M4.9 earthquake 45 km NNE of Pangai, Tonga
A magnitude 4.9 earthquake struck 45 km NNE of Pangai, Tonga on Sat, Oct 3, 2020, 6:12 AM GMT+13 (17:12 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.0 62 km NE 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), light
- Local time
- UTC
- 2020-10-02 17:12:58 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 19.431° S, 174.189° W
- Region
- Tonga
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 47°
- Stations used
- 109
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.948 km NE of Pangai, Tonga · 2186 days ago · 35 km deep · 11 km away · felt by 1
- 4.673 km NE of Pangai, Tonga · 2185 days ago · 35 km deep · 41 km away
- 4.464 km S of Neiafu, Tonga · 2183 days ago · 35 km deep · 26 km away
- 4.863 km NNE of Pangai, Tonga · 2181 days ago · 10 km deep · 19 km away
- 4.1Tonga · 2172 days ago · 23 km deep · 19 km away
- 5.062 km NE of Pangai, Tonga · 2170 days ago · 10 km deep · 22 km away
Before
- 4.661 km S of Neiafu, Tonga · 2189 days ago · 35 km deep · 31 km away
- 4.458 km NNE of Pangai, Tonga · 2189 days ago · 35 km deep · 16 km away
- 4.463 km SSW of Neiafu, Tonga · 2189 days ago · 27 km deep · 26 km away
- 4.634 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 22 km away
- 4.247 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 25 km away
- 4.747 km NNE of Pangai, Tonga · 2190 days ago · 35 km deep · 2 km away
- 4.656 km N of Pangai, Tonga · 2190 days ago · 35 km deep · 15 km away
- 4.459 km NE of Pangai, Tonga · 2190 days ago · 35 km deep · 21 km away
- 6.439 km NE of Pangai, Tonga · 2190 days ago · 28 km deep · 14 km away · felt by 9 · tsunami flag
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c4xg. Read Tue, Sep 29, 2026, 3:32 PM UTC.