M4.1 earthquake 127 km SSW of Hihifo, Tonga
A magnitude 4.1 earthquake struck 127 km SSW of Hihifo, Tonga on Sat, Jul 15, 2023, 6:06 AM GMT-12 (18:06 UTC), 174 km (108 mi) below the surface.
A larger quake followed: M4.6 80 km SSW of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-07-15 18:06:00 UTC
- Depth
- 174.1 km (108.2 mi), intermediate-depth
- Epicenter
- 16.923° S, 174.450° 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 8.5 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 72°
- Stations used
- 24
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5153 km SW of Hihifo, Tonga · 1174 days ago · 205 km deep · 44 km away
- 4.2121 km SSW of Hihifo, Tonga · 1174 days ago · 136 km deep · 25 km away
- 4.3145 km SSW of Hihifo, Tonga · 1172 days ago · 128 km deep · 35 km away
- 4.5183 km NW of Neiafu, Tonga · 1168 days ago · 276 km deep · 74 km away
- 4.4126 km S of Hihifo, Tonga · 1150 days ago · 108 km deep · 53 km away
- 4.1171 km SW of Hihifo, Tonga · 1146 days ago · 250 km deep · 45 km away
- 4.5120 km S of Hihifo, Tonga · 1143 days ago · 140 km deep · 49 km away
- 4.2169 km NW of Neiafu, Tonga · 1119 days ago · 260 km deep · 97 km away
- 4.680 km SSW of Hihifo, Tonga · 1118 days ago · 136 km deep · 49 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000khf1. Read Sat, Oct 3, 2026, 5:42 AM UTC.