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This week, an unusually strong earthquake swarm occurred at an Azores volcano which last erupted a little over 300 years ago. Meanwhile, in Japan, the alert level was raised at the Kirishima volcano, suggesting an increased risk that it may soon erupt. And, in Indonesia, it appears that a new batch of magma has intruded underneath the highly potentially dangerous Mount Awu volcano. This video will discuss these stories and list the 47 actively erupting volcanoes around the planet via the analysis of a geologist. This video's thumbnail image displays the erupting Santiaguito lava dome (Santa Maria volcano) in Guatemala....

Alaska's Great Sitkin volcano is erupting, sparking a red warning, the United States Geological Survey (USGS) said early on Thursday.

aska has been in the headlines in recent days after its Great Sitkin volcano erupted last week. Last Thursday, the US Geological Survey said a red warning had been raised – indicating that significant emission of volcanic ash into the atmosphere is likely. The Alaska Volcano Observatory said a "short-duration" explosive eruption of one-two minutes occurred at 5:04 GMT on Thursday, resulting in an ash cloud up to 15,000 feet above sea level. They added: "Since that explosion, seismicity has decreased and satellite images show that the ash cloud has detached from the vent and is moving towards the east."...

In the early hours of Wednesday morning (GMT), Alaska’s Great Sitkin volcano erupted, prompting the Alaska Volcano Observatory (AVO) to set the volcano alert level to a warning. The authority has also raised the aviation color code to red. An AVO and US Geological Survey (USGS) volcanic activity notice read: “A short-duration (1-2 minutes) explosive eruption began at 21:04 AKDT (5:04 UTC 26 May), resulting in an ash cloud up to 15,000 ft asl. “Since that explosion, seismicity has decreased and satellite images show that the ash cloud has detached from the vent and is moving towards the east. “Additional...