Earthquakes by city Japan 100 km
Seismic city profile

Hitachi-ota

Hitachi-ota, Japan: 2822 earthquakes of magnitude 4.0+ detected within 100 km.

Population
48,602
Residents in the indexed city record.
Earthquakes
2822
Earthquakes at M4.0+ nearby.
Max magnitude
7.9
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 36.551, 140.528
Nearby activity pulse
Last 30 days
1
Last 12 months
42
Last nearby event: 2026-04-01 01:06 UTC
Strongest nearby event
M 7.9
JP
2011-03-11 06:15 UTC

Map

Earthquakes within 100 km of Hitachi-ota

The map centers on Hitachi-ota and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.6
Average depth
50.6 km

Timeline

Recent seismic activity

Latest 25 events shown
UTC Magnitude Region Depth
2026-04-01 01:06 M 4.9
Kashiwa
Japan
57.2 km
2026-02-15 02:52 M 4.1
Ōta
Japan
68.5 km
2026-02-03 18:36 M 4.1
Hasaki
Japan
34.9 km
2026-02-03 09:03 M 4.6
Iwaki
Japan
61.9 km
2026-01-30 18:47 M 4.3
Mito
Japan
56.9 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
2025-12-18 13:57 M 4.4
Iwaki
Japan
54.6 km
2025-12-13 22:52 M 4.4
Iwaki
Japan
60.2 km
2025-12-12 10:05 M 4.8
Tsukuba
Japan
62.9 km
2025-11-11 21:50 M 4.2
Mito
Japan
68.5 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
2025-10-30 07:55 M 4.4
Iwaki
Japan
51.1 km
2025-10-26 13:34 M 4.6
Chiba
Japan
85.4 km
2025-10-11 03:30 M 4.5
Iwaki
Japan
35.0 km
2025-09-19 18:02 M 4.6
Mito
Japan
38.9 km
2025-09-05 12:00 M 4.2
Saitama
Japan
70.0 km
2025-08-31 21:53 M 4.4
Chiba
Japan
51.8 km
2025-08-29 16:13 M 4.2
Hitachi
Japan
64.8 km
2025-08-28 19:54 M 4.6
Iwaki
Japan
91.7 km
2025-08-28 01:06 M 4.3
Yachiyo
Japan
50.6 km
2025-08-13 19:13 M 4.9
Hitachi
Japan
50.1 km
2025-08-08 10:29 M 4.7
Iwaki
Japan
35.0 km

Monthly profile

Recent monthly trend

2025-08 6 events
2025-09 2 events
2025-10 3 events
2025-11 3 events
2025-12 4 events
2026-01 3 events
2026-02 3 events
2026-04 1 events

Historic snapshot

Earthquakes history

1
1921
1
1922
4
1924
2
1927
3
1928
3
1929
1
1930
2
1931
1
1935
6
1938
1
1939
1
1941
2
1942
1
1946
1
1947
2
1948
2
1949
1
1950
1
1951
1
1954
1
1955
1
1958
1
1960
1
1961
3
1963
2
1964
10
1965
2
1966
1
1967
1
1968
2
1969
3
1971
28
1973
19
1974
27
1975
19
1976
13
1977
25
1978
19
1979
16
1980
17
1981
48
1982
37
1983
37
1984
34
1985
28
1986
27
1987
17
1988
32
1989
30
1990
24
1991
28
1992
16
1993
26
1994
21
1995
24
1996
15
1997
25
1998
18
1999
31
2000
30
2001
21
2002
29
2003
39
2004
53
2005
36
2006
38
2007
72
2008
21
2009
36
2010
643
2011
177
2012
88
2013
101
2014
76
2015
92
2016
75
2017
55
2018
43
2019
61
2020
48
2021
55
2022
56
2023
56
2024
48
2025
7
2026
Year Max magnitude Earthquakes
2026 M 4.9 7
2025 M 4.9 48
2024 M 5.6 56
2023 M 4.8 56
2022 M 5.4 55
2021 M 5.2 48
2020 M 5.8 61
2019 M 5.1 43
2018 M 5.5 55
2017 M 5.6 75
2016 M 5.9 92
2015 M 5.3 76
2014 M 5.6 101
2013 M 5.6 88
2012 M 6.0 177
2011 M 7.9 643
2010 M 5.5 36
2009 M 5.7 21
2008 M 6.9 72
2007 M 4.6 38
2006 M 5.7 36
2005 M 6.3 53
2004 M 6.0 39
2003 M 5.7 29
2002 M 5.6 21
2001 M 5.3 30
2000 M 6.0 31
1999 M 5.3 18
1998 M 5.5 25
1997 M 5.9 15
1996 M 5.5 24
1995 M 5.3 21
1994 M 5.5 26
1993 M 5.3 16
1992 M 5.7 28
1991 M 5.4 24
1990 M 6.1 30
1989 M 5.6 32
1988 M 5.0 17
1987 M 5.9 27
1986 M 6.2 28
1985 M 5.9 34
1984 M 5.7 37
1983 M 5.9 37
1982 M 5.6 48
1981 M 5.5 17
1980 M 5.2 16
1979 M 5.8 19
1978 M 5.7 25
1977 M 5.6 13
1976 M 5.6 19
1975 M 5.5 27
1974 M 6.0 19
1973 M 5.8 28
1971 M 5.5 3
1969 M 5.7 2
1968 M 5.8 1
1967 M 5.8 1
1966 M 5.6 2
1965 M 7.0 10
1964 M 6.3 2
1963 M 6.3 3
1961 M 5.9 1
1960 M 5.7 1
1958 M 5.5 1
1955 M 5.9 1
1954 M 5.8 1
1951 M 5.9 1
1950 M 6.0 1
1949 M 6.3 2
1948 M 6.3 2
1947 M 5.9 1
1946 M 6.0 1
1942 M 6.8 2
1941 M 6.2 1
1939 M 5.7 1
1938 M 7.7 6
1935 M 6.9 1
1931 M 5.8 2
1930 M 6.1 1
1929 M 5.8 3
1928 M 6.1 3
1927 M 5.9 2
1924 M 7.1 4
1922 M 6.0 1
1921 M 6.4 1