Earthquakes by city Japan 100 km
Seismic city profile

Tomioka

Tomioka, Japan: 655 earthquakes of magnitude 4.0+ detected within 100 km.

Population
47,911
Residents in the indexed city record.
Earthquakes
655
Earthquakes at M4.0+ nearby.
Max magnitude
7.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 36.254, 138.898
Nearby activity pulse
Last 30 days
3
Last 12 months
16
Last nearby event: 2026-04-18 05:54 UTC
Strongest nearby event
M 7.0
JP
1924-01-14 20:50 UTC

Map

Earthquakes within 100 km of Tomioka

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

Average magnitude
4.6
Average depth
71.2 km

Timeline

Recent seismic activity

Latest 16 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
2026-04-01 01:06 M 4.9
Kashiwa
Japan
57.2 km
2026-03-15 05:06 M 4.9
Maebashi
Japan
95.6 km
2026-02-15 02:52 M 4.1
Ōta
Japan
68.5 km
2026-02-09 12:27 M 4.3
Ōta
Japan
104.2 km
2026-02-06 15:58 M 4.2
Saitama
Japan
95.2 km
2026-01-25 02:46 M 4.3
Oyama
Japan
82.6 km
2025-11-08 21:24 M 4.4
Oyama
Japan
84.1 km
2025-11-04 05:00 M 4.2
Tsukuba
Japan
83.6 km
2025-10-26 03:04 M 4.6
Kiryū
Japan
12.4 km
2025-09-05 12:00 M 4.2
Saitama
Japan
70.0 km
2025-08-23 10:22 M 4.1
Chichibu
Japan
129.5 km
2025-08-01 13:58 M 4.4
Ōta
Japan
116.0 km
2025-07-29 18:58 M 4.1
Tsukuba
Japan
78.0 km
2025-06-30 16:13 M 4.0
Tsukuba
Japan
66.1 km

Monthly profile

Recent monthly trend

2025-06 1 events
2025-07 1 events
2025-08 2 events
2025-09 1 events
2025-10 1 events
2025-11 2 events
2026-01 1 events
2026-02 3 events
2026-03 1 events
2026-04 3 events

Historic snapshot

Earthquakes history

1
1918
1
1921
1
1924
1
1927
1
1928
1
1929
4
1931
1
1941
2
1949
1
1959
2
1965
7
1966
2
1967
2
1968
1
1971
7
1973
4
1974
8
1975
13
1976
5
1977
7
1978
5
1979
6
1980
7
1981
3
1982
15
1983
10
1984
11
1985
8
1986
13
1987
10
1988
5
1989
10
1990
6
1991
7
1992
5
1993
4
1994
10
1995
16
1996
8
1997
6
1998
6
1999
10
2000
17
2001
8
2002
5
2003
23
2004
22
2005
8
2006
15
2007
13
2008
6
2009
5
2010
34
2011
26
2012
12
2013
25
2014
19
2015
23
2016
15
2017
13
2018
13
2019
12
2020
12
2021
15
2022
14
2023
20
2024
19
2025
8
2026
Year Max magnitude Earthquakes
2026 M 4.9 8
2025 M 4.8 19
2024 M 5.2 20
2023 M 4.7 14
2022 M 5.0 15
2021 M 5.0 12
2020 M 5.0 12
2019 M 5.0 13
2018 M 5.1 13
2017 M 5.1 15
2016 M 5.4 23
2015 M 5.1 19
2014 M 5.5 25
2013 M 5.8 12
2012 M 5.5 26
2011 M 6.2 34
2010 M 4.5 5
2009 M 5.1 6
2008 M 4.9 13
2007 M 4.5 15
2006 M 4.4 8
2005 M 5.5 22
2004 M 5.8 23
2003 M 5.2 5
2002 M 4.9 8
2001 M 5.3 17
2000 M 4.9 10
1999 M 4.9 6
1998 M 4.6 6
1997 M 5.1 8
1996 M 5.6 16
1995 M 5.1 10
1994 M 5.1 4
1993 M 5.2 5
1992 M 5.0 7
1991 M 5.2 6
1990 M 5.3 10
1989 M 5.6 5
1988 M 5.6 10
1987 M 5.1 13
1986 M 4.8 8
1985 M 4.9 11
1984 M 5.4 10
1983 M 5.7 15
1982 M 4.8 3
1981 M 5.2 7
1980 M 5.4 6
1979 M 4.8 5
1978 M 5.7 7
1977 M 5.4 5
1976 M 5.4 13
1975 M 5.3 8
1974 M 5.6 4
1973 M 5.1 7
1971 M 5.5 1
1968 M 6.1 2
1967 M 5.7 2
1966 M 5.8 7
1965 M 5.7 2
1959 M 5.7 1
1949 M 6.3 2
1941 M 6.3 1
1931 M 6.5 4
1929 M 6.2 1
1928 M 5.6 1
1927 M 5.6 1
1924 M 7.0 1
1921 M 6.0 1
1918 M 6.1 1