5
Recorded earthquakes
city
1981
Foster City earthquakes in 1981
Earthquake archive for Foster City in 1981: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.4
Average magnitude
9.8 km
Average depth
Strongest event
4.8
15 Jan 1981
San Jose, United States
Depth
8.9 km
UTC
12:47:51
Coordinates
37.375, -121.729
Analysis of the recorded activity
During 1981, 5 earthquakes were recorded near Foster City. Magnitudes ranged from 4.1 to 4.8, with an average of 4.4; depths ranged from 6.7 to 13.2 km, averaging 9.8 km. Activity extended from Wednesday, January 7, 1981 to Saturday, April 25, 1981 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
8.9 km
San Jose, United States
15 Jan 1981 12:47:51 UTC
4.5
8.8 km
Salinas, United States
07 Jan 1981 11:42:33 UTC
4.4
11.6 km
San Jose, United States
03 Mar 1981 10:45:12 UTC
4.1
13.2 km
Santa Cruz, United States
25 Apr 1981 19:41:37 UTC
4.1
6.7 km
Salinas, United States
27 Jan 1981 22:10:53 UTC