Tonga earthquakes

M4.6 earthquake 157 km WNW of Neiafu, Tonga

A magnitude 4.6 earthquake struck 157 km WNW of Neiafu, Tonga on Fri, Mar 2, 2018, 8:42 AM GMT+13 (19:42 UTC), 220 km (137 mi) below the surface.

A larger quake followed: M4.7 148 km WNW of Pangai, 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-03-01 19:42:48 UTC
Depth
219.8 km (136.6 mi), intermediate-depth
Epicenter
18.338° S, 175.440° 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 12.3 km horizontally, 8.2 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
81°
Stations used
61

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.3155 km NW of Pangai, Tonga · 3136 days ago · 283 km deep · 71 km away
  2. 4.7148 km WNW of Pangai, Tonga · 3131 days ago · 201 km deep · 94 km away
  3. 4.1137 km NW of Neiafu, Tonga · 3115 days ago · 226 km deep · 60 km away
  4. 4.2107 km WNW of Neiafu, Tonga · 3106 days ago · 180 km deep · 50 km away
  5. 4.6143 km W of Neiafu, Tonga · 3106 days ago · 195 km deep · 62 km away
  6. 4.7133 km WNW of Neiafu, Tonga · 3095 days ago · 236 km deep · 37 km away
  7. 4.3150 km NW of Pangai, Tonga · 3093 days ago · 244 km deep · 63 km away
  8. 4.2139 km WNW of Pangai, Tonga · 3087 days ago · 263 km deep · 98 km away
  9. 4.4144 km WNW of Neiafu, Tonga · 3079 days ago · 256 km deep · 24 km away

Before

  1. 4.4155 km NW of Pangai, Tonga · 3153 days ago · 193 km deep · 63 km away
  2. 4.2139 km WNW of Neiafu, Tonga · 3161 days ago · 10 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d9vc. Read Fri, Oct 2, 2026, 7:07 AM UTC.