M4.5 earthquake 171 km WSW of Haveluloto, Tonga
A magnitude 4.5 earthquake struck 171 km WSW of Haveluloto, Tonga on Thu, Sep 12, 2019, 8:27 PM GMT+13 (07:27 UTC), 152 km (94 mi) below the surface.
A larger quake followed: M5.4 183 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-12 07:27:25 UTC
- Depth
- 152.0 km (94.5 mi), intermediate-depth
- Epicenter
- 21.997° S, 176.601° 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, 7.0 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 58°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.3245 km SW of Vaini, Tonga · 2563 days ago · 164 km deep · 82 km away
- 5.2263 km SW of Haveluloto, Tonga · 2561 days ago · 226 km deep · 95 km away
- 5.4183 km SW of Haveluloto, Tonga · 2523 days ago · 152 km deep · 15 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60005lbh. Read Fri, Oct 2, 2026, 1:03 AM UTC.