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M4.3 Earthquake near Tonga Islands

UTC time: 2026-03-20 16:17:50 UTC Local time: —
Magnitude
M4.3
Depth
276.0 km
Source
ISC

Tonga Islands

Map

About this earthquake

On March 20, 2026 at 16:17 UTC, a magnitude M4.3 earthquake occurred near Tonga Islands. At around 276 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by ISC.

Details

ID
b5a039b724151e5be8db8b3fd9e66b5d456f3af7
Magnitude
M4.3
Depth
276.0 km
UTC time
2026-03-20 16:17:50 UTC
Local time
—
Country
—
Source
isc
Coordinates
-15.56300, -174.84100
Temperature
27.8°C

Depth profile

Depth profile Depth: 276 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 276 km
Intermediate
276 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Tafu-Maka
    Distance: 69 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Niuafo'ou
    Distance: 85 km ·Shield ·Elevation: 260 m ·Last eruption: 1946 ·Tonga
  • Niuatahi
    Distance: 92 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Dugong
    Distance: 96 km ·Shield ·Elevation: -1'170 m ·Tonga
  • Tafahi
    Distance: 121 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Curacoa
    Distance: 126 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·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)
605
Country (24h)
—
—
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