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US Issues Concerning Estimate Following Colombia Earthquake: Most Likely Scenario Suggests 100 to 1,000 Dead

Monday, August 10, 2026 by Ethan Navarro

The United States Geological Survey (USGS) released an orange alert through its PAGER seismic assessment system on Monday after a 7.4-magnitude earthquake struck western Colombia.

Projections indicate the most likely scenario could result in between 100 and 1,000 fatalities, though the death toll might be higher.

The earthquake's epicenter was located in San José del Palmar, Chocó, occurring at 7:34 AM local time and reaching a depth of roughly 110 kilometers, according to USGS PAGER data.

Local authorities have provided a preliminary tally of 21 to 22 deaths: 18 in Pereira, as confirmed by Mayor Mauricio Salazar; two or three in Manizales due to the collapse of multiple structures; and one fatality in Buenaventura linked to severe building damage.

Infrastructure and Rescue Efforts

In Cali, a four-story building collapsed, prompting emergency teams to search for potential survivors. Meanwhile, in Manizales, one of the cathedral's towers sustained significant damage, leaning against the central structure.

The USGS's orange alert signifies expected casualties and significant damage, with the disaster potentially having a widespread impact, requiring regional or national response efforts.

Economic and Logistical Impact

The PAGER system estimates that economic losses will be "less than 1% of Colombia's GDP."

Several airports were shut down due to infrastructure damage. Chocó's governor, Nubia Carolina Córdoba Curi, was among the first officials to confirm the extent of the impact.

"Although the epicenter was in San José del Palmar, Quibdó, the capital, has reported injuries and severe building damage," Córdoba Curi stated.

Regional Effects and Comparisons

The Colombian Maritime Authority (DIMAR) ruled out any tsunami threat to the Pacific coast, while Bogotá's Mayor Carlos Galán reported only "some cracks in buildings," with no significant structural damage in the capital.

The tremor was also felt in Ecuador and Panama, though no damages have been confirmed in those countries.

This event occurs just weeks after a double earthquake of magnitudes 7.1 and 7.5 devastated Venezuela in June 2026, resulting in at least 6,125 deaths according to the Venezuelan government as of August 5. That earthquake was deemed the most powerful in Venezuela since 1900, with the USGS issuing a red alert, indicating a 42% chance of 10,000 to 100,000 casualties, highlighting the difference in scale between the two disasters, although the Colombian earthquake remains a potentially severe event for the region.

FAQs About the Colombia Earthquake and Its Impact

What is the significance of the USGS orange alert?

The USGS orange alert indicates that casualties and significant damage are expected, with the disaster potentially having a widespread impact requiring a regional or national response.

How does the economic damage from the earthquake compare to Colombia's GDP?

The PAGER estimates suggest that economic damages will be less than 1% of Colombia's GDP.

Were other countries affected by the earthquake?

The earthquake was felt in Ecuador and Panama, but no damages have been confirmed in those countries.

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