Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Koga
In the last 30 days there were 10 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Koga, Ibaraki, and 0 in the last 24 hours. The strongest was a magnitude 5.3, 92 km (57 mi) SE of Koga, on 2026-10-01.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days1
- Last 30 days10
- Last year52
- Last 5 years255
M1+ in the last 7 days: 1. Methodology
01 — History
Earthquakes per month near Koga
96 earthquakes of magnitude 2.5 or larger within 100 km of Koga in the last 24 months. The busiest month was Oct 2026, with 8.
02 — Recent
Recent earthquakes near Koga
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.5 | 2 km N of Honchō, Japan | 56 km / 35 mi | depth 90 km | |
| 4.2 | 9 km W of Ōami, Japan | 86 km / 53 mi | depth 57 km | |
| 4.7 | 4 km SE of Narutō, Japan | 95 km / 59 mi | depth 67 km | |
| 4.3 | 3 km SSW of Funaishikawa, Japan | 80 km / 50 mi | depth 77 km | |
| 4.6 | 9 km NNE of Midori, Japan | 51 km / 32 mi | depth 96 km | |
| 4.9 | 3 km WSW of Shibayama, Japan | 83 km / 52 mi | depth 73 km | |
| 4.5 | 3 km ESE of Sugito, Japan | 19 km / 12 mi | depth 67 km | |
| 5.3 | 0 km NNE of Yōkaichiba, Japan | 92 km / 57 mi | depth 42 km | |
| 4.9 | 5 km S of Sakai, Japan | 16 km / 10 mi | depth 69 km | |
| 4.4 | 2 km E of Omigawa, Japan | 92 km / 57 mi | depth 52 km |
03 — Questions
Earthquakes in Koga, answered
Was there an earthquake in Koga today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Koga in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Koga?
Over the last five years there were 255 earthquakes of magnitude 2.5 or larger within 100 km of Koga, an average of 51 a year. 52 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Koga in five years?
A magnitude 5.8 on Aug 22, 2026, 17:00 UTC, 49 km (30 mi) SE of Koga, 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.
04 — Nearby
Nearby places
05 — Embed
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