Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Sanjō today

Sanjō, Japan: 310 earthquakes of magnitude 4.0+ detected within 100 km.

Population

94,642

Residents in the indexed city record.

Earthquakes

310

Earthquakes at M4.0+ nearby.

Max magnitude

7.6

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 37.617, 138.950

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-05-31 20:54 UTC

Strongest nearby event

M 7.6

Shibata, Japan

1964-06-16 04:01 UTC

Updated today

Earthquake in Sanjō today

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

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

The strongest earthquake recorded near Sanjō reached magnitude 7.6 on 1964-06-16 04:01 UTC, near Shibata.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Sanjō today?

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

When was the last earthquake near Sanjō?

The last nearby earthquake was recorded on 2026-05-31 20:54 UTC.

What is the strongest earthquake recorded near Sanjō?

The strongest earthquake recorded near Sanjō reached magnitude 7.6 on 1964-06-16 04:01 UTC, near Shibata.

Map

Earthquakes within 100 km of Sanjō

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

Average magnitude

4.6

Average depth

41.8 km

Timeline

Recent seismic activity

Latest 4 events shown

UTC	Magnitude	Region	Depth
2026-05-31 20:54	M 4.4	Jōetsu Japan	25.2 km
2026-02-13 04:58	M 4.8	Niigata Japan	177.1 km
2025-09-15 19:00	M 4.3	Nagaoka Japan	185.8 km
2025-06-10 18:14	M 4.2	Aizu-Wakamatsu Japan	130.9 km

Monthly profile

Recent monthly trend

2025-09 1 events

2026-02 1 events

2026-05 1 events

Historic snapshot

Earthquakes history

Strongest years

1964 M 7.6 max · 3 earthquakes 2007 M 6.6 max · 12 earthquakes 2004 M 6.6 max · 88 earthquakes 1916 M 6.3 max · 1 earthquakes 2011 M 6.2 max · 21 earthquakes

Year	Max magnitude	Earthquakes
2026	M 4.8	2
2025	M 4.8	6
2023	M 4.6	2
2022	M 4.2	3
2021	M 4.6	4
2020	M 5.1	4
2019	M 4.4	2
2018	M 4.9	2
2017	M 4.5	2
2016	M 4.9	2
2015	M 4.8	1
2014	M 5.2	5
2013	M 5.8	10
2012	M 5.4	10
2011	M 6.2	21
2010	M 5.5	9
2009	M 4.7	4
2008	M 4.3	5
2007	M 6.6	12
2006	M 4.5	2
2005	M 4.9	15
2004	M 6.6	88
2003	M 5.1	2
2002	M 4.6	3
2001	M 5.3	6
2000	M 4.6	5
1999	M 4.5	1
1998	M 5.1	4
1997	M 4.3	1
1996	M 5.7	8
1995	M 5.4	11
1994	M 5.3	2
1993	M 4.5	2
1992	M 4.2	1
1991	M 4.7	2
1990	M 5.3	11
1989	M 4.7	2
1987	M 5.7	6
1986	M 5.3	2
1984	M 4.7	2
1983	M 4.5	3
1982	M 5.1	2
1981	M 4.7	2
1979	M 5.1	4
1976	M 4.7	3
1975	M 4.9	1
1973	M 4.8	2
1971	M 5.7	2
1966	M 5.8	1
1964	M 7.6	3
1943	M 5.9	1
1934	M 5.7	1
1933	M 6.0	1
1927	M 5.6	1
1916	M 6.3	1