RSS feed source: USGS Earthquake Hazards Program

<!–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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RSS feed source: USGS Earthquake Hazards Program

Sat, 25 Oct 2025, 21:00 | BY: VN

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington 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:

FVXX20 at 20:45 UTC, 25/10/25 from KNES
VA ADVISORY
DTG: 20251025/2042Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2025/1055

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.

ERUPTION DETAILS: OCSL VA EMS

OBS VA DTG: 25/2010Z

OBS VA CLD: SFC/FL150 N0001 W07749 – S0004 W07739
– S0005 W07740 – S0004 W07750 – N0001 W07749 MOV
NW 5KT

FCST VA CLD +6HR: 26/0200Z SFC/FL150 N0008 W07750
– S0004 W07739 – S0005 W07740 – N0002 W07755 –
N0008 W07750

FCST VA CLD +12HR: 26/0800Z SFC/FL150 N0000
W07756 – S0004 W07739 – S0005 W07738 – S0007
W07757 – N0000 W07756

FCST VA CLD +18HR: 26/1400Z SFC/FL150 N0005
W07752 – S0004 W07739 – S0005

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RSS feed source: USGS Earthquake Hazards Program

Sat, 25 Oct 2025, 21:00 1761426004 | BY: SEVERAL CONTRIBUTORS

Map of today’s active volcanoes

Krasheninnikov (Kamchatka, Russia): (25 Oct) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 10 kts in SE direction.
The full report is as follows: VA AT 20251025/0017Z FL090 EXTD ESE REPORTED OBS VA DTG:25/0140Z to 9000 ft (2700 m)

Akan (Hokkaido): (25 Oct) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20251025/0417Z FL050 EXTD NE OBS VA DTG:25/0530Z

Canlaon (Central Philippines): A strong explosion took place from the volcano’s summit crater at about 20:00 local time yesterday.
The eruption generated a grey copious ash plume that released tephra material to estimated 4,5 km altitude propagating northeast.
… [read more]

Taal (Luzon, Philippines): The Philippine Institute of Volcanology and

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