* Astronomy

The 1980 El Asnam earthquake was an earthquake that occurred in the Algerian town of El Asnam, now known as Chlef, within the central part of the Chelif valley. The earthquake - at 7.3 on the Richter scale the largest earthquake in Algeria - was followed 3 hours later by an aftershock measuring 6.3 on the Richter scale, and these two quakes caused considerable damage and a high death toll.
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