Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Iwaki today

Iwaki, Japan: 2761 earthquakes of magnitude 4.0+ detected within 100 km.

Population

357,309

Residents in the indexed city record.

Earthquakes

2761

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

Last 12 months

Last nearby event: 2026-09-14 10:59 UTC

Strongest nearby event

M 7.9

Mito, Japan

2011-03-11 06:15 UTC

Updated today

Earthquake in Iwaki today

1 earthquake(s) of magnitude M4.0+ have been detected today within 100 km of Iwaki. The most recent reached M4.6 at 10:59 UTC near Minami-Sōma.

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

The strongest earthquake recorded near Iwaki reached magnitude 7.9 on 2011-03-11 06:15 UTC, near Mito.

Status today

1 earthquake(s) today

Strongest today

M 4.6

Was there an earthquake in Iwaki today?

1 earthquake(s) of magnitude M4.0+ have been detected today within 100 km of Iwaki. The most recent reached M4.6 at 10:59 UTC near Minami-Sōma.

When was the last earthquake near Iwaki?

The last nearby earthquake was recorded on 2026-09-14 10:59 UTC.

What is the strongest earthquake recorded near Iwaki?

The strongest earthquake recorded near Iwaki reached magnitude 7.9 on 2011-03-11 06:15 UTC, near Mito.

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
2026-09-14 10:59	M 4.6	Minami-Sōma Japan	51.3 km
2026-08-15 01:10	M 4.7	Iwaki Japan	50.2 km
2026-08-07 18:41	M 4.2	Hitachi Japan	10.0 km
2026-07-22 11:11	M 4.4	Iwaki Japan	47.6 km
2026-06-18 22:33	M 4.3	Iwaki Japan	55.6 km
2026-06-01 15:51	M 4.3	Shirakawa Japan	53.2 km
2026-05-24 06:08	M 4.2	Hitachi Japan	65.5 km
2026-05-22 12:39	M 4.1	Mito Japan	102.4 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

Monthly profile

Recent monthly trend

2025-10 2 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 2 events

2026-06 2 events

2026-07 1 events

2026-08 2 events

2026-09 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 2016 M 6.9 max · 161 earthquakes 1987 M 6.8 max · 43 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.7	15
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
1938	M 7.7	15