Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Minor mag. 2.8 earthquake - 47 km southwest of Vallenar, Huasco, Atacama, Chile, on Thursday, Dec 29, 2022 at 8:30 pm (GMT -3) -

Minor magnitude 2.8 earthquake at 70 km depth

29 Dec 23:40 UTC: First to report: RaspberryShake after 10 minutes.

Earthquake details

Date & time	Dec 29, 2022 23:30:07 UTC -
Local time at epicenter	Thursday, Dec 29, 2022 at 8:30 pm (GMT -3)
Status	Confirmed
Magnitude	2.8
Depth	70.0 km
Epicenter latitude / longitude	28.9°S / 71.07°W (Huasco, Atacama, Chile)
Antipode	28.9°N / 108.93°E
Shaking intensity	Not felt
Felt
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	47 km (29 mi) SW of Vallenar (pop: 44,900) \| Show on map \| Quakes nearby 185 km (115 mi) SSW of Copiapo (pop: 129,300) \| Show on map \| Quakes nearby 508 km (316 mi) N of Santiago de Chile (Metropolitana) (pop: 4,837,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 15.3°C (59 F), humidity: 54%, wind: 2 m/s (3 kts) from W
Estimated seismic energy released	1 x 10⁹ joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) \| about seismic energy

Show interactive Map

[smaller] [bigger]

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
2.8	70 km	Near Coast of Central Chile	RaspberryShake
2.8	70 km	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: 77 km / 48 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

Show less

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: Tololo Observatory, Vicuna, Chile (GO04/C network) | Distance from quake: 144 km / 89 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: Copiapo, Mina Casimiro Domeyko (AC06/C1 network) | Distance from quake: 185 km / 115 mi | Show on map | Station Info

Seismic station Copiapo, Mina Casimiro Domeyko: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Copiapo, Mina Casimiro Domeyko: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Copiapo, Mina Casimiro Domeyko: 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: 256 km / 159 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: Mina Guanaco, Chile (GO02/C network) | Distance from quake: 441 km / 274 mi | Show on map | Station Info

Seismic station Mina Guanaco, Chile: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Mina Guanaco, 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

User reports for this quake

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.

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

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Design upgrade
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes