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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 5.9 Afghanistan-Tajikistan Border Region
1998 February 04 14:33:21 UTC

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

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 15.89 3:41.114:37:02.1Pn
Moscow, Russia 28.72 5:54.214:39:15.2P
Beijing, China 36.08 6:58.514:40:19.5P
Rome, Italy 44.00 8:04.114:41:25.1P
Bergen, Norway 46.34 8:22.714:41:43.7P
Nairobi, Kenya 49.05 8:43.714:42:04.7P
London, England 50.40 8:54.014:42:15.0P
Tokyo, Japan 54.93 9:27.514:42:48.5P
Agana, Guam 69.8411:07.314:44:28.3P
Anchorage, Alaska 76.7911:48.314:45:09.3P
Bangor, Maine 90.4312:58.114:46:19.1P
Ottawa, Canada 92.2913:06.714:46:27.7P
Boston, Massachusetts 93.4113:11.814:46:32.8P
Seattle, Washington 94.7913:18.214:46:39.2P
Duluth, Minnesota 95.0613:19.414:46:40.4P
New York, New York 95.8913:23.114:46:44.1P
Philadephia, Pennsylvania 96.9713:28.014:46:49.0P
Washington, D.C. 98.5713:35.114:46:56.1Pdiff
Brisbane, Australia 100.8413:45.214:47:06.2Pdiff
St. Louis, Missouri 102.4913:52.514:47:13.5Pdiff
Golden, Colorado 103.4413:56.814:47:17.8Pdiff
Knoxville, Tennessee 103.8113:58.414:47:19.4Pdiff
Wichita, Kansas 104.6414:02.114:47:23.1Pdiff
San Francisco, California 104.6514:02.114:47:23.1Pdiff
Honolulu, Hawaii 106.4414:10.114:47:31.1Pdiff
Albuquerque, New Mexico 108.1614:17.714:47:38.7Pdiff
Los Angeles, California 108.8314:20.714:47:41.7Pdiff
San Juan, Puerto Rico 111.0414:30.514:47:51.5Pdiff
Miami, Florida 111.5214:32.614:47:53.6Pdiff
Brownsville, Texas 116.2914:53.814:48:14.8Pdiff
Mexico City, Mexico 122.9215:23.214:48:44.2Pdiff
Wellington, New Zealand 123.1915:24.414:48:45.4Pdiff
Palmer Station, Antarctica 140.0816:39.414:50:00.4Pdiff
Lima, Peru 141.4516:45.514:50:06.5Pdiff

 


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