Iceland, a land forged by fire and ice, has once again demonstrated its resilience and ingenuity in the face of nature’s formidable forces. The recent eruption at Sundhnúksgígar on the Reykjanes Peninsula, which began in November 2024, posed a significant threat to vital infrastructure, including the Svartsengi geothermal power plant and the renowned Blue Lagoon resort. However, through innovative lava-cooling techniques and the construction of protective barriers, Icelanders have effectively safeguarded their communities and resources.
The eruption’s lava flow threatened critical infrastructure that supplies hot water to all residents and businesses in the Suðurnes region. In response, HS Veitur, the regional utility company, advised customers to conserve hot water and maintain indoor heat. Simultaneously, teams worked tirelessly to raise protective dikes and implement lava-cooling operations. According to Helgi Hjörleifsson, head of the lava-cooling team, these efforts have been highly successful, with no significant changes observed in the lava’s height at the dikes.
The concept of cooling lava to protect infrastructure is not new to Iceland. During the 1973 eruption of Eldfell on Heimaey Island, seawater was pumped onto advancing lava flows to slow their progress and divert them from the harbor, a strategy that proved effective in preserving the town’s vital fishing industry. (USGS Publications)
In the current situation, authorities have employed similar methods, utilizing seawater to cool and solidify the lava, thereby preventing it from encroaching upon essential facilities. This proactive approach has been instrumental in mitigating potential damage and ensuring the safety of residents and infrastructure.
The Icelandic Meteorological Office has reported a decrease in activity within the central crater of Sundhnúksgígar since this morning. However, volcanic pollution is being carried over Grindavík and out to sea, prompting officials to advise the public to monitor air quality levels on the Environment Agency’s website, Loftgæði.is.
This remarkable demonstration of resilience and innovation underscores Iceland’s ability to not only coexist with its dynamic geological environment but also to harness and control it for the benefit of its people. The successful implementation of lava-cooling techniques and the construction of protective barriers highlight the nation’s commitment to safeguarding its communities and infrastructure against natural disasters.
For those seeking to witness the awe-inspiring power of nature and the equally impressive human ingenuity that tames it, Iceland offers a unique and compelling destination. The Reykjanes Peninsula, with its geothermal wonders and volcanic landscapes, stands as a testament to the enduring spirit of the Icelandic people—the modern-day Vikings who cool volcanoes.
Check the volcano tour operated by 2Go Iceland Travel, and explore the volcanic wonders of Iceland.
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