Martin Kelko
@martinkelko.bsky.social
GIS and remote sensing analyst | volcano news editor and volcanologist at www.volcanodiscovery.com
volcanology | remote sensing & Earth Observation | Python
volcanology | remote sensing & Earth Observation | Python
Reposted by Martin Kelko
Volcanic activity worldwide 26 Jun 2025: Santiaguito volcano, Semeru, Shiveluch, Ibu, Dukono, Revent...
Summary of volcanic activity today
www.volcanodiscovery.com
June 26, 2025 at 9:00 PM
Volcanic activity worldwide 26 Jun 2025: Santiaguito volcano, Semeru, Shiveluch, Ibu, Dukono, Revent...
Reposted by Martin Kelko
#Kirishima #volcano (Kyushu, Japan): major eruption, alert status raised to 3 - A spectacular explosion occurred at the volcano on 22 June.
The eruption generated an abundant grey ash plume, which rose to an altitude of 7,000 ft (2,200 m) and drifted east.
Based on the elevated activity of th...
The eruption generated an abundant grey ash plume, which rose to an altitude of 7,000 ft (2,200 m) and drifted east.
Based on the elevated activity of th...
Kirishima volcano (Kyushu, Japan): major eruption, alert status raised to 3
www.volcanodiscovery.com
June 24, 2025 at 7:41 AM
#Kirishima #volcano (Kyushu, Japan): major eruption, alert status raised to 3 - A spectacular explosion occurred at the volcano on 22 June.
The eruption generated an abundant grey ash plume, which rose to an altitude of 7,000 ft (2,200 m) and drifted east.
Based on the elevated activity of th...
The eruption generated an abundant grey ash plume, which rose to an altitude of 7,000 ft (2,200 m) and drifted east.
Based on the elevated activity of th...
Reposted by Martin Kelko
#Iliamna #volcano (Cook Inlet, SW Alaska): small earthquakes - The Alaska Volcano Observatory reported a seismic activity on 15 June.
This followed rock and ice avalanches, generating small earthquakes that began on 04:30 local time, then gradually slowed to background rates at 14:30 local time...
This followed rock and ice avalanches, generating small earthquakes that began on 04:30 local time, then gradually slowed to background rates at 14:30 local time...
Iliamna volcano (Cook Inlet, SW Alaska): small earthquakes
www.volcanodiscovery.com
June 23, 2025 at 3:50 AM
Reposted by Martin Kelko
#Etna #volcano update - The Istituto Nazionale di Geofisica e Vulcanologia in Catania reported another phase of strombolian activity that took place yesterday.
At approximately 04:01 UTC, incandescent material was ejected from the South-East Crater accompanied by ash emissions, dispering north, ...
At approximately 04:01 UTC, incandescent material was ejected from the South-East Crater accompanied by ash emissions, dispering north, ...
www.volcanodiscovery.com
June 20, 2025 at 4:54 AM
Lava flow eruption on Lewotolo's southern slope continues!
June 17, 2025 at 4:34 AM
Lava flow eruption on Lewotolo's southern slope continues!
Outpouring lava flows on Sangay NW flank continue!
June 16, 2025 at 4:13 AM
Outpouring lava flows on Sangay NW flank continue!
Reposted by Martin Kelko
#Kilauea #volcano (#Hawaii) update - A timelapse from 11 June captures episode 25, beginning with filling-draining cycles in the vent before abruptly transitioning to significant fountaining.
Episode 25 of the ongoing eruption in Halemaʻumaʻu lasted for 8 hours on June 11, at the summit of #...
Episode 25 of the ongoing eruption in Halemaʻumaʻu lasted for 8 hours on June 11, at the summit of #...
www.volcanodiscovery.com
June 13, 2025 at 9:00 AM
Reposted by Martin Kelko
#Kilauea #volcano (#Hawaii) update - The 25th lava fountaining episode began from the north vent cone at Halema'uma'u summit crater at 5:54 AM local time on June 10, 2025.
Minor spattering transitioned into vigorous and continuous spattering, generating lava flows onto the crater floor.
The Ha...
Minor spattering transitioned into vigorous and continuous spattering, generating lava flows onto the crater floor.
The Ha...
www.volcanodiscovery.com
June 11, 2025 at 4:04 AM
New lava flow eruption at Lewotolo!
