Theoretical P-Wave Travel Times

Magnitude 3.8 ILLINOIS
Wednesday, February 10, 2010 at 09:59:35 UTC

Theoretical P-wave Travel Times

Theoretical P-wave Travel Times

These maps show 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
St. Louis, Missouri 3.54 0:55.610:00:29.6Pn
Duluth, Minnesota 5.41 1:21.310:00:55.3Pn
Knoxville, Tennessee 6.59 1:37.510:01:11.5Pn
Wichita, Kansas 7.92 1:55.810:01:29.8Pn
Washington, D.C. 9.34 2:15.210:01:49.2Pn
Ottawa, Canada 9.94 2:23.510:01:57.5Pn
Philadelphia, Pennsylvania 10.36 2:29.310:02:03.3Pn
New York, New York 11.05 2:38.610:02:12.6Pn
Golden, Colorado 12.77 3:02.110:02:36.1Pn
Boston, Massachusetts 13.01 3:05.410:02:39.4Pn
Bangor, Maine 14.69 3:28.410:03:02.4Pn
Albuquerque, New Mexico 15.69 3:41.710:03:15.7Pn
Miami, Florida 17.60 4:06.010:03:40.0Pn
Brownsville, Texas 17.64 4:06.410:03:40.4Pn
Phoenix, Arizona 20.38 4:37.610:04:11.6P
Mexico City, Mexico 24.22 5:17.510:04:51.5P
Seattle, Washington 24.46 5:19.710:04:53.7P
Los Angeles, California 24.57 5:20.810:04:54.8P
San Francisco, California 26.19 5:35.510:05:09.5P
San Juan, Puerto Rico 30.24 6:11.610:05:45.6P
Anchorage, Alaska 40.85 7:42.610:07:16.6P
Lima, Peru 54.84 9:31.110:09:05.1P
Bergen, Norway 56.43 9:42.510:09:16.5P
London, England 57.80 9:52.210:09:26.2P
Honolulu, Hawaii 60.8410:13.210:09:47.2P
Rome, Italy 70.3711:14.910:10:48.9P
Moscow, Russia 72.5511:28.010:11:02.0P
Tokyo, Japan 90.9613:05.010:12:39.0P
Beijing, China 95.3813:25.310:12:59.3P
Agana, Guam 106.1914:13.410:13:47.4Pdiff
Kathmandu, Nepal 110.4514:32.310:14:06.3Pdiff
Palmer Station, Antarctica 110.9814:34.710:14:08.7Pdiff
Nairobi, Kenya 116.5514:59.410:14:33.4Pdiff
Wellington, New Zealand 120.1815:15.510:14:49.5Pdiff
Brisbane, Australia 128.3915:52.010:15:26.0Pdiff

Travel Time Information and Calculator

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