Etna (Sicily, Italy): Although tremor dropped significantly yesterday evening, mild strombolian activity from the New SE crater continued throughout the night. This morning, new ash emissions from the Bocca Nuova occurred again. Whether this announces a new phase of (different) activity will have to be seen…
Video from this night’s activity:
Sangeang Api (Indonesia): Eruptions continue at the volcano after yesterday’s major explosion. Dense ash plumes rising from the summit crater can be seen on this morning’s satellite images, and a MODIS hot spot is visible on the latest satellite data, suggesting fresh magma continues to arrive at the volcano’s summit crater.
In the meanwhile, the ash and SO2 plume has drifted and spread over more than 3000 km to the E and SE, covering a vast area that includes parts of northern and eastern Australia. All flights from Darwin airport have been cancelled because of the hazardous ash cloud.
A wealth of photos of the eruption taken from various viewpoints (neighboring islands, boats, in-flight) have emerged on social media and elsewhere. Among other details (i.e. that the height of the plume originally reported by VSI, only 3km) was a large underestimation and is more close to 15-20 km as estimated by VAAC Darwin.
At least 2 pyroclastic flows were produced by partial collapse of the eruption column. This can be seen on pictures taken during the early stages of the eruption. At least one of these flows crossed the shore and continued to travel for about 2-3 km above the sea water (see picture by Sofyan Efendi).
San Miguel (El Salvador): Small ash emissions were reported at Chaparrastique volcano yesterday. Local observers heard rumblings and noticed ash fall in the area of Alpina Carreto.
Apart from a possible eruption, a major hazard is posed by mud slides and mud flows at the slopes of the volcano. Civil protection ordered new evacuations. According to local press, school classes were suspended in 12 schools located within 5 kilometers radius of Chaparrastique due to landslides in the area generated by the rains.
More at Volcano Discovery: Volcanoes Today, 31 May 2014: Etna, Sangeang Api, San Miguel