M4.9 earthquake 81 km SE of Neiafu, Tonga
A magnitude 4.9 earthquake struck 81 km SE of Neiafu, Tonga on Mon, Sep 1, 2014, 7:51 AM GMT+13 (18:51 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2014-08-31 18:51:43 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 19.262° S, 173.553° W
- Region
- Tonga
- Felt reports
- 3
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (II) at Neiafu.
From the USGS event page for usc000s8jd. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
3 people 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 13.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 112°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.761 km SE of Neiafu, Tonga · 4382 days ago · 10 km deep · 30 km away
- 4.068 km ENE of Neiafu, Tonga · 4369 days ago · 179 km deep · 99 km away
- 4.774 km SE of Neiafu, Tonga · 4366 days ago · 10 km deep · 7 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000s8jd. Read Mon, Oct 5, 2026, 1:56 PM UTC.