Tonga earthquakes

M4.6 earthquake Tonga

A magnitude 4.6 earthquake struck in Tonga on Sun, Aug 27, 2023, 10:30 AM GMT+13 (21:30 UTC), 67 km (41 mi) below the surface.

A larger quake followed: M5.5 65 km NW of Hihifo, Tonga. This one was a foreshock.

Apia forecastMore in Tonga

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-08-26 21:30:48 UTC
Depth
66.7 km (41.4 mi), shallow
Epicenter
15.048° S, 173.872° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

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 9.9 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
101°
Stations used
43

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.6 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.5138 km N of Hihifo, Tonga · 1131 days ago · 10 km deep · 42 km away
  2. 4.488 km WNW of Hihifo, Tonga · 1127 days ago · 207 km deep · 93 km away
  3. 4.5111 km NNE of Hihifo, Tonga · 1126 days ago · 10 km deep · 40 km away
  4. 4.569 km NE of Hihifo, Tonga · 1123 days ago · 57 km deep · 68 km away
  5. 4.882 km NW of Hihifo, Tonga · 1113 days ago · 184 km deep · 79 km away
  6. 5.097 km NNE of Hihifo, Tonga · 1101 days ago · 16 km deep · 46 km away · felt by 1
  7. 4.392 km WNW of Hihifo, Tonga · 1092 days ago · 190 km deep · 92 km away
  8. 5.565 km NW of Hihifo, Tonga · 1088 days ago · 10 km deep · 66 km away
  9. 4.2125 km NNE of Hihifo, Tonga · 1082 days ago · 10 km deep · 47 km away
  10. 4.4119 km NNE of Hihifo, Tonga · 1082 days ago · 10 km deep · 36 km away
  11. 4.280 km NNW of Hihifo, Tonga · 1080 days ago · 61 km deep · 24 km away
  12. 4.3102 km NNE of Hihifo, Tonga · 1079 days ago · 10 km deep · 35 km away

Before

  1. 4.4118 km NE of Hihifo, Tonga · 1139 days ago · 10 km deep · 79 km away
  2. 4.5113 km WNW of Hihifo, Tonga · 1151 days ago · 192 km deep · 99 km away
  3. 4.4120 km NNE of Hihifo, Tonga · 1151 days ago · 37 km deep · 52 km away
  4. 6.1105 km NE of Hihifo, Tonga · 1151 days ago · 42 km deep · 76 km away · felt by 16
  5. 4.581 km NNW of Hihifo, Tonga · 1151 days ago · 138 km deep · 25 km away
  6. 4.2118 km WNW of Hihifo, Tonga · 1158 days ago · 177 km deep · 98 km away

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kr8d. Read Fri, Oct 2, 2026, 3:02 PM UTC.