city 1981

Alajuela earthquakes in 1981

Earthquake archive for Alajuela in 1981: 4 recorded events with dates, magnitudes, depths and epicenter details.

All periods 1980 1982

Overview

Period at a glance

Recorded earthquakes

5.1

Strongest magnitude

4.6

Average magnitude

47.3 km

Average depth

Strongest event

5.1

01 May 1981

Puntarenas, Costa Rica

Depth

90.2 km

UTC

06:17:25

Coordinates

9.953, -84.857

Open

Analysis of the recorded activity

During 1981, 4 earthquakes were recorded near Alajuela. Magnitudes ranged from 4.2 to 5.1, with an average of 4.7; depths ranged from 33.0 to 90.2 km, averaging 47.3 km. Activity extended from Friday, May 1, 1981 to Tuesday, October 6, 1981 UTC.

Only 4 earthquakes in the current catalogue match this period and location.

Event list

All earthquakes

Mag

Location

Details

5.1 90.2 km

Puntarenas, Costa Rica

01 May 1981 06:17:25 UTC

Open

4.9 33.0 km

Alajuela, Costa Rica

06 Oct 1981 20:38:07 UTC

4.4 33.0 km

San José, Costa Rica

25 Jun 1981 07:23:58 UTC

4.2 33.0 km

Puntarenas, Costa Rica

20 Sep 1981 12:40:54 UTC