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Light mag. 4.8 earthquake - South Pacific Ocean, Fiji, on Sunday, Mar 19, 2023 at 11:14 am (GMT +12) -

Light magnitude 4.8 earthquake at 553 km depth

18 Mar 23:31 UTC: First to report: USGS after 17 minutes.

Earthquake details

Date & time	Mar 18, 2023 23:14:46 UTC -
Local time at epicenter	Sunday, Mar 19, 2023 at 11:14 am (GMT +12)
Status	Confirmed
Magnitude	4.8
Depth	552.9 km
Epicenter latitude / longitude	18.1178°S / 178.0417°W (South Pacific Ocean, Fiji)
Antipode	18.118°N / 1.958°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	431 km (268 mi) WNW of Bangai (Pangai, Tonga) (pop: 1,740) \| Show on map \| Quakes nearby 449 km (279 mi) NW of Nukalofa (Nuku'alofa, Tonga) (pop: 22,400) \| Show on map \| Quakes nearby 449 km (279 mi) NW of Nuku‘alofa (Tonga) (pop: 22,400) \| Show on map \| Quakes nearby 458 km (284 mi) NW of Kolonga (Tonga) (pop: 1,100) \| Show on map \| Quakes nearby 482 km (300 mi) NW of ‘Ohonua (Ohonua, Tonga) (pop: 1,240) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1 x 10¹² joules (278 megawatt hours, equivalent to 239 tons of TNT) \| 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
4.8	553 km	Fiji Region	USGS
4.8	553 km	Fiji Islands Region	RaspberryShake
4.8	553 km	FIJI REGION	EMSC
4.8	10 km	Fiji Islands Region	IRIS
4.4	566 km	Fiji Islands Region	GFZ

Most recent quakes Top 20 past 24 hrs Quakes in Tonga

Seismograms

Seismic station: Maopo'opo, Futuna (FUTU/G network) | Distance from quake: 424 km / 263 mi | Show on map | Station Info

Seismic station Maopo'opo, Futuna: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

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

There are no user reports for this quake.

Earlier earthquakes in the same area

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