San Andreas Fault Homepage: Information, photos, maps, fault location and more! Pyroclastic flows on Mt Merapi Java Indonesia. Geoff Mackley's channel. Geoff Mackley's Site Directory. Indonesia Volcanoes and Volcanics. Merapi volcano (Central Java, Indonesia) information / VolcanoDiscovery: Last update: 27 Mar 2014Typical eruption style: Highly explosive. Large Plinian eruption every few 1000 of years (the last ones at about 1000 BP and 2000 BP), sometimes with associated flank collapse. Growth of lava domes, pyroclastic flows.Merapi volcano eruptions: 1548, 1554, 1560, 1584, 1586(?) , 1587, 1658, 1663, 1672, 1678, 1745, 1752, 1755, 1768, 1791, 1797, 1807, 1810, 1812-22, 1822-23, 1828, 1832-36, 1837-38, 1840, 1846, 1848(?) , 1849, 1854(?) Last earthquakes nearby:No recent earthquakes.