M4.1 earthquake 111 km WSW of Hihifo, Tonga
A magnitude 4.1 earthquake struck 111 km WSW of Hihifo, Tonga on Wed, Apr 14, 2021, 7:29 AM GMT-12 (19:29 UTC), 298 km (185 mi) below the surface.
A larger quake followed: M4.5 29 km SW 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
- 4.1 (mb), light
- Local time
- UTC
- 2021-04-14 19:29:25 UTC
- Depth
- 297.5 km (184.9 mi), intermediate-depth
- Epicenter
- 16.349° S, 174.754° 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 12.7 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 130°
- Stations used
- 22
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.2139 km WSW of Hihifo, Tonga · 1988 days ago · 305 km deep · 34 km away
- 4.529 km SW of Hihifo, Tonga · 1983 days ago · 10 km deep · 85 km away
- 4.588 km SW of Hihifo, Tonga · 1976 days ago · 170 km deep · 51 km away
- 4.3111 km SSW of Hihifo, Tonga · 1975 days ago · 167 km deep · 91 km away
- 4.2166 km W of Hihifo, Tonga · 1961 days ago · 330 km deep · 74 km away
- 4.5Tonga · 1947 days ago · 10 km deep · 52 km away
- 4.4101 km WNW of Hihifo, Tonga · 1938 days ago · 255 km deep · 97 km away
- 4.3208 km WSW of Hihifo, Tonga · 1938 days ago · 173 km deep · 98 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e39y. Read Wed, Sep 30, 2026, 1:02 AM UTC.