Earthquakes by city Japan 100 km
Seismic city profile

Akaiwa

Akaiwa, Japan: 85 earthquakes of magnitude 4.0+ detected within 100 km.

Population
43,742
Residents in the indexed city record.
Earthquakes
85
Earthquakes at M4.0+ nearby.
Max magnitude
7.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 34.810, 134.022
Nearby activity pulse
Last 30 days
0
Last 12 months
3
Last nearby event: 2026-03-25 11:31 UTC
Strongest nearby event
M 7.0
JP
1943-09-10 08:36 UTC

Map

Earthquakes within 100 km of Akaiwa

The map centers on Akaiwa and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.7
Average depth
36.5 km

Timeline

Recent seismic activity

Latest 3 events shown
UTC Magnitude Region Depth
2026-03-25 11:31 M 4.2
Kobe
Japan
10.0 km
2026-01-06 01:28 M 4.8
Matsue
Japan
10.6 km
2025-06-29 00:59 M 4.4
Yonago
Japan
10.0 km

Monthly profile

Recent monthly trend

2025-06 1 events
2026-01 1 events
2026-03 1 events

Historic snapshot

Earthquakes history

1
1930
4
1943
1
1961
2
1973
1
1974
1
1979
3
1983
3
1984
2
1985
1
1987
3
1989
3
1990
1
1991
14
1995
1
1996
2
1997
1
1999
3
2000
7
2001
2
2002
1
2003
2
2004
1
2005
1
2006
1
2011
4
2013
2
2014
3
2015
6
2016
3
2021
2
2022
1
2025
2
2026
Year Max magnitude Earthquakes
2026 M 4.8 2
2025 M 4.4 1
2022 M 4.0 2
2021 M 4.6 3
2016 M 6.2 6
2015 M 4.2 3
2014 M 4.6 2
2013 M 5.8 4
2011 M 4.8 1
2006 M 4.2 1
2005 M 4.8 1
2004 M 4.6 2
2003 M 4.7 1
2002 M 5.3 2
2001 M 5.3 7
2000 M 5.4 3
1999 M 4.2 1
1997 M 5.3 2
1996 M 4.0 1
1995 M 6.9 14
1991 M 5.5 1
1990 M 4.9 3
1989 M 5.0 3
1987 M 4.7 1
1985 M 4.7 2
1984 M 5.0 3
1983 M 5.5 3
1979 M 4.6 1
1974 M 4.1 1
1973 M 5.1 2
1961 M 5.6 1
1943 M 7.0 4
1930 M 5.8 1