Earthquakes by city Japan 100 km
Seismic city profile

Ayase

Ayase, Japan: 1535 earthquakes of magnitude 4.0+ detected within 100 km.

Population
83,913
Residents in the indexed city record.
Earthquakes
1535
Earthquakes at M4.0+ nearby.
Max magnitude
8.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 35.435, 139.426
Nearby activity pulse
Last 30 days
2
Last 12 months
38
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 Ayase

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

Average magnitude
4.6
Average depth
63.6 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
2026-03-16 11:37 M 4.5
Itō
Japan
143.1 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
2025-11-04 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
2025-10-03 03:37 M 4.4
Tateyama
Japan
52.0 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 4 events
2025-11 3 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
4
1930
4
1931
1
1934
1
1935
1
1938
1
1944
1
1950
1
1951
1
1952
2
1956
1
1959
1
1964
3
1965
1
1967
1
1968
2
1971
14
1973
13
1974
13
1975
17
1976
15
1977
24
1978
12
1979
31
1980
13
1981
19
1982
33
1983
23
1984
31
1985
24
1986
26
1987
53
1988
30
1989
22
1990
18
1991
16
1992
10
1993
15
1994
21
1995
30
1996
32
1997
23
1998
12
1999
18
2000
19
2001
16
2002
18
2003
27
2004
50
2005
43
2006
39
2007
35
2008
13
2009
14
2010
58
2011
50
2012
23
2013
46
2014
39
2015
45
2016
36
2017
33
2018
33
2019
31
2020
32
2021
49
2022
36
2023
53
2024
32
2025
15
2026
Year Max magnitude Earthquakes
2026 M 4.9 15
2025 M 4.8 32
2024 M 5.2 53
2023 M 5.2 36
2022 M 5.0 49
2021 M 5.9 32
2020 M 5.3 31
2019 M 5.2 33
2018 M 4.8 33
2017 M 5.1 36
2016 M 5.4 45
2015 M 5.1 39
2014 M 6.0 46
2013 M 5.6 23
2012 M 5.8 50
2011 M 6.2 58
2010 M 4.7 14
2009 M 5.0 13
2008 M 5.1 35
2007 M 5.9 39
2006 M 5.6 43
2005 M 5.9 50
2004 M 5.8 27
2003 M 5.7 18
2002 M 4.9 16
2001 M 4.9 19
2000 M 6.2 18
1999 M 5.4 12
1998 M 5.7 23
1997 M 5.6 32
1996 M 5.6 30
1995 M 5.3 21
1994 M 5.1 15
1993 M 5.2 10
1992 M 5.8 16
1991 M 5.1 18
1990 M 6.4 22
1989 M 6.1 30
1988 M 5.6 53
1987 M 6.7 26
1986 M 5.1 24
1985 M 5.9 31
1984 M 5.4 23
1983 M 5.9 33
1982 M 5.4 19
1981 M 5.2 13
1980 M 6.2 31
1979 M 5.4 12
1978 M 6.6 24
1977 M 5.4 15
1976 M 5.4 17
1975 M 5.3 13
1974 M 5.6 13
1973 M 5.9 14
1971 M 5.5 2
1968 M 6.1 1
1967 M 5.5 1
1965 M 5.7 3
1964 M 6.0 1
1959 M 5.7 1
1956 M 6.3 2
1952 M 6.0 1
1951 M 6.1 1
1950 M 6.1 1
1944 M 6.3 1
1938 M 5.5 1
1935 M 6.1 1
1934 M 5.3 1
1931 M 6.5 4
1930 M 6.9 4
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