Japan’s Sakurajima volcano erupted not far from the city of Kagoshima, shortly after sunset local time. At this writing, it is still dark there. Image via Reuters.
Japan’s Sakurajima volcano erupts
The Japanese Meteorological Agency (JMA) reported an eruption of Sakurajima volcano today (July 24, 2022), on Japan’s major western island of Kyushu. The eruption began at about 8:05 p.m. local time (11:05 UTC; 6:05 a.m. CDT on Sunday, July 24). JMA said the volcano was “blowing off large rocks” as far as 1.5 miles (2.5 km) away, in the southern prefecture of Kagoshima. And JMA said that the alert level for the volcano had been raised to 5, the highest level.
There were no immediate reports of damage or injuries. And authorities said they did not expect a major eruption.
But JMA’s alert level of 5 comes with a recommendation for evacuation. According to Reuters, most of the nearby city of Kagoshima, whose estimated population is about 600,000, is across the bay from the volcano. But the Japanese government did order several residential areas within about 1.9 miles (3 km) of the crater to evacuate. Reuters said the evacuation included about 51 people in the vicinity.
Reuters also explained that Sakurajima is one of Japan’s most active volcanoes and that eruptions of varying levels take place on a regular basis.
An eruption of this volcano in 2019 sent ash 3.4 miles (5.5 km) high.
An eruption of Sakurajima on January 11, 1914, was the most powerful in 20th century Japan.
The volcano was once an island
Sakurajima volcano is on Japan’s major western island of Kyushu, in the southern prefecture of Kagoshima, by the seaside city of the same name. Image via Wikipedia.A 1909 map of Sakurajima by the Imperial Japanese Land Survey, based on survey data taken in 1902. The map shows Sakurajima as an island. Following the 1914 eruption, a a land bridge connected the volcanic island to Osumi Peninsula. Image via Wikimedia Commons.
An image from the 1914 eruption
The seaside city of Kagoshima – covered deep in ash – after the 1914 eruption of Sakurajima volcano, which is seen in the distance across the bay. Image via Wikimedia Commons.
Bottom line: Japan’s Sakurajima volcano erupted at about 8:05 p.m. local time today (11:05 UTC; 6:05 a.m. CDT on Sunday, July 24, 2022). So far, 51 people have evacuated.
Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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