M4.4 earthquake 149 km NW of Pangai, Tonga
A magnitude 4.4 earthquake struck 149 km NW of Pangai, Tonga on Fri, Jan 16, 2015, 4:26 PM GMT+13 (03:26 UTC), 205 km (128 mi) below the surface.
A larger quake followed: M5.2 86 km W of Neiafu, 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
- 2015-01-16 03:26:23 UTC
- Depth
- 205.2 km (127.5 mi), intermediate-depth
- Epicenter
- 19.010° S, 175.496° 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 11.1 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- FROM_LOCATION
- Station coverage gap
- 105°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.286 km W of Neiafu, Tonga · 4269 days ago · 83 km deep · 78 km away · felt by 1
- 4.3115 km NW of Pangai, Tonga · 4256 days ago · 187 km deep · 34 km away
- 4.4123 km W of Pangai, Tonga · 4253 days ago · 265 km deep · 97 km away
- 4.7151 km WNW of Pangai, Tonga · 4250 days ago · 164 km deep · 52 km away
- 4.9103 km W of Neiafu, Tonga · 4239 days ago · 45 km deep · 65 km away
- 4.9145 km W of Neiafu, Tonga · 4222 days ago · 234 km deep · 66 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000tj5b. Read Mon, Oct 5, 2026, 4:03 AM UTC.