M4.2 earthquake 156 km NNW of Neiafu, Tonga
A magnitude 4.2 earthquake struck 156 km NNW of Neiafu, Tonga on Sun, Jun 18, 2017, 4:47 PM GMT-12 (04:47 UTC), 240 km (149 mi) below the surface.
A larger quake followed: M4.7 131 km S of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-06-19 04:47:48 UTC
- Depth
- 239.6 km (148.9 mi), intermediate-depth
- Epicenter
- 17.443° S, 174.744° 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 14.6 km horizontally, 8.9 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 141°
- Stations used
- 30
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.4156 km WNW of Neiafu, Tonga · 3392 days ago · 211 km deep · 93 km away
- 4.7131 km S of Hihifo, Tonga · 3369 days ago · 90 km deep · 95 km away
- 4.1173 km NW of Neiafu, Tonga · 3367 days ago · 242 km deep · 21 km away
- 4.5139 km NNW of Neiafu, Tonga · 3365 days ago · 80 km deep · 40 km away
- 4.1125 km SSW of Hihifo, Tonga · 3358 days ago · 130 km deep · 81 km away
- 4.7145 km NW of Neiafu, Tonga · 3358 days ago · 218 km deep · 35 km away
- 4.396 km N of Neiafu, Tonga · 3358 days ago · 10 km deep · 73 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009pad. Read Fri, Oct 2, 2026, 4:51 AM UTC.