A very deep earthquake registered by the USGS as M6.4 hit Santiago del Estero, Argentina at 18:37 UTC on January 24, 2023. The agency is reporting a depth of 601 km (373.4 miles). EMSC is reporting M6.1 at a depth of 584 km (362.9 miles).
The same area was hit by a very deep M6.8 earthquake at 22:09 UTC on January 20.
The epicenter was located 33.5 km (20.8 miles) SW of Campo Gallo (population 5 455), and 129.7 km (80.6 miles) NNW of Quimili (population 10 959), Santiago del Estero, Argentina.
1 658 000 people are estimated to have felt weak shaking.
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 vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are adobe block with concrete bond beam and unreinforced brick with concrete floor construction.
Estimated population exposure to earthquake shaking
Selected cities exposed
Featured image credit: TWSAM, Google
If you value what we do here, create your ad-free account and support our journalism.
Your support makes a difference
Dear valued reader,
We hope that our website has been a valuable resource for you.
The reality is that it takes a lot of time, effort, and resources to maintain and grow this website. We rely on the support of readers like you to keep providing high-quality content.
If you have found our website to be helpful, please consider making a contribution to help us continue to bring you the information you need. Your support means the world to us and helps us to keep doing what we love.
Support us by choosing your support level – Silver, Gold or Platinum. Other support options include Patreon pledges and sending us a one-off payment using PayPal.
Thank you for your consideration. Your support is greatly appreciated.