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Earthquake Hazards Program

Theoretical P-Wave Travel Times

Magnitude 7.1 NEW BRITAIN REGION, P.N.G.
1999 May 16 00:51:20 UTC

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

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
Agana, Guam 19.66 4:22.8 0:55:42.8 P
Brisbane, Australia 22.63 4:54.6 0:56:14.6 P
Wellington, New Zealand 41.49 7:39.6 0:58:59.6 P
Tokyo, Japan 41.94 7:43.2 0:59:03.2 P
Honolulu, Hawaii 55.14 9:24.6 1:00:44.6 P
Beijing, China 55.45 9:26.8 1:00:46.8 P
Kathmandu, Nepal 72.25 11:17.3 1:02:37.3 P
Anchorage, Alaska 79.26 11:57.2 1:03:17.2 P
San Francisco, California 89.01 12:46.6 1:04:06.6 P
Seattle, Washington 90.26 12:52.4 1:04:12.4 P
Los Angeles, California 92.02 13:00.6 1:04:20.6 P
Albuquerque, New Mexico 101.62 13:43.8 1:05:03.8 Pdiff
Golden, Colorado 102.49 13:47.6 1:05:07.6 Pdiff
Palmer Station, Antarctica 103.22 13:50.9 1:05:10.9 Pdiff
Moscow, Russia 107.70 14:10.8 1:05:30.8 Pdiff
Wichita, Kansas 108.82 14:15.8 1:05:35.8 Pdiff
Mexico City, Mexico 108.86 14:15.9 1:05:35.9 Pdiff
Brownsville, Texas 110.06 14:21.2 1:05:41.2 Pdiff
Duluth, Minnesota 110.68 14:24.0 1:05:44.0 Pdiff
St. Louis, Missouri 114.12 14:39.3 1:05:59.3 Pdiff
Nairobi, Kenya 115.44 14:45.1 1:06:05.1 Pdiff
Knoxville, Tennessee 118.74 14:59.8 1:06:19.8 Pdiff
Bergen, Norway 119.17 15:01.7 1:06:21.7 Pdiff
Ottawa, Canada 121.75 15:13.2 1:06:33.2 Pdiff
Washington, D.C. 123.80 15:22.2 1:06:42.2 Pdiff
Philadephia, Pennsylvania 124.66 15:26.1 1:06:46.1 Pdiff
New York, New York 125.10 15:28.0 1:06:48.0 Pdiff
Miami, Florida 125.49 15:29.7 1:06:49.7 Pdiff
Boston, Massachusetts 126.20 15:32.9 1:06:52.9 Pdiff
Bangor, Maine 126.24 15:33.1 1:06:53.1 Pdiff
Lima, Peru 127.99 15:40.8 1:07:00.8 Pdiff
London, England 128.14 15:41.5 1:07:01.5 Pdiff
Rome, Italy 128.66 15:43.8 1:07:03.8 Pdiff
San Juan, Puerto Rico 139.90 16:33.7 1:07:53.7 Pdiff

 


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