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Earthquake Hazards Program

Magnitude 6.1 VIRGIN ISLANDS REGION

2008 October 11 10:40:16 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
San Juan, Puerto Rico 1.47 0:24.810:40:40.8Pn
Miami, Florida 15.58 3:37.810:43:53.8Pn
Washington, D.C. 22.22 4:54.510:45:10.5P
Philadephia, Pennsylvania 22.44 4:56.810:45:12.8P
New York, New York 22.76 5:00.310:45:16.3P
Boston, Massachusetts 23.58 5:08.710:45:24.7P
Knoxville, Tennessee 24.42 5:16.410:45:32.4P
Bangor, Maine 25.66 5:27.610:45:43.6P
Ottawa, Canada 27.58 5:45.010:46:01.0P
St. Louis, Missouri 29.30 6:00.210:46:16.2P
Brownsville, Texas 30.82 6:13.710:46:29.7P
Mexico City, Mexico 32.37 6:27.310:46:43.3P
Lima, Peru 33.42 6:36.510:46:52.5P
Wichita, Kansas 33.75 6:39.310:46:55.3P
Duluth, Minnesota 35.38 6:53.410:47:09.4P
Albuquerque, New Mexico 40.07 7:33.010:47:49.0P
Golden, Colorado 40.19 7:34.010:47:50.0P
Phoenix, Arizona 44.26 8:07.110:48:23.1P
Los Angeles, California 49.43 8:47.610:49:03.6P
San Francisco, California 53.03 9:14.610:49:30.6P
Seattle, Washington 54.22 9:23.310:49:39.3P
London, England 59.4110:00.210:50:16.2P
Bergen, Norway 63.6410:28.810:50:44.8P
Rome, Italy 68.1010:57.510:51:13.5P
Anchorage, Alaska 70.9511:15.110:51:31.1P
Moscow, Russia 81.1012:12.910:52:28.9P
Honolulu, Hawaii 85.8512:37.310:52:53.3P
Palmer Station, Antarctica 86.7912:42.010:52:58.0P
Nairobi, Kenya 101.4313:48.910:54:04.9Pdiff
Tokyo, Japan 120.6015:14.010:55:30.0Pdiff
Beijing, China 121.1115:16.310:55:32.2Pdiff
Kathmandu, Nepal 125.0815:33.910:55:49.9Pdiff
Wellington, New Zealand 125.1615:34.210:55:50.2Pdiff
Agana, Guam 136.3316:23.810:56:39.8Pdiff
Brisbane, Australia 144.4416:59.810:57:15.8Pdiff

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


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