QuakeScout

Hellenic Arc

subduction1,000 km

VERY HIGH RISK

The Hellenic Arc is a subduction zone where the African Plate dives beneath the Aegean Sea Plate south of Greece. It produced the massive 365 AD earthquake and tsunami that devastated ancient Alexandria. The region continues to be one of the most seismically active areas in Europe.

Type

subduction

Length

1,000 km

Countries

2

Cities at Risk

4

Risk Assessment

M7.5-8 expected; recurrence ~800 years for M8.5+

Last Major Earthquake

M7.9Kythera, Greece (1903-08-11)

Affected Countries

Cities Near This Fault

Data: USGS Earthquake Hazards Program