Tonga earthquakes

M4.8 earthquake 73 km NE of Hihifo, Tonga

A magnitude 4.8 earthquake struck 73 km NE of Hihifo, Tonga on Sat, Mar 10, 2018, 9:37 AM GMT+14 (19:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.1 92 km NNE 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
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-03-09 19:37:01 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.484° S, 173.307° 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 12.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
82°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 8 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.697 km NNE of Hihifo, Tonga · 3123 days ago · 10 km deep · 45 km away
  2. 4.791 km ESE of Hihifo, Tonga · 3115 days ago · 10 km deep · 96 km away
  3. 5.192 km NNE of Hihifo, Tonga · 3107 days ago · 10 km deep · 36 km away
  4. 4.475 km ESE of Hihifo, Tonga · 3093 days ago · 35 km deep · 80 km away
  5. 4.899 km ENE of Hihifo, Tonga · 3092 days ago · 71 km deep · 31 km away
  6. 4.5103 km NNE of Hihifo, Tonga · 3091 days ago · 35 km deep · 36 km away
  7. 4.563 km N of Hihifo, Tonga · 3085 days ago · 55 km deep · 45 km away
  8. 4.680 km NE of Hihifo, Tonga · 3074 days ago · 10 km deep · 7 km away

Before

  1. 5.093 km ENE of Hihifo, Tonga · 3133 days ago · 10 km deep · 32 km away
  2. 4.982 km NNE of Hihifo, Tonga · 3136 days ago · 36 km deep · 24 km away
  3. 4.4125 km NE of Hihifo, Tonga · 3137 days ago · 10 km deep · 54 km away
  4. 4.580 km ESE of Hihifo, Tonga · 3149 days ago · 35 km deep · 87 km away
  5. 4.974 km NNE of Hihifo, Tonga · 3150 days ago · 35 km deep · 17 km away
  6. 5.1103 km NE of Hihifo, Tonga · 3157 days ago · 10 km deep · 32 km away

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d5b4. Read Fri, Oct 2, 2026, 12:52 PM UTC.