M4.7 Earthquake – 6 km N of Asahi, Japan
Oct 28, 2026 18:32 UTC (12 days ago)
- Magnitude
- 4.7 (mb)
- Time
- Oct 28, 2026 18:32 UTC
- Depth
- 41.5 km (25.8 mi)
- Epicenter
- 35.776°, 140.646°
- Location
- 6 km N of Asahi, Japan
- Reported by
- USGS, EMSC, GEOFON · USGS event page
Each circle is an earthquake. Bigger and redder = stronger. The ring marks 100 km around the epicenter.
Magnitude<33–44–55–66+AgeLast hourLast 24 hOlder
See all recent activity near Chiba (51 km from the epicenter).
Other earthquakes within 100 km (last 30 days)
| Mag | Location | When |
|---|---|---|
| 3.2 | 7 km ESE of Nogi, Japan | 2 days ago Nov 7, 2026 17:30 UTC |
| 5.5 | 74 km NE of Hasaki, Japan | 3 days ago Nov 7, 2026 11:07 UTC |
| 3.4 | 10 km ESE of Mobara, Japan | 6 days ago Nov 3, 2026 20:34 UTC |
| 4.8 | 6 km S of Asahi, Japan | 7 days ago Nov 3, 2026 05:40 UTC |
| 4.3 | 10 km SSE of Hasaki, Japan | 12 days ago Oct 28, 2026 20:22 UTC |
| 5.5 | 5 km ESE of Asahi, Japan | 12 days ago Oct 28, 2026 15:07 UTC |
| 3.1 | 9 km SE of Omigawa, Japan | 15 days ago Oct 26, 2026 04:37 UTC |
| 4.2 | 8 km SSE of Shiroi, Japan | 20 days ago Oct 21, 2026 01:04 UTC |
| 4.2 | 9 km W of Ōami, Japan | 26 days ago Oct 15, 2026 05:10 UTC |
| 4.7 | 4 km SE of Narutō, Japan | 29 days ago Oct 11, 2026 16:24 UTC |
Learn more
- The Earthquake Magnitude Scale ExplainedRichter versus moment magnitude, what each level feels like, and how often each size occurs.
- Earthquake Depth Explained: Why It MattersShallow, intermediate and deep earthquakes, why depth changes the shaking, and how reliable the number is.
- What to Do Before, During and After an EarthquakeDrop, Cover and Hold On, what to do in a car or near the coast, and how to handle aftershocks.
Magnitudes and locations come from automatic or reviewed solutions and are often revised in the hours after an earthquake. Email alerts are coming soon; join the waiting list.