Earthquakes by city Japan 100 km
Seismic city profile

Ōi

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

Population
50,593
Residents in the indexed city record.
Earthquakes
250
Earthquakes at M4.0+ nearby.
Max magnitude
7.0
Strongest recorded event in the current radius.
Timezone
Asia/Tokyo
Coordinates 35.851, 139.520
Nearby activity pulse
Last 30 days
2
Last 12 months
6
Last nearby event: 2026-04-05 23:17 UTC
Strongest nearby event
M 7.0
JP
1924-01-14 20:50 UTC

Map

Earthquakes within 100 km of Ōi

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

Average magnitude
4.6
Average depth
76.6 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
2026-04-01 01:06 M 4.9
Kashiwa
Japan
57.2 km
2026-03-28 10:36 M 4.1
Fujisawa
Japan
74.4 km
2026-03-15 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
2026-02-05 00:19 M 4.5
Sakura
Japan
60.0 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
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
2025-11-13 21:36 M 4.3
Chiba
Japan
97.4 km
2025-11-08 21:24 M 4.4
Oyama
Japan
84.1 km
2025-11-04 05:00 M 4.2
Tsukuba
Japan
83.6 km
2025-10-26 13:34 M 4.6
Chiba
Japan
85.4 km
2025-10-26 03:04 M 4.6
Kiryū
Japan
12.4 km
2025-10-24 06:47 M 4.6
Chiba
Japan
76.7 km
2025-10-03 03:48 M 4.5
Kawasaki
Japan
106.4 km
2025-09-08 23:53 M 4.3
Chiba
Japan
66.6 km
2025-09-05 12:00 M 4.2
Saitama
Japan
70.0 km
2025-08-31 21:53 M 4.4
Chiba
Japan
51.8 km
2025-08-28 01:06 M 4.3
Yachiyo
Japan
50.6 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

Monthly profile

Recent monthly trend

2025-08 4 events
2025-09 2 events
2025-10 4 events
2025-11 4 events
2025-12 1 events
2026-01 2 events
2026-02 4 events
2026-03 2 events
2026-04 2 events

Historic snapshot

Earthquakes history

Year Max magnitude Earthquakes