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Earthquake Hazards Program

Magnitude 4.4 CENTRAL MID-ATLANTIC RIDGE

Friday, July 06, 2007 at 19:10:19 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
San Juan, Puerto Rico 27.09 5:42.819:16:01.8P
Miami, Florida 41.68 7:48.619:18:07.6P
Lima, Peru 42.10 7:52.119:18:11.1P
Boston, Massachusetts 43.21 8:01.119:18:20.1P
Bangor, Maine 43.73 8:05.319:18:24.3P
New York, New York 43.87 8:06.419:18:25.4P
Philadephia, Pennsylvania 44.14 8:08.519:18:27.5P
Washington, D.C. 44.75 8:13.419:18:32.4P
Ottawa, Canada 47.76 8:37.119:18:56.1P
Knoxville, Tennessee 49.16 8:47.919:19:06.9P
London, England 53.82 9:22.819:19:41.8P
St. Louis, Missouri 53.92 9:23.519:19:42.5P
Rome, Italy 56.79 9:44.319:20:03.3P
Brownsville, Texas 56.99 9:45.719:20:04.6P
Mexico City, Mexico 58.05 9:53.119:20:12.1P
Duluth, Minnesota 58.23 9:54.419:20:13.4P
Wichita, Kansas 58.99 9:59.719:20:18.7P
Bergen, Norway 61.6910:18.219:20:37.2P
Golden, Colorado 65.4110:42.819:21:01.8P
Albuquerque, New Mexico 65.8910:45.919:21:04.9P
Phoenix, Arizona 70.2511:13.419:21:32.4P
Los Angeles, California 75.4011:44.019:22:03.0P
Moscow, Russia 76.0511:47.619:22:06.6P
Nairobi, Kenya 77.2911:54.719:22:13.7P
Palmer Station, Antarctica 78.1211:59.319:22:18.3P
Seattle, Washington 78.4312:01.019:22:20.0P
San Francisco, California 78.7012:02.519:22:21.5P
Anchorage, Alaska 91.8013:08.019:23:27.0P
Honolulu, Hawaii 112.0214:38.519:24:57.5Pdiff
Kathmandu, Nepal 116.0614:56.419:25:15.4Pdiff
Beijing, China 127.0415:45.119:26:04.1Pdiff
Wellington, New Zealand 135.1816:21.319:26:40.3Pdiff
Tokyo, Japan 135.9416:24.619:26:43.6Pdiff
Agana, Guam 157.5219:55.719:30:14.7PKPdf
Brisbane, Australia 157.5219:55.719:30:14.7PKPdf

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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