M4.9 earthquake 193 km SW of Haveluloto, Tonga
A magnitude 4.9 earthquake struck 193 km SW of Haveluloto, Tonga on Sat, Aug 3, 2019, 8:02 AM GMT+13 (19:02 UTC), 130 km (80 mi) below the surface.
A larger quake followed: M5.2 263 km SW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-08-02 19:02:48 UTC
- Depth
- 129.5 km (80.5 mi), intermediate-depth
- Epicenter
- 22.254° S, 176.667° 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 12.5 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 53
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.2165 km WSW of Haveluloto, Tonga · 2613 days ago · 175 km deep · 33 km away
- 4.4248 km SW of Vaini, Tonga · 2589 days ago · 97 km deep · 74 km away
- 4.1246 km WSW of Haveluloto, Tonga · 2587 days ago · 383 km deep · 83 km away
- 4.5171 km WSW of Haveluloto, Tonga · 2577 days ago · 152 km deep · 29 km away
- 4.3245 km SW of Vaini, Tonga · 2564 days ago · 164 km deep · 54 km away
- 5.2263 km SW of Haveluloto, Tonga · 2561 days ago · 226 km deep · 70 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us600052v6. Read Fri, Oct 2, 2026, 12:46 PM UTC.