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Moderate mag. 5.6 earthquake - 81 km NNW of Hihifo, Tonga on Monday, 24 August 2020

Moderate mag. 5.6 earthquake  - 81 km NNW of Hihifo, Tonga on Monday, 24 August 2020
24 Aug 17:28 UTC: First to report: USGS after 13 minutes.
Aug 24 19:57: Magnitude recalculated from 5.0 to 5.5.
Aug 25 15:42: Source data changed from GFZ to USGS
Hypocenter depth recalculated from 8.3 to 10.0 km.
Date & time: Monday, 24 August 2020 17:14 UTC
Magnitude: 5.6
Depth: 10.0 km
Epicenter latitude / longitude: 15.3365°S / 174.2146°W (Tonga)
Nearest volcano: Tafu-Maka (9 km / 6 mi)
Nearby towns and cities:
82 km (51 mi) NW of Hihifo (pop: 800)
Primary data source: USGS
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Mon, 24 Aug 17:14 UTCM 5.6 / 10 km81 km NNW of Hihifo, TongaUSGS
Mon, 24 Aug 17:15 UTCM 4.8 / 40 kmTongaEMSC
Mon, 24 Aug 17:14 UTCM 5.5 / 10 kmTonga IslandsGFZ
Mon, 24 Aug 17:14 UTCM 5.1 / 17 kmTonga IslandsBMKG
Mon, 24 Aug 17:14 UTCM 5.6 / 7.1 kmTonga IslandsGeoAu

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.

Aftershocks of the 5.6 quake: 81 km NNW of Hihifo, Tonga, 24 Aug 2020 17h14

Show info about this
List of recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Map of aftershocks

Significant earlier earthquakes in the same area since 1900

Moderate mag. 5.6 earthquake - 81 km NNW of Hihifo, Tonga on Monday, 24 August 2020
    Hint: Click on Date/Time to show latest first
  • Date / time UTC
    | Mag |
    Depth
    |
    Age
    |
    Distance
    | Details
  • 19 Aug 2018 00:19
    | 8.1 |
    566km / 352mi
    |
    2 years ago
    |
    527km / 327mi
    | Fiji Islands Region
  • 29 Sep 2009 17:48
    | 8.1 |
    18km / 11.2mi
    |
    11 years ago
    |
    228km / 142mi
    | Samoa Islands Region
  • 30 Apr 1919 07:17
    | 8.1 |
    25km / 16mi
    |
    101 years ago
    |
    381km / 237mi
    | Tonga Region
  • 03 May 2006 15:26
    | 8.0 |
    55km / 34mi
    |
    14 years ago
    |
    540km / 335mi
    | Tonga
  • 26 Jun 1917 05:49
    | 8.0 |
    15km / 9.3mi
    |
    103 years ago
    |
    97km / 60mi
    | Samoa Islands Region
  • 06 Sep 2018 15:49
    | 7.8 |
    640km / 398mi
    |
    2 years ago
    |
    776km / 482mi
    | Fiji Islands
  • 14 Oct 1997 09:53
    | 7.8 |
    167km / 104mi
    |
    23 years ago
    |
    799km / 497mi
    | South of the Fiji Islands (Tonga)
  • 26 Dec 1975 15:56
    | 7.8 |
    33km / 21mi
    |
    45 years ago
    |
    214km / 133mi
    | Samoa Islands Region
  • 14 Dec 1950 01:52
    | 7.8 |
    216km / 134mi
    |
    70 years ago
    |
    517km / 321mi
    | Tonga
  • 01 Jan 1919 03:00
    | 7.8 |
    485km / 301mi
    |
    102 years ago
    |
    605km / 376mi
    | Fiji Region
  • Show all

Map of earlier quakes

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