Tonga earthquakes

M4.7 earthquake 94 km ENE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 94 km ENE of Hihifo, Tonga on Sat, Mar 7, 2009, 6:34 AM GMT-11 (17:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 87 km N of Hihifo, Tonga. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2009-03-07 17:34:25 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.548° S, 173.025° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000gur2. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
60°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 8 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.585 km NE of Hihifo, Tonga · 6412 days ago · 35 km deep · 25 km away
  2. 5.287 km N of Hihifo, Tonga · 6403 days ago · 5 km deep · 85 km away
  3. 5.048 km NE of Hihifo, Tonga · 6397 days ago · 58 km deep · 48 km away
  4. 4.382 km E of Hihifo, Tonga · 6394 days ago · 63 km deep · 42 km away
  5. 4.461 km NNE of Hihifo, Tonga · 6388 days ago · 149 km deep · 52 km away
  6. 4.891 km SE of Hihifo, Tonga · 6387 days ago · 15 km deep · 99 km away
  7. 4.6119 km E of Hihifo, Tonga · 6387 days ago · 35 km deep · 49 km away
  8. 5.687 km N of Hihifo, Tonga · 6376 days ago · 35 km deep · 86 km away · felt by 3

Before

  1. 5.1114 km NNE of Hihifo, Tonga · 6421 days ago · 10 km deep · 76 km away
  2. 5.390 km NNE of Hihifo, Tonga · 6422 days ago · 10 km deep · 47 km away
  3. 5.1103 km NNE of Hihifo, Tonga · 6422 days ago · 10 km deep · 69 km away
  4. 5.8102 km NNE of Hihifo, Tonga · 6422 days ago · 3 km deep · 53 km away
  5. 4.5123 km NNE of Hihifo, Tonga · 6422 days ago · 35 km deep · 65 km away
  6. 4.891 km NNE of Hihifo, Tonga · 6440 days ago · 35 km deep · 66 km away
  7. 4.674 km SE of Hihifo, Tonga · 6447 days ago · 10 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000gur2. Read Sun, Oct 4, 2026, 8:17 PM UTC.