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M4.8 Earthquake near South Sandwich Islands region

UTC time: 2026-07-18 16:57:34 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.8
Depth
122.0 km
Source
USGS

South Sandwich Islands region

Map

About this earthquake

On July 18, 2026 at 16:57 UTC, a magnitude M4.8 earthquake occurred near South Sandwich Islands region. At around 122 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
f5bd23cfbc89324ff297ae6c000af71eb8c0a8bf
Magnitude
M4.8
Depth
122.0 km
UTC time
2026-07-18 16:57:34 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-59.43870, -26.24270
Temperature
-6.6°C

Depth profile

Depth profile Depth: 122 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 122 km
Intermediate
122 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Tectonic context

Located on the Sandwich Plate.
Near the boundary Sandwich ↔ South America · about 86 km away

Volcanoes nearby

  • Bristol Island
    Distance: 50 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Southern Thule
    Distance: 56 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Montagu Island
    Distance: 111 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Saunders
    Distance: 183 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 263 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 308 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
588
Country (24h)
—
—
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