M4.3 earthquake 157 km W of Pangai, Tonga
A magnitude 4.3 earthquake struck 157 km W of Pangai, Tonga on Thu, Aug 22, 2019, 5:03 AM GMT+13 (16:03 UTC), 180 km (112 mi) below the surface.
A larger quake followed: M5.7 227 km WNW of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-08-21 16:03:49 UTC
- Depth
- 179.7 km (111.7 mi), intermediate-depth
- Epicenter
- 19.571° S, 175.839° 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 14.6 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 86°
- Stations used
- 24
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 1 in the 30 days before it.
After
- 5.5114 km NNW of Nuku‘alofa, Tonga · 2595 days ago · 215 km deep · 72 km away · felt by 2
- 4.4126 km NW of Nuku‘alofa, Tonga · 2589 days ago · 257 km deep · 97 km away
- 5.0219 km WNW of Pangai, Tonga · 2587 days ago · 6 km deep · 67 km away
- 5.0183 km WNW of Pangai, Tonga · 2587 days ago · 10 km deep · 37 km away
- 5.7227 km WNW of Pangai, Tonga · 2584 days ago · 10 km deep · 87 km away
- 4.4170 km NW of Pangai, Tonga · 2571 days ago · 175 km deep · 69 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us700058uf. Read Thu, Oct 1, 2026, 10:41 AM UTC.