Editing Mount Merapi (section)

===2021 eruption===

Eruptions started on 4 January causing evacuations of the Yogyakarta region.<ref>{{Cite web|title=Hundreds evacuated as Indonesian volcano spews hot clouds|date=7 January 2021|url=https://www.nbcnews.com/news/world/hundreds-evacuated-indonesia-s-mount-merapi-volcano-spews-hot-clouds-n1253330|access-date=7 January 2021|publisher=NBC News|language=en|archive-date=7 January 2021|archive-url=https://web.archive.org/web/20210107193008/https://www.nbcnews.com/news/world/hundreds-evacuated-indonesia-s-mount-merapi-volcano-spews-hot-clouds-n1253330|url-status=live}}</ref> The geological authority had invoked the second-highest alert level in November after sensors picked up increasing activity warning the situation could become more unstable.<ref>{{Cite web|title=Indonesia: Hundreds evacuated as Mount Merapi spews hot clouds|url=https://www.aljazeera.com/news/2021/1/7/indonesia-hundreds-evacuated-as-mount-merapi-spews-hot-clouds|access-date=7 January 2021|publisher=Al Jazeera|language=en|archive-date=7 January 2021|archive-url=https://web.archive.org/web/20210107135657/https://www.aljazeera.com/news/2021/1/7/indonesia-hundreds-evacuated-as-mount-merapi-spews-hot-clouds|url-status=live}}</ref> On 27 March, another small eruption occurred, spewing lava and creating pyroclastic flows.<ref>{{Cite web|title=Indonesia's Merapi volcano spews ash, debris in new eruption|url=https://www.channelnewsasia.com/news/asia/indonesia-merapi-volcano-spew-ash-debris-eruption-yogyakarta-14505150|access-date=1 April 2021|website=CNA|language=en|archive-date=27 March 2021|archive-url=https://web.archive.org/web/20210327103508/https://www.channelnewsasia.com/news/asia/indonesia-merapi-volcano-spew-ash-debris-eruption-yogyakarta-14505150|url-status=live}}</ref> Merapi began erupting once again on 8 August 2021, sending new lava flows down the slope of the volcano.<ref name='August8'>{{Cite web|last=Riyadi|first=Slamet|date=9 August 2021|title=Indonesian volcano churns out fresh clouds of ash, lava|url=https://apnews.com/article/science-environment-and-nature-indonesia-5c915f2d217716c66b64147b669f8401|url-status=live|work=Associated Press News|access-date=9 August 2021|archive-date=9 August 2021|archive-url=https://web.archive.org/web/20210809220224/https://apnews.com/article/science-environment-and-nature-indonesia-5c915f2d217716c66b64147b669f8401}}</ref> On 16 August, the volcano erupted again, belching a cloud of ash into the air as lava flowed down its crater. The explosions spewed clouds as far as 3.5 kilometres (2 miles) from the rumbling volcano, blanketing local communities in grey ash.<ref name='NDTV' />

On 9 December, a pyroclastic flow traveled along the Bebeng River for a distance of 2.2&nbsp;km.<ref name="VOI 1">{{cite news|title=Merapi Launches Hot Clouds Fall For 2.2&nbsp;km To Bebeng River|url=https://voi.id/en/news/112441/merapi-launches-hot-clouds-fall-for-22-km-to-bebeng-river|access-date=9 December 2021|agency=VOI.id|date=9 December 2021|archive-date=9 December 2021|archive-url=https://web.archive.org/web/20211209124056/https://voi.id/en/news/112441/merapi-launches-hot-clouds-fall-for-22-km-to-bebeng-river|url-status=live}}</ref> This comes just as [[2021 Semeru eruption|Mount Semeru erupted]] in an unrelated event, killing at least 43 people.