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Earthquake Hazards Program

Magnitude 4.2 ARMENIA

Tuesday, July 24, 2007 at 19:31:25 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
Moscow, Russia 15.12 3:33.719:34:58.7Pn
Rome, Italy 23.22 5:07.219:36:32.2P
Bergen, Norway 30.29 6:11.319:37:36.3P
London, England 31.50 6:22.019:37:47.0P
Kathmandu, Nepal 36.61 7:06.319:38:31.2P
Nairobi, Kenya 42.66 7:56.619:39:21.6P
Beijing, China 53.84 9:23.019:40:48.0P
Tokyo, Japan 71.6911:22.119:42:47.1P
Bangor, Maine 75.1811:42.719:43:07.7P
Anchorage, Alaska 77.4211:55.419:43:20.4P
Boston, Massachusetts 78.1111:59.219:43:24.2P
Ottawa, Canada 78.1811:59.619:43:24.6P
New York, New York 80.8012:13.919:43:38.9P
Philadephia, Pennsylvania 81.9612:20.019:43:45.0P
Washington, D.C. 83.7112:29.119:43:54.1P
Duluth, Minnesota 84.0412:30.819:43:55.8P
Agana, Guam 89.4812:57.219:44:22.2P
Knoxville, Tennessee 90.0312:59.819:44:24.8P
St. Louis, Missouri 90.1013:00.119:44:25.1P
Seattle, Washington 90.5713:02.319:44:27.3P
San Juan, Puerto Rico 92.0213:09.019:44:34.0P
Wichita, Kansas 93.7313:16.919:44:41.9P
Golden, Colorado 94.6313:21.019:44:46.0P
Miami, Florida 95.4613:24.819:44:49.8P
Albuquerque, New Mexico 99.3613:42.319:45:07.3Pdiff
San Francisco, California 100.4313:47.019:45:12.0Pdiff
Phoenix, Arizona 102.4713:56.019:45:21.0Pdiff
Los Angeles, California 103.3313:59.919:45:24.9Pdiff
Brownsville, Texas 104.1614:03.619:45:28.6Pdiff
Mexico City, Mexico 110.5414:31.919:45:56.9Pdiff
Honolulu, Hawaii 114.7714:50.619:46:15.6Pdiff
Lima, Peru 120.8515:17.619:46:42.6Pdiff
Brisbane, Australia 121.6115:21.019:46:46.0Pdiff
Palmer Station, Antarctica 133.8716:15.419:47:40.4Pdiff
Wellington, New Zealand 143.6916:59.019:48:24.0Pdiff

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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