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Earthquake Hazards Program

Magnitude 6.6 SANTA CRUZ ISLANDS

Monday, August 10, 2009 at 04:06:31 UTC

Theoretical P-Wave Travel Times

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
Brisbane, Australia 20.03 4:29.2 4:11:01.2P
Wellington, New Zealand 30.54 6:09.2 4:12:41.2P
Agana, Guam 32.68 6:28.1 4:13:00.1P
Honolulu, Hawaii 48.22 8:36.2 4:15:08.2P
Tokyo, Japan 53.19 9:13.7 4:15:45.7P
Beijing, China 68.8911:00.3 4:17:32.3P
Anchorage, Alaska 80.4312:07.1 4:18:39.1P
San Francisco, California 82.8412:19.8 4:18:51.8P
Los Angeles, California 84.8312:30.0 4:19:02.0P
Seattle, Washington 86.5012:38.3 4:19:10.3P
Kathmandu, Nepal 87.3112:42.2 4:19:14.2P
Phoenix, Arizona 89.6112:53.1 4:19:25.1P
Palmer Station, Antarctica 93.1113:09.2 4:19:41.2P
Albuquerque, New Mexico 94.3613:15.0 4:19:47.0P
Golden, Colorado 96.3313:23.9 4:19:55.9P
Mexico City, Mexico 98.1913:32.2 4:20:04.2P
Brownsville, Texas 100.6813:43.3 4:20:15.3Pdiff
Wichita, Kansas 102.1713:49.9 4:20:21.9Pdiff
Duluth, Minnesota 106.3914:08.6 4:20:40.6Pdiff
St. Louis, Missouri 107.7814:14.8 4:20:46.8Pdiff
Knoxville, Tennessee 111.8514:32.9 4:21:04.9Pdiff
Lima, Peru 113.0414:38.2 4:21:10.2Pdiff
Miami, Florida 116.2214:52.3 4:21:24.3Pdiff
Ottawa, Canada 117.9014:59.7 4:21:31.7Pdiff
Washington, D.C. 118.0715:00.5 4:21:32.5Pdiff
Philadelphia, Pennsylvania 119.3415:06.1 4:21:38.1Pdiff
New York, New York 120.0715:09.4 4:21:41.4Pdiff
Moscow, Russia 120.5915:11.6 4:21:43.6Pdiff
Boston, Massachusetts 121.8615:17.3 4:21:49.3Pdiff
Bangor, Maine 122.8115:21.5 4:21:53.5Pdiff
Nairobi, Kenya 127.9815:44.5 4:22:16.5Pdiff
San Juan, Puerto Rico 129.2415:50.1 4:22:22.1Pdiff
Bergen, Norway 129.2715:50.2 4:22:22.2Pdiff
London, England 138.6716:31.9 4:23:03.9Pdiff
Rome, Italy 142.0216:46.8 4:23:18.8Pdiff

Travel Time Information and Calculator

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


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