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Earthquake Hazards Program

Magnitude 3.4 SAN JUAN, ARGENTINA

Sunday, July 08, 2007 at 20:20:08 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 21.04 4:32.220:24:40.2P
Palmer Station, Antarctica 35.88 6:45.720:26:53.7P
San Juan, Puerto Rico 50.38 8:42.020:28:50.0P
Miami, Florida 58.40 9:40.020:29:48.0P
Mexico City, Mexico 58.52 9:40.920:29:48.9P
Brownsville, Texas 63.5010:14.520:30:22.5P
Knoxville, Tennessee 69.2210:51.020:30:59.0P
Washington, D.C. 70.9411:01.420:31:09.4P
Philadephia, Pennsylvania 71.8511:06.920:31:14.9P
New York, New York 72.5411:11.020:31:19.0P
St. Louis, Missouri 72.9611:13.520:31:21.5P
Boston, Massachusetts 74.0511:19.820:31:27.8P
Wichita, Kansas 74.1511:20.420:31:28.4P
Albuquerque, New Mexico 75.3211:27.220:31:35.2P
Phoenix, Arizona 76.5011:33.820:31:41.8P
Bangor, Maine 76.5111:33.920:31:41.9P
Ottawa, Canada 77.3211:38.420:31:46.4P
Golden, Colorado 78.7211:46.220:31:54.2P
Los Angeles, California 80.1511:53.920:32:01.9P
Duluth, Minnesota 81.0611:58.720:32:06.7P
San Francisco, California 85.1812:19.820:32:27.8P
Wellington, New Zealand 85.9612:23.720:32:31.7P
Seattle, Washington 92.5012:54.420:33:02.4P
Honolulu, Hawaii 99.6013:26.420:33:34.4Pdiff
London, England 103.0513:41.720:33:49.7Pdiff
Nairobi, Kenya 103.1813:42.320:33:50.3Pdiff
Rome, Italy 105.3113:51.720:33:59.7Pdiff
Brisbane, Australia 108.2214:04.620:34:12.6Pdiff
Bergen, Norway 110.4214:14.420:34:22.4Pdiff
Anchorage, Alaska 113.1614:26.620:34:34.6Pdiff
Moscow, Russia 125.3415:20.720:35:28.6Pdiff
Agana, Guam 143.5416:41.420:36:49.4Pdiff
Tokyo, Japan 155.4319:35.320:39:43.3PKPdf
Kathmandu, Nepal 157.8219:38.420:39:46.4PKPdf
Beijing, China 170.7919:50.120:39:58.1PKPdf

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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