Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Okaya today

Okaya, Japan: 268 earthquakes of magnitude 4.0+ detected within 100 km.

Population

54,286

Residents in the indexed city record.

Earthquakes

268

Earthquakes at M4.0+ nearby.

Max magnitude

6.3

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 36.057, 138.045

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-18 05:54 UTC

Strongest nearby event

M 6.3

Gujō, Japan

1969-09-09 05:15 UTC

Updated today

Earthquake in Okaya today

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

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

The strongest earthquake recorded near Okaya reached magnitude 6.3 on 1969-09-09 05:15 UTC, near Gujō.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Okaya today?

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

When was the last earthquake near Okaya?

The last nearby earthquake was recorded on 2026-04-18 05:54 UTC.

What is the strongest earthquake recorded near Okaya?

The strongest earthquake recorded near Okaya reached magnitude 6.3 on 1969-09-09 05:15 UTC, near Gujō.

Map

Earthquakes within 100 km of Okaya

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

Average magnitude

4.5

Average depth

94.4 km

Timeline

Recent seismic activity

Latest 7 events shown

UTC	Magnitude	Region	Depth
2026-04-18 05:54	M 4.9	Chikuma Japan	10.0 km
2026-04-18 04:20	M 4.9	Chikuma Japan	10.0 km
2026-01-15 05:48	M 5.1	Matsumoto Japan	2.3 km
2026-01-15 05:40	M 4.7	Azumino Japan	7.8 km
2025-11-15 18:50	M 4.3	Takayama Japan	260.3 km
2025-08-23 10:22	M 4.1	Chichibu Japan	129.5 km
2025-05-29 06:28	M 4.3	Takayama Japan	10.0 km

Monthly profile

Recent monthly trend

2025-08 1 events

2025-11 1 events

2026-01 2 events

2026-04 2 events

Historic snapshot

Earthquakes history

Strongest years

1969 M 6.3 max · 1 earthquakes 1941 M 6.3 max · 1 earthquakes 2014 M 6.2 max · 15 earthquakes 1984 M 6.2 max · 8 earthquakes 1918 M 6.1 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2026	M 5.1	4
2025	M 4.8	5
2024	M 4.7	2
2023	M 4.1	1
2022	M 4.5	8
2021	M 5.1	6
2020	M 5.2	17
2019	M 4.6	2
2018	M 5.1	1
2017	M 5.2	6
2016	M 4.6	8
2015	M 4.9	6
2014	M 6.2	15
2013	M 4.5	4
2012	M 4.9	5
2011	M 6.0	22
2009	M 4.2	1
2008	M 4.4	5
2007	M 4.6	4
2006	M 4.3	5
2005	M 4.4	11
2004	M 4.8	6
2003	M 4.5	5
2002	M 4.4	3
2001	M 4.3	5
2000	M 4.4	3
1999	M 4.9	2
1998	M 5.5	16
1997	M 4.2	4
1996	M 4.7	3
1995	M 4.7	5
1993	M 4.5	7
1991	M 5.2	5
1990	M 4.4	8
1989	M 4.6	2
1988	M 4.2	3
1987	M 4.5	2
1986	M 5.6	6
1985	M 4.9	3
1984	M 6.2	8
1983	M 4.9	3
1981	M 4.6	3
1979	M 4.3	1
1978	M 5.3	3
1977	M 5.0	1
1976	M 5.0	5
1974	M 4.7	1
1973	M 4.9	1
1969	M 6.3	1
1968	M 5.6	1
1967	M 5.7	2
1966	M 5.8	7
1959	M 5.7	1
1941	M 6.3	1
1927	M 5.6	1
1918	M 6.1	1
1906	M 5.8	1