M4.9 earthquake 87 km ESE of Pangai, Tonga
A magnitude 4.9 earthquake struck 87 km ESE of Pangai, Tonga on Wed, Jul 17, 2019, 6:10 PM GMT+13 (05:10 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 133 km ESE of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-07-17 05:10:00 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.043° S, 173.554° 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 11.0 km horizontally, 1.3 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 83°
- Stations used
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8110 km SE of Pangai, Tonga · 2633 days ago · 10 km deep · 44 km away
- 5.1133 km ESE of Pangai, Tonga · 2633 days ago · 10 km deep · 48 km away
- 5.0125 km ESE of Pangai, Tonga · 2628 days ago · 10 km deep · 42 km away
- 4.9130 km E of Pangai, Tonga · 2602 days ago · 10 km deep · 49 km away
- 4.1117 km SSE of Pangai, Tonga · 2578 days ago · 10 km deep · 75 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70004m1z. Read Sun, Oct 4, 2026, 2:08 PM UTC.