Earthquakes by city Japan 100 km
Seismic city profile

Koganei

Koganei, Japan: 1598 earthquakes of magnitude 4.0+ detected within 100 km.

Population
126,074
Residents in the indexed city record.
Earthquakes
1598
Earthquakes at M4.0+ nearby.
Max magnitude
8.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 35.700, 139.511
Nearby activity pulse
Last 30 days
2
Last 12 months
39
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 Koganei

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

Average magnitude
4.6
Average depth
65.9 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
2026-03-28 10:36 M 4.1
Fujisawa
Japan
74.4 km
2026-03-15 05:06 M 4.9
Maebashi
Japan
95.6 km
2026-02-19 08:24 M 4.4
Isumi
Japan
10.0 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
2026-02-05 00:19 M 4.5
Sakura
Japan
60.0 km
2026-01-29 02:47 M 4.0
Tateyama
Japan
26.6 km
2026-01-29 01:40 M 4.4
Tateyama
Japan
40.2 km
2026-01-29 01:25 M 4.4
Tateyama
Japan
19.8 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
2026-01-09 11:07 M 4.4
Mobara
Japan
28.4 km
2025-12-12 10:05 M 4.8
Tsukuba
Japan
62.9 km
2025-11-16 07:03 M 4.2
Mobara
Japan
68.9 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
2025-10-24 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

Monthly profile

Recent monthly trend

2025-09 2 events
2025-10 3 events
2025-11 4 events
2025-12 1 events
2026-01 6 events
2026-02 5 events
2026-03 2 events
2026-04 2 events

Historic snapshot

Earthquakes history

1
1909
2
1921
1
1922
6
1923
1
1924
1
1926
1
1927
2
1928
1
1929
3
1930
4
1931
1
1938
1
1950
2
1951
1
1952
2
1956
3
1965
1
1967
1
1968
3
1971
17
1973
11
1974
19
1975
14
1976
15
1977
14
1978
12
1979
27
1980
14
1981
19
1982
33
1983
25
1984
31
1985
14
1986
28
1987
48
1988
27
1989
24
1990
19
1991
20
1992
11
1993
17
1994
23
1995
31
1996
29
1997
22
1998
14
1999
18
2000
21
2001
17
2002
19
2003
27
2004
54
2005
44
2006
35
2007
37
2008
16
2009
18
2010
73
2011
55
2012
29
2013
45
2014
46
2015
52
2016
40
2017
30
2018
33
2019
39
2020
36
2021
51
2022
37
2023
58
2024
37
2025
15
2026
Year Max magnitude Earthquakes
2026 M 4.9 15
2025 M 4.8 37
2024 M 5.2 58
2023 M 6.1 37
2022 M 5.0 51
2021 M 5.9 36
2020 M 5.3 39
2019 M 5.2 33
2018 M 4.8 30
2017 M 5.1 40
2016 M 5.4 52
2015 M 5.1 46
2014 M 6.0 45
2013 M 5.6 29
2012 M 5.8 55
2011 M 6.2 73
2010 M 5.1 18
2009 M 5.1 16
2008 M 5.1 37
2007 M 5.2 35
2006 M 5.6 44
2005 M 5.9 54
2004 M 5.8 27
2003 M 5.7 19
2002 M 4.9 17
2001 M 5.0 21
2000 M 6.2 18
1999 M 5.4 14
1998 M 5.7 22
1997 M 5.6 29
1996 M 5.6 31
1995 M 5.3 23
1994 M 5.1 17
1993 M 5.2 11
1992 M 5.8 20
1991 M 5.1 19
1990 M 6.3 24
1989 M 6.1 27
1988 M 5.6 48
1987 M 6.7 28
1986 M 4.9 14
1985 M 5.9 31
1984 M 5.4 25
1983 M 5.9 33
1982 M 5.4 19
1981 M 5.2 14
1980 M 6.0 27
1979 M 5.4 12
1978 M 5.7 14
1977 M 5.4 15
1976 M 5.4 14
1975 M 5.3 19
1974 M 5.6 11
1973 M 5.9 17
1971 M 5.5 3
1968 M 6.1 1
1967 M 5.5 1
1965 M 5.7 3
1956 M 6.3 2
1952 M 6.0 1
1951 M 6.1 2
1950 M 6.1 1
1938 M 5.5 1
1931 M 6.5 4
1930 M 6.9 3
1929 M 6.2 1
1928 M 5.9 2
1927 M 5.6 1
1926 M 5.7 1
1924 M 7.0 1
1923 M 8.0 6
1922 M 6.3 1
1921 M 6.4 2
1909 M 5.8 1