M4.5 earthquake 81 km SW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 81 km SW of Hihifo, Tonga on Wed, Jan 27, 2021, 1:06 PM GMT-12 (01:06 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M4.9 148 km SSW 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
- 4.5 (mb), light
- Local time
- UTC
- 2021-01-28 01:06:06 UTC
- Depth
- 73.9 km (45.9 mi), intermediate-depth
- Epicenter
- 16.479° S, 174.328° 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 11.0 km horizontally, 7.8 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 124°
- Stations used
- 20
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.570 km W of Hihifo, Tonga · 2071 days ago · 10 km deep · 65 km away
- 4.9148 km SSW of Hihifo, Tonga · 2061 days ago · 157 km deep · 78 km away
- 4.3174 km SW of Hihifo, Tonga · 2054 days ago · 262 km deep · 94 km away
- 4.3119 km W of Hihifo, Tonga · 2050 days ago · 290 km deep · 84 km away
- 4.515 km SSE of Hihifo, Tonga · 2043 days ago · 110 km deep · 74 km away
- 4.0106 km SSW of Hihifo, Tonga · 2041 days ago · 99 km deep · 47 km away
- 4.4143 km SSW of Hihifo, Tonga · 2032 days ago · 87 km deep · 79 km away
- 4.4110 km SSW of Hihifo, Tonga · 2030 days ago · 140 km deep · 50 km away
- 4.663 km SSE of Hihifo, Tonga · 2030 days ago · 7 km deep · 80 km away
- 4.4109 km W of Hihifo, Tonga · 2028 days ago · 132 km deep · 74 km away
- 4.323 km W of Hihifo, Tonga · 2022 days ago · 110 km deep · 66 km away
- 4.0115 km W of Hihifo, Tonga · 2012 days ago · 255 km deep · 78 km away
Before
- 4.8143 km SSW of Hihifo, Tonga · 2073 days ago · 92 km deep · 85 km away
- 4.526 km WNW of Hihifo, Tonga · 2080 days ago · 159 km deep · 81 km away
- 4.197 km WNW of Hihifo, Tonga · 2084 days ago · 253 km deep · 87 km away
- 4.295 km WSW of Hihifo, Tonga · 2086 days ago · 302 km deep · 49 km away
- 4.6120 km SSW of Hihifo, Tonga · 2087 days ago · 148 km deep · 67 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000demy. Read Wed, Sep 30, 2026, 1:02 AM UTC.