M4.6 earthquake 56 km W of Neiafu, Tonga
A magnitude 4.6 earthquake struck 56 km W of Neiafu, Tonga on Sun, Mar 15, 2015, 11:01 AM GMT+13 (22:01 UTC), 20 km (13 mi) below the surface.
A larger quake followed: M5.1 33 km WNW 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-03-14 22:01:34 UTC
- Depth
- 20.3 km (12.6 mi), shallow
- Epicenter
- 18.657° S, 174.515° 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 7.6 km horizontally, 6.7 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- FROM_LOCATION
- Station coverage gap
- 77°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.652 km WNW of Neiafu, Tonga · 4222 days ago · 35 km deep · 16 km away
- 4.4101 km NW of Pangai, Tonga · 4219 days ago · 73 km deep · 59 km away
- 4.441 km WNW of Neiafu, Tonga · 4217 days ago · 43 km deep · 32 km away
- 4.471 km NW of Pangai, Tonga · 4217 days ago · 243 km deep · 84 km away
- 4.7107 km WSW of Neiafu, Tonga · 4213 days ago · 72 km deep · 58 km away
- 5.133 km WNW of Neiafu, Tonga · 4194 days ago · 35 km deep · 25 km away · felt by 1
- 4.7154 km W of Neiafu, Tonga · 4182 days ago · 208 km deep · 99 km away
- 4.244 km W of Neiafu, Tonga · 4177 days ago · 191 km deep · 13 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001nfl. Read Mon, Oct 5, 2026, 4:07 AM UTC.