Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Iwamizawa today

Iwamizawa, Japan: 328 earthquakes of magnitude 4.0+ detected within 100 km.

Population

85,107

Residents in the indexed city record.

Earthquakes

328

Earthquakes at M4.0+ nearby.

Max magnitude

6.8

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 43.200, 141.760

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-01-11 11:11 UTC

Strongest nearby event

M 6.8

Tomakomai, Japan

1913-02-20 08:59 UTC

Updated today

Earthquake in Iwamizawa today

No earthquake of magnitude M4.0+ has been detected today within 100 km of Iwamizawa.

No M4.0+ event has been observed in the last 30 days around Iwamizawa.

The strongest earthquake recorded near Iwamizawa reached magnitude 6.8 on 1913-02-20 08:59 UTC, near Tomakomai.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Iwamizawa today?

No earthquake of magnitude M4.0+ has been detected today within 100 km of Iwamizawa.

When was the last earthquake near Iwamizawa?

The last nearby earthquake was recorded on 2026-01-11 11:11 UTC.

What is the strongest earthquake recorded near Iwamizawa?

The strongest earthquake recorded near Iwamizawa reached magnitude 6.8 on 1913-02-20 08:59 UTC, near Tomakomai.

Map

Earthquakes within 100 km of Iwamizawa

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

Average magnitude

4.5

Average depth

102.7 km

Timeline

Recent seismic activity

Latest 7 events shown

UTC	Magnitude	Region	Depth
2026-01-11 11:11	M 4.2	Tomakomai Japan	137.9 km
2026-01-01 15:56	M 4.2	Asahikawa Japan	190.1 km
2025-11-01 16:46	M 4.4	Tomakomai Japan	138.1 km
2025-10-12 06:13	M 4.3	Sapporo Japan	130.2 km
2025-10-05 06:30	M 4.3	Tomakomai Japan	124.6 km
2025-08-14 07:31	M 4.3	Tomakomai Japan	127.5 km
2025-05-12 21:33	M 4.5	Tomakomai Japan	123.6 km

Monthly profile

Recent monthly trend

2025-08 1 events

2025-10 2 events

2025-11 1 events

2026-01 2 events

Historic snapshot

Earthquakes history

Strongest years

1913 M 6.8 max · 1 earthquakes 2018 M 6.6 max · 58 earthquakes 1981 M 6.3 max · 3 earthquakes 2023 M 6.2 max · 9 earthquakes 2011 M 6.1 max · 9 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.2	2
2025	M 4.9	8
2024	M 4.5	6
2023	M 6.2	9
2022	M 4.6	7
2021	M 5.3	7
2020	M 5.0	6
2019	M 5.4	16
2018	M 6.6	58
2017	M 5.3	10
2016	M 4.6	9
2015	M 4.7	9
2014	M 5.5	7
2013	M 4.5	4
2012	M 4.8	7
2011	M 6.1	9
2010	M 4.8	4
2009	M 5.5	6
2008	M 4.5	6
2007	M 5.5	5
2006	M 4.4	9
2005	M 4.4	3
2004	M 4.4	4
2003	M 4.6	5
2002	M 4.5	3
2001	M 4.8	4
2000	M 4.8	9
1999	M 4.4	3
1998	M 4.2	3
1997	M 4.6	4
1996	M 4.6	1
1995	M 5.6	3
1994	M 5.0	4
1993	M 4.8	10
1992	M 4.4	2
1991	M 4.4	2
1990	M 4.9	4
1989	M 4.5	2
1988	M 6.0	3
1987	M 5.1	5
1986	M 5.2	1
1985	M 5.2	5
1984	M 5.3	3
1983	M 4.8	3
1982	M 5.1	9
1981	M 6.3	3
1980	M 4.6	2
1979	M 5.0	5
1978	M 5.0	5
1977	M 5.1	2
1975	M 4.6	2
1974	M 6.0	4
1973	M 4.4	1
1969	M 5.9	1
1967	M 5.7	1
1966	M 5.8	1
1927	M 6.0	1
1913	M 6.8	1