M4.8 earthquake 30 km WNW of Hihifo, Tonga
A magnitude 4.8 earthquake struck 30 km WNW of Hihifo, Tonga on Tue, Jul 23, 2019, 5:34 PM GMT+13 (04:34 UTC), 118 km (74 mi) below the surface.
A larger quake followed: M4.9 85 km N 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
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-07-23 04:34:09 UTC
- Depth
- 118.3 km (73.5 mi), intermediate-depth
- Epicenter
- 15.895° S, 174.071° 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, 5.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 81°
- Stations used
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.819 km W of Hihifo, Tonga · 2621 days ago · 57 km deep · 13 km away
- 4.573 km SSE of Hihifo, Tonga · 2620 days ago · 35 km deep · 96 km away
- 4.247 km ESE of Hihifo, Tonga · 2607 days ago · 98 km deep · 78 km away
- 4.746 km NNE of Hihifo, Tonga · 2605 days ago · 89 km deep · 56 km away
- 4.575 km NNW of Hihifo, Tonga · 2579 days ago · 63 km deep · 69 km away
- 4.985 km N of Hihifo, Tonga · 2575 days ago · 73 km deep · 82 km away
- 4.549 km SE of Hihifo, Tonga · 2574 days ago · 37 km deep · 77 km away
- 4.977 km SW of Hihifo, Tonga · 2573 days ago · 193 km deep · 66 km away
- 4.662 km S of Hihifo, Tonga · 2573 days ago · 42 km deep · 72 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70004r10. Read Sat, Oct 3, 2026, 4:14 AM UTC.