Tonga earthquakes

M4.9 earthquake 96 km SSE of Hihifo, Tonga

A magnitude 4.9 earthquake struck 96 km SSE of Hihifo, Tonga on Sat, Nov 21, 2020, 7:06 AM GMT+14 (17:06 UTC), 84 km (52 mi) below the surface.

A larger quake followed: M5.1 98 km SE 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
4.9 (mb), light
Local time
UTC
2020-11-20 17:06:59 UTC
Depth
84.4 km (52.4 mi), intermediate-depth
Epicenter
16.806° S, 173.607° 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 8.3 km horizontally, 6.2 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
54°
Stations used
107

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.7100 km SSE of Hihifo, Tonga · 2140 days ago · 83 km deep · 22 km away
  2. 4.478 km ESE of Hihifo, Tonga · 2136 days ago · 10 km deep · 92 km away
  3. 4.695 km SSE of Hihifo, Tonga · 2134 days ago · 10 km deep · 8 km away
  4. 4.693 km SSE of Hihifo, Tonga · 2134 days ago · 19 km deep · 8 km away
  5. 4.136 km SW of Hihifo, Tonga · 2129 days ago · 85 km deep · 78 km away
  6. 5.198 km SE of Hihifo, Tonga · 2117 days ago · 10 km deep · 46 km away
  7. 4.9162 km SSE of Hihifo, Tonga · 2116 days ago · 10 km deep · 78 km away
  8. 4.3135 km SSW of Hihifo, Tonga · 2115 days ago · 84 km deep · 74 km away
  9. 4.3139 km N of Neiafu, Tonga · 2108 days ago · 549 km deep · 72 km away
  10. 4.313 km SE of Hihifo, Tonga · 2103 days ago · 98 km deep · 88 km away
  11. 4.6120 km SSW of Hihifo, Tonga · 2088 days ago · 148 km deep · 51 km away

Before

  1. 4.699 km SE of Hihifo, Tonga · 2143 days ago · 22 km deep · 62 km away
  2. 4.377 km SW of Hihifo, Tonga · 2147 days ago · 110 km deep · 75 km away
  3. 4.3109 km SSE of Hihifo, Tonga · 2149 days ago · 32 km deep · 37 km away
  4. 4.9133 km SSW of Hihifo, Tonga · 2150 days ago · 134 km deep · 67 km away
  5. 4.2106 km SSW of Hihifo, Tonga · 2165 days ago · 141 km deep · 48 km away
  6. 4.665 km S of Hihifo, Tonga · 2170 days ago · 70 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cqwi. Read Wed, Sep 30, 2026, 3:20 PM UTC.