Two powerful back-to-back earthquakes struck north-central Venezuela on Wednesday afternoon, June 24, 2024, causing building collapses in Caracas [1, 2].

The rare seismic event, known as a doublet, creates a compounded disaster by striking the same region twice in short succession. This phenomenon often overwhelms emergency response systems and exacerbates damage to structures already weakened by the first tremor [3].

The earthquakes originated near Yaracuy state, located west of the capital city [1]. Reports on the death toll vary significantly between sources. Reuters said there were at least 32 deaths [1], while CBC said there were at least 164 deaths [2].

Seismologists said the events had magnitudes around seven [3]. The doublet occurred due to a sudden release of tectonic stress in the region [3].

In Caracas, the tremors led to the collapse of multiple buildings, leaving hundreds of residents injured [1, 2]. Rescue teams worked through the afternoon to locate survivors in the rubble of residential and commercial structures.

The rarity of doublet earthquakes makes them particularly dangerous for urban centers. While a single large quake is devastating, a second event of similar magnitude can collapse buildings that were only partially damaged during the initial shock [3].

“Two powerful back-to-back earthquakes struck north-central Venezuela.”

The disparity in casualty reports—ranging from 32 to 164 deaths—highlights the chaos typically following a doublet earthquake, where infrastructure collapse often hinders official census and recovery efforts. Because the event occurred in a densely populated area like Caracas, the structural failure of older buildings likely contributed to the high injury and death rates.