Summary:

- The ancient Greek city of Helike was destroyed by a devastating earthquake and tsunami around 373 BC. This catastrophic event was recorded by ancient historians and has been the subject of extensive archaeological research.

- Researchers have discovered that Helike was a prosperous and thriving city located on the northern coast of the Peloponnese peninsula. The city was known for its temple to Poseidon, the god of the sea, and its important role in the region's religious and cultural life.

- The article discusses how the ruins of Helike were rediscovered in the 1990s, providing valuable insights into the city's architecture, urban planning, and the impact of the natural disaster that led to its demise. This research has helped shed light on the ancient Greek civilization and the challenges they faced due to natural calamities.