M4.8 earthquake 238 km W of Pangai, Tonga
A magnitude 4.8 earthquake struck 238 km W of Pangai, Tonga on Sat, Jan 21, 1984, 1:04 AM GMT+13 (12:04 UTC), 331 km (205 mi) below the surface.
A larger quake followed: M5.3 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1984-01-20 12:04:48 UTC
- Depth
- 330.6 km (205.4 mi), deep
- Epicenter
- 19.425° S, 176.594° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.3Fiji region · 15572 days ago · 579 km deep · 88 km away
- 5.3266 km WNW of Pangai, Tonga · 15540 days ago · 33 km deep · 72 km away
- 5.1243 km NW of Haveluloto, Tonga · 15532 days ago · 360 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00021dp. Read Tue, Sep 22, 2026, 10:55 AM UTC.