Theoretical P-Wave Travel Times

Magnitude 4.7 CHIAPAS, MEXICO
Saturday, February 09, 2013 at 00:02:32 UTC

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
Mexico City, Mexico 7.61 1:48.121:07:59.1Pn
Brownsville, Texas 11.74 2:44.121:08:55.1Pn
Miami, Florida 15.84 3:37.021:09:48.0Pn
Knoxville, Tennessee 21.90 4:44.721:10:55.7P
Wichita, Kansas 23.04 4:56.321:11:07.3P
Albuquerque, New Mexico 23.61 5:01.521:11:12.5P
St. Louis, Missouri 23.66 5:01.921:11:12.9P
Phoenix, Arizona 25.42 5:17.921:11:28.9P
San Juan, Puerto Rico 25.63 5:19.821:11:30.8P
Golden, Colorado 26.98 5:32.021:11:43.0P
Washington, D.C. 27.48 5:36.521:11:47.5P
Philadelphia, Pennsylvania 29.18 5:51.621:12:02.6P
Los Angeles, California 29.88 5:57.721:12:08.7P
New York, New York 30.32 6:01.721:12:12.7P
Lima, Peru 31.05 6:08.121:12:19.1P
Duluth, Minnesota 31.64 6:13.321:12:24.3P
Boston, Massachusetts 32.96 6:24.821:12:35.8P
Ottawa, Canada 33.51 6:29.521:12:40.5P
San Francisco, California 34.74 6:40.121:12:51.1P
Bangor, Maine 35.93 6:50.321:13:01.3P
Seattle, Washington 40.87 7:31.621:13:42.6P
Anchorage, Alaska 61.4310:05.421:16:16.4P
Honolulu, Hawaii 61.8810:08.421:16:19.4P
London, England 79.9511:57.721:18:08.7P
Bergen, Norway 80.9912:03.321:18:14.3P
Palmer Station, Antarctica 85.1312:24.621:18:35.6P
Rome, Italy 91.0112:52.521:19:03.5P
Moscow, Russia 98.1413:25.021:19:36.0Pdiff
Wellington, New Zealand 101.6313:40.521:19:51.5Pdiff
Tokyo, Japan 109.3114:14.521:20:25.5Pdiff
Agana, Guam 116.5414:46.621:20:57.6Pdiff
Brisbane, Australia 118.1614:53.821:21:04.8Pdiff
Beijing, China 119.0114:57.621:21:08.6Pdiff
Nairobi, Kenya 128.3315:38.921:21:49.9Pdiff
Kathmandu, Nepal 137.5116:19.721:22:30.7Pdiff

Travel Time Information and Calculator

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