Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Kosai today

Kosai, Japan: 250 earthquakes of magnitude 4.0+ detected within 100 km.

Population

59,770

Residents in the indexed city record.

Earthquakes

250

Earthquakes at M4.0+ nearby.

Max magnitude

7.4

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 34.701, 137.523

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2025-09-13 20:00 UTC

Strongest nearby event

M 7.4

Hamamatsu, Japan

1906-01-21 13:49 UTC

Updated today

Earthquake in Kosai today

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

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

The strongest earthquake recorded near Kosai reached magnitude 7.4 on 1906-01-21 13:49 UTC, near Hamamatsu.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Kosai today?

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

When was the last earthquake near Kosai?

The last nearby earthquake was recorded on 2025-09-13 20:00 UTC.

What is the strongest earthquake recorded near Kosai?

The strongest earthquake recorded near Kosai reached magnitude 7.4 on 1906-01-21 13:49 UTC, near Hamamatsu.

Map

Earthquakes within 100 km of Kosai

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

Average magnitude

4.5

Average depth

218.6 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-05-21 01:06	M 4.2	Shima Japan	329.8 km
2025-09-13 20:00	M 4.1	Shima Japan	333.7 km
2025-08-17 23:33	M 4.8	Hamamatsu Japan	10.0 km
2025-07-31 23:24	M 4.8	Ise Japan	337.2 km
2025-04-08 10:26	M 4.4	Toyota Japan	30.2 km
2025-02-09 14:42	M 4.1	Ise Japan	333.9 km
2024-11-25 06:49	M 4.4	Toyohashi Japan	344.8 km
2024-07-18 07:46	M 4.0	Hamamatsu Japan	323.0 km
2024-06-05 01:54	M 4.1	Shima Japan	361.9 km
2024-04-27 20:43	M 4.7	Toyota Japan	291.0 km
2024-04-21 12:28	M 4.3	Shima Japan	328.9 km
2024-04-17 10:16	M 4.1	Nagoya Japan	305.5 km
2023-11-27 20:35	M 4.6	Hamamatsu Japan	297.9 km
2023-10-14 07:22	M 4.0	Ise Japan	353.9 km
2023-08-04 22:35	M 4.0	Shima Japan	352.5 km
2023-04-04 21:24	M 4.2	Toyota Japan	42.1 km
2023-03-06 00:46	M 4.0	Shima Japan	339.7 km
2023-02-28 16:51	M 4.2	Nagoya Japan	300.8 km
2022-11-25 07:04	M 4.5	Hamamatsu Japan	319.8 km
2022-08-07 08:49	M 4.2	Kakamigahara Japan	277.7 km
2022-07-29 14:40	M 4.2	Kikugawa Japan	230.3 km
2022-07-13 21:17	M 4.3	Nishio Japan	336.2 km
2022-05-25 07:09	M 4.2	Shima Japan	337.3 km
2022-05-09 08:33	M 5.3	Ise Japan	329.0 km
2022-04-07 00:30	M 4.6	Toyohashi Japan	10.2 km

Monthly profile

Recent monthly trend

2025-09 1 events

2026-05 1 events

Historic snapshot

Earthquakes history

No historic yearly data to display yet.

Year	Max magnitude	Earthquakes