4
Recorded earthquakes
region
1981
off the coast of Oregon earthquakes in 1981
Earthquake archive for off the coast of Oregon in 1981: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
12.5 km
Average depth
Strongest event
4.6
20 Jan 1981
off the coast of Oregon, Unknown
Depth
15.0 km
UTC
10:32:15
Coordinates
44.112, -129.192
Analysis of the recorded activity
During 1981, 4 earthquakes were recorded near off the coast of Oregon. Magnitudes ranged from 4.0 to 4.6, with an average of 4.4; depths ranged from 10.0 to 15.0 km, averaging 12.5 km. Activity extended from Tuesday, January 20, 1981 to Monday, April 20, 1981 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
15.0 km
off the coast of Oregon, Unknown
20 Jan 1981 10:32:15 UTC
4.5
10.0 km
off the coast of Oregon, Unknown
20 Apr 1981 08:51:49 UTC
4.5
10.0 km
off the coast of Oregon, Unknown
19 Apr 1981 18:32:28 UTC
4.0
15.0 km
off the coast of Oregon, Unknown
03 Feb 1981 04:19:21 UTC