Seismic Activity Increases at Bárðarbunga Volcano with 3.8 Magnitude Earthquake

Bárðarbunga volcano experienced a magnitude 3.8 earthquake, indicative of increased geological activity and potential eruption risks. There have been multiple significant earthquakes this year, with inflation detected around the caldera suggesting magma inflow.

A magnitude 3.8 earthquake occurred at Bárðarbunga around 4:30 PM yesterday, indicating heightened geological activity at the volcano. This recent earthquake is part of a pattern observed over several months, suggesting that Bárðarbunga may be preparing for an eruption. Experts highlight that no seismic event of significant magnitude has been recorded at this site since 2015, marked by the notable Holuhraun eruption. Increased inflation and a series of earthquakes point to the likelihood of magma movement beneath the surface.

Natural disaster expert, Mr. Böðvar Sveinsson, commented on the situation, stating, “There is always a certain warning when something like this happens,” but he added, “this is not the case in which we set everything in motion,” implying that while seismic activity has escalated, large earthquakes in the region have become a regular occurrence.

In recent years, the seismic activity at Bárðarbunga has intensified, with four earthquakes registering a magnitude of 5 or greater recorded this year alone. These occurred in April, September, October, and early December, emphasizing an ongoing pattern of geological unrest. The most recent earthquake above magnitude 3 took place on December 19. The Icelandic Meteorological Office has documented continued inflation in the caldera area, suggesting substantial pressure building beneath the ground.

Bárðarbunga is one of Iceland’s most active and closely monitored volcanoes. Its last significant eruptive event happened in 2015, resulting in the Holuhraun eruption, which was the largest in recent centuries. Volcanic activity in the region is characterized by geological indicators such as inflation and seismic activity, which signal potential magma influx and eruptive risk. The combination of earthquakes and the observed deformation of the land provides essential data for researchers and monitoring agencies about the likelihood of future eruptions.

In summary, the seismic events at Bárðarbunga indicate a potential for volcanic activity, with earthquake magnitudes increasing in frequency and intensity. While experts monitor the situation closely, it is important to recognize that the occurrence of such earthquakes has become a regular phenomenon in the region, necessitating ongoing vigilance. The situation remains dynamic and further developments will be crucial in assessing the risk of an eruption.

Original Source: icelandmonitor.mbl.is