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Earthquake Hazards Program

Magnitude 6.8 NEAR THE WEST COAST OF COLOMBIA

Monday, September 10, 2007 at 01:49:11 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 14.95 3:31.5 1:52:41.5Pn
San Juan, Puerto Rico 19.44 4:26.8 1:53:36.8P
Miami, Florida 22.81 5:03.0 1:54:13.0P
Mexico City, Mexico 26.29 5:35.8 1:54:45.8P
Brownsville, Texas 29.46 6:04.2 1:55:14.2P
Knoxville, Tennessee 33.51 6:39.7 1:55:49.7P
Washington, D.C. 35.83 6:59.7 1:56:09.7P
Philadephia, Pennsylvania 36.97 7:09.5 1:56:19.5P
St. Louis, Missouri 37.26 7:11.9 1:56:21.9P
New York, New York 37.81 7:16.6 1:56:26.6P
Wichita, Kansas 38.89 7:25.7 1:56:35.7P
Boston, Massachusetts 39.75 7:32.9 1:56:42.9P
Albuquerque, New Mexico 41.51 7:47.4 1:56:57.4P
Ottawa, Canada 42.38 7:54.5 1:57:04.5P
Bangor, Maine 42.52 7:55.7 1:57:05.7P
Phoenix, Arizona 43.90 8:06.8 1:57:16.8P
Golden, Colorado 44.12 8:08.6 1:57:18.6P
Duluth, Minnesota 45.33 8:18.3 1:57:28.3P
Los Angeles, California 48.51 8:43.1 1:57:53.1P
San Francisco, California 53.31 9:19.2 1:58:29.2P
Seattle, Washington 58.65 9:57.5 1:59:07.5P
Palmer Station, Antarctica 71.2211:19.4 2:00:29.4P
Anchorage, Alaska 78.7312:02.8 2:01:12.8P
Honolulu, Hawaii 79.3412:06.2 2:01:16.2P
London, England 80.2512:11.1 2:01:21.1P
Bergen, Norway 84.2612:32.1 2:01:42.1P
Rome, Italy 88.5612:53.1 2:02:03.1P
Moscow, Russia 101.8113:53.3 2:03:03.3Pdiff
Wellington, New Zealand 104.7214:06.2 2:03:16.2Pdiff
Nairobi, Kenya 115.0114:51.9 2:04:01.9Pdiff
Brisbane, Australia 125.4315:38.2 2:04:48.2Pdiff
Tokyo, Japan 127.7715:48.6 2:04:58.6Pdiff
Agana, Guam 134.4316:18.1 2:05:28.1Pdiff
Beijing, China 135.3316:22.1 2:05:32.1Pdiff
Kathmandu, Nepal 145.6619:38.2 2:08:48.2PKPdf

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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