Mount Merapi volcano on Indonesia’s Java island spewed ash more than 1 kilometre into the air on Monday. The eruption lasted for six minutes but there was no order for local residents to evacuate as no lava was ejected. The alert level for the volcano remained normal. A day before, Mount Sinabung volcano spewed ash into the air and lightning from its crater in Karo, Indonesia.
Hundreds of people fled their villages to safer locations after an initial eruption of Merapi on May 11. A series of eruptions at Merapi killed more than 300 people in 2010.
Sinabung roared back to life in 2010 for the first time in 400 years, after another period of inactivity it erupted once more in 2013 and has remained highly active since.
Indonesia sits on the Pacific Ring of Fire, an area around the edges of the Pacific Ocean, susceptible to earthquakes and volcanic eruptions.
Sinabung and Merapi are just two of the 130 active volcanoes in Indonesia.