M4.5 earthquake 70 km W of Hihifo, Tonga
A magnitude 4.5 earthquake struck 70 km W of Hihifo, Tonga on Thu, Jan 28, 2021, 3:24 PM GMT+14 (01:24 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 33 km NE 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 01:24:30 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.903° S, 174.451° 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 7.5 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 124°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.933 km NE of Hihifo, Tonga · 2060 days ago · 37 km deep · 93 km away
- 4.3119 km W of Hihifo, Tonga · 2051 days ago · 290 km deep · 50 km away
- 4.515 km SSE of Hihifo, Tonga · 2043 days ago · 110 km deep · 76 km away
- 4.4109 km W of Hihifo, Tonga · 2028 days ago · 132 km deep · 41 km away
- 4.323 km W of Hihifo, Tonga · 2022 days ago · 110 km deep · 47 km away
- 4.0115 km W of Hihifo, Tonga · 2012 days ago · 255 km deep · 47 km away
Before
- 4.581 km SW of Hihifo, Tonga · 2071 days ago · 74 km deep · 65 km away
- 4.663 km N of Hihifo, Tonga · 2072 days ago · 85 km deep · 100 km away
- 4.526 km WNW of Hihifo, Tonga · 2080 days ago · 159 km deep · 49 km away
- 4.450 km N of Hihifo, Tonga · 2082 days ago · 62 km deep · 78 km away
- 4.197 km WNW of Hihifo, Tonga · 2084 days ago · 253 km deep · 29 km away
- 4.295 km WSW of Hihifo, Tonga · 2087 days ago · 302 km deep · 37 km away
- 4.2115 km WNW of Hihifo, Tonga · 2093 days ago · 266 km deep · 54 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000demu. Read Wed, Sep 30, 2026, 3:53 AM UTC.