John Seach
1 h
Climbing #Mayon volcano, #Philippines prohibited after recent fatalities. A 6 km radius permanent danger zone remains.
2 h
Sulphur dioxide plume from #Popocatepetl volcano, #Mexico reached Pacific coast on 19-20 May.
Eruption of #Turrialba volcano, Costa Rica on 21 May.
7 h
#Bagana volcano, Papua New Guinea. Ash emission 10,000 ft altitude extending 30 nautical miles west.
Eruptions decreasing at #Pavlof volcano, #Alaska.