Original sentence: Pompeii, a city which shared a similar fate, but with a difference: Pompeii was covered with volcanic ash, not by a Lahar, as Armero
Edited sentence: However, in that eruption, the towns were covered with volcanic ash and pyroclastic surges, not by a Lahar, as Armero.The tragedy at Amero bears resemblances to what happened to Pompeii and Herculaneum in the AD 79 eruption of Mount Vesuvius