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M4.9 Depth: 10.0 km

M4.9 Earthquake near SAMOA ISLANDS REGION

UTC time: 2025-08-20 19:55:51 UTC Local time: —

About this earthquake

On August 20, 2025 at 19:55 UTC, a magnitude M4.9 earthquake occurred near SAMOA ISLANDS REGION. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

Magnitude
M4.9
Depth
10.0 km
UTC time
2025-08-20 19:55:51 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-16.97000, -172.42000
Temperature
24.4°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

Volcanoes nearby

  • Tafahi
    Distance: 188 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Curacoa
    Distance: 201 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Fonualei
    Distance: 233 km ·Stratovolcano ·Elevation: 188 m ·Last eruption: 1957 ·Tonga
  • Niuatahi
    Distance: 246 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • West Mata
    Distance: 252 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Tofua Arc at 18.3°S
    Distance: 255 km ·Stratovolcano ·Elevation: -40 m ·Last eruption: 2019 ·Tonga

Stats (last 24h)

Global (24h)
592
Country (24h)
—
—
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