M4.4 earthquake 71 km NW of Pangai, Tonga
A magnitude 4.4 earthquake struck 71 km NW of Pangai, Tonga on Fri, Mar 20, 2015, 10:00 AM GMT+13 (21:00 UTC), 243 km (151 mi) below the surface.
A larger quake followed: M4.8 47 km WSW 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
- 2015-03-19 21:00:39 UTC
- Depth
- 242.8 km (150.9 mi), intermediate-depth
- Epicenter
- 19.351° S, 174.831° 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 14.8 km horizontally, 11.7 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- FROM_LOCATION
- Station coverage gap
- 146°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.7107 km WSW of Neiafu, Tonga · 4213 days ago · 72 km deep · 44 km away
- 4.244 km W of Neiafu, Tonga · 4177 days ago · 191 km deep · 95 km away
- 4.847 km WSW of Neiafu, Tonga · 4161 days ago · 89 km deep · 79 km away · felt by 2
- 4.068 km WSW of Neiafu, Tonga · 4161 days ago · 63 km deep · 56 km away
- 4.546 km W of Neiafu, Tonga · 4161 days ago · 85 km deep · 82 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001q6s. Read Mon, Oct 5, 2026, 4:07 AM UTC.