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Strong mag. 5.5 earthquake - South Pacific Ocean, 169 km southwest of Lebu, Provincia de Arauco, Region del Biobio, Chile, on Tuesday, Mar 14, 2023 at 4:56 pm (GMT -3) -

Strong magnitude 5.5 earthquake at 8 km depth

14 Mar 20:00 UTC: First to report: VolcanoDiscovery after 3 minutes.
14 Mar 20:01: Now using data updates from GFZ
... [show all] ...
14 Mar 21:08: Hypocenter depth recalculated from 5.3 to 7.5 km (from 3.3 to 4.7 mi). Epicenter location corrected by 12 km (7.2 mi) towards S.

Earthquake details

Date & time	Mar 14, 2023 19:56:38 UTC -
Local time at epicenter	Tuesday, Mar 14, 2023 at 4:56 pm (GMT -3)
Status	Confirmed
Magnitude	5.5
Depth	7.5 km
Epicenter latitude / longitude	38.4214°S / 75.2851°W (South Pacific Ocean, Chile)
Antipode	38.421°N / 104.715°E
Shaking intensity	Light shaking
Felt	5 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	169 km (105 mi) WSW of Lebu (Arauco) (pop: 22,300) \| Show on map \| Quakes nearby 179 km (111 mi) WSW of Cañete (Arauco) (pop: 20,200) \| Show on map \| Quakes nearby 200 km (124 mi) WSW of Curanilahue (Arauco) (pop: 30,600) \| Show on map \| Quakes nearby 234 km (146 mi) NW of Valdivia (pop: 133,400) \| Show on map \| Quakes nearby 236 km (147 mi) W of Temuco (pop: 238,100) \| Show on map \| Quakes nearby 265 km (165 mi) SW of Concepcion (pop: 215,400) \| Show on map \| Quakes nearby 269 km (167 mi) SW of Talcahuano (pop: 253,000) \| Show on map \| Quakes nearby 692 km (430 mi) SW of Santiago de Chile (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 17.8°C (64 F), humidity: 88%, wind: 11 m/s (21 kts) from NNW
Estimated seismic energy released	1.1 x 10¹³ joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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
5.5	7.5 km	169 Km WSW of Lebu, Chile	USGS
5.5	7.5 km	Off Coast of Central Chile	RaspberryShake
5.5	2 km	OFF COAST OF ARAUCANIA, CHILE	EMSC
5.5	9.8 km	Chile (Peruvian Point of View) [Sea]	INGV
5.5	10 km	162 Km WSW of Lebu, Chile	GFZ
5.1	10 km	Chile: Near Temuco	RENASS
5.5	10 km	Off Coast Of Central Chile	IRIS
5.6	10 km	Off Coast of Central Chile	GeoAu

Most recent quakes Top 20 past 24 hrs Quakes in Chile

User reports for this quake (6)

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

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South Pacific Ocean (6.2 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Balanceo de la casa

Corral, Chile (224.2 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s

Villarrica (287.4 km ESE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : Un temblor leve

Las Animas, Provincia de Valdivia, Los Ríos Region (237.7 km SE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short : Estaba recostada y sentí el movimiento

32 km of Las Gaviotas, Provincia de Valdivia, Los Ríos Region (267 km SE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Movimiento fuerte y luego bajo y subió intensidad

Talcahuano,chile / not felt

Aftershocks

[More info]

Recorded aftershocks, latest first (6 quakes)

Date and time	Mag Depth	Location	Details
Mar 18, 2023 15:13 9 days ago	3.4 5 km	South Pacific Ocean, 154 km SW of Lebu, Provincia de Arauco, Region del Biobio, Chile	More
Mar 16, 2023 12:59 11 days ago	3.6 15 km	South Pacific Ocean, 196 km SW of Lebu, Provincia de Arauco, Region del Biobio, Chile	More
Mar 16, 2023 07:38 11 days ago	3.4 16 km	South Pacific Ocean, 203 km NW of Valdivia, Los Rios Region, Chile	More
Mar 15, 2023 12:34 12 days ago	4.2 10 km	South Pacific Ocean, 249 km NW of Valdivia, Los Rios Region, Chile	More
Mar 15, 2023 03:29 13 days ago	3.1 16 km	South Pacific Ocean, 206 km NW of Valdivia, Los Rios Region, Chile	More
Mar 15, 2023 01:33 13 days ago	2.7 9 km	South Pacific Ocean, Chile	More

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