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M4.2 Earthquake near 296 km WNW of Houma, Tonga

UTC time: 2026-06-28 19:49:43 UTC Local time: —
Magnitude
M4.2
Depth
349.5 km
Source
USGS

296 km WNW of Houma, Tonga

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About this earthquake

A magnitude M4.2 earthquake was recorded near 296 km WNW of Houma, Tonga on June 28, 2026 at 19:49 UTC. At roughly 349 km, the focus was very deep, so surface shaking tends to be weaker. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
47980f32bc70c29b4d53c4b7586b856d3c8dbae6
Magnitude
M4.2
Depth
349.5 km
UTC time
2026-06-28 19:49:43 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-20.41750, -178.03240
Temperature
21.8°C

Depth profile

Depth profile Depth: 349.5 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 349.5 km
Deep
349.5 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Tofua Arc at 21.1°S
    Distance: 251 km ·Stratovolcano ·Elevation: -65 m ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 263 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Tofua Arc at 21.3°S
    Distance: 268 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Fonuafo'ou
    Distance: 273 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 276 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Tofua
    Distance: 318 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·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

Stats (last 24h)

Global (24h)
651
Country (24h)
—
—
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