Tonga earthquakes

M4.4 earthquake 41 km WNW of Neiafu, Tonga

A magnitude 4.4 earthquake struck 41 km WNW of Neiafu, Tonga on Fri, Mar 20, 2015, 6:05 AM GMT+13 (17:05 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M5.1 33 km WNW of Neiafu, Tonga. This one was a foreshock.

Nuku‘alofa 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-03-19 17:05:50 UTC
Depth
43.3 km (26.9 mi), shallow
Epicenter
18.444° S, 174.313° 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 14.8 km horizontally, 9.0 km in depth
Magnitude uncertainty
±0.24
Depth from
FROM_LOCATION
Station coverage gap
155°
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: 7 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.7107 km WSW of Neiafu, Tonga · 4213 days ago · 72 km deep · 89 km away
  2. 4.6113 km N of Neiafu, Tonga · 4202 days ago · 82 km deep · 92 km away
  3. 5.133 km WNW of Neiafu, Tonga · 4194 days ago · 35 km deep · 15 km away · felt by 1
  4. 4.244 km W of Neiafu, Tonga · 4177 days ago · 191 km deep · 20 km away
  5. 4.847 km WSW of Neiafu, Tonga · 4161 days ago · 89 km deep · 36 km away · felt by 2
  6. 4.068 km WSW of Neiafu, Tonga · 4161 days ago · 63 km deep · 59 km away
  7. 4.546 km W of Neiafu, Tonga · 4161 days ago · 85 km deep · 33 km away

Before

  1. 4.4101 km NW of Pangai, Tonga · 4219 days ago · 73 km deep · 91 km away
  2. 4.652 km WNW of Neiafu, Tonga · 4222 days ago · 35 km deep · 19 km away
  3. 4.656 km W of Neiafu, Tonga · 4222 days ago · 20 km deep · 32 km away
  4. 4.678 km NNW of Neiafu, Tonga · 4231 days ago · 10 km deep · 54 km away
  5. 4.372 km NW of Neiafu, Tonga · 4233 days ago · 155 km deep · 31 km away
  6. 4.1136 km NW of Neiafu, Tonga · 4234 days ago · 134 km deep · 98 km away
  7. 4.9103 km W of Neiafu, Tonga · 4239 days ago · 45 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10001q6x. Read Mon, Oct 5, 2026, 4:07 AM UTC.