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Earthquake Hazards Program

Magnitude 4.5 CENTRAL PERU

Thursday, July 26, 2007 at 16:21:06 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
Lima, Peru 4.12 1:00.416:22:06.4Pn
San Juan, Puerto Rico 33.25 6:31.816:27:37.8P
Miami, Florida 40.26 7:31.316:28:37.3P
Mexico City, Mexico 41.94 7:45.116:28:51.1P
Brownsville, Texas 46.25 8:19.516:29:25.5P
Knoxville, Tennessee 51.10 8:56.816:30:02.8P
Washington, D.C. 52.92 9:10.316:30:16.3P
Palmer Station, Antarctica 53.88 9:17.416:30:23.4P
Philadephia, Pennsylvania 53.89 9:17.516:30:23.5P
New York, New York 54.63 9:22.816:30:28.8P
St. Louis, Missouri 54.90 9:24.816:30:30.8P
Boston, Massachusetts 56.28 9:34.716:30:40.7P
Wichita, Kansas 56.36 9:35.316:30:41.3P
Albuquerque, New Mexico 58.27 9:48.816:30:54.8P
Bangor, Maine 58.86 9:52.916:30:58.9P
Ottawa, Canada 59.36 9:56.416:31:02.4P
Phoenix, Arizona 60.0410:01.016:31:07.0P
Golden, Colorado 61.2910:09.616:31:15.6P
Duluth, Minnesota 62.9610:20.816:31:26.8P
Los Angeles, California 64.2010:29.016:31:35.0P
San Francisco, California 69.1811:00.716:32:06.7P
Seattle, Washington 75.5411:38.616:32:44.6P
Honolulu, Hawaii 90.0212:53.516:33:59.5P
London, England 90.8812:57.516:34:03.5P
Anchorage, Alaska 95.9513:20.716:34:26.7P
Rome, Italy 96.3313:22.416:34:28.4P
Wellington, New Zealand 96.4013:22.716:34:28.7P
Bergen, Norway 96.7413:24.216:34:30.2P
Nairobi, Kenya 109.2614:19.916:35:25.9Pdiff
Moscow, Russia 113.4814:38.616:35:44.6Pdiff
Brisbane, Australia 118.8315:02.316:36:08.3Pdiff
Agana, Guam 142.9816:49.516:37:55.5Pdiff
Tokyo, Japan 143.3916:51.416:37:57.4Pdiff
Beijing, China 152.9719:43.016:40:49.0PKPdf
Kathmandu, Nepal 156.0619:47.316:40:53.3PKPdf

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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