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

Moderate mag. 5.4 earthquake - Coral Sea, Vanuatu, on Sunday, Sep 12, 2021 at 1:57 pm (GMT +11) 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.
Date & time: Sep 12, 2021 02:57:41 UTC -
Local time at epicenter: Sunday, Sep 12, 2021 at 1:57 pm (GMT +11)
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
Nearest volcano: Suretamatai (199 km / 124 mi)
Nearby towns and cities:
205 km (127 mi) NW of Sola (pop: 1,170) --> See nearby quakes!
212 km (132 mi) SSE of Lata (Santa Cruz Islands, Solomon Islands) (pop: 553) --> See nearby quakes!
289 km (179 mi) NNW of Port-Olry (pop: 1,950) --> See nearby quakes!
342 km (213 mi) NNW of Santo (Luganville) (pop: 13,400) --> See nearby quakes!
408 km (253 mi) NNW of Norsup (pop: 3,000) --> See nearby quakes!
71 km (44 mi) NNW of Hiw Island (pop: 269) --> See nearby quakes!
411 km (256 mi) NNW of Pentecost Island (pop: 16,800) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 27.3°C (81 F), humidity: 77%, wind: 7 m/s (13 kts) from ESE
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 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.
5.438 kmVanuatu: Santa Cruz IslandsGFZ
5.017 kmVanuatu: Santa Cruz IslandsBMKG
5.410 kmVanuatu: Near NouméaRENASS
5.428 kmVanuatu: 204 Km SSE of Lata, Solomon IslandsUSGS
5.440 kmVanuatu: Santa Cruz IslandsGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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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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Recorded aftershocks, latest first (0 quake)

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