M 7.0 - 56 km SSW of Adak, Alaska

1971-02-07 02:29:30 (UTC)
51.409°N 176.974°W
28.9 km depth

ShakeMap

Contributed by

last updated 2020-07-09 23:43:05 (UTC)

The data below are the most preferred data available
The data below have NOT been reviewed by a scientist.

Version 1

Processing

Output

Ground Motion/Intensity Information
Type	Max Value in Grid	Max Value on Land	Bias
SA(0.3 s)	0.574 g	0.574 g	-
PGA	0.231 g	0.231 g	-
PGV	2.913 cms	2.913 cms	-
SA(3.0 s)	0.03 g	0.03 g	-
SA(1.0 s)	0.197 g	0.197 g	-
Intensity	6.498 intensity	6.498 intensity	-

Map Information
Type	Latitude	Longitude
Number of points	503	801
Grid spacing	0.0083333 degrees	0.0083333 degrees
Span	4.183 degrees	6.667 degrees
Min	49.267 degrees	-180.15 degrees
Max	53.45 degrees	-173.483 degrees

Input

Ground Motion Models