Tonga earthquakes

M4.2 earthquake 120 km ENE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 120 km ENE of Hihifo, Tonga on Tue, Mar 31, 2015, 3:06 AM GMT+14 (13:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.3 106 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.

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The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-03-30 13:06:47 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.491° S, 172.777° 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 9.4 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.19
Depth from
OPERATOR_ASSIGNED
Station coverage gap
114°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.0129 km NE of Hihifo, Tonga · 4207 days ago · 10 km deep · 53 km away
  2. 5.8115 km ENE of Hihifo, Tonga · 4207 days ago · 10 km deep · 12 km away
  3. 5.5103 km E of Hihifo, Tonga · 4205 days ago · 10 km deep · 59 km away
  4. 4.7109 km NE of Hihifo, Tonga · 4200 days ago · 10 km deep · 57 km away
  5. 6.3106 km NE of Hihifo, Tonga · 4200 days ago · 30 km deep · 60 km away · felt by 17
  6. 4.2112 km NE of Hihifo, Tonga · 4196 days ago · 10 km deep · 49 km away
  7. 4.6105 km ENE of Hihifo, Tonga · 4195 days ago · 10 km deep · 24 km away
  8. 4.596 km NNE of Hihifo, Tonga · 4194 days ago · 10 km deep · 96 km away
  9. 5.696 km NNE of Hihifo, Tonga · 4192 days ago · 8 km deep · 70 km away
  10. 4.7106 km NE of Hihifo, Tonga · 4186 days ago · 10 km deep · 32 km away
  11. 4.5107 km NE of Hihifo, Tonga · 4186 days ago · 10 km deep · 30 km away
  12. 4.5111 km NE of Hihifo, Tonga · 4186 days ago · 87 km deep · 63 km away
  13. 4.3117 km NE of Hihifo, Tonga · 4174 days ago · 10 km deep · 57 km away
  14. 4.5110 km NNE of Hihifo, Tonga · 4173 days ago · 8 km deep · 85 km away
  15. 4.573 km NE of Hihifo, Tonga · 4170 days ago · 35 km deep · 50 km away
  16. 4.491 km ENE of Hihifo, Tonga · 4170 days ago · 35 km deep · 29 km away
  17. 4.3105 km NE of Hihifo, Tonga · 4170 days ago · 6 km deep · 61 km away
  18. 4.5104 km NNE of Hihifo, Tonga · 4167 days ago · 13 km deep · 92 km away · felt by 1
  19. 5.195 km NE of Hihifo, Tonga · 4164 days ago · 10 km deep · 62 km away

Before

  1. 5.293 km NE of Hihifo, Tonga · 4207 days ago · 10 km deep · 33 km away
  2. 6.596 km ENE of Hihifo, Tonga · 4207 days ago · 11 km deep · 27 km away · felt by 1 · tsunami flag
  3. 4.5115 km ENE of Hihifo, Tonga · 4207 days ago · 10 km deep · 9 km away
  4. 4.8106 km NE of Hihifo, Tonga · 4207 days ago · 10 km deep · 34 km away
  5. 4.793 km NE of Hihifo, Tonga · 4207 days ago · 10 km deep · 35 km away
  6. 6.4110 km NE of Hihifo, Tonga · 4207 days ago · 15 km deep · 21 km away · felt by 3 · tsunami flag
  7. 6.098 km NE of Hihifo, Tonga · 4207 days ago · 10 km deep · 30 km away
  8. 4.555 km NNE of Hihifo, Tonga · 4220 days ago · 94 km deep · 93 km away
  9. 4.5107 km NNE of Hihifo, Tonga · 4222 days ago · 35 km deep · 74 km away
  10. 4.678 km NE of Hihifo, Tonga · 4223 days ago · 10 km deep · 66 km away
  11. 4.3124 km NE of Hihifo, Tonga · 4227 days ago · 10 km deep · 55 km away
  12. 4.6Tonga · 4234 days ago · 10 km deep · 72 km away
  13. 4.7105 km NNE of Hihifo, Tonga · 4235 days ago · 40 km deep · 93 km away
  14. 4.483 km E of Hihifo, Tonga · 4235 days ago · 10 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10001vdy. Read Mon, Oct 5, 2026, 2:46 PM UTC.