Strong M6.2 earthquake hits Antofagasta, Chile at intermediate depth

antofagasta chile earthquake july 27 2022 location map

A strong earthquake registered by the USGS as M6.2 hit Antofagasta, Chile at 18:58 UTC on July 27, 2022. The agency is reporting a depth of 99 km (61 miles). EMSC is reporting M6.0 at a depth of 78 km (48 miles).

The epicenter was located 56.2 km (34.9 miles) NE of Calama (Population: 143 084), 178.2 km (110.7 miles) E of Tocopilla (population 24 460), and 256.8 km (159.6 miles) NE of Antofagasta (population 309 832), Chile.

176 000 people are estimated to have felt moderate shaking and 258 000 moderate.

The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are adobe block and rubble/field stone masonry construction.

Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Estimated population exposure to earthquake shaking

antofagasta chile earthquake july 27 2022 usgs epe
antofagasta chile earthquake july 27 2022 usgs epet

Selected cities exposed

antofagasta chile earthquake july 27 2022 usgs sce

Regional seismicity

antofagasta chile earthquake july 27 2022 emsc rs

Featured image credit: TW/SAM, Google


Commenting rules and guidelines

We value the thoughts and opinions of our readers and welcome healthy discussions on our website. In order to maintain a respectful and positive community, we ask that all commenters follow these rules:

  • Treat others with kindness and respect.
  • Stay on topic and contribute to the conversation in a meaningful way.
  • Do not use abusive or hateful language.
  • Do not spam or promote unrelated products or services.
  • Do not post any personal information or content that is illegal, obscene, or otherwise inappropriate.

We reserve the right to remove any comments that violate these rules. By commenting on our website, you agree to abide by these guidelines. Thank you for helping to create a positive and welcoming environment for all.

Leave a reply

Your email address will not be published. Required fields are marked *