Theoretical P-Wave Travel Times

Magnitude 7.1 ECUADOR
Thursday, August 12, 2010 at 11:54:15 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
Lima, Peru 10.76 2:29.211:56:43.2Pn
San Juan, Puerto Rico 22.52 4:43.811:58:57.8P
Miami, Florida 27.01 5:24.311:59:38.3P
Mexico City, Mexico 29.67 5:47.912:00:01.9P
Brownsville, Texas 33.29 6:19.412:00:33.4P
Knoxville, Tennessee 37.73 6:57.212:01:11.2P
Washington, D.C. 39.96 7:15.712:01:29.7P
Philadelphia, Pennsylvania 41.07 7:24.812:01:38.8P
St. Louis, Missouri 41.47 7:28.012:01:42.0P
New York, New York 41.89 7:31.512:01:45.5P
Wichita, Kansas 43.00 7:40.412:01:54.4P
Boston, Massachusetts 43.77 7:46.512:02:00.5P
Albuquerque, New Mexico 45.35 7:59.112:02:13.1P
Bangor, Maine 46.50 8:08.012:02:22.0P
Ottawa, Canada 46.50 8:08.112:02:22.1P
Phoenix, Arizona 47.53 8:16.012:02:30.0P
Golden, Colorado 48.11 8:20.512:02:34.5P
Duluth, Minnesota 49.55 8:31.412:02:45.4P
Los Angeles, California 52.02 8:49.812:03:03.8P
San Francisco, California 56.88 9:24.912:03:38.9P
Seattle, Washington 62.5610:03.612:04:17.6P
Palmer Station, Antarctica 67.0110:32.412:04:46.4P
Honolulu, Hawaii 81.5811:56.512:06:10.5P
Anchorage, Alaska 82.7612:02.612:06:16.6P
London, England 83.0412:04.112:06:18.1P
Bergen, Norway 87.4812:26.012:06:40.0P
Rome, Italy 90.7412:41.312:06:55.2P
Wellington, New Zealand 102.5013:34.212:07:48.2Pdiff
Moscow, Russia 104.9313:45.012:07:59.0Pdiff
Nairobi, Kenya 114.1614:26.012:08:40.0Pdiff
Brisbane, Australia 123.8015:08.812:09:22.8Pdiff
Tokyo, Japan 131.4515:42.712:09:56.7Pdiff
Agana, Guam 136.6016:05.612:10:19.6Pdiff
Beijing, China 139.5416:18.612:10:32.6Pdiff
Kathmandu, Nepal 148.9319:21.612:13:35.6PKPdf

Travel Time Information and Calculator

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