M5.5 Depth: 107.0 km

M5.5 Earthquake near 68 km NNW of Hihifo, Tonga

UTC time: 2025-02-20 10:31:20 UTC Local time:

About this earthquake

On February 20, 2025 at 10:31 UTC, a magnitude M5.5 earthquake occurred near 68 km NNW of Hihifo, Tonga. At around 107 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.5
Depth
107.0 km
UTC time
2025-02-20 10:31:20 UTC
Local time
Country
Source
usgs
Coordinates
-15.35140, -173.93960

Map

Depth profile

Depth profile Depth: 107 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 107 km
Intermediate
107 km
Why depth matters

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

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Apia288.4 kmNE40'407

GeoNames · CC BY 4.0

Volcanoes nearby

  • Niuatahi
    Distance: 7 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafu-Maka
    Distance: 31 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • West Mata
    Distance: 35 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Curacoa
    Distance: 42 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Tafahi
    Distance: 60 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Niuafo'ou
    Distance: 183 km ·Shield ·Elevation: 260 m ·Last eruption: 1946 ·Tonga

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM4.6

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥414
Earlier events M≥51
Compared since2025-01-11

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

Strongest earlier events

Stats (last 24h)

Global (24h)
584
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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