Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Minamibōsō today

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

Population

35,831

Residents in the indexed city record.

Earthquakes

250

Earthquakes at M4.0+ nearby.

Max magnitude

7.9

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.031, 139.927

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-03-28 10:36 UTC

Strongest nearby event

M 7.9

Tateyama, Japan

1923-09-02 02:46 UTC

Updated today

Earthquake in Minamibōsō today

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

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

The strongest earthquake recorded near Minamibōsō reached magnitude 7.9 on 1923-09-02 02:46 UTC, near Tateyama.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Minamibōsō today?

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

When was the last earthquake near Minamibōsō?

The last nearby earthquake was recorded on 2026-03-28 10:36 UTC.

What is the strongest earthquake recorded near Minamibōsō?

The strongest earthquake recorded near Minamibōsō reached magnitude 7.9 on 1923-09-02 02:46 UTC, near Tateyama.

Map

Earthquakes within 100 km of Minamibōsō

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

Average magnitude

4.6

Average depth

63.8 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-07-16 00:01	M 4.7	Narita Japan	59.7 km
2026-06-30 15:02	M 4.4	Tateyama Japan	60.1 km
2026-06-26 18:59	M 4.2	Chiba Japan	74.2 km
2026-06-26 04:31	M 4.3	Sakura Japan	74.8 km
2026-06-26 03:46	M 5.8	Kamisu Japan	43.0 km
2026-06-18 18:43	M 4.2	Isumi Japan	38.6 km
2026-05-24 18:00	M 4.0	Aihara Japan	148.1 km
2026-05-23 06:20	M 4.3	Isumi Japan	49.4 km
2026-04-05 23:17	M 4.0	Tokyo Japan	138.6 km
2026-03-28 10:36	M 4.1	Fujisawa Japan	74.4 km
2026-03-22 08:56	M 4.4	Tateyama Japan	95.1 km
2026-03-16 11:37	M 4.5	Itō Japan	143.1 km
2026-02-23 22:34	M 4.5	Itō Japan	139.8 km
2026-02-19 08:24	M 4.4	Isumi Japan	10.0 km
2026-02-10 16:12	M 4.0	Kisarazu Japan	59.2 km
2026-02-05 00:19	M 4.5	Sakura Japan	60.0 km
2026-01-29 02:47	M 4.0	Tateyama Japan	26.6 km
2026-01-29 01:40	M 4.4	Tateyama Japan	40.2 km
2026-01-29 01:25	M 4.4	Tateyama Japan	19.8 km
2026-01-17 16:49	M 4.3	Chiba Japan	72.1 km
2026-01-09 11:07	M 4.4	Mobara Japan	28.4 km
2025-12-02 11:07	M 4.4	Fujisawa Japan	10.0 km
2025-11-16 07:03	M 4.2	Mobara Japan	68.9 km
2025-11-13 21:36	M 4.3	Chiba Japan	97.4 km
2025-10-26 13:34	M 4.6	Chiba Japan	85.4 km

Monthly profile

Recent monthly trend

2025-10 1 events

2025-11 2 events

2025-12 1 events

2026-01 5 events

2026-02 4 events

2026-03 3 events

2026-04 1 events

2026-05 2 events

2026-06 5 events

2026-07 1 events

Historic snapshot

Earthquakes history

No historic yearly data to display yet.

Year	Max magnitude	Earthquakes