city 1987

Ichinoseki earthquakes in 1987

Earthquake archive for Ichinoseki in 1987: 4 recorded events with dates, magnitudes, depths and epicenter details.

All periods 1986 1988

Overview

Period at a glance

Recorded earthquakes

5.8

Strongest magnitude

5.0

Average magnitude

66.6 km

Average depth

Strongest event

5.8

11 May 1987

Kesennuma, Japan

Depth

52.7 km

UTC

20:51:43

Coordinates

38.902, 141.988

Open

Analysis of the recorded activity

During 1987, 4 earthquakes were recorded near Ichinoseki. Magnitudes ranged from 4.6 to 5.8, with an average of 5.0; depths ranged from 52.7 to 90.5 km, averaging 66.6 km. Activity extended from Tuesday, January 20, 1987 to Saturday, August 22, 1987 UTC.

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

Event list

All earthquakes

Mag

Location

Details

5.8 52.7 km

Kesennuma, Japan

11 May 1987 20:51:43 UTC

Open

5.0 66.9 km

Kesennuma, Japan

20 Jan 1987 23:36:05 UTC

Open

4.7 56.2 km

Ōfunato, Japan

12 May 1987 20:51:23 UTC

4.6 90.5 km

Morioka, Japan

22 Aug 1987 21:45:35 UTC