M4.4 earthquake 84 km SSE of Pangai, Tonga
A magnitude 4.4 earthquake struck 84 km SSE of Pangai, Tonga on Mon, Sep 23, 2019, 4:51 PM GMT+13 (03:51 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 122 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-23 03:51:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.548° S, 174.138° 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 8.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 169°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5114 km ESE of Pangai, Tonga · 2557 days ago · 10 km deep · 88 km away
- 4.8105 km ESE of Pangai, Tonga · 2556 days ago · 10 km deep · 93 km away
- 4.483 km ENE of ‘Ohonua, Tonga · 2550 days ago · 10 km deep · 57 km away
- 4.8118 km ESE of Pangai, Tonga · 2547 days ago · 10 km deep · 86 km away
- 5.1122 km E of ‘Ohonua, Tonga · 2546 days ago · 10 km deep · 75 km away
- 5.0113 km ESE of Pangai, Tonga · 2545 days ago · 10 km deep · 93 km away
- 5.179 km NE of ‘Ohonua, Tonga · 2523 days ago · 10 km deep · 44 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005pe0. Read Sat, Oct 3, 2026, 12:15 PM UTC.