Earthquakes by city Japan 100 km
Seismic city profile

Nakano

Nakano, Japan: 407 earthquakes of magnitude 4.0+ detected within 100 km.

Population
42,664
Residents in the indexed city record.
Earthquakes
407
Earthquakes at M4.0+ nearby.
Max magnitude
6.6
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 36.750, 138.367
Nearby activity pulse
Last 30 days
2
Last 12 months
7
Last nearby event: 2026-04-18 05:54 UTC
Strongest nearby event
M 6.6
JP
2007-07-16 01:13 UTC

Map

Earthquakes within 100 km of Nakano

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

Average magnitude
4.6
Average depth
51.5 km

Timeline

Recent seismic activity

Latest 7 events shown
UTC Magnitude Region Depth
2026-04-18 05:54 M 4.9
Chikuma
Japan
10.0 km
2026-04-18 04:20 M 4.9
Chikuma
Japan
10.0 km
2026-03-15 05:06 M 4.9
Maebashi
Japan
95.6 km
2026-01-15 05:48 M 5.1 Matsumoto
Japan
2.3 km
2026-01-15 05:40 M 4.7
Azumino
Japan
7.8 km
2025-10-26 03:04 M 4.6
Kiryū
Japan
12.4 km
2025-08-23 10:22 M 4.1
Chichibu
Japan
129.5 km

Monthly profile

Recent monthly trend

2025-08 1 events
2025-10 1 events
2026-01 2 events
2026-03 1 events
2026-04 2 events

Historic snapshot

Earthquakes history

1
1918
1
1933
1
1934
1
1941
7
1966
2
1967
1
1968
2
1971
1
1973
1
1975
3
1976
1
1977
2
1978
1
1979
1
1980
5
1981
1
1982
4
1983
1
1984
4
1986
8
1987
3
1988
1
1989
22
1990
2
1991
1
1992
7
1993
5
1995
5
1996
2
1997
14
1998
2
1999
5
2000
9
2001
6
2002
2
2003
88
2004
18
2005
3
2006
14
2007
5
2008
3
2009
4
2010
31
2011
7
2012
9
2013
17
2014
6
2015
9
2016
3
2017
5
2018
3
2019
15
2020
8
2021
6
2022
1
2023
4
2024
8
2025
5
2026
Year Max magnitude Earthquakes
2026 M 5.1 5
2025 M 4.8 8
2024 M 4.9 4
2023 M 4.3 1
2022 M 4.5 6
2021 M 5.1 8
2020 M 5.2 15
2019 M 4.6 3
2018 M 5.1 5
2017 M 5.1 3
2016 M 4.9 9
2015 M 4.9 6
2014 M 6.2 17
2013 M 5.8 9
2012 M 4.8 7
2011 M 6.2 31
2010 M 4.6 4
2009 M 4.6 3
2008 M 4.4 5
2007 M 6.6 14
2006 M 4.3 3
2005 M 4.9 18
2004 M 6.6 88
2003 M 4.4 2
2002 M 4.7 6
2001 M 5.3 9
2000 M 4.4 5
1999 M 4.9 2
1998 M 5.5 14
1997 M 4.2 2
1996 M 4.7 5
1995 M 4.5 5
1993 M 4.8 7
1992 M 4.5 1
1991 M 5.2 2
1990 M 5.3 22
1989 M 4.7 1
1988 M 4.7 3
1987 M 5.7 8
1986 M 5.6 4
1984 M 4.8 1
1983 M 5.1 4
1982 M 4.5 1
1981 M 5.4 5
1980 M 4.0 1
1979 M 4.3 1
1978 M 4.3 2
1977 M 5.0 1
1976 M 5.4 3
1975 M 4.9 1
1973 M 4.4 1
1971 M 5.7 2
1968 M 5.6 1
1967 M 5.7 2
1966 M 5.8 7
1941 M 6.3 1
1934 M 5.7 1
1933 M 6.0 1
1918 M 6.1 1