Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Ayase today

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

Population

83,913

Residents in the indexed city record.

Earthquakes

250

Earthquakes at M4.0+ nearby.

Max magnitude

8.0

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 35.435, 139.426

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-05 23:17 UTC

Strongest nearby event

M 5.8

Matsudo, Japan

2026-08-22 17:00 UTC

Updated today

Earthquake in Ayase today

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

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

The strongest earthquake recorded near Ayase reached magnitude 5.8 on 2026-08-22 17:00 UTC, near Matsudo.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Ayase today?

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

When was the last earthquake near Ayase?

The last nearby earthquake was recorded on 2026-04-05 23:17 UTC.

What is the strongest earthquake recorded near Ayase?

The strongest earthquake recorded near Ayase reached magnitude 5.8 on 2026-08-22 17:00 UTC, near Matsudo.

Map

Earthquakes within 100 km of Ayase

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

Average magnitude

4.6

Average depth

70.8 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-08-22 17:00	M 5.8	Matsudo Japan	61.0 km
2026-06-26 18:59	M 4.2	Chiba Japan	74.2 km
2026-06-26 13:29	M 5.2	Sagamihara Japan	43.2 km
2026-06-26 04:31	M 4.3	Sakura Japan	74.8 km
2026-06-26 02:48	M 4.3	Saitama Japan	53.9 km
2026-06-16 10:55	M 4.4	Matsudo Japan	42.4 km
2026-06-16 10:46	M 5.3	Kasukabe Japan	63.6 km
2026-05-24 18:00	M 4.0	Aihara Japan	148.1 km
2026-04-05 23:17	M 4.0	Tokyo Japan	138.6 km
2026-04-01 01:06	M 4.9	Kashiwa Japan	57.2 km
2026-03-28 10:36	M 4.1	Fujisawa Japan	74.4 km
2026-03-16 11:37	M 4.5	Itō Japan	143.1 km
2026-02-19 08:24	M 4.4	Isumi Japan	10.0 km
2026-02-15 02:52	M 4.1	Ōta Japan	68.5 km
2026-02-09 12:27	M 4.3	Ōta Japan	104.2 km
2026-02-06 15:58	M 4.2	Saitama Japan	95.2 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
2026-01-25 02:46	M 4.3	Oyama Japan	82.6 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
2025-12-12 10:05	M 4.8	Tsukuba Japan	62.9 km
2025-11-16 07:03	M 4.2	Mobara Japan	68.9 km

Monthly profile

Recent monthly trend

2025-11 1 events

2025-12 1 events

2026-01 6 events

2026-02 5 events

2026-03 2 events

2026-04 2 events

2026-05 1 events

2026-06 6 events

2026-08 1 events

Historic snapshot

Earthquakes history

No historic yearly data to display yet.

Year	Max magnitude	Earthquakes