Moderate mag. 5.9 earthquake - 148 km southeast of Neiafu, Vava‘u, Tonga, on Wednesday, 21 Oct 1.22 pm (GMT +13) -

Moderate mag. 5.9 earthquake  - 148 km southeast of Neiafu, Vava‘u, Tonga, on Wednesday, 21 Oct 1.22 pm (GMT +13)

Moderate magnitude 5.9 earthquake at 38 km depth

21 Oct 00:32 UTC: First to report: GFZ after 9 minutes.
21 Oct 00:34: Epicenter location corrected by 3.9 km (2.4 mi) towards NW.
... [show all] ...
21 Oct 07:06: Hypocenter depth recalculated from 10.0 to 38.0 km (from 6.2 to 24 mi). Epicenter location corrected by 7.1 km (4.4 mi) towards WSW.
Date & time: 21 Oct 2020 12:22:39 UTC -
Local time at epicenter: Wednesday, 21 Oct 1.22 pm (GMT +13)
Magnitude: 5.9
Depth: 38.0 km
Epicenter latitude / longitude: 19.2°S / 172.7°W (Tonga)
Nearest volcano: Unnamed 18.325°S/174.365°W (225 km / 140 mi)
Nearby towns and cities:
148 km (92 mi) SE of Neiafu (pop: 4,320)
186 km (116 mi) NE of Pangai (pop: 1,740)
293 km (182 mi) W of Alofi (Niue) (pop: 624)
328 km (204 mi) NE of Kolonga (pop: 1,100)
334 km (207 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240)
339 km (210 mi) NE of Nuku‘alofa (Nuku'alofa) (pop: 22,400)
379 km (236 mi) SE of Hihifo (pop: 815)
605 km (376 mi) S of Apia (Samoa) (pop: 40,400)
Weather at epicenter at time of quake:
Overcast Clouds 23.4°C (74 F), humidity: 76%, wind: 9 m/s (17 kts) from SE
Primary data source: GFZ
Estimated released energy: 4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 atomic bombs!) [learn more]
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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.
MagnitudeDepthLocationSource
M 5.938 kmTonga Islands RegionGFZ
M 5.960 km5.8 Tonga RegionEMSC
M 5.943 kmTonga Islands RegionGeoAu
M 6.00.8 kmTonga Islands Region [Sea: Tonga]INGV
M 6.210 kmTonga Islands RegionBMKG
M 5.910 km183 Km ESE of Neiafu, TongaUSGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Newzeland / not felt
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Aftershocks of the 5.9 quake 148 km southeast of Neiafu, Vava‘u, Tonga, 21 Oct 1.22 pm (GMT +13)

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area since 1900

Moderate mag. 5.9 earthquake - 148 km southeast of Neiafu, Vava‘u, Tonga, on Wednesday, 21 Oct 1.22 pm (GMT +13)
    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
    |
    602km / 374mi
    | Fiji Islands Region
  • 29 Sep 2009 17:48
    | 8.1 |
    18km / 11.2mi
    |
    11 years ago
    |
    418km / 260mi
    | Samoa Islands Region
  • 30 Apr 1919 07:17
    | 8.1 |
    25km / 16mi
    |
    102 years ago
    |
    96km / 60mi
    | Tonga Region
  • 03 May 2006 15:26
    | 8.0 |
    55km / 34mi
    |
    15 years ago
    |
    185km / 115mi
    | Tonga
  • 26 Jun 1917 05:49
    | 8.0 |
    15km / 9.3mi
    |
    103 years ago
    |
    505km / 314mi
    | Samoa Islands Region
  • 06 Sep 2018 15:49
    | 7.8 |
    640km / 398mi
    |
    2 years ago
    |
    850km / 528mi
    | Fiji Islands
  • 09 Dec 2007 07:28
    | 7.8 |
    153km / 95mi
    |
    13 years ago
    |
    903km / 561mi
    | South of the Fiji Islands (New Zealand)
  • 14 Oct 1997 09:53
    | 7.8 |
    167km / 104mi
    |
    23 years ago
    |
    533km / 331mi
    | South of the Fiji Islands (Tonga)
  • 26 Dec 1975 15:56
    | 7.8 |
    33km / 21mi
    |
    45 years ago
    |
    327km / 203mi
    | Samoa Islands Region
  • 11 Oct 1975 14:35
    | 7.8 |
    9km / 5.6mi
    |
    45 years ago
    |
    681km / 423mi
    | South of Tonga
  • Show all

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