EZ Earthquakes Zone earthquakes.zone

Earthquakes by city Japan 100 km

Seismic city profile

Hitachi-Naka

Hitachi-Naka, Japan: 3139 earthquakes of magnitude 4.0+ detected within 100 km.

Population

156,581

Residents in the indexed city record.

Earthquakes

3139

Earthquakes at M4.0+ nearby.

Max magnitude

7.9

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 36.397, 140.535

Nearby activity pulse

Last 30 days

1

Last 12 months

49

Last nearby event: 2026-04-01 01:06 UTC

Strongest nearby event

M 7.9

JP

2011-03-11 06:15 UTC

Map

Earthquakes within 100 km of Hitachi-Naka

The map centers on Hitachi-Naka and highlights the most recent earthquakes detected within 100 km.

Average magnitude

4.6

Average depth

51.3 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-04-01 01:06	M 4.9	Kashiwa Japan	57.2 km
2026-03-14 11:17	M 4.2	Hitachi Japan	46.4 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
2026-02-03 09:03	M 4.6	Iwaki Japan	61.9 km
2026-01-30 18:47	M 4.3	Mito Japan	56.9 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
2025-12-18 13:57	M 4.4	Iwaki Japan	54.6 km
2025-12-13 22:52	M 4.4	Iwaki Japan	60.2 km
2025-12-12 10:05	M 4.8	Tsukuba Japan	62.9 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
2025-10-11 03:30	M 4.5	Iwaki Japan	35.0 km
2025-09-19 18:02	M 4.6	Mito Japan	38.9 km
2025-09-05 12:00	M 4.2	Saitama Japan	70.0 km
2025-08-31 21:53	M 4.4	Chiba Japan	51.8 km
2025-08-29 16:13	M 4.2	Hitachi Japan	64.8 km

Monthly profile

Recent monthly trend

2025-08 2 events

2025-09 2 events

2025-10 3 events

2025-11 3 events

2025-12 4 events

2026-01 3 events

2026-02 6 events

2026-03 1 events

2026-04 1 events

Historic snapshot

Earthquakes history

Strongest years

2011 M 7.9 max · 676 earthquakes 1938 M 7.7 max · 6 earthquakes 1924 M 7.1 max · 4 earthquakes 1965 M 7.0 max · 10 earthquakes 2008 M 6.9 max · 78 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.9	11
2025	M 4.9	54
2024	M 5.6	61
2023	M 6.1	75
2022	M 5.4	67
2021	M 5.2	52
2020	M 5.8	69
2019	M 5.1	48
2018	M 5.4	58
2017	M 5.6	76
2016	M 5.9	91
2015	M 5.2	84
2014	M 5.6	116
2013	M 5.6	101
2012	M 6.0	189
2011	M 7.9	676
2010	M 5.1	38
2009	M 5.7	27
2008	M 6.9	78
2007	M 5.0	44
2006	M 5.7	47
2005	M 6.3	61
2004	M 6.0	41
2003	M 5.7	40
2002	M 5.6	23
2001	M 5.3	34
2000	M 6.2	38
1999	M 5.3	17
1998	M 5.5	27
1997	M 5.9	20
1996	M 5.5	27
1995	M 6.0	27
1994	M 5.5	28
1993	M 5.6	16
1992	M 5.7	32
1991	M 6.0	27
1990	M 6.3	33
1989	M 6.1	34
1988	M 5.2	21
1987	M 5.9	31
1986	M 6.2	29
1985	M 5.9	40
1984	M 5.7	41
1983	M 5.9	42
1982	M 5.6	59
1981	M 5.5	22
1980	M 5.4	20
1979	M 5.8	23
1978	M 5.7	27
1977	M 5.6	18
1976	M 5.0	18
1975	M 5.5	31
1974	M 6.0	26
1973	M 5.9	31
1971	M 5.5	3
1969	M 5.7	2
1968	M 5.8	1
1967	M 5.8	2
1966	M 5.6	1
1965	M 7.0	10
1964	M 6.3	2
1963	M 6.3	3
1962	M 5.8	1
1961	M 5.9	1
1960	M 5.7	1
1958	M 5.6	1
1956	M 6.3	2
1955	M 5.9	1
1954	M 6.3	2
1951	M 5.9	1
1950	M 6.0	1
1949	M 6.3	2
1948	M 6.3	2
1947	M 5.9	1
1946	M 6.0	1
1942	M 6.8	2
1941	M 6.2	1
1939	M 5.7	1
1938	M 7.7	6
1935	M 6.9	2
1932	M 6.0	1
1931	M 5.8	2
1930	M 6.1	2
1929	M 5.8	2
1928	M 6.1	4
1927	M 5.9	2
1926	M 5.6	1
1924	M 7.1	4
1922	M 6.0	1
1921	M 6.4	1