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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.

Earthquake details

Date & timeSep 12, 2021 02:57:41 UTC
Local time at epicenterSunday, Sep 12, 2021 at 1:57 pm (GMT +11)
Depth38.0 km
Epicenter latitude / longitude12.59°S / 166.2°E (Coral Sea, Vanuatu)
Antipode12.59°N / 13.8°W
Shaking intensityModerate shaking
Felt1 report
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoSuretamatai (199 km / 124 mi)
Nearby towns and cities205 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 quakeClear Sky 27.3°C (81 F), humidity: 77%, wind: 7 m/s (13 kts) from ESE
Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) | about seismic energy
Show interactive Map
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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  


[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

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