MANILA, Philippines — The Mayon Volcano is exhibiting signs of increasing unrest, with bright red magma and glowing pyroclastic density currents called "uson" continuing to stream from its summit as ...

A total of 133 rockfall events and 30 pyroclastic density currents (PDC), locally known as “uson,” were recorded at Mayon Volcano in Albay over the past 24 hours, the Philippine Institute of ...

MANILA, Philippines — Mayon Volcano in Albay remained under Alert Level 3 as it recorded a total of 162 rockfall events, 50 pyroclastic density currents (PDCs), and one volcanic earthquake over the ...

SALEM, Montserrat -- Scientists have learned a lot from the Soufriere Hills volcano in the five years it has been erupting, destroying life and property -- lessons they hope will save lives in the ...