Theoretical P-Wave Travel Times

Magnitude 7.3 OFFSHORE EL SALVADOR
Monday, August 27, 2012 at 04:37:23 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 12.45 2:54.4 4:40:17.4Pn
Miami, Florida 15.55 3:35.8 4:40:58.8Pn
Brownsville, Texas 15.97 3:41.1 4:41:04.1Pn
San Juan, Puerto Rico 22.45 4:54.4 4:42:17.4P
Knoxville, Tennessee 23.76 5:07.5 4:42:30.5P
St. Louis, Missouri 26.32 5:30.7 4:42:53.7P
Wichita, Kansas 26.57 5:33.0 4:42:56.0P
Lima, Peru 26.76 5:34.7 4:42:57.7P
Albuquerque, New Mexico 28.01 5:45.9 4:43:08.9P
Washington, D.C. 28.40 5:49.4 4:43:12.4P
Philadelphia, Pennsylvania 29.98 6:03.4 4:43:26.4P
Phoenix, Arizona 30.10 6:04.4 4:43:27.4P
New York, New York 31.07 6:12.9 4:43:35.9P
Golden, Colorado 31.08 6:13.0 4:43:36.0P
Boston, Massachusetts 33.57 6:34.8 4:43:57.8P
Duluth, Minnesota 34.49 6:42.8 4:44:05.8P
Los Angeles, California 34.65 6:44.2 4:44:07.2P
Ottawa, Canada 34.78 6:45.3 4:44:08.3P
Bangor, Maine 36.55 7:00.5 4:44:23.5P
San Francisco, California 39.48 7:25.1 4:44:48.1P
Seattle, Washington 45.27 8:12.1 4:45:35.1P
Anchorage, Alaska 65.7010:38.9 4:48:01.9P
Honolulu, Hawaii 66.5210:44.2 4:48:07.2P
London, England 79.4912:00.9 4:49:23.9P
Bergen, Norway 81.3312:10.8 4:49:33.8P
Palmer Station, Antarctica 81.7712:13.1 4:49:36.1P
Rome, Italy 89.9512:53.5 4:50:16.5P
Moscow, Russia 98.7713:33.6 4:50:56.6Pdiff
Wellington, New Zealand 102.9813:52.3 4:51:15.3Pdiff
Tokyo, Japan 114.0214:41.3 4:52:04.3Pdiff
Brisbane, Australia 120.7315:11.1 4:52:34.1Pdiff
Agana, Guam 121.3115:13.7 4:52:36.7Pdiff
Beijing, China 123.1315:21.7 4:52:44.7Pdiff
Nairobi, Kenya 124.7715:29.0 4:52:52.0Pdiff
Kathmandu, Nepal 139.8216:35.8 4:53:58.8Pdiff

Travel Time Information and Calculator

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