Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Omamacho-omama
In the last 30 days there were 3 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Omamacho-omama, Gunma, and 0 in the last 24 hours. The strongest was a magnitude 4.9, 63 km (39 mi) SE of Omamacho-omama, on 2026-09-28.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days3
- Last year29
- Last 5 years121
M1+ in the last 7 days: 0. Methodology
01 — History
Earthquakes per month near Omamacho-omama
48 earthquakes of magnitude 2.5 or larger within 100 km of Omamacho-omama in the last 24 months. The busiest month was May 2026, with 5.
02 — Recent
Recent earthquakes near Omamacho-omama
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.6 | 9 km NNE of Midori, Japan | 11 km / 7 mi | depth 96 km | |
| 4.5 | 3 km ESE of Sugito, Japan | 63 km / 39 mi | depth 67 km | |
| 4.9 | 5 km S of Sakai, Japan | 63 km / 39 mi | depth 69 km |
03 — Questions
Earthquakes in Omamacho-omama, answered
Was there an earthquake in Omamacho-omama today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Omamacho-omama in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Omamacho-omama?
Over the last five years there were 121 earthquakes of magnitude 2.5 or larger within 100 km of Omamacho-omama, an average of 24 a year. 29 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Omamacho-omama in five years?
A magnitude 5.8 on Aug 22, 2026, 17:00 UTC, 97 km (60 mi) SE of Omamacho-omama, at a depth of 61 km. See this earthquake
Counts describe past activity within 100 km of the city centre. They are not a forecast or a risk assessment. Data updated . Source: USGS.
05 — Embed
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