Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Saku today

Saku, Japan: 361 earthquakes of magnitude 4.0+ detected within 100 km.

Population

99,131

Residents in the indexed city record.

Earthquakes

361

Earthquakes at M4.0+ nearby.

Max magnitude

7.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 36.217, 138.483

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-18 05:54 UTC

Strongest nearby event

M 7.0

Kawagoe, Japan

1924-01-14 20:50 UTC

Updated today

Earthquake in Saku today

No earthquake of magnitude M4.0+ has been detected today within 100 km of Saku.

2 M4.0+ event(s) have been observed in the last 30 days around Saku.

The strongest earthquake recorded near Saku reached magnitude 7.0 on 1924-01-14 20:50 UTC, near Kawagoe.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Saku today?

No earthquake of magnitude M4.0+ has been detected today within 100 km of Saku.

When was the last earthquake near Saku?

The last nearby earthquake was recorded on 2026-04-18 05:54 UTC.

What is the strongest earthquake recorded near Saku?

The strongest earthquake recorded near Saku reached magnitude 7.0 on 1924-01-14 20:50 UTC, near Kawagoe.

Map

Earthquakes within 100 km of Saku

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

Average magnitude

4.6

Average depth

67.5 km

Timeline

Recent seismic activity

Latest 10 events shown

UTC	Magnitude	Region	Depth
2026-04-18 05:54	M 4.9	Chikuma Japan	10.0 km
2026-04-18 04:20	M 4.9	Chikuma Japan	10.0 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
2026-01-15 05:48	M 5.1	Matsumoto Japan	2.3 km
2026-01-15 05:40	M 4.7	Azumino Japan	7.8 km
2025-10-26 03:04	M 4.6	Kiryū Japan	12.4 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

Monthly profile

Recent monthly trend

2025-08 2 events

2025-10 1 events

2026-01 2 events

2026-02 2 events

2026-03 1 events

2026-04 2 events

Historic snapshot

Earthquakes history

Strongest years

1924 M 7.0 max · 1 earthquakes 1931 M 6.5 max · 2 earthquakes 1941 M 6.3 max · 1 earthquakes 2014 M 6.2 max · 16 earthquakes 2011 M 6.2 max · 28 earthquakes

Year	Max magnitude	Earthquakes
2026	M 5.1	7
2025	M 4.8	8
2024	M 4.6	6
2023	M 4.1	2
2022	M 4.5	5
2021	M 5.1	7
2020	M 5.2	17
2019	M 4.6	5
2018	M 5.1	6
2017	M 5.2	8
2016	M 4.6	10
2015	M 4.9	7
2014	M 6.2	16
2013	M 5.8	8
2012	M 5.5	12
2011	M 6.2	28
2010	M 4.6	2
2009	M 5.1	6
2008	M 4.4	9
2007	M 4.4	6
2006	M 4.3	3
2005	M 4.3	10
2004	M 4.8	9
2003	M 4.5	3
2002	M 4.6	5
2001	M 5.3	10
2000	M 4.6	6
1999	M 4.9	3
1998	M 5.5	17
1997	M 5.1	4
1996	M 5.6	9
1995	M 4.7	4
1994	M 5.1	2
1993	M 4.8	7
1991	M 5.2	3
1990	M 4.9	12
1989	M 4.6	2
1988	M 5.4	7
1987	M 4.6	5
1986	M 5.6	7
1985	M 4.9	4
1984	M 5.3	6
1983	M 5.7	6
1982	M 4.1	1
1981	M 4.7	4
1980	M 4.6	2
1979	M 4.8	2
1978	M 4.6	3
1977	M 5.0	1
1976	M 5.4	8
1975	M 4.9	1
1973	M 4.1	1
1971	M 5.5	1
1968	M 6.1	2
1967	M 5.7	2
1966	M 5.8	7
1959	M 5.7	1
1941	M 6.3	1
1931	M 6.5	2
1927	M 5.6	1
1924	M 7.0	1
1918	M 6.1	1