Baranggay Calsada;
5:30 pm November 28, 2007, Typhoon Reming;
One of the worst in history of Albay.
Site of Cabilogan River Levy that burst and flooded the Town of Oas, Lahar up to 12'deep at Baranggay Calsada, Rizal, Iraya Sur, Iraya Norte, and BagongBayan.
48" deep inside SMA, and Church of St. Michael the Arch Angel