Earthquakes by city Japan 100 km
Seismic city profile

Ōta

Ōta, Japan: 1011 earthquakes of magnitude 4.0+ detected within 100 km.

Population
224,358
Residents in the indexed city record.
Earthquakes
1011
Earthquakes at M4.0+ nearby.
Max magnitude
7.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 36.300, 139.367
Nearby activity pulse
Last 30 days
2
Last 12 months
24
Last nearby event: 2026-04-05 23:17 UTC
Strongest nearby event
M 7.0
JP
1924-01-14 20:50 UTC

Map

Earthquakes within 100 km of Ōta

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

Average magnitude
4.5
Average depth
73.7 km

Timeline

Recent seismic activity

Latest 24 events shown
UTC Magnitude Region Depth
2026-04-05 23:17 M 4.0
Tokyo
Japan
138.6 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
2026-01-23 21:20 M 4.0
Hitachiomiya
Japan
56.6 km
2025-12-29 21:00 M 4.0
Hitachi-ota
Japan
10.0 km
2025-12-12 10:05 M 4.8
Tsukuba
Japan
62.9 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 13:34 M 4.6
Chiba
Japan
85.4 km
2025-10-26 03:04 M 4.6
Kiryū
Japan
12.4 km
2025-10-24 06:47 M 4.6
Chiba
Japan
76.7 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
2025-07-23 01:21 M 4.2
Kashiwa
Japan
82.3 km
2025-06-30 16:13 M 4.0
Tsukuba
Japan
66.1 km
2025-06-20 10:54 M 4.4
Chiba
Japan
73.8 km
2025-05-12 23:33 M 4.5
Kashiwa
Japan
77.9 km
2025-05-04 03:35 M 4.5
Tokyo
Japan
77.8 km

Monthly profile

Recent monthly trend

2025-06 2 events
2025-07 2 events
2025-08 2 events
2025-09 1 events
2025-10 3 events
2025-11 2 events
2025-12 2 events
2026-01 2 events
2026-02 3 events
2026-03 1 events
2026-04 2 events

Historic snapshot

Earthquakes history

2
1921
1
1922
1
1924
1
1927
1
1928
1
1929
3
1931
1
1938
2
1949
1
1956
3
1965
1
1966
1
1968
1
1969
1
1971
12
1973
6
1974
17
1975
13
1976
10
1977
10
1978
10
1979
11
1980
9
1981
13
1982
23
1983
17
1984
22
1985
12
1986
19
1987
13
1988
11
1989
12
1990
15
1991
9
1992
7
1993
9
1994
16
1995
17
1996
9
1997
11
1998
8
1999
13
2000
20
2001
9
2002
13
2003
20
2004
29
2005
23
2006
20
2007
27
2008
10
2009
8
2010
52
2011
37
2012
24
2013
33
2014
32
2015
38
2016
33
2017
18
2018
18
2019
22
2020
27
2021
27
2022
27
2023
33
2024
28
2025
8
2026
Year Max magnitude Earthquakes
2026 M 4.9 8
2025 M 4.8 28
2024 M 5.2 33
2023 M 4.9 27
2022 M 5.0 27
2021 M 5.0 27
2020 M 5.3 22
2019 M 5.0 18
2018 M 4.9 18
2017 M 5.1 33
2016 M 5.4 38
2015 M 5.1 32
2014 M 5.5 33
2013 M 5.8 24
2012 M 5.5 37
2011 M 5.8 52
2010 M 4.8 8
2009 M 5.1 10
2008 M 5.2 27
2007 M 4.6 20
2006 M 5.1 23
2005 M 5.5 29
2004 M 5.8 20
2003 M 5.3 13
2002 M 4.9 9
2001 M 5.0 20
2000 M 4.9 13
1999 M 5.2 8
1998 M 5.4 11
1997 M 5.2 9
1996 M 5.5 17
1995 M 5.1 16
1994 M 5.1 9
1993 M 5.2 7
1992 M 5.0 9
1991 M 5.2 15
1990 M 5.2 12
1989 M 5.6 11
1988 M 5.6 13
1987 M 5.1 19
1986 M 4.8 12
1985 M 5.9 22
1984 M 5.4 17
1983 M 5.9 23
1982 M 5.6 13
1981 M 5.2 9
1980 M 5.4 11
1979 M 5.4 10
1978 M 5.7 10
1977 M 5.4 10
1976 M 5.4 13
1975 M 5.3 17
1974 M 5.6 6
1973 M 5.1 12
1971 M 5.5 1
1969 M 5.7 1
1968 M 6.1 1
1966 M 5.7 1
1965 M 5.7 3
1956 M 5.5 1
1949 M 6.3 2
1938 M 5.5 1
1931 M 6.5 3
1929 M 6.2 1
1928 M 5.6 1
1927 M 5.6 1
1924 M 7.0 1
1922 M 6.3 1
1921 M 6.4 2