EZ Earthquakes Zone earthquakes.zone

Earthquakes by city Japan 100 km

Seismic city profile

Mobara

Mobara, Japan: 2403 earthquakes of magnitude 4.0+ detected within 100 km.

Population

88,330

Residents in the indexed city record.

Earthquakes

2403

Earthquakes at M4.0+ nearby.

Max magnitude

8.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.426, 140.296

Nearby activity pulse

Last 30 days

2

Last 12 months

42

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

Strongest nearby event

M 8.0

JP

Fujisawa, Japan

1923-09-01 02:58 UTC

Map

Earthquakes within 100 km of Mobara

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

Average magnitude

4.6

Average depth

54.5 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
2026-02-26 11:55	M 4.4	Kamisu Japan	40.8 km
2026-02-19 08:24	M 4.4	Isumi Japan	10.0 km
2026-02-10 16:12	M 4.0	Kisarazu Japan	59.2 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
2026-02-03 18:36	M 4.1	Hasaki Japan	34.9 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
2026-01-17 16:49	M 4.3	Chiba Japan	72.1 km
2026-01-14 02:50	M 4.3	Hasaki Japan	37.3 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 22:17	M 4.7	Mobara Japan	35.0 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
2025-09-19 18:02	M 4.6	Mito Japan	38.9 km

Monthly profile

Recent monthly trend

2025-09 1 events

2025-10 4 events

2025-11 4 events

2025-12 1 events

2026-01 6 events

2026-02 6 events

2026-03 1 events

2026-04 2 events

Historic snapshot

Earthquakes history

Strongest years

1923 M 8.0 max · 5 earthquakes 1924 M 7.0 max · 2 earthquakes 1987 M 6.7 max · 38 earthquakes 1986 M 6.6 max · 18 earthquakes 1911 M 6.6 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.9	15
2025	M 4.8	39
2024	M 5.2	78
2023	M 6.1	71
2022	M 5.0	70
2021	M 5.9	46
2020	M 5.9	57
2019	M 5.3	52
2018	M 5.9	59
2017	M 5.4	58
2016	M 5.4	73
2015	M 5.1	63
2014	M 6.0	74
2013	M 5.6	60
2012	M 6.1	97
2011	M 6.2	304
2010	M 5.1	25
2009	M 5.8	26
2008	M 5.1	48
2007	M 5.2	61
2006	M 5.1	48
2005	M 5.9	61
2004	M 5.8	48
2003	M 5.7	32
2002	M 5.4	23
2001	M 5.0	22
2000	M 6.2	31
1999	M 5.4	19
1998	M 5.7	28
1997	M 5.2	27
1996	M 6.2	33
1995	M 5.3	22
1994	M 5.1	25
1993	M 5.2	14
1992	M 5.8	30
1991	M 6.0	23
1990	M 6.3	28
1989	M 6.1	24
1988	M 5.7	31
1987	M 6.7	38
1986	M 6.6	18
1985	M 5.9	37
1984	M 5.4	28
1983	M 5.9	40
1982	M 5.7	38
1981	M 5.6	21
1980	M 6.0	27
1979	M 5.5	16
1978	M 5.9	29
1977	M 5.5	25
1976	M 5.0	9
1975	M 5.9	22
1974	M 5.8	23
1973	M 5.9	35
1971	M 5.5	2
1967	M 5.8	2
1965	M 5.7	3
1962	M 5.8	1
1961	M 5.9	1
1956	M 6.3	3
1955	M 5.9	2
1954	M 6.3	1
1952	M 6.0	1
1951	M 6.1	2
1950	M 6.1	1
1946	M 6.0	1
1941	M 6.0	1
1940	M 6.2	1
1938	M 6.2	2
1937	M 6.4	1
1935	M 5.7	2
1932	M 6.0	1
1931	M 6.1	2
1930	M 6.2	3
1929	M 6.2	1
1928	M 5.9	2
1926	M 5.7	2
1925	M 5.7	1
1924	M 7.0	2
1923	M 8.0	5
1922	M 6.3	1
1921	M 6.4	2
1916	M 5.9	1
1911	M 6.6	1
1909	M 5.8	1