EZ Earthquakes Zone earthquakes.zone

Earthquakes by city Japan 100 km

Seismic city profile

Iwaki

Iwaki, Japan: 2754 earthquakes of magnitude 4.0+ detected within 100 km.

Population

357,309

Residents in the indexed city record.

Earthquakes

2754

Earthquakes at M4.0+ nearby.

Max magnitude

7.9

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 37.050, 140.883

Nearby activity pulse

Last 30 days

1

Last 12 months

40

Last nearby event: 2026-05-05 19:35 UTC

Strongest nearby event

M 7.9

JP

2011-03-11 06:15 UTC

Map

Earthquakes within 100 km of Iwaki

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

Average magnitude

4.6

Average depth

44.8 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-05-05 19:35	M 4.3	Kōriyama Japan	109.9 km
2026-04-05 17:28	M 4.1	Iwaki Japan	66.4 km
2026-03-24 14:03	M 4.2	Iwaki Japan	53.6 km
2026-03-10 06:28	M 4.5	Minami-Sōma Japan	70.8 km
2026-02-15 08:28	M 4.3	Iwaki Japan	52.7 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
2026-01-23 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
2025-11-29 12:23	M 4.0	Kōriyama Japan	113.5 km
2025-11-14 15:01	M 4.2	Iwaki Japan	53.4 km
2025-11-11 21:50	M 4.2	Mito Japan	68.5 km
2025-10-30 08:00	M 4.6	Iwaki Japan	25.6 km
2025-10-30 07:55	M 4.4	Iwaki Japan	51.1 km
2025-10-11 03:30	M 4.5	Iwaki Japan	35.0 km
2025-10-07 00:30	M 5.1	Minami-Sōma Japan	57.8 km
2025-10-04 15:21	M 5.9	Iwaki Japan	54.2 km
2025-10-03 06:20	M 4.6	Iwaki Japan	74.0 km
2025-09-19 18:02	M 4.6	Mito Japan	38.9 km
2025-09-15 08:43	M 4.2	Iwaki Japan	35.0 km
2025-09-08 14:04	M 4.5	Iwaki Japan	44.4 km
2025-08-29 16:51	M 4.9	Iwaki Japan	47.8 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 3 events

2025-10 6 events

2025-11 3 events

2025-12 3 events

2026-01 2 events

2026-02 2 events

2026-03 2 events

2026-04 1 events

2026-05 1 events

Historic snapshot

Earthquakes history

Strongest years

2011 M 7.9 max · 751 earthquakes 1938 M 7.7 max · 15 earthquakes 2022 M 7.3 max · 55 earthquakes 1965 M 7.0 max · 4 earthquakes 2016 M 6.9 max · 161 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.6	8
2025	M 5.9	41
2024	M 5.6	36
2023	M 4.9	44
2022	M 7.3	55
2021	M 5.4	67
2020	M 5.8	48
2019	M 5.0	36
2018	M 5.6	61
2017	M 5.8	81
2016	M 6.9	161
2015	M 5.3	60
2014	M 5.9	95
2013	M 6.0	89
2012	M 5.7	172
2011	M 7.9	751
2010	M 6.5	36
2009	M 5.7	27
2008	M 5.2	59
2007	M 5.9	27
2006	M 5.1	26
2005	M 6.3	35
2004	M 6.0	38
2003	M 5.7	25
2002	M 5.6	17
2001	M 5.4	23
2000	M 6.0	24
1999	M 5.3	19
1998	M 5.5	22
1997	M 5.9	12
1996	M 4.8	17
1995	M 4.9	15
1994	M 5.0	16
1993	M 5.3	15
1992	M 5.7	19
1991	M 5.4	18
1990	M 6.1	21
1989	M 5.6	23
1988	M 5.6	17
1987	M 6.8	43
1986	M 6.2	27
1985	M 5.4	23
1984	M 5.7	36
1983	M 5.5	24
1982	M 5.6	42
1981	M 5.2	9
1980	M 5.4	9
1979	M 5.8	16
1978	M 5.5	21
1977	M 5.6	6
1976	M 5.6	16
1975	M 5.5	18
1974	M 6.0	18
1973	M 5.8	19
1972	M 5.5	1
1971	M 5.5	4
1969	M 5.7	3
1968	M 5.8	2
1967	M 6.0	2
1966	M 5.6	2
1965	M 7.0	4
1964	M 6.2	1
1963	M 6.3	2
1960	M 5.7	1
1959	M 5.8	1
1958	M 5.5	1
1957	M 5.4	1
1954	M 5.8	1
1950	M 6.0	1
1949	M 6.5	1
1948	M 6.3	2
1947	M 5.9	1
1946	M 6.1	1
1942	M 6.8	1
1941	M 6.2	1
1939	M 5.7	3
1938	M 7.7	15
1935	M 6.9	3
1934	M 6.0	1
1931	M 5.8	2
1930	M 6.1	1
1929	M 5.8	3
1928	M 6.1	2
1927	M 5.9	2
1924	M 6.1	2
1922	M 6.0	1
1920	M 6.3	1
1908	M 6.8	1