Heightened Eruption Concerns as Earthquakes Rock Fentale Volcano, Ethiopia

Recent earthquakes near Fentale volcano, Ethiopia, have raised concerns of a potential eruption as seismic activity has intensified. The largest earthquake was recorded at a magnitude of 5.1, with experts indicating that magma intrusion could trigger a volcanic event. Authorities are urging residents in the vicinity to remain alert due to the heightened risk associated with these geological changes.

Recent seismic activity near Fentale volcano in Ethiopia’s Main Ethiopian Rift has raised alarm due to a series of shallow earthquakes. Over a span of a few days, the region experienced multiple quakes, with magnitudes between 4.3 and 5.1, culminating in a significant earthquake registering M5.1 on December 29. Expert volcanologist Tom Pfeiffer from VolcanoDiscovery has suggested that this seismic activity may indicate a potential volcanic eruption, correlating with shallow magma intrusion beneath the volcano, which last erupted in 1820.

The earthquakes, occurring at depths of approximately 10 km (6.2 miles), were felt widely, including in the capital city of Addis Ababa. The ground has trembled multiple times, with residents reporting ongoing smaller quakes. Dr. Pfeiffer emphasized the heightened risk of an eruption, advising nearby communities to remain vigilant as the real number of earthquakes may be considerably higher than those officially recorded.

The Fentale volcano, located in a tectonically active area of the Main Ethiopian Rift, has a history of explosive eruptions tied to magmatic processes. The geographical features include a significant caldera formed by past eruptions, further indicating ongoing geological activity. The potential threat to over 3.4 million residents living within a 100 km radius has led authorities to issue advisories and prepare for possible evacuations if the situation escalates.

The East African Rift System, a major continental rift, is marked by frequent seismic and volcanic occurrences due to the divergence of tectonic plates. Past earthquakes, such as the 1989 swarm in the Afar Triple Junction, highlight the region’s vulnerability to intense seismic activity. Reports of the Fentale volcano’s past eruptions include both basaltic and rhyolitic lava flows, indicating a complex volcanic history that warrants close monitoring in light of current events.

The Fentale volcano is situated in the Main Ethiopian Rift, a region characterized by significant geological activity due to the tectonic separation of the Nubia and Somalia plates. This area frequently experiences seismicity that is often linked to the movement of magma within the Earth’s crust. The historical eruptive activity of Fentale, including a documented eruption in 1820, suggests a potential for future eruptions, especially in light of recent seismic events that indicate magma intrusion beneath the surface.

In conclusion, the recent earthquakes near Fentale volcano signify an increased risk of volcanic eruption due to shallow magma movement. With reports of multiple seismic events and the historical context of Fentale’s eruptive activity, it is essential for residents and authorities to remain vigilant. Preparations for potential evacuations are prudent as monitoring efforts continue in this active geological area.

Original Source: watchers.news