Tonga earthquakes

M4.5 earthquake 81 km NNW of Hihifo, Tonga

A magnitude 4.5 earthquake struck 81 km NNW of Hihifo, Tonga on Wed, Aug 9, 2023, 7:34 AM GMT+13 (18:34 UTC), 138 km (86 mi) below the surface.

A larger quake followed: M6.1 105 km NE 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-08-08 18:34:36 UTC
Depth
137.7 km (85.6 mi), intermediate-depth
Epicenter
15.241° S, 173.999° 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 2.7 km horizontally, 5.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
57°
Stations used
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 6.1105 km NE of Hihifo, Tonga · 1151 days ago · 42 km deep · 87 km away · felt by 16
  2. 4.4120 km NNE of Hihifo, Tonga · 1151 days ago · 37 km deep · 73 km away
  3. 4.5113 km WNW of Hihifo, Tonga · 1151 days ago · 192 km deep · 79 km away
  4. 4.4118 km NE of Hihifo, Tonga · 1139 days ago · 10 km deep · 94 km away
  5. 4.6Tonga · 1133 days ago · 67 km deep · 25 km away
  6. 4.5138 km N of Hihifo, Tonga · 1132 days ago · 10 km deep · 67 km away
  7. 4.488 km WNW of Hihifo, Tonga · 1127 days ago · 207 km deep · 69 km away
  8. 4.5111 km NNE of Hihifo, Tonga · 1127 days ago · 10 km deep · 60 km away
  9. 4.569 km NE of Hihifo, Tonga · 1123 days ago · 57 km deep · 68 km away
  10. 4.882 km NW of Hihifo, Tonga · 1113 days ago · 184 km deep · 55 km away
  11. 4.322 km ESE of Hihifo, Tonga · 1112 days ago · 118 km deep · 100 km away
  12. 5.097 km NNE of Hihifo, Tonga · 1101 days ago · 16 km deep · 59 km away · felt by 1
  13. 4.90 km ENE of Hihifo, Tonga · 1097 days ago · 77 km deep · 82 km away
  14. 4.392 km WNW of Hihifo, Tonga · 1092 days ago · 190 km deep · 69 km away

Before

  1. 4.2118 km WNW of Hihifo, Tonga · 1158 days ago · 177 km deep · 79 km away
  2. 4.5Tonga · 1171 days ago · 206 km deep · 67 km away
  3. 4.1Tonga · 1172 days ago · 164 km deep · 70 km away
  4. 4.289 km WNW of Hihifo, Tonga · 1175 days ago · 138 km deep · 87 km away
  5. 4.4124 km NW of Hihifo, Tonga · 1176 days ago · 205 km deep · 60 km away
  6. 4.4101 km WNW of Hihifo, Tonga · 1176 days ago · 180 km deep · 73 km away
  7. 4.563 km NNE of Hihifo, Tonga · 1178 days ago · 35 km deep · 52 km away
  8. 4.3106 km WNW of Hihifo, Tonga · 1178 days ago · 285 km deep · 92 km away

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kypl. Read Fri, Oct 2, 2026, 5:16 PM UTC.