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Earthquake Hazards Program

Magnitude 4.4 COLOMBIA

Sunday, July 08, 2007 at 04:29:38 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 14.66 3:23.9 4:33:01.9Pn
Lima, Peru 17.74 4:02.7 4:33:40.7Pn
Miami, Florida 21.65 4:45.3 4:34:23.3P
Mexico City, Mexico 29.39 5:57.4 4:35:35.4P
Brownsville, Texas 31.40 6:15.1 4:35:53.1P
Knoxville, Tennessee 32.66 6:26.2 4:36:04.2P
Washington, D.C. 33.75 6:35.6 4:36:13.6P
Philadephia, Pennsylvania 34.64 6:43.4 4:36:21.4P
New York, New York 35.35 6:49.5 4:36:27.5P
St. Louis, Missouri 36.91 7:02.7 4:36:40.7P
Boston, Massachusetts 36.98 7:03.4 4:36:41.4P
Wichita, Kansas 39.41 7:23.8 4:37:01.8P
Bangor, Maine 39.57 7:25.1 4:37:03.1P
Ottawa, Canada 40.12 7:29.7 4:37:07.7P
Albuquerque, New Mexico 43.16 7:54.5 4:37:32.5P
Duluth, Minnesota 44.66 8:06.5 4:37:44.5P
Golden, Colorado 45.16 8:10.5 4:37:48.5P
Phoenix, Arizona 46.11 8:18.0 4:37:56.0P
Los Angeles, California 50.99 8:55.5 4:38:33.5P
San Francisco, California 55.57 9:29.1 4:39:07.1P
Seattle, Washington 59.88 9:59.4 4:39:37.4P
Palmer Station, Antarctica 73.0811:23.7 4:41:01.7P
London, England 75.0811:35.4 4:41:13.4P
Anchorage, Alaska 79.2911:59.0 4:41:37.0P
Bergen, Norway 79.5712:00.5 4:41:38.5P
Rome, Italy 82.9712:18.5 4:41:56.5P
Honolulu, Hawaii 83.6012:21.8 4:41:59.8P
Moscow, Russia 96.9913:24.8 4:43:02.8P
Nairobi, Kenya 109.5714:20.7 4:43:58.7Pdiff
Wellington, New Zealand 110.2914:23.9 4:44:01.9Pdiff
Tokyo, Japan 129.1915:47.8 4:45:25.8Pdiff
Brisbane, Australia 131.2515:56.9 4:45:34.9Pdiff
Beijing, China 134.3116:10.5 4:45:48.5Pdiff
Agana, Guam 138.4416:28.8 4:46:06.8Pdiff
Kathmandu, Nepal 141.0016:40.2 4:46:18.2Pdiff

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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