M4.9 earthquake 135 km WNW of Pangai, Tonga
A magnitude 4.9 earthquake struck 135 km WNW of Pangai, Tonga on Mon, Dec 14, 2020, 5:19 PM GMT+13 (04:19 UTC), 180 km (112 mi) below the surface.
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
- 2020-12-14 04:19:51 UTC
- Depth
- 179.9 km (111.8 mi), intermediate-depth
- Epicenter
- 19.186° S, 175.464° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.9 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.064 · 78 stations |
| 5.5 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Preliminary |
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 5.9 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 55°
- Stations used
- 110
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.989 km WSW of Neiafu, Tonga · 2082 days ago · 88 km deep · 77 km away
- 4.6208 km WNW of Pangai, Tonga · 2060 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 us7000cqwn (also filed as usauto7000cqwn). Read Fri, Oct 2, 2026, 1:33 AM UTC.