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Environment Ministry records more than 50 small earthquakes in Mercedes Umaña, Usulután, within hours

Summary

According to the Environment Ministry (MARN), the National Seismic Network recorded a sequence of more than 50 earthquakes on Tuesday centered in the Mercedes Umaña district of Usulután, starting at 11:11 a.m. The strongest came at 11:23 a.m., with magnitude 3.6 and intensity IV on the Modified Mercalli scale in Mercedes Umaña. The MARN attributes the activity to local geological faults becoming active and is keeping it under watch. The ministry asked people to ignore rumors and follow official channels.

Sources

Our own summary based on the linked sources. Open them for full details. · October 20, 2026

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