M4.4 earthquake 167 km E of Neiafu, Tonga
A magnitude 4.4 earthquake struck 167 km E of Neiafu, Tonga on Fri, Jul 19, 2019, 9:42 PM GMT-11 (08:42 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 218 km ENE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-07-20 08:42:33 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.435° S, 172.418° 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 8.9 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 75°
- Stations used
- 20
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5139 km NE of Neiafu, Tonga · 2590 days ago · 10 km deep · 88 km away
- 4.6218 km ENE of Neiafu, Tonga · 2571 days ago · 10 km deep · 67 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60004vz9. Read Thu, Oct 1, 2026, 2:15 PM UTC.