M4.7 earthquake 136 km S of ?Ohonua, Tonga
A magnitude 4.7 earthquake struck 136 km S of ?Ohonua, Tonga on Wed, Jul 19, 2023, 8:51 AM GMT+13 (19:51 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.7 151 km S of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-07-18 19:51:44 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.571° S, 174.940° 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 9.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 169°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.7151 km S of ‘Ohonua, Tonga · 1170 days ago · 10 km deep · 23 km away
- 4.9155 km SSW of ‘Ohonua, Tonga · 1170 days ago · 10 km deep · 51 km away
- 4.8144 km S of ‘Ohonua, Tonga · 1164 days ago · 10 km deep · 8 km away
- 4.3122 km SE of ‘Ohonua, Tonga · 1161 days ago · 10 km deep · 81 km away
- 4.8102 km SSW of ‘Ohonua, Tonga · 1131 days ago · 41 km deep · 50 km away
- 4.7152 km S of ‘Ohonua, Tonga · 1119 days ago · 10 km deep · 17 km away
- 4.6193 km S of ‘Ohonua, Tonga · 1116 days ago · 10 km deep · 60 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000kvpn. Read Sun, Oct 4, 2026, 1:56 AM UTC.