, Texas 119.0315:09.5 5:07:43.5Pdiff
Mexico City, Mexico 125.4815:38.2 5:08:12.2Pdiff
Palmer Station, Antarctica 142.1816:52.3 5:09:26.3Pdiff
Lima, Peru 149.7819:44.7 5:12:18.7PKPdf

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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