Seismic Activity Near Fentale Volcano Raises Eruption Concerns in Ethiopia

A series of earthquakes near Fentale volcano in Ethiopia has raised eruption concerns following significant seismic activity, with magnitudes up to 5.1 recorded. Experts link this unrest to potential magma movement beneath the surface, highlighting increased risks for nearby populations. Authorities urge residents to remain alert and prepare for possible evacuations, though no damage has been reported thus far.

Recent seismic activity near Fentale volcano, located in the Main Ethiopian Rift region, has raised concerns about a potential volcanic eruption. In the past two days, multiple earthquakes were recorded, with magnitudes ranging from 4.3 to 5.1, the largest being a 5.1 magnitude quake on December 29. This heightened activity occurs after more than 200 years since the volcano’s last eruption in 1820.

The earthquakes, which occurred at a shallow depth of 10 km (6.2 miles), were felt widely, including in Addis Ababa. According to volcanologist Tom Pfeiffer, the increased seismicity, possibly due to shallow magma intrusion, raises the risk of volcanic eruption. Observers have noted that no seismic network exists to assess the complete extent of this activity, indicating that there could be many smaller tremors unrecorded.

Ethiopia’s Fentale volcano is situated in a tectonically active zone, characterized by frequent earthquakes and volcanic episodes resulting from the divergence of the Nubia and Somalia plates. The recent seismic events align with the historical patterns of the region, where the volcano has previously produced significant basaltic lava flows. The presence of a caldera with fresh lava flows points to ongoing volcanic processes.

With over 3.4 million people living within a 100 km (62 miles) radius of the volcano, local authorities have urged heightened vigilance among residents. Although there have been no reported injuries or damages, communities are being advised to prepare for possible evacuations should volcanic activity escalate. Historical records indicate that the Fentale volcano has seen eruptions in 1250 CE and 1820 CE, both resulting in lava flows and ash deposits, highlighting the potential hazards of renewed activity in this geologically significant area.

The Fentale volcano, situated in Ethiopia’s Main Rift region, represents a significant geologic feature, characterized by the interplay between seismic and volcanic activities due to tectonic plate movements. The East African Rift System, of which it is part, is among the most active rift zones globally, experiencing ongoing geological processes that frequently generate earthquakes and eruptions. Understanding the seismic patterns and the volcano’s history is critical for assessing risk and preparing communities for potential volcanic threats. The last recorded eruption of Fentale in 1820 reflects a long dormancy period, but recent seismicity suggests changes in the subsurface magma dynamics. The region’s infrastructure for monitoring seismic activities is limited; thus, global seismic networks offer the only current insight into the situation, emphasizing the need for local monitoring capabilities to provide accurate risks assessments.

The recent surge in seismic activity near the Fentale volcano poses an increased risk for a volcanic eruption, with numerous moderate earthquakes recorded over a short time. Experts believe that shallow magma intrusion is the likely cause of this unrest, urging the surrounding communities to remain vigilant and prepared for possible evacuations. Given the volcano’s historical context and the high population density in the vicinity, continued monitoring and proper disaster preparedness are paramount to safeguarding the affected populations.

Original Source: watchers.news