M6.4 Depth: 46.0 km

M6.4 Earthquake near South Sandwich Islands region

UTC time: 2026-07-11 10:26:45 UTC Local time:
M6.4 earthquake near South Sandwich Islands region on Jul 11, 2026 — map of epicenter and shaking intensity | QuakeMap24
M6.4 Earthquake near South Sandwich Islands region · 2026-07-11 10:26:45 UTC

About this earthquake

On July 11, 2026 at 10:26 UTC, a magnitude M6.4 earthquake occurred near South Sandwich Islands region. With a focal depth of about 46 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can cause significant damage in populated areas.

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

Details

Magnitude
M6.4
Depth
46.0 km
UTC time
2026-07-11 10:26:45 UTC
Local time
Country
Source
usgs
Coordinates
-55.53610, -28.97040
Temperature
-0.9°C

Map

Depth profile

Depth profile Depth: 46 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 46 km
Shallow
46 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Estimated impact

Green No or minimal impact expected.

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the Sandwich Plate.
Near the boundary Sandwich ↔ Scotia · about 51 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Grytviken501.4 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Protector Seamounts
    Distance: 65 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Zavodovski
    Distance: 122 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Leskov Island
    Distance: 135 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Hodson
    Distance: 172 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 223 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 294 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom

Comparison of seismic sources

5 sources currently report magnitudes from M6.1 to M6.6.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM6.610.0 km7.0 km
RESIFM6.110.0 km9.0 km
INGVM6.414.8 km18.5 km
EMSCM6.446.0 km0.0 km
USGSM6.446.0 km0.0 km

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥4181
Earlier events M≥5107
Compared since2025-01-01

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Stats (last 24h)

Global (24h)
638
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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