Seismic Activity Near Fentale Volcano Prompts Eruption Concerns in Ethiopia

Strong earthquakes near the Fentale volcano in Ethiopia have raised concerns of a potential eruption, with recent tremors recorded between magnitudes 4.3 to 5.1. Experts warn that increasing seismic activity may indicate shallow magma intrusion, and local authorities have issued advisories as precautionary measures for nearby communities. Historical eruptions and a lack of local monitoring further complicate the situation in this densely populated region.

Recent seismic developments near the Fentale volcano in Ethiopia’s Main Ethiopian Rift have raised alarm over a potential eruption. Over the past few days, a series of shallow earthquakes, with magnitudes fluctuating between 4.3 and 5.1, have been recorded. The most significant tremor, measuring M5.1, occurred on December 29 and originated about 46 kilometers north of Metahara. Tom Pfeiffer, a volcanologist at VolcanoDiscovery, emphasized the increasing seismic activity and noted the challenges in monitoring due to the absence of a local seismic network. This volcanic region has a historical precedent for eruptions, the last documented in 1820. The current situation has left approximately 3.4 million people living within a 100-kilometer radius potentially vulnerable, prompting authorities to issue advisories for possible evacuations as a precautionary measure against an eruption.

The geological history of the Fentale volcano illustrates a persistent state of activity within the East African Rift System, characterized by the divide of the Nubia and Somalia tectonic plates. This separation contributes to frequent earthquakes and volcanic occurrences, attributed to magma movement beneath the surface. The area has seen substantial tectonic activity that could lead to eruptions, as indicated by the formation of a significant caldera and fresh lava flows from prior eruptions. With a record of destructive eruptions in the past, the current seismic events demand close observation and preparedness among local communities.

The Fentale volcano is situated in a tectonically active zone known as the Main Ethiopian Rift, part of the expansive East African Rift System, which stretches over 3,000 kilometers. This region experiences frequent seismic events due to the divergent movement of tectonic plates, specifically the Nubian and Somali plates. Historical data reveal that Fentale has demonstrated volcanic activity, with significant eruptions occurring in the Holocene period, including the last known eruption in 1820. The existing seismic events signal potential magma movement beneath the volcano, raising concerns among experts regarding imminent volcanic activity.

In conclusion, the heightened seismic activity around the Fentale volcano in Ethiopia signals an increased risk of volcanic eruption. The series of recent earthquakes, particularly the significant tremor on December 29, has prompted experts and authorities to urge local residents to remain vigilant. With a historical context of damaging eruptions and the current potential for magma intrusion, it is imperative that communities in the vicinity prepare for possible evacuations, highlighting the necessity for ongoing monitoring and readiness to address any emergent volcanic threats.

Original Source: watchers.news