Volcanos with recent seismic events, land uplift or increased thermal activity in July - August 2023

On the 30th of October, the Reykjanes Peninsula in Iceland experienced an unusual surge of seismic activity. 1.300 earthquakes were recorded in the area. From midnight to 7 AM over 300 quakes, with the largest registering at a magnitude of 3.0 were recorded. This seismic activity originated approximately three kilometers north of Grindavík, in close proximity to the renowned Blue Lagoon.

On the 31st of October, the earthquakes continued starting around 08:40 in the morning, these quakes centered northwest of Mount Þorbjörn, near the Blue Lagoon, and persisted for nearly two hours. The most significant of these tremors reached a magnitude of 3.7, with depths ranging between 1.5 to 5 kilometers.

The Icelandic Met Office, diligently monitoring the situation, is keeping a close eye on the developments. Their primary focus is to detect any increase in micro-seismic activity closer to the surface, which would serve as a clear indication that magma might be breaching the Earth's crust.

Satellite images captured on Saturday already exhibited signs of land deformation near Svartsengi. New satellite images, which could provide further insights into the situation are awaited.

In light of these developments, the Icelandic Met Office has promptly informed the Department of Civil Protection and Emergency Management. However, it's crucial to emphasize that, more often than not, movements of magma akin to this one tends to dissipate without culminating in a volcanic eruption.

The white circle on the map (included for reference) outlines the area under scrutiny, where these intriguing seismic events are unfolding. The Reykjanes Peninsula remains a region of immense geological interest. While the current situation may raise questions, it also reminds us of the dynamic and ever-changing nature of our planet's geology.

Source: Ruv

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