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Moderate mag. 5.4 earthquake - Coral Sea, Vanuatu, on Sunday, Sep 12, 2021 at 1:57 pm (GMT +11)

Moderate magnitude 5.4 earthquake at 38 km depth

12 Sep 03:09 UTC: First to report: GFZ after 11 minutes.
12 Sep 03:12: Magnitude recalculated from 5.3 to 5.5. Epicenter location corrected by 8.7 km (5.4 mi) towards E.
12 Sep 06:56: Magnitude recalculated from 5.5 to 5.3. Hypocenter depth recalculated from 10.0 to 38.0 km (from 6.2 to 24 mi). Epicenter location corrected by 6.4 km (4 mi) towards ESE.
12 Sep 07:00: Magnitude recalculated from 5.3 to 5.4.

Earthquake details

Date & time	Sep 12, 2021 02:57:41 UTC
Local time at epicenter	Sunday, Sep 12, 2021 at 1:57 pm (GMT +11)
Status	Confirmed
Magnitude	5.4
Depth	38.0 km
Epicenter latitude / longitude	12.59°S / 166.2°E (Coral Sea, Vanuatu)
Antipode	12.59°N / 13.8°W
Shaking intensity	Moderate shaking
Felt	1 report
Primary data source	GFZ (German Research Centre for Geosciences)
Nearest volcano	Suretamatai (199 km / 124 mi)
Nearby towns and cities	205 km (127 mi) NW of Sola (pop: 1,170) \| Show on map \| Quakes nearby 212 km (132 mi) SSE of Lata (Santa Cruz Islands, Solomon Islands) (pop: 553) \| Show on map \| Quakes nearby 289 km (179 mi) NNW of Port-Olry (pop: 1,950) \| Show on map \| Quakes nearby 342 km (213 mi) NNW of Santo (Luganville) (pop: 13,400) \| Show on map \| Quakes nearby 408 km (253 mi) NNW of Norsup (pop: 3,000) \| Show on map \| Quakes nearby 71 km (44 mi) NNW of Hiw Island (pop: 269) \| Show on map \| Quakes nearby 411 km (256 mi) NNW of Pentecost Island (pop: 16,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 27.3°C (81 F), humidity: 77%, wind: 7 m/s (13 kts) from ESE
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	38 km	Vanuatu: Santa Cruz Islands	GFZ
5.3	46 km	Vanuatu: SANTA CRUZ ISLANDS	EMSC
5.0	17 km	Vanuatu: Santa Cruz Islands	BMKG
5.4	10 km	Vanuatu: Near Nouméa	RENASS
5.4	28 km	Vanuatu: 204 Km SSE of Lata, Solomon Islands	USGS
5.4	40 km	Vanuatu: Santa Cruz Islands	GeoAu

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User reports for this quake (1)

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Vanuatu / Moderate shaking (MMI V) / both vertical and horizontal swinging / 15-20 s : The cups broke and plate and glass

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