Theoretical P-Wave Travel Times

Magnitude 4.4 ANTOFAGASTA, CHILE
Sunday, January 20, 2013 at 09:55:46 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 13.62 3:09.319:23:51.3Pn
San Juan, Puerto Rico 41.85 7:41.119:28:23.1P
Palmer Station, Antarctica 44.36 8:01.319:28:43.3P
Miami, Florida 50.15 8:46.219:29:28.2P
Mexico City, Mexico 51.75 8:58.319:29:40.3P
Brownsville, Texas 56.27 9:31.219:30:13.2P
Knoxville, Tennessee 61.0610:04.419:30:46.4P
Washington, D.C. 62.5210:14.319:30:56.2P
Philadelphia, Pennsylvania 63.3910:20.019:31:02.0P
New York, New York 64.0610:24.419:31:06.4P
St. Louis, Missouri 64.9410:30.219:31:12.2P
Boston, Massachusetts 65.5510:34.119:31:16.1P
Wichita, Kansas 66.4710:40.019:31:22.0P
Bangor, Maine 67.9910:49.619:31:31.6P
Albuquerque, New Mexico 68.2610:51.319:31:33.3P
Ottawa, Canada 68.8610:55.119:31:37.1P
Phoenix, Arizona 69.8611:01.219:31:43.2P
Golden, Colorado 71.3711:10.419:31:52.4P
Duluth, Minnesota 72.9711:19.919:32:01.9P
Los Angeles, California 73.8611:25.219:32:07.2P
San Francisco, California 78.8711:53.519:32:35.5P
Seattle, Washington 85.5312:28.219:33:10.2P
Wellington, New Zealand 92.4713:00.919:33:42.9P
London, England 95.9813:16.919:33:58.9P
Honolulu, Hawaii 97.1013:22.019:34:04.0P
Rome, Italy 99.4713:32.519:34:14.5Pdiff
Bergen, Norway 102.8613:47.619:34:29.6Pdiff
Nairobi, Kenya 104.1213:53.219:34:35.2Pdiff
Anchorage, Alaska 106.0114:01.619:34:43.6Pdiff
Brisbane, Australia 114.9714:41.319:35:23.3Pdiff
Moscow, Russia 118.5514:57.219:35:39.2Pdiff
Agana, Guam 146.4019:29.719:40:11.7PKPdf
Tokyo, Japan 152.2119:39.219:40:21.2PKPdf
Kathmandu, Nepal 156.6319:45.619:40:27.6PKPdf
Beijing, China 162.9919:53.219:40:35.2PKPdf

Travel Time Information and Calculator

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