Earthquakes by city Japan 100 km

Seismic city profile

Yachiyo

Yachiyo, Japan: 2375 earthquakes of magnitude 4.0+ detected within 100 km.

Population

199,498

Residents in the indexed city record.

Earthquakes

2375

Earthquakes at M4.0+ nearby.

Max magnitude

8.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.735, 140.124

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

Map

Earthquakes within 100 km of Yachiyo

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

Average magnitude

4.6

Average depth

58.0 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
2026-02-19 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
2026-02-03 18:36	M 4.1	Hasaki Japan	34.9 km
2026-01-30 18:47	M 4.3	Mito Japan	56.9 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
2026-01-25 02:46	M 4.3	Oyama Japan	82.6 km
2026-01-17 16:49	M 4.3	Chiba Japan	72.1 km
2026-01-14 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
2025-11-11 21:50	M 4.2	Mito Japan	68.5 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
2025-10-24 06:47	M 4.6	Chiba Japan	76.7 km
2025-10-03 03:48	M 4.5	Kawasaki Japan	106.4 km

Monthly profile

Recent monthly trend

2025-10 3 events

2025-11 5 events

2025-12 1 events

2026-01 8 events

2026-02 6 events

2026-04 2 events

Historic snapshot

Earthquakes history

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2010

286

2011

106

2012

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2015

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2018

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2021

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2023

2024

2025

2026

Year	Max magnitude	Earthquakes
2026	M 4.9	16
2025	M 4.9	44
2024	M 5.2	80
2023	M 6.1	72
2022	M 5.1	71
2021	M 5.9	47
2020	M 5.9	57
2019	M 5.2	52
2018	M 5.9	57
2017	M 5.4	60
2016	M 5.4	73
2015	M 5.2	68
2014	M 5.5	74
2013	M 5.6	62
2012	M 6.0	106
2011	M 6.2	286
2010	M 5.1	23
2009	M 5.8	27
2008	M 5.2	52
2007	M 5.2	54
2006	M 5.1	43
2005	M 6.3	61
2004	M 5.8	36
2003	M 5.7	36
2002	M 5.4	24
2001	M 5.0	24
2000	M 6.2	30
1999	M 5.4	18
1998	M 5.7	27
1997	M 5.2	27
1996	M 6.2	31
1995	M 5.3	23
1994	M 5.1	26
1993	M 5.2	11
1992	M 5.8	28
1991	M 6.0	22
1990	M 6.3	30
1989	M 6.1	25
1988	M 5.7	33
1987	M 6.7	32
1986	M 5.3	20
1985	M 5.9	36
1984	M 5.4	31
1983	M 5.9	41
1982	M 5.6	36
1981	M 5.6	19
1980	M 6.0	28
1979	M 5.5	18
1978	M 5.7	22
1977	M 5.4	25
1976	M 5.0	13
1975	M 5.3	25
1974	M 5.8	17
1973	M 5.9	29
1971	M 5.5	3
1969	M 5.6	1
1968	M 6.1	1
1967	M 5.8	2
1965	M 5.7	3
1956	M 6.3	3
1955	M 5.9	1
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
1938	M 5.5	1
1935	M 5.7	1
1931	M 6.5	4
1930	M 6.2	3
1929	M 6.2	1
1928	M 5.9	2
1926	M 5.7	2
1924	M 7.0	2
1923	M 8.0	5
1922	M 6.3	2
1921	M 6.4	2
1909	M 5.8	1