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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 5.2 OFFSHORE NORTHERN CALIFORNIA
2007 May 09 07:50:05 UTC

Preliminary Earthquake Report
from the Advanced National Seismic System (ANSS)

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
San Francisco, California 3.29 0:51.7 7:50:56.7Pn
Seattle, Washington 7.67 1:51.8 7:51:56.8Pn
Los Angeles, California 8.31 2:00.6 7:52:05.6Pn
Phoenix, Arizona 12.44 2:57.3 7:53:02.3Pn
Golden, Colorado 15.19 3:34.6 7:53:39.6Pn
Albuquerque, New Mexico 15.47 3:38.3 7:53:43.3Pn
Wichita, Kansas 21.61 4:50.3 7:54:55.3P
Duluth, Minnesota 24.51 5:19.6 7:55:24.6P
Anchorage, Alaska 25.83 5:31.6 7:55:36.6P
St. Louis, Missouri 26.77 5:40.1 7:55:45.1P
Brownsville, Texas 27.05 5:42.6 7:55:47.6P
Mexico City, Mexico 30.44 6:12.8 7:56:17.8P
Knoxville, Tennessee 31.45 6:21.7 7:56:26.7P
Honolulu, Hawaii 33.72 6:41.5 7:56:46.5P
Ottawa, Canada 36.00 7:01.2 7:57:06.2P
Washington, D.C. 36.62 7:06.5 7:57:11.5P
Philadephia, Pennsylvania 37.68 7:15.5 7:57:20.5P
New York, New York 38.31 7:20.8 7:57:25.8P
Miami, Florida 39.87 7:33.8 7:57:38.8P
Boston, Massachusetts 39.96 7:34.6 7:57:39.6P
Bangor, Maine 40.94 7:42.7 7:57:47.7P
San Juan, Puerto Rico 54.69 9:29.3 7:59:34.3P
Lima, Peru 68.5311:02.9 8:01:07.9P
Tokyo, Japan 71.4811:21.0 8:01:26.0P
Bergen, Norway 71.6811:22.2 8:01:27.2P
London, England 76.6611:51.3 8:01:56.3P
Agana, Guam 81.5912:18.3 8:02:23.3P
Beijing, China 82.4512:22.7 8:02:27.7P
Moscow, Russia 83.1212:26.2 8:02:31.2P
Rome, Italy 89.5212:57.6 8:03:02.6P
Wellington, New Zealand 97.9313:36.1 8:03:41.1P
Brisbane, Australia 101.6413:52.5 8:03:57.5Pdiff
Kathmandu, Nepal 106.6414:14.7 8:04:19.7Pdiff
Palmer Station, Antarctica 117.1015:01.2 8:05:06.2Pdiff
Nairobi, Kenya 137.7416:32.8 8:06:37.8Pdiff

 


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