Ibu (Halmahera, Indonesia): (27 Mar) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA TO 5200FT ABOVE SEA LEVEL. Merapi (Central Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION OBSERVED ON WEBCAM OBS VA DTG:28/1235Z Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned…