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Very strong mag. 6.2 earthquake - South Pacific Ocean, Tonga, on Thursday, Jan 27, 2022 at 7:40 pm (GMT +13) -

Very strong magnitude 6.2 earthquake at 4 km depth

27 Jan 06:51 UTC: First to report: GFZ after 12 minutes.
27 Jan 06:54: Magnitude recalculated from 5.8 to 5.7. Epicenter location corrected by 9.7 km (6 mi) towards WNW.
27 Jan 07:00: Now using data updates from USGS
27 Jan 07:26: Hypocenter depth recalculated from 14.5 to 4.2 km (from 9 to 2.6 mi). Epicenter location corrected by 8.7 km (5.4 mi) towards NNW.

Earthquake details

Date & time	Jan 27, 2022 06:40:05 UTC -
Local time at epicenter	Thursday, Jan 27, 2022 at 7:40 pm (GMT +13)
Status	Confirmed
Magnitude	6.2
Depth	4.2 km
Epicenter latitude / longitude	19.0681°S / 176.3494°W (South Pacific Ocean, Tonga)
Antipode	19.068°N / 3.651°E
Shaking intensity	Very strong shaking near epicenter
Felt	2 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Kao (154 km / 96 mi)
Nearby towns and cities	225 km (140 mi) WNW of Bangai (Pangai) (pop: 1,740) \| Show on map \| Quakes nearby 253 km (157 mi) W of Neiafu (pop: 4,320) \| Show on map \| Quakes nearby 260 km (161 mi) NNW of Nukalofa (Nuku'alofa) (pop: 22,400) \| Show on map \| Quakes nearby 260 km (161 mi) NNW of Nuku‘alofa (pop: 22,400) \| Show on map \| Quakes nearby 266 km (165 mi) NNW of Kolonga (pop: 1,100) \| Show on map \| Quakes nearby 291 km (181 mi) NNW of ‘Ohonua (Ohonua) (pop: 1,240) \| Show on map \| Quakes nearby 440 km (273 mi) SW of Hihifo (pop: 815) \| Show on map \| Quakes nearby 264 km (164 mi) NNW of Amsterdam Island (pop: 75,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 28.5°C (83 F), humidity: 73%, wind: 6 m/s (11 kts) from E
Estimated seismic energy released	1.3 x 10¹⁴ joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) \| about seismic energy

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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.

Mag.	Depth	Location	Source
6.2	4.2 km	225 Km WNW of Pangai, Tonga	USGS
6.2	10 km	Tonga: FIJI REGION	EMSC
6.2	4.2 km	Tonga: Fiji Islands Region	RaspberryShake
5.3	10 km	Tonga: Near Nouméa	RENASS
6.2	27 km	Tonga: Fiji Islands Region	GFZ
6.3	39 km	Tonga: Fiji Islands Region	GeoAu
6.0	13 km	Tonga [Sea]	INGV

Most recent quakes Top 20 past 24 hrs Quakes in Tonga

Seismograms

Seismic station: Tucson, Arizona (TUC/IU network) | Distance from quake: 9011 km / 5599 mi | Show on map | Station Info

Seismic station Tucson, Arizona: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.02-2.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (6)

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

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Mangaia, Cook Islands / Very weak shaking (MMI II) / very short : Heard a muffled short explosion Felt a shock wave on the floor | 2 users found this interesting.

Suva / not felt : No Quake | 2 users found this interesting.

Brisbane (3257.1 km WSW of epicenter) [Map] / not felt

Mangaia, Cook Islands / Very weak shaking (MMI II) / very short : Heard a muffled short explosion Felt a shock wave on the floor

Sydney Australia / not felt

Fiji Islands / not felt (reported through our app)

Aftershocks

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