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Earthquake Hazards Program

Magnitude 4.2 ANDREANOF ISLANDS, ALEUTIAN IS.

Friday, May 02, 2008 at 07:36:06 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
Anchorage, Alaska 17.83 4:08.2 7:40:15.2Pn
Honolulu, Hawaii 33.91 6:43.0 7:42:50.0P
Tokyo, Japan 34.31 6:46.5 7:42:53.5P
Seattle, Washington 35.11 6:53.4 7:43:00.4P
San Francisco, California 40.51 7:38.9 7:43:45.9P
Los Angeles, California 45.49 8:19.3 7:44:26.3P
Beijing, China 46.08 8:24.0 7:44:31.0P
Agana, Guam 48.73 8:44.6 7:44:51.6P
Phoenix, Arizona 49.73 8:52.2 7:44:59.2P
Golden, Colorado 49.84 8:53.1 7:45:00.1P
Albuquerque, New Mexico 51.99 9:09.3 7:45:16.3P
Duluth, Minnesota 52.88 9:15.9 7:45:22.9P
Wichita, Kansas 55.80 9:37.2 7:45:44.2P
St. Louis, Missouri 59.2810:01.7 7:46:08.7P
Ottawa, Canada 62.2010:21.7 7:46:28.7P
Brownsville, Texas 64.0210:33.7 7:46:40.7P
Knoxville, Tennessee 64.0610:34.0 7:46:41.0P
Bangor, Maine 65.9510:46.3 7:46:53.3P
Washington, D.C. 66.3210:48.7 7:46:55.7P
Philadephia, Pennsylvania 66.5010:49.9 7:46:56.9P
New York, New York 66.5210:50.0 7:46:57.0P
Boston, Massachusetts 66.7410:51.4 7:46:58.4P
Mexico City, Mexico 67.7710:57.9 7:47:04.9P
Bergen, Norway 68.3011:01.2 7:47:08.2P
Moscow, Russia 69.0811:06.1 7:47:13.1P
Kathmandu, Nepal 73.0411:30.1 7:47:37.1P
Miami, Florida 74.4911:38.6 7:47:45.6P
London, England 77.2011:54.1 7:48:01.1P
Brisbane, Australia 82.9912:25.4 7:48:32.4P
Rome, Italy 86.4512:42.8 7:48:49.8P
San Juan, Puerto Rico 88.1712:51.1 7:48:58.1P
Wellington, New Zealand 92.8013:12.7 7:49:19.7P
Lima, Peru 105.8114:10.9 7:50:17.9Pdiff
Nairobi, Kenya 122.1615:23.4 7:51:30.4Pdiff
Palmer Station, Antarctica 144.8317:04.1 7:53:11.1Pdiff

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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