M4.1 earthquake 153 km ESE of ‘Ohonua, Tonga
A magnitude 4.1 earthquake struck 153 km ESE of ‘Ohonua, Tonga on Mon, Jul 22, 2019, 5:18 PM GMT+13 (04:18 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 125 km E 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-07-22 04:18:42 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.095° S, 173.706° 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 12.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- Operator assigned
- Station coverage gap
- 159°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.471 km ESE of ‘Ohonua, Tonga · 2627 days ago · 10 km deep · 86 km away
- 4.377 km E of ‘Ohonua, Tonga · 2621 days ago · 10 km deep · 99 km away
- 4.6121 km ESE of ‘Ohonua, Tonga · 2613 days ago · 10 km deep · 33 km away
- 5.1125 km E of ‘Ohonua, Tonga · 2598 days ago · 10 km deep · 69 km away
- 5.1130 km E of ‘Ohonua, Tonga · 2597 days ago · 10 km deep · 75 km away · felt by 1
- 4.9117 km E of ‘Ohonua, Tonga · 2587 days ago · 10 km deep · 92 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60004xfu. Read Sat, Oct 3, 2026, 11:00 AM UTC.