M4.6 earthquake 61 km SW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 61 km SW of Hihifo, Tonga on Tue, Oct 30, 2018, 2:03 PM GMT+14 (00:03 UTC), 60 km (37 mi) below the surface.
A larger quake followed: M5.7 148 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-30 00:03:21 UTC
- Depth
- 59.9 km (37.2 mi), shallow
- Epicenter
- 16.399° S, 174.147° 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 13.4 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 110°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.454 km ESE of Hihifo, Tonga · 2884 days ago · 126 km deep · 94 km away
- 4.916 km NE of Hihifo, Tonga · 2861 days ago · 46 km deep · 78 km away
- 4.7100 km SSE of Hihifo, Tonga · 2860 days ago · 35 km deep · 97 km away
- 5.375 km SSE of Hihifo, Tonga · 2856 days ago · 20 km deep · 68 km away
- 4.292 km S of Hihifo, Tonga · 2838 days ago · 156 km deep · 55 km away
- 4.7137 km SSW of Hihifo, Tonga · 2838 days ago · 140 km deep · 78 km away
- 5.7148 km S of Hihifo, Tonga · 2837 days ago · 120 km deep · 99 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000i7ji. Read Fri, Oct 2, 2026, 2:41 AM UTC.