M4.5 earthquake 38 km NW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 38 km NW of Hihifo, Tonga on Tue, Mar 21, 2017, 3:17 AM GMT+14 (13:17 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M5.5 65 km SSE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-03-20 13:17:35 UTC
- Depth
- 102.9 km (64.0 mi), intermediate-depth
- Epicenter
- 15.757° S, 174.089° 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 14.0 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 145°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.626 km N of Hihifo, Tonga · 3476 days ago · 66 km deep · 28 km away
- 4.827 km NNE of Hihifo, Tonga · 3476 days ago · 35 km deep · 44 km away
- 4.516 km SSE of Hihifo, Tonga · 3475 days ago · 110 km deep · 53 km away
- 5.064 km NNE of Hihifo, Tonga · 3473 days ago · 71 km deep · 61 km away
- 4.485 km N of Hihifo, Tonga · 3468 days ago · 48 km deep · 76 km away
- 4.492 km NNW of Hihifo, Tonga · 3458 days ago · 102 km deep · 65 km away
- 5.119 km SSW of Hihifo, Tonga · 3455 days ago · 97 km deep · 49 km away
- 4.536 km ESE of Hihifo, Tonga · 3454 days ago · 129 km deep · 74 km away
- 4.925 km SSE of Hihifo, Tonga · 3448 days ago · 66 km deep · 63 km away
- 4.425 km SSE of Hihifo, Tonga · 3446 days ago · 86 km deep · 63 km away
- 5.565 km SSE of Hihifo, Tonga · 3445 days ago · 59 km deep · 98 km away · felt by 1
- 4.3Tonga · 3443 days ago · 267 km deep · 83 km away
- 4.499 km N of Hihifo, Tonga · 3425 days ago · 64 km deep · 83 km away
Before
- 4.749 km SW of Hihifo, Tonga · 3486 days ago · 127 km deep · 51 km away
- 4.3108 km N of Hihifo, Tonga · 3497 days ago · 32 km deep · 97 km away
- 4.460 km N of Hihifo, Tonga · 3498 days ago · 113 km deep · 54 km away
- 4.398 km NNE of Hihifo, Tonga · 3503 days ago · 35 km deep · 99 km away
- 4.745 km NE of Hihifo, Tonga · 3510 days ago · 10 km deep · 69 km away
- 4.656 km N of Hihifo, Tonga · 3510 days ago · 69 km deep · 50 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008va9. Read Fri, Oct 2, 2026, 11:40 PM UTC.