A volcano in Russia’s far east sent ash several kilometres into the sky on Wednesday, authorities said, producing a dramatic display during its latest eruption.

Philippine volcanologists on Tuesday raised the alert level of Mayon Volcano in Albay province on Luzon island to Alert Level 3, citing the “onset of dome collapse pyroclastic density currents,” the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said.

Indonesia’s Semeru volcano erupted on Wednesday, prompting the country’s volcanology agency to raise the alert level of Java Island’s tallest mountain to the highest.

Several tsunami warnings were downgraded on Wednesday for various areas that were at risk following a magnitude 8.8 earthquake that struck near Russia late Tuesday.

Costa Rica's National Emergency Commission (CNE) has issued a red alert for Poás Volcano National Park following a marked increase in volcanic activity.