Earthquakes by city Japan 100 km
Seismic city profile

Kōshū

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

Population
31,526
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 35.724, 138.771
Nearby activity pulse
Last 30 days
1
Last 12 months
5
Last nearby event: 2026-04-05 23:17 UTC
Strongest nearby event
M 8.0
JP
1923-09-01 02:58 UTC

Map

Earthquakes within 100 km of Kōshū

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

Average magnitude
4.6
Average depth
82.6 km

Timeline

Recent seismic activity

Latest 25 events shown
UTC Magnitude Region Depth
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
2026-03-15 05:06 M 4.9
Maebashi
Japan
95.6 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
2025-09-05 12:00 M 4.2
Saitama
Japan
70.0 km
2025-08-23 10:22 M 4.1
Chichibu
Japan
129.5 km
2025-08-01 13:58 M 4.4
Ōta
Japan
116.0 km
2025-07-23 12:49 M 4.3
Numazu
Japan
10.0 km
2025-05-04 03:35 M 4.5
Tokyo
Japan
77.8 km
2025-04-21 13:11 M 4.5
Saitama
Japan
116.2 km
2025-04-01 12:33 M 4.2
Saitama
Japan
121.4 km
2025-03-03 03:50 M 4.5
Takasaki
Japan
148.5 km
2025-02-20 13:13 M 4.5
Gotemba
Japan
38.3 km
2025-02-11 20:41 M 4.4
Kasukabe
Japan
66.4 km
2025-01-04 23:51 M 4.4
Aihara
Japan
10.0 km
2024-10-30 06:14 M 4.5
Saitama
Japan
76.8 km
2024-10-25 21:20 M 4.3
Aihara
Japan
74.6 km
2024-09-01 02:28 M 4.6
Gotemba
Japan
37.9 km
2024-08-15 11:20 M 4.1
Sagamihara
Japan
26.2 km
2024-08-09 10:57 M 5.0 Aihara
Japan
30.3 km
2024-08-05 14:48 M 4.2
Fujisawa
Japan
153.3 km
2024-07-30 16:47 M 4.6
Aihara
Japan
125.5 km
2024-07-02 11:40 M 4.2
Saku
Japan
186.7 km

Monthly profile

Recent monthly trend

2025-07 1 events
2025-08 2 events
2025-09 1 events
2026-02 3 events
2026-03 2 events
2026-04 1 events

Historic snapshot

Earthquakes history

Year Max magnitude Earthquakes