Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Koshigaya
In the last 30 days there were 10 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Koshigaya, Saitama, and 0 in the last 24 hours. The strongest was a magnitude 5.3, 72 km (45 mi) ESE of Koshigaya, on 2026-10-01.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days1
- Last 30 days10
- Last year56
- Last 5 years305
M1+ in the last 7 days: 1. Methodology
01 — History
Earthquakes per month near Koshigaya
105 earthquakes of magnitude 2.5 or larger within 100 km of Koshigaya in the last 24 months. The busiest month was Oct 2026, with 8.
02 — Recent
Recent earthquakes near Koshigaya
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.5 | 2 km N of Honchō, Japan | 25 km / 16 mi | depth 90 km | |
| 4.2 | 9 km W of Ōami, Japan | 56 km / 35 mi | depth 57 km | |
| 4.7 | 4 km SE of Narutō, Japan | 69 km / 43 mi | depth 67 km | |
| 4.3 | 3 km SSW of Funaishikawa, Japan | 91 km / 57 mi | depth 77 km | |
| 4.6 | 9 km NNE of Midori, Japan | 81 km / 51 mi | depth 96 km | |
| 4.9 | 3 km WSW of Shibayama, Japan | 60 km / 37 mi | depth 73 km | |
| 4.5 | 3 km ESE of Sugito, Japan | 14 km / 9 mi | depth 67 km | |
| 5.3 | 0 km NNE of Yōkaichiba, Japan | 72 km / 45 mi | depth 42 km | |
| 4.9 | 5 km S of Sakai, Japan | 17 km / 11 mi | depth 69 km | |
| 4.4 | 2 km E of Omigawa, Japan | 77 km / 48 mi | depth 52 km |
03 — Questions
Earthquakes in Koshigaya, answered
Was there an earthquake in Koshigaya today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Koshigaya in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Koshigaya?
Over the last five years there were 305 earthquakes of magnitude 2.5 or larger within 100 km of Koshigaya, an average of 61 a year. 56 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Koshigaya in five years?
A magnitude 6.1 on May 26, 2023, 10:03 UTC, 78 km (48 mi) ESE of Koshigaya, at a depth of 42 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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