M4.5 earthquake 137 km WNW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 137 km WNW of Neiafu, Tonga on Sat, Oct 13, 2018, 12:34 AM GMT+13 (11:34 UTC), 264 km (164 mi) below the surface.
A larger quake followed: M5.0 149 km W 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-12 11:34:57 UTC
- Depth
- 264.1 km (164.1 mi), intermediate-depth
- Epicenter
- 17.989° S, 175.087° 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 10.0 km horizontally, 12.1 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 78°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.0149 km W of Neiafu, Tonga · 2881 days ago · 199 km deep · 81 km away
- 4.5217 km WNW of Neiafu, Tonga · 2859 days ago · 165 km deep · 80 km away
- 4.994 km NW of Neiafu, Tonga · 2858 days ago · 230 km deep · 44 km away
- 4.3192 km WNW of Neiafu, Tonga · 2856 days ago · 233 km deep · 68 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hddr. Read Fri, Oct 2, 2026, 8:10 AM UTC.