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M5.5 Depth: 238.0 km

M5.5 Earthquake near 169 km NNW of Houma, Tonga

UTC time: 2025-06-28 04:17:08 UTC Local time: —

About this earthquake

On June 28, 2025 at 04:17 UTC, a magnitude M5.5 earthquake occurred near 169 km NNW of Houma, Tonga. The earthquake originated at an intermediate depth of about 238 km. Events of this size can cause damage near the epicenter.

The event was recorded by NNSN.

Details

Magnitude
M5.5
Depth
238.0 km
UTC time
2025-06-28 04:17:08 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
-19.86000, -176.06400

Map

Depth profile

Depth profile Depth: 238 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 238 km
Intermediate
238 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
Nuku'alofa168.0 kmSE22'400

GeoNames · CC BY 4.0

Volcanoes nearby

  • Fonuafo'ou
    Distance: 84 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Tofua
    Distance: 105 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 105 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Kao
    Distance: 112 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1847 ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 123 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Lateiki
    Distance: 146 km ·Stratovolcano ·Elevation: 43 m ·Last eruption: 2019 ·Tonga

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥428
Earlier events M≥54
Compared since2025-01-06

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

Strongest earlier events

M7.02025-03-30 12:18:49 UTC146.1 kmHaʻapai M5.72025-06-28 04:17:07 UTC30.7 kmTonga Islands M5.32025-01-10 01:34:40 UTC104.5 km81 km WNW of Pangai, Tonga M5.12025-02-03 10:31:54 UTC150.0 km70 km SSW of Pangai, Tonga M4.72025-03-19 23:38:33 UTC97.4 km93 km WNW of Pangai, Tonga

Stats (last 24h)

Global (24h)
615
Country (24h)
—
—
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