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Earthquake Hazards Program

Magnitude 6.1 AMAZONAS, BRAZIL

Saturday, July 21, 2007 at 13:27:03 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
Lima, Peru 7.12 1:52.513:28:55.4P
San Juan, Puerto Rico 26.75 4:51.813:31:54.8P
Miami, Florida 34.67 5:59.113:33:02.1P
Mexico City, Mexico 38.78 6:32.513:33:35.5P
Brownsville, Texas 42.32 7:00.413:34:03.4P
Knoxville, Tennessee 45.64 7:25.913:34:28.9P
Washington, D.C. 46.95 7:35.713:34:38.7P
Philadephia, Pennsylvania 47.83 7:42.213:34:45.2P
New York, New York 48.52 7:47.313:34:50.3P
St. Louis, Missouri 49.70 7:56.013:34:59.0P
Boston, Massachusetts 50.06 7:58.613:35:01.6P
Wichita, Kansas 51.67 8:10.213:35:13.2P
Bangor, Maine 52.57 8:16.613:35:19.6P
Ottawa, Canada 53.30 8:21.813:35:24.8P
Albuquerque, New Mexico 54.38 8:29.313:35:32.3P
Phoenix, Arizona 56.64 8:44.913:35:47.9P
Golden, Colorado 56.99 8:47.313:35:50.3P
Duluth, Minnesota 57.61 8:51.513:35:54.5P
Palmer Station, Antarctica 59.90 9:06.813:36:09.8P
Los Angeles, California 61.13 9:14.813:36:17.8P
San Francisco, California 66.00 9:45.713:36:48.7P
Seattle, Washington 71.5310:18.813:37:21.8P
London, England 84.5911:28.313:38:31.3P
Honolulu, Hawaii 89.8111:52.713:38:55.7P
Bergen, Norway 90.2611:54.813:38:57.8P
Rome, Italy 90.5511:56.113:38:59.1P
Anchorage, Alaska 91.5612:00.813:39:03.8P
Wellington, New Zealand 102.3612:49.013:39:52.0Pdiff
Moscow, Russia 107.1313:10.213:40:13.2Pdiff
Nairobi, Kenya 107.6013:12.313:40:15.3Pdiff
Brisbane, Australia 124.6214:27.813:41:30.8Pdiff
Tokyo, Japan 140.5615:38.613:42:41.6Pdiff
Agana, Guam 144.3515:55.413:42:58.4Pdiff
Beijing, China 147.4918:30.113:45:33.1PKPdf
Kathmandu, Nepal 150.3218:34.513:45:37.5PKPdf

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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