M4.3 earthquake 278 km W of Haveluloto, Tonga
A magnitude 4.3 earthquake struck 278 km W of Haveluloto, Tonga on Sun, Jul 17, 2016, 9:04 AM GMT+13 (20:04 UTC), 504 km (313 mi) below the surface.
A larger quake followed: M4.8 270 km WNW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-07-16 20:04:57 UTC
- Depth
- 503.5 km (312.9 mi), deep
- Epicenter
- 20.859° S, 177.877° 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 13.7 km horizontally, 15.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 232°, poorly surrounded by stations
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 14 in the 30 days before it.
After
- 4.2Fiji region · 3727 days ago · 606 km deep · 97 km away
- 4.1Fiji region · 3723 days ago · 611 km deep · 62 km away
- 4.7Fiji region · 3722 days ago · 578 km deep · 82 km away
- 4.3Fiji region · 3717 days ago · 559 km deep · 69 km away
- 4.3Fiji region · 3715 days ago · 579 km deep · 80 km away
- 4.4216 km W of Haveluloto, Tonga · 3712 days ago · 523 km deep · 63 km away
- 4.4Fiji region · 3711 days ago · 554 km deep · 80 km away
- 4.4Fiji region · 3709 days ago · 580 km deep · 71 km away
- 4.5Fiji region · 3704 days ago · 607 km deep · 42 km away
- 4.1Fiji region · 3700 days ago · 564 km deep · 73 km away
- 4.1Fiji region · 3699 days ago · 563 km deep · 65 km away
- 4.4270 km WNW of Haveluloto, Tonga · 3698 days ago · 567 km deep · 100 km away
- 4.5292 km WNW of Haveluloto, Tonga · 3697 days ago · 528 km deep · 33 km away
- 4.3Fiji region · 3696 days ago · 469 km deep · 57 km away
- 4.2Fiji region · 3694 days ago · 566 km deep · 40 km away
- 4.3Fiji region · 3694 days ago · 566 km deep · 55 km away
- 4.1280 km W of Haveluloto, Tonga · 3691 days ago · 480 km deep · 4 km away
- 4.1258 km WNW of Haveluloto, Tonga · 3689 days ago · 384 km deep · 65 km away
- 4.0Fiji region · 3689 days ago · 619 km deep · 78 km away
- 4.1Fiji region · 3689 days ago · 559 km deep · 91 km away
- 4.8270 km WNW of Haveluloto, Tonga · 3687 days ago · 508 km deep · 69 km away
- 4.3Fiji region · 3685 days ago · 532 km deep · 49 km away
- 4.3Fiji region · 3685 days ago · 616 km deep · 73 km away
- 4.3Fiji region · 3682 days ago · 537 km deep · 46 km away
- 4.3Fiji region · 3680 days ago · 545 km deep · 51 km away
- 4.3Fiji region · 3680 days ago · 574 km deep · 97 km away
- 4.5Fiji region · 3679 days ago · 547 km deep · 61 km away
- 4.8Fiji region · 3678 days ago · 571 km deep · 95 km away
- 4.5Fiji region · 3677 days ago · 558 km deep · 68 km away
- 4.0263 km W of Haveluloto, Tonga · 3672 days ago · 496 km deep · 23 km away
Before
- 4.3276 km WNW of Haveluloto, Tonga · 3729 days ago · 539 km deep · 39 km away
- 4.6268 km W of Haveluloto, Tonga · 3731 days ago · 467 km deep · 27 km away
- 4.4Fiji region · 3733 days ago · 544 km deep · 79 km away
- 4.4293 km W of Haveluloto, Tonga · 3734 days ago · 516 km deep · 17 km away
- 4.4Fiji region · 3739 days ago · 566 km deep · 90 km away
- 4.3Fiji region · 3739 days ago · 584 km deep · 91 km away
- 4.2Fiji region · 3741 days ago · 534 km deep · 39 km away
- 4.2258 km WNW of Haveluloto, Tonga · 3742 days ago · 495 km deep · 94 km away
- 4.3267 km WNW of Haveluloto, Tonga · 3746 days ago · 363 km deep · 93 km away
- 4.4Fiji region · 3748 days ago · 544 km deep · 49 km away
- 4.0231 km WNW of Haveluloto, Tonga · 3749 days ago · 397 km deep · 77 km away
- 4.5Fiji region · 3754 days ago · 595 km deep · 65 km away
- 4.7Fiji region · 3755 days ago · 597 km deep · 87 km away
- 4.2241 km WNW of Haveluloto, Tonga · 3755 days ago · 459 km deep · 81 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20006gf9. Read Fri, Oct 2, 2026, 1:47 AM UTC.