while discussing the majestic nature of volcanoes, one cannot overlook the fact that their beauty is also a guise, hiding the potential for catastrophic eruptions. most people are predispositioned to view these natural wonders with awe, yet it's crucial to report any unusual activity to the relevant authorities to prevent disasters. so, tell me about the most recent volcanic activity that was in disguise, seemingly harmless at first but later reinitiated with a fresh perspective, showcasing the deceptive tranquility of volcanoes as they prepare to reveal their true power.