DescriptionPinatubo1991-06-12 (USGS).jpg The June 12, 1991 eruption column from Mount Pinatubo taken from the east side of Clark Air Base. USGS Date 12 June
|Description=Ausbruch des Mount Pinatubo am 12. Juni 1991. |Source=U.S. Geological Survey. |Date=1991-06-12 |Author=Richard P. Hoblitt, USGS |Permission=See below