Interesting facts about Santorini volcano

When you picture Santorini, you likely imagine whitewashed villages, sparkling blue seas and breathtaking sunsets. But what about the powerful volcano that created this paradise?

In this guide, we uncover interesting facts about Santorini volcano that most travelers don’t realize, despite its central role in shaping the island’s beauty and history. So, go ahead and read what makes it one of Greece’s most intriguing natural wonders.

 

Where is the volcano in Santorini?

The Santorini volcano is situated right in the heart of the caldera between the islands of Santorini and Thirassia.

Home to its active volcanic crater is the uninhabited islet of Nea Kameni, which lies centrally in the caldera.

 

 

What is the volcano in Santorini called?

The volcano in Santorini is officially known as the Thera volcano. However, it’s most commonly referred to as the Santorini volcano, after the island itself.

 

What type of Volcano is Santorini?

The Santorini volcano is a shield, lava dome and caldera volcano. This type of volcano is known for its large, basin-like depression (the caldera) created when the magma chamber empties and the ground above it caves in.

 

Is the Santorini volcano a supervolcano?

No, Santorini volcano isn’t a supervolcano. It’s slightly smaller with a volcanic explosive index (VEI) of 6-7.

 

 

Does Santorini have only one volcano?

No, it’s part of a bigger volcanic complex. More specifically, it comprises the overlapping:

• Christiana volcano
• Thera volcano
• Submarine Kolumbo volcano

 

What is special about the Santorini volcano?

• The Santorini caldera is one of the 5 largest in the world (12 km long and 7km wide) and the only one that’s inhabited! 
• Although not validated, the legend has it that the lost city of Atlantis lies beneath its waters. You can find out more about how Santorini and Atlantis associate over here. 
• Its ash buried the ancient city of Akrotiri, preserving frescoes and intricate artifacts in remarkable condition for more than 3.000 years. 
• It caused one of the most powerful eruptions in recorded history, believed to be up to 4 times stronger than Krakatoa. 
• It helped mold the island’s otherworldly landscapes, from the Mars-like Red Beach to the lunar-like scenery of Vlychada. 
• It produces pumice and volcanic rock used for construction, pottery and even beauty treatments.

 

 

Santorini volcano eruption history

How was life pre-eruption?

Long before Santorini took its current shape, it was part of a big circular island, Strogili, which was home to an advanced civilization. In the Bronze Age, the Minoan settlement of Akrotiri bustled with life.

Imagine narrow streets lined with multi-story homes, vibrant frescoes adorning the walls and complex drainage systems hinting at people far ahead of their time. However, those glory days came to an end when the earth beneath it began to rumble.

 

When did the Santorini volcano erupt?

Santorini volcano erupted around 1600 BC, causing one of the largest volcanic events in recorded history.

The disastrous explosion shattered the heart of the island and caused it to collapse inward, forming the vast caldera we see today.

 

 

The aftermath of the explosion

The explosion sent towering ash clouds into the sky, triggered massive tsunamis and scattered volcanic material across the Aegean. 

Apart from Santorini’s shape, it altered the course of ancient civilizations around the region, including the thriving Minoans on Crete.

 

More eruptions throughout the years

Although the Minoan eruption was the largest, Santorini has experienced several smaller ones since then. 

Volcanic activity in the caldera resumed in:

• 197 BC
• 46 AD
• 726 AD
• 1570 AD
• 1650 AD
• 1707 AD
• 1866 AD
• 1925 AD
• 1939 AD 
• 1950 AD

 

 

When was the last time Santorini volcano erupted?

The last volcanic eruption in Santorini occurred in 1950. It was relatively small, involving lava flows and phreatic explosions, while no human injuries were reported. It’s important to note that earthquakes (since the previous August) presaged the imminent volcanic event.

 

Is Santorini volcano active?

Yes, the Santorini volcano is still active, although it has been dormant since its last eruption in 1950. 

So, in case you’re wondering…

There’s no current threat. Plus, seismologists closely monitor its activity to ensure this remains the case.

 

 

How to visit Santorini volcano?

The Santorini volcano is only accessible by boat. So, these are your 2 options:

1. With a guided boat tour: Set sail in the heart of the famous caldera with a Santorini volcano and hot springs tour. Hike atop Nea Kameni islet to peer into the active craters and then unwind at the mineral-rich waters of Palea Kameni. 
2. With a private yacht: Rent a boat and visit this stunner at your own pace so you can take in everything it has to offer.

 

 

Fascinating landmarks worth visiting

Santorini’s volcanic legacy goes far beyond the crater. Here are some places that deserve a spot on your itinerary:

1. Red Beach: Framed by towering crimson cliffs and turquoise waters, this bay ranks among the most unique in the world! 
2. White Beach: Yet another awe-inspiring bay, it boasts imposing white rock formations and a tranquil ambiance. 
3. Thirassia: Known as the quiet neighbor of Santorini, this island stands out for its pristine natural beauty, laid-back way of life and traditional Cycladic architecture. 
4. Fira to Oia trail: This scenic hike along the caldera rim offers breathtaking views of the volcanic landscape below. To make the most of this experience, join a caldera walking tour to get exciting insights from an expert. 
5. Local wineries: Santorini’s volcanic soil gives its wines a distinct mineral character. So, you shouldn’t skip visiting wineries like Estate Argyros or Gavalas to taste finger-licking labels and learn all about the island’s winemaking history.

 

 

A volcano that shaped more than just the landscape

The Santorini volcano is more than just a striking backdrop for your cocktail evening. It’s the heart of the island’s dramatic beauty and rich history. From ancient civilizations buried in ash to the multicolored beaches and distinctive wines we enjoy today, everything in Santorini bears the imprint of its volcanic past.

Whether you’re fascinated by geology, history, or simply love astonishing natural scenery, visiting the volcano is an experience that connects you to the island in a deeper way. So why not see it for yourself?

Choose your favorite tour and explore this mind-blowing wonder the way it was meant to be seen: from up close.

 

 

FAQs about Santorini volcano

Is it worth going to the volcano in Santorini?

Of course! Visiting the volcano is one of the best things to do in Santorini, especially if you’re a history or nature buff.

 

Is Santorini still shaking?

No, the big 2025 earthquakes have subsided, and Santorini is no longer experiencing significant seismic activity. So, it’s 100% safe to travel and enjoy this beautiful Greek island.

 

What should I wear on a Santorini volcano tour?

• Comfortable sneakers for walking on Nea Kameni’s rocky paths
• Dark-colored swimsuit as the water in the hot springs contains sulfur
• Hat, sunscreen and sunglasses

 

Is Santorini volcano suitable for families?

Absolutely! It’s actually one of the most sought-after activities for families. I mean, which children wouldn’t love a boat ride, some swimming and learning interesting facts about Santorini volcano?!

 

Is Santorini volcano dangerous?

No, Santorini volcano isn’t dangerous since it’s currently dormant. However, scientists constantly monitor its activity to ensure the safety of travelers and residents alike.