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Strong mag. 5.4 earthquake - South Pacific Ocean on 6 May 5:20 am (GMT +10)

Strong magnitude 5.4 earthquake at 10 km depth

5 May 19:33 UTC: First to report: EMSC after 13 minutes.
5 May 19:35: Epicenter location corrected by 1.8 km (1.1 mi) towards E.
... [show all] ...
5 May 20:51: Epicenter location corrected by 1.1 km (0.7 mi) towards S.

Earthquake details

Date & time	May 5, 2021 19:20:09 UTC
Local time at epicenter	6 May 5:20 am (GMT +10)
Status	Confirmed
Magnitude	5.4
Depth	10.0 km
Epicenter latitude / longitude	56.96°S / 147.54°E
Antipode	56.96°N / 32.46°W
Shaking intensity	Strong shaking near epicenter
Felt	3 reports
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities
Weather at epicenter at time of quake	Overcast Clouds 2.2°C (36 F), humidity: 87%, wind: 14 m/s (28 kts) from NW
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	WEST OF MACQUARIE ISLAND	EMSC
5.4	10 km	West of Macquarie Island	GFZ
5.4	10 km	West of Macquarie Island	USGS
5.4	8.1 km	West of Macquarie Island	GeoAu

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User reports for this quake (3)

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

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Mitch swarthout, Jurupa Valley, California.91752 / Weak shaking (MMI III) / single vertical bump / 15-20 s : Large Large up/ down rolling bump with whimpers of distancing waves motions for 10/15 sec. I looked at cell phone and Time was 10:47p.m. pst

mitch3766@yahoo.com / Weak shaking (MMI III) / single vertical bump / 15-20 s

nagaon / Weak shaking (MMI III) / 1-2 minutes

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