Tonga earthquakes

M4.6 earthquake 83 km NNW of Hihifo, Tonga

A magnitude 4.6 earthquake struck 83 km NNW of Hihifo, Tonga on Mon, Feb 17, 2020, 5:32 AM GMT+14 (15:32 UTC), 91 km (57 mi) below the surface.

A larger quake followed: M5.3 93 km NNE 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-02-16 15:32:47 UTC
Depth
91.0 km (56.6 mi), intermediate-depth
Epicenter
15.222° S, 173.981° 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 10.6 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
76°
Stations used
63

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 6 in the 30 days before it.

After

  1. 4.589 km N of Hihifo, Tonga · 2420 days ago · 107 km deep · 10 km away
  2. 4.399 km NNE of Hihifo, Tonga · 2411 days ago · 10 km deep · 47 km away
  3. 4.695 km NNE of Hihifo, Tonga · 2407 days ago · 10 km deep · 56 km away
  4. 4.58 km SW of Hihifo, Tonga · 2402 days ago · 112 km deep · 89 km away
  5. 4.7104 km NE of Hihifo, Tonga · 2397 days ago · 10 km deep · 86 km away
  6. 4.484 km N of Hihifo, Tonga · 2381 days ago · 10 km deep · 36 km away
  7. 5.295 km NE of Hihifo, Tonga · 2370 days ago · 10 km deep · 77 km away
  8. 4.249 km NNE of Hihifo, Tonga · 2363 days ago · 88 km deep · 45 km away
  9. 5.393 km NNE of Hihifo, Tonga · 2362 days ago · 22 km deep · 64 km away

Before

  1. 4.481 km N of Hihifo, Tonga · 2422 days ago · 59 km deep · 30 km away
  2. 4.657 km NNW of Hihifo, Tonga · 2427 days ago · 49 km deep · 28 km away
  3. 4.2Tonga · 2439 days ago · 262 km deep · 95 km away
  4. 4.678 km WNW of Hihifo, Tonga · 2440 days ago · 129 km deep · 73 km away
  5. 4.4101 km WNW of Hihifo, Tonga · 2444 days ago · 166 km deep · 92 km away
  6. 4.536 km WNW of Hihifo, Tonga · 2449 days ago · 108 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007rcq. Read Fri, Oct 2, 2026, 11:45 PM UTC.