Signal · Earthquake · 18 Oct, 04:34 UTC
M4.5 earthquake: South Sandwich Islands region
M4.5
mb magnitude
A magnitude 4.5 earthquake struck South Sandwich Islands region at 04:34 UTC on 18 Oct 2026, according to the USGS. 10 other earthquakes of magnitude 4.5 and above hit within 500 km in the last 30 days; the strongest was M5.4, South Sandwich Islands region, on 29 Oct 2026. The nearest city OrbitalSpace tracks is Montevideo, Uruguay, 3,298 km away.
Event
- Origin time
- 04:34 UTC
- 18 Oct 2026
- Coordinates
- 56.61° S, 26.27° W
- Depth
- Significance
- Felt reports
- PAGER alert
- Review status
- Network
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Nearest tracked city
Within 500 km, last 30 days
10 other quakes nearby, the strongest M5.4.
- M4.6South Sandwich Islands region7 Nov · 153 km153 km · 7 Nov, 07:14 UTC
- M5.0South Sandwich Islands region3 Nov · 244 km244 km · 3 Nov, 13:34 UTC
- M5.1South Sandwich Islands region1 Nov · 69 km69 km · 1 Nov, 17:11 UTC
- M5.4South Sandwich Islands region29 Oct · 419 km419 km · 29 Oct, 05:06 UTC
- M4.8South Sandwich Islands region26 Oct · 366 km366 km · 26 Oct, 11:01 UTC
- M4.5South Sandwich Islands region25 Oct · 149 km149 km · 25 Oct, 07:52 UTC
- M5.0South Sandwich Islands region22 Oct · 87 km87 km · 22 Oct, 00:25 UTC
- M5.1South Sandwich Islands region19 Oct · 59 km59 km · 19 Oct, 17:45 UTC
- M4.6South Sandwich Islands region13 Oct · 174 km174 km · 13 Oct, 02:16 UTC
- M4.5South Sandwich Islands region13 Oct · 108 km108 km · 13 Oct, 00:01 UTC
Magnitude 4.5 and above from the USGS monthly feed.