Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Ōta today

Ōta, Japan: 1021 earthquakes of magnitude 4.0+ detected within 100 km.

Population

224,358

Residents in the indexed city record.

Earthquakes

1021

Earthquakes at M4.0+ nearby.

Max magnitude

7.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 36.300, 139.367

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-09-28 19:45 UTC

Strongest nearby event

M 7.0

Kawagoe, Japan

1924-01-14 20:50 UTC

Updated today

Earthquake in Ōta today

1 earthquake(s) of magnitude M4.0+ have been detected today within 100 km of Ōta. The most recent reached M4.9 at 19:45 UTC near Saitama.

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

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

Status today

1 earthquake(s) today

Strongest today

M 4.9

Was there an earthquake in Ōta today?

1 earthquake(s) of magnitude M4.0+ have been detected today within 100 km of Ōta. The most recent reached M4.9 at 19:45 UTC near Saitama.

When was the last earthquake near Ōta?

The last nearby earthquake was recorded on 2026-09-28 19:45 UTC.

What is the strongest earthquake recorded near Ōta?

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

Map

Earthquakes within 100 km of Ōta

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

Average magnitude

4.5

Average depth

73.7 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-09-28 19:45	M 4.9	Saitama Japan	71.0 km
2026-09-16 15:07	M 5.0	Kashiwa Japan	77.3 km
2026-08-22 17:00	M 5.8	Matsudo Japan	61.0 km
2026-06-26 18:59	M 4.2	Chiba Japan	74.2 km
2026-06-26 13:29	M 5.2	Sagamihara Japan	43.2 km
2026-06-26 02:48	M 4.3	Saitama Japan	53.9 km
2026-06-16 10:55	M 4.4	Matsudo Japan	42.4 km
2026-06-16 10:46	M 5.3	Kasukabe Japan	63.6 km
2026-05-24 18:00	M 4.0	Aihara Japan	148.1 km
2026-05-22 12:39	M 4.1	Mito Japan	102.4 km
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
2026-03-15 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
2026-01-25 02:46	M 4.3	Oyama Japan	82.6 km
2026-01-23 21:20	M 4.0	Hitachiomiya Japan	56.6 km
2025-12-29 21:00	M 4.0	Hitachi-ota Japan	10.0 km
2025-12-12 10:05	M 4.8	Tsukuba Japan	62.9 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
2025-10-26 03:04	M 4.6	Kiryū Japan	12.4 km
2025-10-24 06:47	M 4.6	Chiba Japan	76.7 km

Monthly profile

Recent monthly trend

2025-11 2 events

2025-12 2 events

2026-01 2 events

2026-02 3 events

2026-03 1 events

2026-04 2 events

2026-05 2 events

2026-06 5 events

2026-08 1 events

2026-09 2 events

Historic snapshot

Earthquakes history

Strongest years

1985 M 5.9 max · 22 earthquakes 1983 M 5.9 max · 23 earthquakes 2026 M 5.8 max · 18 earthquakes 2013 M 5.8 max · 24 earthquakes 2011 M 5.8 max · 52 earthquakes

Year	Max magnitude	Earthquakes
2026	M 5.8	18
2025	M 4.8	28
2024	M 5.2	33
2023	M 4.9	27
2022	M 5.0	27
2021	M 5.0	27
2020	M 5.3	22
2019	M 5.0	18
2018	M 4.9	18
2017	M 5.1	33
2016	M 5.4	38
2015	M 5.1	32
2014	M 5.5	33
2013	M 5.8	24
2012	M 5.5	37
2011	M 5.8	52
2010	M 4.8	8
2009	M 5.1	10
2008	M 5.2	27
2007	M 4.6	20
2006	M 5.1	23
2005	M 5.5	29
2004	M 5.8	20
2003	M 5.3	13
2002	M 4.9	9
2001	M 5.0	20
2000	M 4.9	13
1999	M 5.2	8
1998	M 5.4	11
1997	M 5.2	9
1996	M 5.5	17
1995	M 5.1	16
1994	M 5.1	9
1993	M 5.2	7
1992	M 5.0	9
1991	M 5.2	15
1990	M 5.2	12
1989	M 5.6	11
1988	M 5.6	13
1987	M 5.1	19
1986	M 4.8	12
1985	M 5.9	22
1984	M 5.4	17
1983	M 5.9	23
1982	M 5.6	13
1981	M 5.2	9
1980	M 5.4	11
1979	M 5.4	10
1978	M 5.7	10
1977	M 5.4	10
1976	M 5.4	13
1975	M 5.3	17
1974	M 5.6	6
1973	M 5.1	12