Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Kōshū today

Kōshū, Japan: 488 earthquakes of magnitude 4.0+ detected within 100 km.

Population

31,526

Residents in the indexed city record.

Earthquakes

488

Earthquakes at M4.0+ nearby.

Max magnitude

8.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.724, 138.771

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-05 23:17 UTC

Strongest nearby event

M 8.0

Fujisawa, Japan

1923-09-01 02:58 UTC

Updated today

Earthquake in Kōshū today

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

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

The strongest earthquake recorded near Kōshū reached magnitude 8.0 on 1923-09-01 02:58 UTC, near Fujisawa.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Kōshū today?

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

When was the last earthquake near Kōshū?

The last nearby earthquake was recorded on 2026-04-05 23:17 UTC.

What is the strongest earthquake recorded near Kōshū?

The strongest earthquake recorded near Kōshū reached magnitude 8.0 on 1923-09-01 02:58 UTC, near Fujisawa.

Map

Earthquakes within 100 km of Kōshū

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

Average magnitude

4.6

Average depth

76.2 km

Timeline

Recent seismic activity

Latest 11 events shown

UTC	Magnitude	Region	Depth
2026-04-05 23:17	M 4.0	Tokyo Japan	138.6 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
2025-09-05 12:00	M 4.2	Saitama Japan	70.0 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
2025-07-23 12:49	M 4.3	Numazu Japan	10.0 km
2025-05-04 03:35	M 4.5	Tokyo Japan	77.8 km

Monthly profile

Recent monthly trend

2025-07 1 events

2025-08 2 events

2025-09 1 events

2026-02 3 events

2026-03 2 events

2026-04 1 events

Historic snapshot

Earthquakes history

Strongest years

1923 M 8.0 max · 4 earthquakes 1924 M 7.0 max · 1 earthquakes 1930 M 6.9 max · 2 earthquakes 1931 M 6.5 max · 4 earthquakes 1922 M 6.3 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.9	6
2025	M 4.5	11
2024	M 5.2	16
2023	M 4.7	8
2022	M 4.8	9
2021	M 4.8	9
2020	M 4.7	8
2019	M 4.6	9
2018	M 4.8	7
2017	M 4.7	7
2016	M 5.4	12
2015	M 5.1	9
2014	M 4.8	10
2013	M 4.8	6
2012	M 5.5	19
2011	M 6.0	12
2010	M 4.5	4
2009	M 5.1	7
2008	M 4.9	13
2007	M 5.9	14
2006	M 5.1	15
2005	M 5.5	16
2004	M 4.7	10
2003	M 5.2	5
2002	M 4.3	5
2001	M 4.9	12
2000	M 4.8	9
1999	M 4.9	6
1998	M 5.6	10
1997	M 5.6	11
1996	M 5.6	17
1995	M 5.3	11
1994	M 5.1	4
1993	M 5.2	6
1992	M 4.9	4
1991	M 5.2	6
1990	M 5.4	6
1989	M 5.6	11
1988	M 5.6	25
1987	M 5.1	7
1986	M 4.8	6
1985	M 4.9	9
1984	M 5.3	7
1983	M 5.7	11
1982	M 4.8	3
1981	M 5.2	5
1980	M 5.4	7
1979	M 4.8	4
1978	M 5.7	3
1977	M 5.4	3
1976	M 5.4	9
1975	M 4.5	1
1974	M 5.6	3
1973	M 5.0	3
1971	M 5.5	1
1968	M 6.1	1
1967	M 5.6	1
1965	M 5.6	1
1959	M 5.7	1
1935	M 6.1	1
1931	M 6.5	4
1930	M 6.9	2
1929	M 6.2	1
1927	M 5.6	1
1924	M 7.0	1
1923	M 8.0	4
1922	M 6.3	1
1921	M 6.0	1
1918	M 6.1	1