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Weak mag. 3.2 earthquake - South Pacific Ocean, 84 km northwest of Vallenar, Huasco, Atacama, Chile, on Saturday, Mar 18, 2023 at 10:16 pm (GMT -5) -

Weak magnitude 3.2 earthquake at 34 km depth

19 Mar 03:28 UTC: First to report: RaspberryShake after 11 minutes.

Earthquake details

Date & time	Mar 19, 2023 03:16:55 UTC -
Local time at epicenter	Saturday, Mar 18, 2023 at 10:16 pm (GMT -5)
Status	Confirmed
Magnitude	3.2
Depth	34.0 km
Epicenter latitude / longitude	28.15°S / 71.47°W (South Pacific Ocean, Chile)
Antipode	28.15°N / 108.53°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	84 km (52 mi) NW of Vallenar (pop: 44,900) \| Show on map \| Quakes nearby 142 km (88 mi) SW of Copiapo (pop: 129,300) \| Show on map \| Quakes nearby 595 km (370 mi) N of Santiago de Chile (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Few Clouds 18.9°C (66 F), humidity: 88%, wind: 9 m/s (17 kts) from SSW
Estimated seismic energy released	4 x 10⁹ joules (1.11 megawatt hours, equivalent to 0.951 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
3.2	34 km	Near Coast of Central Chile	RaspberryShake
3.2	34 km	OFFSHORE ATACAMA, CHILE	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in Chile

Seismograms

Seismic station: Llanos de Challe (AC04/C1 network) | Distance from quake: 39 km / 24 mi | Show on map | Station Info

Seismic station Llanos de Challe: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Llanos de Challe: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Llanos de Challe: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Copiapo (Tierra Amarilla), Chile (GO03/C network) | Distance from quake: 136 km / 85 mi | Show on map | Station Info

Seismic station Copiapo (Tierra Amarilla), Chile: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Copiapo (Tierra Amarilla), Chile: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Copiapo (Tierra Amarilla), Chile: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Tololo Observatory, Vicuna, Chile (GO04/C network) | Distance from quake: 234 km / 145 mi | Show on map | Station Info

Seismic station Tololo Observatory, Vicuna, Chile: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Tololo Observatory, Vicuna, Chile: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Tololo Observatory, Vicuna, Chile: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Combarbala (CO02/C1 network) | Distance from quake: 343 km / 213 mi | Show on map | Station Info

Seismic station Combarbala: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Combarbala: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Combarbala: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Hacienda Santa Martina (MT10/C1 network) | Distance from quake: 577 km / 358 mi | Show on map | Station Info

Seismic station Hacienda Santa Martina: 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: 0.5-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Hacienda Santa Martina: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hacienda Santa Martina: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. 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.

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