M4.7 Earthquake – 136 km N of Neiafu, Tonga
Oct 17, 2026 20:51 UTC (23 days ago)
- Magnitude
- 4.7 (mb)
- Time
- Oct 17, 2026 20:51 UTC
- Depth
- 45.4 km (28.2 mi)
- Epicenter
- -17.438°, -173.744°
- Location
- 136 km N of Neiafu, Tonga
- Reported by
- USGS, EMSC · 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
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.
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