M4.5 earthquake 79 km SE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 79 km SE of Hihifo, Tonga on Sun, Jul 25, 2021, 5:28 PM GMT+13 (04:28 UTC), 68 km (42 mi) below the surface.
A larger quake followed: M5.3 87 km SSE 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
- 2021-07-25 04:28:49 UTC
- Depth
- 67.7 km (42.1 mi), shallow
- Epicenter
- 16.542° S, 173.373° 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 12.9 km horizontally, 6.5 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.
After
- 5.387 km SSE of Hihifo, Tonga · 1887 days ago · 10 km deep · 34 km away
- 5.0102 km SSE of Hihifo, Tonga · 1879 days ago · 35 km deep · 26 km away
- 4.666 km S of Hihifo, Tonga · 1879 days ago · 70 km deep · 42 km away
- 4.551 km SE of Hihifo, Tonga · 1878 days ago · 65 km deep · 34 km away
- 4.386 km SSW of Hihifo, Tonga · 1865 days ago · 70 km deep · 91 km away
- 4.6Tonga · 1863 days ago · 69 km deep · 79 km away
- 4.566 km E of Hihifo, Tonga · 1850 days ago · 35 km deep · 78 km away
- 4.86 km S of Hihifo, Tonga · 1849 days ago · 82 km deep · 74 km away
- 4.4115 km SSW of Hihifo, Tonga · 1840 days ago · 163 km deep · 87 km away
- 5.121 km NNE of Hihifo, Tonga · 1838 days ago · 67 km deep · 93 km away · felt by 3
Before
- 4.620 km WSW of Hihifo, Tonga · 1893 days ago · 113 km deep · 88 km away
- 4.843 km SSE of Hihifo, Tonga · 1895 days ago · 51 km deep · 41 km away
- 4.753 km ENE of Hihifo, Tonga · 1907 days ago · 35 km deep · 88 km away
- 5.075 km E of Hihifo, Tonga · 1909 days ago · 10 km deep · 69 km away
- 4.357 km SE of Hihifo, Tonga · 1913 days ago · 10 km deep · 21 km away
- 4.417 km NNW of Hihifo, Tonga · 1918 days ago · 35 km deep · 96 km away
- 4.5138 km S of Hihifo, Tonga · 1918 days ago · 10 km deep · 80 km away
- 4.4112 km E of Hihifo, Tonga · 1922 days ago · 10 km deep · 84 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f0lh. Read Wed, Sep 30, 2026, 5:31 AM UTC.