M4.4 earthquake 90 km S of Hihifo, Tonga
A magnitude 4.4 earthquake struck 90 km S of Hihifo, Tonga on Sun, May 19, 2019, 1:18 AM GMT+13 (12:18 UTC), 118 km (73 mi) below the surface.
A larger quake followed: M4.6 32 km S 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
- 4.4 (mb), light
- Local time
- UTC
- 2019-05-18 12:18:55 UTC
- Depth
- 117.6 km (73.1 mi), intermediate-depth
- Epicenter
- 16.764° S, 173.894° 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 10.1 km horizontally, 9.9 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 109°
- Stations used
- 19
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 6 in the 30 days before it.
After
- 4.4142 km NNE of Neiafu, Tonga · 2662 days ago · 35 km deep · 88 km away
- 4.632 km S of Hihifo, Tonga · 2658 days ago · 146 km deep · 60 km away
- 4.5148 km S of Hihifo, Tonga · 2654 days ago · 41 km deep · 59 km away
Before
- 4.6112 km SSW of Hihifo, Tonga · 2692 days ago · 51 km deep · 30 km away
- 5.2121 km S of Hihifo, Tonga · 2700 days ago · 94 km deep · 33 km away
- 4.6119 km NNE of Neiafu, Tonga · 2701 days ago · 35 km deep · 96 km away
- 4.459 km SW of Hihifo, Tonga · 2703 days ago · 160 km deep · 54 km away
- 4.5126 km S of Hihifo, Tonga · 2708 days ago · 91 km deep · 36 km away
- 4.3Tonga · 2711 days ago · 183 km deep · 79 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60003rrh. Read Tue, Sep 29, 2026, 10:51 PM UTC.