June 10, 2025 at 4:21 AM
New lava flow eruption at Lewotolo!
Reposted by Martin Kelko
#Lewotolo #volcano (Lesser Sunda Islands, Indonesia): new lava flow eruption - A new lava flow started to emerge from the summit.
The lava continues to be active on the southern flank as seen in the latest Sentinel-2 imagery from 6 June.
The volcano continues to generate near-constant strombol...
The lava continues to be active on the southern flank as seen in the latest Sentinel-2 imagery from 6 June.
The volcano continues to generate near-constant strombol...
Lewotolo volcano (Lesser Sunda Islands, Indonesia): new lava flow eruption
www.volcanodiscovery.com
June 10, 2025 at 4:17 AM
Reposted by Martin Kelko
Stunning image of lava fountain - Our friend volcanologist Bastian Steinke sent us a stunning image of the most recent eruptiveepisode at the volcano. It shows a large lava fountain from the north vent, more than 1,000 ft (300 m) tall, feeding multiple lava flows covering the floor of the Halema'...
Stunning image of lava fountain
www.volcanodiscovery.com
June 6, 2025 at 7:52 AM
Stunning image of lava fountain - Our friend volcanologist Bastian Steinke sent us a stunning image of the most recent eruptiveepisode at the volcano. It shows a large lava fountain from the north vent, more than 1,000 ft (300 m) tall, feeding multiple lava flows covering the floor of the Halema'...
Explosive eruption at Home Reef!
June 6, 2025 at 6:13 AM
Explosive eruption at Home Reef!
Reposted by Martin Kelko
#Fuego #volcano (Guatemala): strong pyroclastic flows, intense lava flow eruption continues - The elevated activity at the volcano continues.
Multiple moderate-to-strong pyroclastic flows have occurred from the summit, racing down over several chutes. Collapsing parts of the lava flow in combin...
Multiple moderate-to-strong pyroclastic flows have occurred from the summit, racing down over several chutes. Collapsing parts of the lava flow in combin...
Fuego volcano (Guatemala): strong pyroclastic flows, intense lava flow eruption continues
www.volcanodiscovery.com
June 6, 2025 at 6:00 AM
Reposted by Martin Kelko
#Fuego #volcano (Guatemala): new lava flow - The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología reported that the activity at the volcano has been increasing since last night.
The activity has become more effusive and has begun to form a new lava flow at the summit...
The activity has become more effusive and has begun to form a new lava flow at the summit...
Fuego volcano (Guatemala): new lava flow
www.volcanodiscovery.com
June 5, 2025 at 4:13 AM
Reposted by Martin Kelko
#Etna #volcano update - New, post-eruption images of the Southeast Crater have been revealed on social media.
Large parts of the eastern SE crater terrace facing the eastern flank are missing due to the recent collapse event that also created a deep canyon in the slope inside which the lava flo...
Large parts of the eastern SE crater terrace facing the eastern flank are missing due to the recent collapse event that also created a deep canyon in the slope inside which the lava flo...
www.volcanodiscovery.com
June 4, 2025 at 11:24 AM
Reposted by Martin Kelko
#Etna #volcano update - Following the spectacular pyroclastic flow from the SE Crater yesterday, a recent Sentinel-2 satellite acquisition of the eruptive activity has been detected.
The satellite imagery depicts a new lava flow emitting onto the eastern flank of the edifice.
The satellite imagery depicts a new lava flow emitting onto the eastern flank of the edifice.
www.volcanodiscovery.com
June 3, 2025 at 4:31 AM
Massive pyroclastic flow from Etna's SE crater and lava flow!
June 3, 2025 at 4:08 AM
Massive pyroclastic flow from Etna's SE crater and lava flow!
Reposted by Martin Kelko
#Sakurajima #volcano (Kyushu, Japan): powerful vulcanian eruptions - The elevated explosive activity at the volcano has been occurring over the past days.
Vigorous vulcanian-sized eruptions generated incandescent lava bombs and ash emissions to an altitude of 14,000 ft (4,300 m).
The warning b...
Vigorous vulcanian-sized eruptions generated incandescent lava bombs and ash emissions to an altitude of 14,000 ft (4,300 m).
The warning b...
