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Earthquake Hazards Program

Magnitude 4.5 SOUTHERN XINJIANG, CHINA

Sunday, July 22, 2007 at 21:28:30 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 11.08 2:35.921:31:05.9Pn
Beijing, China 29.47 6:00.521:34:30.5P
Moscow, Russia 33.07 6:32.221:35:02.2P
Tokyo, Japan 48.36 8:38.121:37:08.1P
Rome, Italy 50.08 8:51.321:37:21.3P
Bergen, Norway 50.43 8:53.921:37:23.9P
Nairobi, Kenya 54.52 9:24.221:37:54.2P
London, England 55.44 9:30.921:38:00.9P
Agana, Guam 62.9710:23.121:38:53.1P
Anchorage, Alaska 74.1811:33.021:40:03.0P
Bangor, Maine 93.1513:10.421:41:40.4P
Seattle, Washington 93.2313:10.721:41:40.7P
Ottawa, Canada 94.5013:16.521:41:46.5P
Brisbane, Australia 94.9013:18.421:41:48.4P
Duluth, Minnesota 95.9413:23.021:41:53.0P
Boston, Massachusetts 96.1013:23.821:41:53.8P
New York, New York 98.4413:34.221:42:04.2Pdiff
Philadephia, Pennsylvania 99.4713:38.821:42:08.8Pdiff
Washington, D.C. 100.9613:45.421:42:15.4Pdiff
Honolulu, Hawaii 101.0813:46.021:42:16.0Pdiff
San Francisco, California 102.8013:53.621:42:23.6Pdiff
Golden, Colorado 103.2513:55.621:42:25.6Pdiff
St. Louis, Missouri 103.7313:57.721:42:27.8Pdiff
Wichita, Kansas 105.2314:04.421:42:34.4Pdiff
Knoxville, Tennessee 105.6014:06.121:42:36.1Pdiff
Los Angeles, California 107.2914:13.521:42:43.5Pdiff
Albuquerque, New Mexico 107.8214:15.921:42:45.9Pdiff
Phoenix, Arizona 108.9114:20.721:42:50.7Pdiff
Miami, Florida 114.2014:44.221:43:14.2Pdiff
San Juan, Puerto Rico 115.3814:49.421:43:19.4Pdiff
Brownsville, Texas 117.0414:56.821:43:26.8Pdiff
Wellington, New Zealand 117.4114:58.521:43:28.5Pdiff
Mexico City, Mexico 123.5615:25.821:43:55.8Pdiff
Palmer Station, Antarctica 143.0816:52.421:45:22.4Pdiff
Lima, Peru 146.8019:35.921:48:05.9PKPdf

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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