Archaeologists have discovered ashes from one of the biggest ever volcanic eruptions in recorded history. Excavations in Turkey’s ancient city of Smyrna, now located in Izmir, have revealed details from a Minoan eruption that took place some 3,600 years ago. Smyrna was established about 5,000 years ago by the Greek tribe of Aeolians and later inhabited by Ionians. It was mostly abandoned after it was captured by the Anatolian kingdom of Lydia in the 6th century B.C. Archaeologists say the ashes will tell them a lot about the history. “Now that we have identified those ashes with a more extensive...