Earthquakes by city Japan 100 km

Seismic city profile

Earthquake in Nagano today

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

Population

372,760

Residents in the indexed city record.

Earthquakes

250

Earthquakes at M4.0+ nearby.

Max magnitude

6.3

Strongest recorded event in the current radius.

Timezone

Asia/Tokyo

Coordinates 36.650, 138.183

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2026-04-18 05:54 UTC

Strongest nearby event

M 6.3

Nagano, Japan

1941-07-15 14:45 UTC

Updated today

Earthquake in Nagano today

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

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

The strongest earthquake recorded near Nagano reached magnitude 6.3 on 1941-07-15 14:45 UTC, near Nagano.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Nagano today?

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

When was the last earthquake near Nagano?

The last nearby earthquake was recorded on 2026-04-18 05:54 UTC.

What is the strongest earthquake recorded near Nagano?

The strongest earthquake recorded near Nagano reached magnitude 6.3 on 1941-07-15 14:45 UTC, near Nagano.

Map

Earthquakes within 100 km of Nagano

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

Average magnitude

4.6

Average depth

55.6 km

Timeline

Recent seismic activity

Latest 25 events shown

UTC	Magnitude	Region	Depth
2026-06-19 18:16	M 4.5	Kurobe-shi Japan	212.6 km
2026-05-31 20:54	M 4.4	Jōetsu Japan	10.0 km
2026-04-18 05:54	M 4.9	Chikuma Japan	10.0 km
2026-04-18 04:20	M 4.9	Chikuma Japan	10.0 km
2026-01-15 05:48	M 5.1	Matsumoto Japan	2.3 km
2026-01-15 05:40	M 4.7	Azumino Japan	7.8 km
2025-08-23 10:22	M 4.1	Chichibu Japan	129.5 km
2025-04-18 14:39	M 4.1	Matsumoto Japan	10.0 km
2025-04-18 11:19	M 4.8	Azumino Japan	10.0 km
2025-03-20 09:15	M 4.5	Nagaoka Japan	176.2 km
2025-03-03 03:50	M 4.5	Takasaki Japan	148.5 km
2024-07-11 03:01	M 4.9	Uozu Japan	10.0 km
2024-07-02 11:40	M 4.2	Saku Japan	186.7 km
2024-01-01 09:00	M 4.1	Itoigawa Japan	10.0 km
2024-01-01 07:56	M 4.4	Itoigawa Japan	10.0 km
2023-06-17 13:42	M 4.3	Itoigawa Japan	223.2 km
2022-12-09 03:46	M 4.1	Uozu Japan	238.7 km
2022-04-18 18:49	M 4.2	Takayama Japan	251.3 km
2022-04-02 13:42	M 4.5	Toyama Japan	202.8 km
2022-02-12 13:10	M 4.1	Jōetsu Japan	201.9 km
2022-01-21 12:10	M 4.0	Toyama Japan	228.4 km
2022-01-13 02:30	M 4.3	Matsumoto Japan	204.4 km
2021-09-24 09:48	M 4.5	Jōetsu Japan	10.0 km
2021-09-19 10:04	M 4.2	Azumino Japan	6.5 km
2021-09-19 08:18	M 5.1	Matsumoto Japan	10.0 km

Monthly profile

Recent monthly trend

2026-01 2 events

2026-04 2 events

2026-05 1 events

2026-06 1 events

Historic snapshot

Earthquakes history

No historic yearly data to display yet.

Year	Max magnitude	Earthquakes