M4.5 earthquake Tonga
A magnitude 4.5 earthquake struck in Tonga on Tue, Jul 26, 2016, 11:50 PM GMT+13 (10:50 UTC), 4 km (3 mi) below the surface.
A larger quake followed: M5.1 165 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-07-26 10:50:20 UTC
- Depth
- 4.2 km (2.6 mi), shallow
- Epicenter
- 16.268° S, 173.065° 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 11.1 km horizontally, 5.7 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 122°
- Stations used
- 35
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 2 in the 30 days before it.
After
- 4.888 km NE of Hihifo, Tonga · 3720 days ago · 21 km deep · 92 km away
- 5.1165 km SE of Hihifo, Tonga · 3720 days ago · 10 km deep · 84 km away
- 4.5131 km ENE of Hihifo, Tonga · 3679 days ago · 70 km deep · 89 km away
- 4.4106 km SSE of Hihifo, Tonga · 3676 days ago · 45 km deep · 79 km away
- 4.187 km SE of Hihifo, Tonga · 3674 days ago · 138 km deep · 34 km away
- 4.1115 km ENE of Hihifo, Tonga · 3664 days ago · 81 km deep · 90 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100068fm. Read Sun, Oct 4, 2026, 8:58 AM UTC.