region March 1991

Chiba earthquakes in March 1991

Earthquake archive for Chiba in March 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.

All periods

Overview

Period at a glance

Recorded earthquakes

5.0

Strongest magnitude

4.4

Average magnitude

43.9 km

Average depth

Strongest event

5.0

15 Mar 1991

Chiba, Japan

Depth

65.7 km

UTC

00:01:34

Coordinates

35.399, 140.227

Open

Analysis of the recorded activity

During March 1991, 3 earthquakes were recorded near Chiba. Magnitudes ranged from 4.0 to 5.0, with an average of 4.4; depths ranged from 33.0 to 65.7 km, averaging 43.9 km. Activity extended from Monday, March 11, 1991 to Friday, March 15, 1991 UTC.

Only 3 earthquakes in the current catalogue match this period and location.

Event list

All earthquakes

Mag

Location

Details

5.0 65.7 km

Chiba, Japan

15 Mar 1991 00:01:34 UTC

Open

4.3 33.0 km

Chiba, Japan

11 Mar 1991 23:27:17 UTC

4.0 33.0 km

Chiba, Japan

11 Mar 1991 21:42:03 UTC