M4.8 earthquake 47 km WSW of Neiafu, Tonga
A magnitude 4.8 earthquake struck 47 km WSW of Neiafu, Tonga on Fri, May 15, 2015, 4:42 PM GMT+13 (03:42 UTC), 89 km (55 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-05-15 03:42:46 UTC
- Depth
- 88.9 km (55.2 mi), intermediate-depth
- Epicenter
- 18.749° S, 174.427° W
- Region
- Tonga
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.8 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.065 · 74 stations |
| 5.01 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
What happened
The USGS’s account of the effects of this earthquake.
Felt at Neiafu.
From the USGS event page for us10002967. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.3 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 68
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.068 km WSW of Neiafu, Tonga · 4161 days ago · 63 km deep · 24 km away
- 4.546 km W of Neiafu, Tonga · 4161 days ago · 85 km deep · 3 km away
- 4.681 km WNW of Neiafu, Tonga · 4136 days ago · 42 km deep · 54 km away
- 4.831 km NE of Pangai, Tonga · 4126 days ago · 35 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10002967 (also filed as iscgem607248420). Read Mon, Oct 5, 2026, 7:41 AM UTC.