Earthquakes by city Japan 100 km
Seismic city profile

Morohongō

Morohongō, Japan: 1233 earthquakes of magnitude 4.0+ detected within 100 km.

Population
39,693
Residents in the indexed city record.
Earthquakes
1233
Earthquakes at M4.0+ nearby.
Max magnitude
8.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 35.936, 139.304
Nearby activity pulse
Last 30 days
2
Last 12 months
31
Last nearby event: 2026-04-05 23:17 UTC
Strongest nearby event
M 8.0
JP
1923-09-01 02:58 UTC

Map

Earthquakes within 100 km of Morohongō

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

Average magnitude
4.6
Average depth
72.9 km

Timeline

Recent seismic activity

Latest 25 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
2026-01-17 16:49 M 4.3
Chiba
Japan
72.1 km
2025-12-12 10:05 M 4.8
Tsukuba
Japan
62.9 km
2025-11-13 21:36 M 4.3
Chiba
Japan
97.4 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
2025-10-03 03:48 M 4.5
Kawasaki
Japan
106.4 km
2025-09-08 23:53 M 4.3
Chiba
Japan
66.6 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
2025-08-28 01:06 M 4.3
Yachiyo
Japan
50.6 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 12:49 M 4.3
Numazu
Japan
10.0 km
2025-07-23 01:21 M 4.2
Kashiwa
Japan
82.3 km

Monthly profile

Recent monthly trend

2025-07 3 events
2025-08 4 events
2025-09 2 events
2025-10 4 events
2025-11 3 events
2025-12 1 events
2026-01 2 events
2026-02 3 events
2026-03 1 events
2026-04 2 events

Historic snapshot

Earthquakes history

1
1909
2
1921
1
1922
4
1923
1
1924
1
1927
1
1928
1
1929
4
1931
1
1938
2
1949
2
1956
1
1959
3
1965
1
1967
1
1968
1
1971
14
1973
9
1974
19
1975
15
1976
12
1977
11
1978
9
1979
20
1980
12
1981
15
1982
26
1983
21
1984
28
1985
14
1986
20
1987
17
1988
15
1989
17
1990
18
1991
13
1992
6
1993
13
1994
18
1995
25
1996
19
1997
14
1998
11
1999
15
2000
19
2001
13
2002
14
2003
18
2004
42
2005
31
2006
27
2007
29
2008
9
2009
11
2010
55
2011
43
2012
23
2013
39
2014
42
2015
47
2016
35
2017
24
2018
23
2019
28
2020
30
2021
37
2022
31
2023
46
2024
35
2025
8
2026
Year Max magnitude Earthquakes
2026 M 4.9 8
2025 M 4.8 35
2024 M 5.2 46
2023 M 4.9 31
2022 M 5.0 37
2021 M 5.9 30
2020 M 5.3 28
2019 M 5.0 23
2018 M 4.8 24
2017 M 5.1 35
2016 M 5.4 47
2015 M 5.1 42
2014 M 5.5 39
2013 M 5.6 23
2012 M 5.5 43
2011 M 6.2 55
2010 M 4.6 11
2009 M 5.1 9
2008 M 4.9 29
2007 M 4.7 27
2006 M 5.1 31
2005 M 5.9 42
2004 M 5.8 18
2003 M 5.3 14
2002 M 4.9 13
2001 M 5.0 19
2000 M 4.9 15
1999 M 5.4 11
1998 M 5.4 14
1997 M 5.2 19
1996 M 5.6 25
1995 M 5.1 18
1994 M 5.1 13
1993 M 5.2 6
1992 M 5.8 13
1991 M 5.1 18
1990 M 5.3 17
1989 M 5.6 15
1988 M 5.6 17
1987 M 5.1 20
1986 M 4.8 14
1985 M 5.9 28
1984 M 5.4 21
1983 M 5.9 26
1982 M 4.9 15
1981 M 5.2 12
1980 M 6.0 20
1979 M 5.4 9
1978 M 5.7 11
1977 M 5.4 12
1976 M 5.4 15
1975 M 5.3 19
1974 M 5.6 9
1973 M 5.1 14
1971 M 5.5 1
1968 M 6.1 1
1967 M 5.5 1
1965 M 5.7 3
1959 M 5.7 1
1956 M 6.3 2
1949 M 6.3 2
1938 M 5.5 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
1923 M 8.0 4
1922 M 6.3 1
1921 M 6.4 2
1909 M 5.8 1