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M5.5 Depth: 237.5 km

M5.5 Earthquake near TONGA

UTC time: 2025-06-28 04:17:09 UTC Local time: —

About this earthquake

On June 28, 2025 at 04:17 UTC, a magnitude M5.5 earthquake occurred near TONGA. The earthquake originated at an intermediate depth of about 238 km. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by EMSC.

Details

Magnitude
M5.5
Depth
237.5 km
UTC time
2025-06-28 04:17:09 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-19.85950, -176.06380
Temperature
25.5°C

Map

Depth profile

Depth profile Depth: 237.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 237.5 km
Intermediate
237.5 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'alofa168.1 kmSE22'400

GeoNames · CC BY 4.0

Volcanoes nearby

  • Fonuafo'ou
    Distance: 85 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

Subsequent earthquakes nearby

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

First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM4.5
M4.52025-07-19 06:20:18 UTC145.4 kmTONGA

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥429
Earlier events M≥55
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 M5.52025-06-28 04:17:08 UTC0.1 km169 km NNW of Houma, Tonga 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

Stats (last 24h)

Global (24h)
600
Country (24h)
—
—
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