5 EARTHQUAKES HIT COLOMBIA – Strongest Reaches M4.9 (Latest Updates)
A series of earthquakes shook Choco, a rainforest department on Colombia's Pacific coast, on Monday, with five tremors above magnitude four all centred on the same town.
The epicentre was Istmina, in the middle of Choco, with the strongest reaching magnitude four point nine and shaking felt as far as Cali, Medellin and Bogota.
The Colombian Geological Service says two separate processes are at work: deep aftershocks from August's magnitude seven point four earthquake, and a shallower seismic swarm beneath Sipi and Istmina that follows no clear pattern.
More than two thousand people reported feeling the shaking across four departments, and the geological service has not said when the swarm will end.
In this video, we cover the earthquakes that struck Istmina, what a seismic swarm is and how it differs from aftershocks, the August earthquake that preceded it, and what scientists say about the risk of something larger.
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Video Summary
AI GeneratedThe Choco region of Colombia recently experienced a series of earthquakes, including five above magnitude 4 centered in Ismina. The Colombian Geological Service attributes this activity to a combination of deep aftershocks from a major August earthquake and a \"seismic swarm\"—a pattern of tremors without a single main shock—leaving residents and officials on high alert.