M4.9 Depth: 35.0 km

M4.9 Earthquake near 146 km SSE of Hihifo, Tonga

UTC time: 2025-04-17 01:14:29 UTC Local time:

About this earthquake

A magnitude M4.9 earthquake was recorded near 146 km SSE of Hihifo, Tonga on April 17, 2025 at 01:14 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

Magnitude
M4.9
Depth
35.0 km
UTC time
2025-04-17 01:14:29 UTC
Local time
Country
Source
usgs
Coordinates
-17.15220, -173.21320

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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

  • Fonualei
    Distance: 152 km ·Stratovolcano ·Elevation: 188 m ·Last eruption: 1957 ·Tonga
  • Tafahi
    Distance: 155 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Curacoa
    Distance: 177 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Tofua Arc at 18.3°S
    Distance: 179 km ·Stratovolcano ·Elevation: -40 m ·Last eruption: 2019 ·Tonga
  • Niuatahi
    Distance: 216 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafu-Maka
    Distance: 226 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga

Stats (last 24h)

Global (24h)
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Country (24h)
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