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

UTC time: 2025-02-20 10:31:20 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Magnitude
M5.5
Depth
107.0 km
Source
USGS

68 km NNW of Hihifo, Tonga

Map

M5.5 Earthquake near 68 km NNW of Hihifo, Tonga · 2025-02-20 — Map showing the location of the epicenter
M5.5 Earthquake near 68 km NNW of Hihifo, Tonga · 2025-02-20 — Map showing the location of the epicenter

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

ID
fcdce9c3f262a092452ef8213c1ecbcce33776ae
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

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

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kuini Lavenia AirportTonga · NTT · NFTP
    71.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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
M4.62025-02-20 12:10:38 UTC93.7 km41 km SW of Hihifo, Tonga M4.62025-02-28 23:27:01 UTC80.3 km83 km NE of Hihifo, Tonga M4.32025-03-01 06:15:15 UTC123.9 km74 km ESE of Hihifo, Tonga M4.52025-03-09 04:14:13 UTC122.0 km74 km ESE of Hihifo, Tonga M4.32025-03-09 17:46:38 UTC50.5 km102 km NNE of Hihifo, Tonga M4.52025-03-10 19:21:32 UTC137.4 km95 km SW of Hihifo, Tonga M4.42025-03-18 14:31:25 UTC52.5 km97 km NNE of Hihifo, Tonga

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

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

M5.12025-01-11 20:13:28 UTC128.7 km74 km ESE of Hihifo, Tonga M4.82025-02-04 16:37:57 UTC131.8 km147 km NE of Hihifo, Tonga M4.72025-02-20 07:20:00 UTC84.6 km149 km NNW of Hihifo, Tonga M4.62025-02-03 13:27:28 UTC30.4 km98 km NNW of Hihifo, Tonga M4.62025-01-28 15:56:42 UTC120.7 km81 km E of Hihifo, Tonga

Stats (last 24h)

Global (24h)
599
Country (24h)
—
—
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