M4.5 earthquake 177 km ESE of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 177 km ESE of ‘Ohonua, Tonga on Mon, May 20, 2019, 4:52 AM GMT+13 (15:52 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 87 km ESE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-05-19 15:52:44 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.205° S, 173.508° 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, 1.9 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 138°
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8116 km E of ‘Ohonua, Tonga · 2680 days ago · 10 km deep · 87 km away
- 4.6142 km E of ‘Ohonua, Tonga · 2680 days ago · 10 km deep · 94 km away
- 5.287 km ESE of ‘Ohonua, Tonga · 2678 days ago · 10 km deep · 100 km away
- 5.0137 km E of ‘Ohonua, Tonga · 2664 days ago · 10 km deep · 85 km away
- 5.1132 km E of ‘Ohonua, Tonga · 2663 days ago · 10 km deep · 84 km away
- 4.9116 km E of ‘Ohonua, Tonga · 2651 days ago · 10 km deep · 83 km away
- 4.5125 km E of ‘Ohonua, Tonga · 2651 days ago · 10 km deep · 90 km away
- 5.099 km ESE of ‘Ohonua, Tonga · 2647 days ago · 10 km deep · 88 km away
- 4.6124 km SE of ‘Ohonua, Tonga · 2642 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 us60003t4l. Read Sat, Oct 3, 2026, 11:18 AM UTC.