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Volcanic activity worldwide 23 Apr 2025: Etna volcano, Semeru, Ibu, Reventador, Poas, Kilauea, Sanga…

Published: 23 April 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

Wed, 23 Apr 2025, 21:00 1745442008 | BY: SEVERAL CONTRIBUTORS

Map of today’s active volcanoes

Courtesy of Boris Behncke

Satellite image of Ibu volcano on 23 Apr 2025

Satellite image of White Island volcano on 23 Apr 2025

Spectacular lava fountains and lava flows from the south vent (image: @disaster_db/x.com)

Etna (Sicily, Italy): (23 Apr) The recent eruption from last night has ended. Attached are impressive images from the eruption.

Bezymianny (Kamchatka): (23 Apr) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20250423/0423Z FL230 REPORTED OBS VA DTG:23/0500Z

Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION REPORTED AT 23/1105Z EST VA DTG:23/1240Z

Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows: VA

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Bezymianny Volcano Volcanic Ash Advisory: ERUPTION AT 20250423/2011Z FL230 REPORTED OBS VA DTG: 23/2030Z

Published: 23 April 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

<!–div style="font-size:14px;text-align:center;border:3px solid blue;border-radius:5px;padding:3px;margin:5px;background:#eee"><a href="https://www.volcanoesandearthquakes.com/app/volcano-report.php?volcanoId=790" style="text-decoration:none" target="_blank" rel="noopener noreferrer nofollow" title="Share a volcano (activity) report, submit a photo or other interesting news!” onclick=”window.open(this.href,’Volcano Report’,’status=0,toolbar=0,location=0,directories=0,menubar=0,resizable=1,scrollbars=1,height=500,width=450′);return false”>Send Volcano Report</div–> stratovolcano 2882 m / 9,455 ft
Kamchatka, 55.98°N / 160.59°E
Current status: erupting (4 out of 5) Bezymianny volcano eruptions:
2017-ongoing, 2016, 2012, 2010, 2009, 2008, 2007, 2000-05, 1998, 1997, 1996-97, 1994-95, 1993-94, 1992, 1991, 1990, 1989, 1986-88, 1986, 1985, 1984, 1981-83, 1980, 1980, 1979, 1979, 1978, 1977, 1976, 1971-74, 1965-70, 1964, 1964, 1963, 1962, 1961, 1961, 1961, 1960, 1959, 1958-59, 1958, 1958, 1957, 1955-57
Typical eruption style
Explosive

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Engineering a robot that can jump 10 feet high — without legs

Published: 23 April 2025
Categories: Engineering News

RSS feed source: Volcano Discovery.com

Inspired by the movements of a tiny parasitic worm, engineers have created a 5-inch soft robot that can jump as high as a basketball hoop. Their device, a silicone rod with a carbon-fiber spine, can leap 10 feet high even though it doesn’t have legs. The researchers made it after watching high-speed video of nematodes pinching themselves into odd shapes to fling themselves forward and backward.

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Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 23/1900Z MOV WSW OBS VA DTG: 23/1900Z to 15000 ft (4600 m)

Published: 23 April 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

<!–div style="font-size:14px;text-align:center;border:3px solid blue;border-radius:5px;padding:3px;margin:5px;background:#eee"><a href="https://www.volcanoesandearthquakes.com/app/volcano-report.php?volcanoId=44" style="text-decoration:none" target="_blank" rel="noopener noreferrer nofollow" title="Share a volcano (activity) report, submit a photo or other interesting news!” onclick=”window.open(this.href,’Volcano Report’,’status=0,toolbar=0,location=0,directories=0,menubar=0,resizable=1,scrollbars=1,height=500,width=450′);return false”>Send Volcano Report</div–> Stratovolcano 3676 m (12,060 ft)
East Java, Indonesia, -8.11°S / 112.92°E
Current status: erupting (4 out of 5) Semeru volcano eruptions:
1818, 1829, 1830, 1832, 1836, 1838, 1842, 1844, 1845, 1848, 1849(?), 1851, 1856, 1857, 1865, 1866(?), 1887, 1887, 1888, 1889-91, 1892, 1893, 1893-94, 1895, 1896, 1897, 1899, 1899, 1900, 1901, 1903, 1904, 1905, 1907, 1908, 1909-10, 1910-11, 1911, 1912, 1913, 1941-42, 1945, 1946, 1946-47, 1950-64, 1967-ongoing
Typical eruption style
Explosive. Near constant strombolian activity, occasionally stronger explosions, lava flows and pyroclastic flows.

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