Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Okayama today

Okayama, Japan: 80 earthquakes of magnitude 4.0+ detected within 100 km.

Population

724,691

Residents in the indexed city record.

Earthquakes

Earthquakes at M4.0+ nearby.

Max magnitude

7.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 34.650, 133.933

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2025-06-29 00:59 UTC

Strongest nearby event

M 7.0

Tottori-shi, Japan

1943-09-10 08:36 UTC

Updated today

Earthquake in Okayama today

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

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

The strongest earthquake recorded near Okayama reached magnitude 7.0 on 1943-09-10 08:36 UTC, near Tottori-shi.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Okayama today?

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

When was the last earthquake near Okayama?

The last nearby earthquake was recorded on 2025-06-29 00:59 UTC.

What is the strongest earthquake recorded near Okayama?

The strongest earthquake recorded near Okayama reached magnitude 7.0 on 1943-09-10 08:36 UTC, near Tottori-shi.

Map

Earthquakes within 100 km of Okayama

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

Average magnitude

4.7

Average depth

33.9 km

Timeline

Recent seismic activity

Latest 1 events shown

UTC	Magnitude	Region	Depth
2025-06-29 00:59	M 4.4	Yonago Japan	10.0 km

Monthly profile

Recent monthly trend

2025-06 1 events

Historic snapshot

Earthquakes history

Strongest years

1943 M 7.0 max · 4 earthquakes 1995 M 6.9 max · 12 earthquakes 2016 M 6.2 max · 6 earthquakes 1930 M 5.8 max · 2 earthquakes 2013 M 5.8 max · 3 earthquakes

Year	Max magnitude	Earthquakes
2025	M 4.4	1
2022	M 4.9	3
2021	M 4.6	3
2018	M 4.6	1
2016	M 6.2	6
2015	M 4.2	3
2014	M 4.6	1
2013	M 5.8	3
2011	M 4.8	2
2007	M 5.1	1
2006	M 4.2	1
2005	M 4.8	1
2004	M 4.4	1
2003	M 4.7	1
2002	M 5.3	2
2001	M 4.7	4
2000	M 5.4	3
1999	M 4.5	2
1997	M 5.3	2
1996	M 4.0	1
1995	M 6.9	12
1994	M 4.4	1
1990	M 4.9	3
1989	M 5.0	2
1987	M 4.7	1
1985	M 4.7	2
1984	M 5.0	3
1983	M 5.5	3
1979	M 4.6	1
1974	M 4.1	1
1973	M 5.1	2
1961	M 5.6	1
1943	M 7.0	4
1930	M 5.8	2