A series of moderate earthquakes struck near Santorini and Amorgos early Wednesday, unnerving residents but causing no immediate reports of damage or injuries.
The strongest quake, a magnitude 5.2, hit at 9:09 p.m. local time Tuesday between the islands, according to the Euro-Mediterranean Seismological Center (EMSC) and Greece’s Geodynamic Institute.
The institute located the epicenter 16 kilometers (10 miles) south-southeast of Arkesini, Amorgos, at a depth of 11.2 kilometers (7 miles).
Early Wednesday, a 4.1 magnitude quake struck just before 1:00 a.m., followed minutes later by a 4.2. Around 4:23 a.m., a 4.4 quake was recorded northeast of Oia, Santorini, at a shallow depth of 5 kilometers (3 miles). Another 4.4 tremor followed four minutes later, 30 kilometers (19 miles) east of Anafi.
The shallow quakes were felt strongly, but officials haven't declared an emergency, and daily life continues. Authorities are monitoring the situation.
Greece is in a seismically active zone. While moderate earthquakes are common, residents remain vigilant. Scientists haven't determined if this activity signals a larger event.