Volcano eruptions accompany earthquake in Iceland

A volcano on Tuesday, April 1, 2025, erupted on the Reykjanes Peninsula in south-west Iceland.

Fortunately, as reports have it, it came after a nearby town and the Blue Lagoon spa, a popular tourist destination, were evacuated.

Iceland’s Meteorological Office said the eruption started around 09.45 local time (10:45 BST) just north of the small town of Grindavík.

The crack that opened in the ground now measures about 1,200m (3,937ft) and continues to extend southward.

The eruption occurred after earthquakes hit the area known as the Sundhnúk crater range around 06:30 local time.

Grindavík and the Blue Lagoon had already been ordered to evacuate ahead of the eruption.

Roads in and out of the town remain closed, but flights are currently not affected.

The Blue Lagoon would be closed through Tuesday, the spa said on its website.

As of 11:20 local time, Iceland’s Meteorological Office (IMO) said the original fissure had extended southward and a new crack had opened.

Around an hour later, the IMO then received a report that a hot water pipeline had broken in the northern part of Grindavík.

This confirmed that significant fault movements had occurred within the town.

Officials had urged any people remaining in Grindavík to leave.

Earlier on Tuesday, several individuals had refused to follow the evacuation order, Icelandic media reported.

The region’s police chief, Úlfar Lúðvíksson, told local media that only around 40 houses had been occupied by residents, following previous volcanic activity.

Most of the 4,000 residents of Grindavík were permanently evacuated in November 2023.

This was prior to eruptions in December 2023 and January, February and March 2024.

According to the IMO, the length of the magma that formed on Tuesday under the crater series is about 11 km (6.8 miles).

It is the longest that has been measured since 11 November 2023, the IMO said.

The magma corridor now extends about 3km further northeast than seen in previous eruptions, according to reports.

Based on current wind direction, gas pollution from the eruption will travel northeast towards the capital area, the IMO added.

Multiple eruptions have occurred on the Reykjanes Peninsula since 2021.

The last time the peninsula had a period of volcanic activity was 800 years ago – and the eruptions continued for decades.

Iceland has 33 active volcano systems and sits over what is known as the Mid-Atlantic Ridge.

The Mid-Atlantic Ridge is the boundary between two of the largest tectonic plates on the planet.

Despite the eruption, air traffic remained unaffected, and no injuries have been reported. ​

CONTEXT OF RECENT VOLCANIC ACTIVITY

This eruption is the latest in a series of volcanic events on the Reykjanes Peninsula.

Since 2021, there have been ten eruptions in the area, with the most recent occurring in December 2024.

The region’s geological activity is attributed to its location on a tectonic fault line, making it prone to earthquakes and volcanic events. ​

IMPACT ON TOURISM

The Blue Lagoon, a major tourist attraction, was temporarily closed due to the eruption.

While the immediate vicinity is affected, flights to Reykjavik continue to operate normally, and the capital city remains largely unaffected.

Travelers planning to visit Iceland are advised to stay informed through official channels and follow any guidance from local authorities.

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