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Strong mag. 5.4 earthquake - Solomon Sea, 212 km west of Honiara, Solomon Islands, on Thursday, Dec 8, 2022 at 7:18 am (GMT +11) -

Strong magnitude 5.4 earthquake at 10 km depth

7 Dec 20:26 UTC: First to report: GFZ after 8 minutes.
7 Dec 20:28: Magnitude recalculated from 5.3 to 5.5. Epicenter location corrected by 9 km (5.6 mi) towards N.
... [show all] ...
13 Dec 17:46: Epicenter location corrected by 2.6 km (1.6 mi) towards SE.

Earthquake details

Date & time	Dec 7, 2022 20:18:02 UTC -
Local time at epicenter	Thursday, Dec 8, 2022 at 7:18 am (GMT +11)
Status	Confirmed
Magnitude	5.4
Depth	10.0 km
Epicenter latitude / longitude	9.2356°S / 158.0287°E (Solomon Sea, Solomon Islands)
Antipode	9.236°N / 21.971°W
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Kavachi (25 km / 16 mi)
Nearby towns and cities	181 km (113 mi) SE of Gizo (New Georgia Group) (pop: 6,150) \| Show on map \| Quakes nearby 192 km (119 mi) WNW of Malango (pop: 10,500) \| Show on map \| Quakes nearby 210 km (131 mi) SW of Buala (pop: 2,700) \| Show on map \| Quakes nearby 212 km (132 mi) W of Honiara (pop: 56,300) \| Show on map \| Quakes nearby 233 km (145 mi) W of Tulagi (Florida Islands) (pop: 1,750) \| Show on map \| Quakes nearby 298 km (185 mi) W of Auki (pop: 6,810) \| Show on map \| Quakes nearby 429 km (267 mi) SE of Panguna (Papua New Guinea) (pop: 2,920) \| Show on map \| Quakes nearby 431 km (268 mi) SE of Arawa (Papua New Guinea) (pop: 40,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 28.7°C (84 F), humidity: 69%, wind: 2 m/s (4 kts) from NNW
Estimated seismic energy released	7.9 x 10¹² joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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
5.4	10 km	180 Km SE of Gizo, Solomon Islands	USGS
5.4	10 km	SOLOMON ISLANDS	EMSC
5.4	10 km	Solomon Islands	RaspberryShake
5.6	10 km	Solomon Islands: Near Port Moresby	RENASS
5.4	10 km	Solomon Islands	GeoAu
5.4	10 km	Solomon Islands	GFZ

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Seismograms

Seismic station: Honiara, Solomon Islands (HNR/IU network) | Distance from quake: 212 km / 132 mi | Show on map | Station Info

Seismic station Honiara, Solomon Islands: 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: 0.1-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

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

There are no user reports for this quake.

Aftershocks

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Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

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