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M4.9 Earthquake near 85 km W of Hihifo, Tonga

UTC time: 2026-09-20 00:33:21 UTC Local time: —
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Archive record · original publication time was not recorded Content updated:

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

Magnitude
M4.9
Depth
10.0 km
Source
USGS

85 km W of Hihifo, Tonga

Map

About this earthquake

On September 20, 2026 at 00:33 UTC, a magnitude M4.9 earthquake occurred near 85 km W of Hihifo, Tonga. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

ID
384ac06d7f7640f895efec1fd510cb57056b6256
Magnitude
M4.9
Depth
10.0 km
UTC time
2026-09-20 00:33:21 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-15.96060, -174.59710
Temperature
25.0°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Tectonic context

Located on the Niuafoʻou Plate.
Near the boundary Tonga ↔ Niuafoʻou · about 0 km away

Volcanoes nearby

  • Tafu-Maka
    Distance: 77 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Niuatahi
    Distance: 92 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafahi
    Distance: 92 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Curacoa
    Distance: 106 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Niuafo'ou
    Distance: 118 km ·Shield ·Elevation: 260 m ·Last eruption: 1946 ·Tonga
  • West Mata
    Distance: 132 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·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)
632
Country (24h)
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