M4.6 earthquake 99 km SE of Hihifo, Tonga
A magnitude 4.6 earthquake struck 99 km SE of Hihifo, Tonga on Wed, Nov 18, 2020, 6:07 AM GMT+14 (16:07 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M5.1 98 km SE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 2020-11-17 16:07:54 UTC
- Depth
- 22.4 km (13.9 mi), shallow
- Epicenter
- 16.550° S, 173.096° 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 14.1 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 89°
- Stations used
- 20
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 3 in the 30 days before it.
After
- 4.996 km SSE of Hihifo, Tonga · 2140 days ago · 84 km deep · 62 km away
- 4.7100 km SSE of Hihifo, Tonga · 2139 days ago · 83 km deep · 42 km away
- 4.478 km ESE of Hihifo, Tonga · 2135 days ago · 10 km deep · 45 km away
- 4.695 km SSE of Hihifo, Tonga · 2134 days ago · 10 km deep · 53 km away
- 4.693 km SSE of Hihifo, Tonga · 2134 days ago · 19 km deep · 53 km away
- 4.668 km ENE of Hihifo, Tonga · 2121 days ago · 10 km deep · 98 km away
- 5.198 km SE of Hihifo, Tonga · 2117 days ago · 10 km deep · 16 km away
- 4.9162 km SSE of Hihifo, Tonga · 2116 days ago · 10 km deep · 74 km away
- 4.313 km SE of Hihifo, Tonga · 2103 days ago · 98 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000cqs9. Read Wed, Sep 30, 2026, 11:31 AM UTC.