Tonga earthquakes

M5.2 earthquake 148 km N of Neiafu, Tonga

A magnitude 5.2 earthquake struck 148 km N of Neiafu, Tonga on Sun, Aug 2, 2020, 1:18 PM GMT-12 (01:18 UTC), 92 km (57 mi) below the surface.

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The earthquake

Magnitude: 5.2 (Mww, W-phase moment), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Aug 2, 2020, 1:18 PM GMT-12
UTC: 2020-08-03 01:18:16 UTC
Depth: 92.4 km (57.4 mi), intermediate-depth
Epicenter: 17.334° S, 174.252° W
Region: Tonga
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
5.2	Mww, W-phase moment	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.098 · 10 stations
5.28	Mw, moment	ISC-GEM global catalog	Final · ±0.1

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 9.4 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 52°
Stations used: 89

Nearby

Within 100 km, magnitude 2.2 and up: 7 in the 60 days after this one and 4 in the 30 days before it.

After

Before

Earthquakes today Tonga earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b8h3 (also filed as iscgem618707741). Read Thu, Oct 1, 2026, 2:36 AM UTC.