Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Aisai today

Aisai, Japan: 244 earthquakes of magnitude 4.0+ detected within 100 km.

Population

60,829

Residents in the indexed city record.

Earthquakes

244

Earthquakes at M4.0+ nearby.

Max magnitude

6.9

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.163, 136.732

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2025-08-24 16:44 UTC

Strongest nearby event

M 6.9

Ono, Japan

1909-08-14 06:30 UTC

Updated today

Earthquake in Aisai today

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

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

The strongest earthquake recorded near Aisai reached magnitude 6.9 on 1909-08-14 06:30 UTC, near Ono.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Aisai today?

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

When was the last earthquake near Aisai?

The last nearby earthquake was recorded on 2025-08-24 16:44 UTC.

What is the strongest earthquake recorded near Aisai?

The strongest earthquake recorded near Aisai reached magnitude 6.9 on 1909-08-14 06:30 UTC, near Ono.

Map

Earthquakes within 100 km of Aisai

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

Average magnitude

4.5

Average depth

181.5 km

Timeline

Recent seismic activity

Latest 2 events shown

UTC	Magnitude	Region	Depth
2025-08-24 16:44	M 4.1	Tsuruga Japan	10.0 km
2025-07-31 23:24	M 4.8	Ise Japan	337.2 km

Monthly profile

Recent monthly trend

2025-07 1 events

2025-08 1 events

Historic snapshot

Earthquakes history

Strongest years

1909 M 6.9 max · 1 earthquakes 1945 M 6.6 max · 2 earthquakes 1969 M 6.3 max · 1 earthquakes 1984 M 6.2 max · 8 earthquakes 1971 M 5.9 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2025	M 4.8	4
2024	M 4.7	4
2023	M 4.4	6
2022	M 5.3	9
2021	M 4.5	5
2020	M 4.9	5
2019	M 4.5	3
2018	M 4.8	6
2017	M 4.4	3
2016	M 4.7	5
2015	M 4.6	5
2014	M 5.0	6
2013	M 5.6	4
2012	M 4.7	1
2011	M 5.1	3
2009	M 5.1	2
2008	M 4.7	6
2007	M 5.1	11
2006	M 4.3	10
2005	M 5.0	12
2004	M 4.4	7
2003	M 4.6	8
2002	M 4.8	5
2001	M 4.9	7
2000	M 4.5	7
1999	M 5.1	8
1998	M 5.2	6
1997	M 5.6	3
1996	M 5.1	3
1995	M 4.4	6
1994	M 5.1	2
1993	M 4.5	3
1992	M 4.9	1
1991	M 4.6	1
1990	M 4.9	4
1989	M 4.8	3
1988	M 4.6	3
1987	M 4.6	3
1986	M 5.2	3
1985	M 4.8	4
1984	M 6.2	8
1983	M 5.3	2
1982	M 4.5	2
1981	M 4.8	3
1980	M 4.7	1
1979	M 4.9	5
1978	M 5.2	2
1977	M 4.4	2
1976	M 4.7	1
1975	M 4.9	5
1974	M 5.0	6
1973	M 4.3	2
1972	M 5.8	1
1971	M 5.9	1
1969	M 6.3	1
1945	M 6.6	2
1934	M 5.9	1
1909	M 6.9	1
1906	M 5.8	1