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Strong mag. 6.0 earthquake - Coral Sea, 47 km northeast of Santo, Luganville, Sanma Province, Vanuatu, on Thursday, Mar 24, 2022 at 8:57 am (GMT +11) -

Strong mag. 6.0 earthquake - Coral Sea, 47 km northeast of Santo, Luganville, Sanma Province, Vanuatu, on Thursday, Mar 24, 2022 at 8:57 am (GMT +11) Strong mag. 6.0 earthquake - Coral Sea, 47 km northeast of Santo, Luganville, Sanma Province, Vanuatu, on Thursday, Mar 24, 2022 at 8:57 am (GMT +11)

Strong magnitude 6.0 earthquake at 116 km depth

23 Mar 22:05 UTC: First to report: GFZ after 8 minutes.
23 Mar 22:07: Magnitude recalculated from 5.8 to 5.7. Hypocenter depth recalculated from 120.0 to 124.0 km (from 75 to 77 mi). Epicenter location corrected by 16 km (9.8 mi) towards NNE.
23 Mar 22:16: Now using data updates from USGS
23 Mar 23:20: Magnitude recalculated from 5.9 to 6.0. Hypocenter depth recalculated from 112.9 to 115.7 km (from 70 to 72 mi). Epicenter location corrected by 2.8 km (1.7 mi) towards SSE.

Earthquake details

Date & timeMar 23, 2022 21:57:00 UTC -
Local time at epicenterThursday, Mar 24, 2022 at 8:57 am (GMT +11)
StatusConfirmed
Magnitude6
Depth115.7 km
Epicenter latitude / longitude15.1542°S / 167.3908°E (Coral Sea, Vanuatu)
Antipode15.154°N / 12.609°W
Shaking intensityWeak shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoAoba (54 km / 34 mi)
Nearby towns and cities36 km (23 mi) ESE of Port-Olry (pop: 1,950) | Show on map | Quakes nearby
47 km (30 mi) NNE of Santo (Luganville) (pop: 13,400) | Show on map | Quakes nearby
101 km (63 mi) N of Norsup (pop: 3,000) | Show on map | Quakes nearby
143 km (89 mi) S of Sola (pop: 1,170) | Show on map | Quakes nearby
304 km (189 mi) NNW of Port Vila (pop: 35,900) | Show on map | Quakes nearby
64 km (40 mi) NNE of St. Bartholomew Island (pop: 4,270) | Show on map | Quakes nearby
125 km (77 mi) N of Malakula Island (pop: 22,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 26.9°C (80 F), humidity: 80%, wind: 6 m/s (11 kts) from NNW
Estimated seismic energy released6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.DepthLocationSource
6.0116 km36 Km ESE of Port-Olry, VanuatuUSGS
6.1122 kmVANUATUEMSC
5.5149 kmVanuatu: Near NouméaRENASS
6.0116 kmVanuatu IslandsRaspberryShake
6.0104 kmVanuatu Islands [Sea: Vanuatu]INGV
6.0170 kmVanuatu IslandsGFZ
6.0116 kmVanuatu IslandsGeoAu

Seismograms

Seismic station: Tucson, Arizona (TUC/IU network) | Distance from quake: 10159 km / 6312 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
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User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Brisbane / not felt (reported through our app)
Port vila / Weak shaking (MMI III) (reported through our app)

Aftershocks

[More info]

Recorded aftershocks, latest first (15 quakes)

Date and timeMag
Depth
LocationDetails
Sep 8, 2022 22:13
28 weeks ago
4.6

124 km
Coral Sea, 55 km NE of Santo, Luganville, Sanma Province, VanuatuMore
Sep 5, 2022 18:20
28 weeks ago
4.6

126 km
Coral Sea, 78 km N of Santo, Luganville, Sanma Province, VanuatuMore
Sep 3, 2022 11:35
28 weeks ago
4.7

118 km
Coral Sea, 38 km NE of Santo, Luganville, Sanma Province, VanuatuMore
Sep 3, 2022 11:01
28 weeks ago
4.6

161 km
Coral Sea, 98 km N of Santo, Luganville, Sanma Province, VanuatuMore
Sep 3, 2022 05:57
28 weeks ago
4.8

120 km
Coral Sea, 68 km N of Santo, Luganville, Sanma Province, VanuatuMore
Jul 24, 2022 19:30
34 weeks ago
5.0

129 km
Coral Sea, 78 km N of Santo, Luganville, Sanma Province, VanuatuMore
Jul 14, 2022 23:17
36 weeks ago
5.1

22 km
Coral Sea, 61 km NW of Santo, Luganville, Sanma Province, VanuatuMore
Jul 14, 2022 17:50
36 weeks ago
5.8

22 km
Coral Sea, 58 km NW of Santo, Luganville, Sanma Province, VanuatuMore
Jul 8, 2022 01:01
37 weeks ago
5.4

95 km
Coral Sea, 72 km N of Santo, Luganville, Sanma Province, VanuatuMore
Jun 13, 2022 17:26
40 weeks ago
4.9

224 km
Penama Province, 70 km E of Santo, Luganville, Sanma Province, VanuatuMore
May 11, 2022 14:20
45 weeks ago
5.2

123 km
Coral Sea, 45 km NE of Santo, Luganville, Sanma Province, VanuatuMore
May 6, 2022 08:41
46 weeks ago
5.0

56 km
Coral Sea, 66 km NW of Santo, Luganville, Sanma Province, VanuatuMore
Apr 8, 2022 19:40
50 weeks ago
5.0

111 km
Coral Sea, 70 km NE of Santo, Luganville, Sanma Province, VanuatuMore
Mar 29, 2022 04:08
51 weeks ago
4.5

133 km
Coral Sea, 94 km N of Santo, Luganville, Sanma Province, VanuatuMore
Mar 24, 2022 08:09
52 weeks ago
4.6

133 km
Coral Sea, 51 km NE of Santo, Luganville, Sanma Province, VanuatuMore

Earlier earthquakes in the same area

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