Sakurajima volcano (Kyushu, Japan): powerful vulcanian eruptions
www.volcanodiscovery.com
June 2, 2025 at 4:19 AM
#Sakurajima #volcano (Kyushu, Japan): powerful vulcanian eruptions - The elevated explosive activity at the volcano has been occurring over the past days.
Vigorous vulcanian-sized eruptions generated incandescent lava bombs and ash emissions to an altitude of 14,000 ft (4,300 m).
The warning b...
Vigorous vulcanian-sized eruptions generated incandescent lava bombs and ash emissions to an altitude of 14,000 ft (4,300 m).
The warning b...
Reposted by Martin Kelko
#Etna #volcano (Sicily, Italy): strombolian activity last night - The Istituto Nazionale Geofisica e Vulcanologia Catania reported that another phase of strombolian-type activity occurred last night.
At about 01:50 UTC, incandescent material ejected from the South-East Crater associated with ash...
At about 01:50 UTC, incandescent material ejected from the South-East Crater associated with ash...
Etna volcano (Sicily, Italy): strombolian activity last night
www.volcanodiscovery.com
June 2, 2025 at 4:05 AM
Reposted by Martin Kelko
#White Island #volcano (New Zealand): eruptive activity declined - Over the past two weeks, webcam images have consistently shown a steam and gas plume emerging from the active vent. However, confirming the presence of ash has proven difficult. During this same period, our colleagues at MetServic...
White Island volcano (New Zealand): eruptive activity declined
www.volcanodiscovery.com
May 27, 2025 at 4:17 AM
#White Island #volcano (New Zealand): eruptive activity declined - Over the past two weeks, webcam images have consistently shown a steam and gas plume emerging from the active vent. However, confirming the presence of ash has proven difficult. During this same period, our colleagues at MetServic...
Spectacular lava fountains and lava flows from Kilauea's north vent!
May 27, 2025 at 4:10 AM
Spectacular lava fountains and lava flows from Kilauea's north vent!
Reposted by Martin Kelko
#Kilauea #volcano (#Hawaii) update - Another, 23rd episode started within the Halemaʻumaʻu crater floor at about 04:15 PM local time yesterday and is here at the of this update.
The activity in the north vent increased from very low levels to strong, dome-shaped lava fountains by 04:50 PM. Col...
The activity in the north vent increased from very low levels to strong, dome-shaped lava fountains by 04:50 PM. Col...
www.volcanodiscovery.com
May 26, 2025 at 4:15 AM
2021-2025 lava flow fields on Reykjanes Peninsula!
May 22, 2025 at 4:28 AM
2021-2025 lava flow fields on Reykjanes Peninsula!
Reposted by Martin Kelko
#Dukono #volcano (Halmahera, Indonesia): explosions continue - The eruptive activity of the volcano resumes.
At about 06:25 local time today, a powerful explosion took place from the crater vent. A grey ash-rich column released tephra material to an altitude of 2,700 meters towards the northwest...
At about 06:25 local time today, a powerful explosion took place from the crater vent. A grey ash-rich column released tephra material to an altitude of 2,700 meters towards the northwest...
Dukono volcano (Halmahera, Indonesia): explosions continue
www.volcanodiscovery.com
May 21, 2025 at 3:56 AM
Reposted by Martin Kelko
#Popocatépetl #volcano (Mexico): eruptions go on - The explosive eruption at the volcano continues.
Emissions of water vapor, gases and small amounts of ash have been registered from the summit crater that propagated northwest in an altitude of approx. 20,000 ft (6,100 m).
The seismic station ...
Emissions of water vapor, gases and small amounts of ash have been registered from the summit crater that propagated northwest in an altitude of approx. 20,000 ft (6,100 m).
The seismic station ...
Popocatépetl volcano (Mexico): eruptions go on
www.volcanodiscovery.com
May 19, 2025 at 4:08 AM
#Popocatépetl #volcano (Mexico): eruptions go on - The explosive eruption at the volcano continues.
Emissions of water vapor, gases and small amounts of ash have been registered from the summit crater that propagated northwest in an altitude of approx. 20,000 ft (6,100 m).
The seismic station ...
Emissions of water vapor, gases and small amounts of ash have been registered from the summit crater that propagated northwest in an altitude of approx. 20,000 ft (6,100 m).
The seismic station ...