Earthquakes by city Japan 100 km
Seismic city profile

Tachikawa

Tachikawa, Japan: 1489 earthquakes of magnitude 4.0+ detected within 100 km.

Population
183,581
Residents in the indexed city record.
Earthquakes
1489
Earthquakes at M4.0+ nearby.
Max magnitude
8.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 35.709, 139.419
Nearby activity pulse
Last 30 days
2
Last 12 months
36
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 Tachikawa

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

Average magnitude
4.6
Average depth
67.4 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
2026-02-15 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
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
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

Monthly profile

Recent monthly trend

2025-08 2 events
2025-09 2 events
2025-10 3 events
2025-11 4 events
2025-12 1 events
2026-01 5 events
2026-02 4 events
2026-03 2 events
2026-04 2 events

Historic snapshot

Earthquakes history

1
1909
2
1921
1
1922
6
1923
1
1924
1
1927
1
1928
1
1929
3
1930
4
1931
1
1938
1
1951
1
1952
2
1956
1
1959
3
1965
1
1967
1
1968
1
1971
16
1973
9
1974
19
1975
14
1976
14
1977
12
1978
12
1979
27
1980
14
1981
18
1982
31
1983
24
1984
30
1985
14
1986
27
1987
44
1988
27
1989
22
1990
19
1991
16
1992
11
1993
14
1994
21
1995
27
1996
28
1997
19
1998
14
1999
18
2000
20
2001
15
2002
17
2003
24
2004
50
2005
43
2006
36
2007
34
2008
15
2009
16
2010
64
2011
53
2012
26
2013
42
2014
44
2015
49
2016
39
2017
29
2018
30
2019
32
2020
36
2021
45
2022
36
2023
51
2024
36
2025
13
2026
Year Max magnitude Earthquakes
2026 M 4.9 13
2025 M 4.8 36
2024 M 5.2 51
2023 M 5.2 36
2022 M 5.0 45
2021 M 5.9 36
2020 M 5.3 32
2019 M 5.0 30
2018 M 4.8 29
2017 M 5.1 39
2016 M 5.4 49
2015 M 5.1 44
2014 M 6.0 42
2013 M 5.6 26
2012 M 5.8 53
2011 M 6.2 64
2010 M 5.1 16
2009 M 5.1 15
2008 M 5.1 34
2007 M 5.2 36
2006 M 5.6 43
2005 M 5.9 50
2004 M 5.8 24
2003 M 5.3 17
2002 M 4.9 15
2001 M 4.9 20
2000 M 6.2 18
1999 M 5.4 14
1998 M 5.4 19
1997 M 5.6 28
1996 M 5.6 27
1995 M 5.3 21
1994 M 5.1 14
1993 M 5.2 11
1992 M 5.8 16
1991 M 5.1 19
1990 M 6.3 22
1989 M 6.1 27
1988 M 5.6 44
1987 M 6.7 27
1986 M 4.9 14
1985 M 5.9 30
1984 M 5.4 24
1983 M 5.9 31
1982 M 5.4 18
1981 M 5.2 14
1980 M 6.0 27
1979 M 5.4 12
1978 M 5.7 12
1977 M 5.4 14
1976 M 5.4 14
1975 M 5.3 19
1974 M 5.6 9
1973 M 5.9 16
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
1952 M 6.0 1
1951 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 5.6 1
1927 M 5.6 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