Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Isumi
In the last 30 days there were 7 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Isumi, Chiba, and 0 in the last 24 hours. The strongest was a magnitude 5.3, 54 km (34 mi) NNE of Isumi, on 2026-10-01.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days1
- Last 30 days7
- Last year45
- Last 5 years290
M1+ in the last 7 days: 1. Methodology
01 — History
Earthquakes per month near Isumi
89 earthquakes of magnitude 2.5 or larger within 100 km of Isumi in the last 24 months. The busiest month was Nov 2024, with 8.
02 — Recent
Recent earthquakes near Isumi
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.5 | 2 km N of Honchō, Japan | 67 km / 42 mi | depth 90 km | |
| 4.2 | 9 km W of Ōami, Japan | 37 km / 23 mi | depth 57 km | |
| 4.7 | 4 km SE of Narutō, Japan | 39 km / 24 mi | depth 67 km | |
| 4.9 | 3 km WSW of Shibayama, Japan | 49 km / 31 mi | depth 73 km | |
| 5.3 | 0 km NNE of Yōkaichiba, Japan | 54 km / 34 mi | depth 42 km | |
| 4.4 | 11 km S of Hasaki, Japan | 61 km / 38 mi | depth 35 km | |
| 4.4 | 2 km E of Omigawa, Japan | 72 km / 45 mi | depth 52 km |
03 — Questions
Earthquakes in Isumi, answered
Was there an earthquake in Isumi today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Isumi in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Isumi?
Over the last five years there were 290 earthquakes of magnitude 2.5 or larger within 100 km of Isumi, an average of 58 a year. 45 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near Isumi in five years?
A magnitude 6.1 on May 26, 2023, 10:03 UTC, 35 km (22 mi) NNE of Isumi, 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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