Eruption news from Cleveland volcano:
Thu, 13 Dec 2018, 09:35
A small explosion at the volcano's summit was detected last night at 20:53 UTC (11:53 AKST) on seismic data, the Alaska Volcano Observatory reported. ...more [read all]
Cleveland volcano (Aleutian Islands, USA): aviation colour code raised to orange as satellite image reveals lava flow in summit crater
Thu, 28 Jun 2018, 14:17
The Alaska Volcano Observatory (AVO) reported on Tuesday evening 26 June 2018 that satellite images obtained from Cleveland volcano the day before show a small circular lava flow of about 80 meters (260 feet) diameter covering the floor of the summit crater. The presence of a lava flow over the active vent increases the possibility of a vent clearing explosion over the coming days to weeks and thus AVO is raising the Aviation Colour Code ORANGE and the Volcano Alert Level to WATCH. ...more [read all]
A photo of Mount Cleveland taken on July 24, 2016. This image shows Cleveland's steep stratovolcano geometry and minor degassing from the summit. Photo by John Lyons, Alaska Volcano Observatory / USGS.
Sun, 20 May 2018, 13:45
Sat, 5 May 2018, 07:47
A moderate explosion occurred at the volcano this morning (21:49 yesterday local time), detected by local seismic and infrasound sensors, the Alaska Volcano Observatory (AVO) reported. ...more [read all]
Seismic recording from CLCO station showing the explosion at Cleveland this morning at 05:49 UTC (image: AVO / USGS)
Sat, 5 May 2018, 07:00
Mon, 9 Apr 2018, 07:12
The alert level was lowered back to yellow yesterday. No significant activity was detected from the volcano since the small explosion on 4 April.
Wed, 4 Apr 2018, 16:06
A small explosion occurred at the volcano today at 11:55 UTC or 03:55 local Alaska time. It was detected by AVO's local seismic and infrasound sensors. ...more
Wed, 4 Apr 2018, 12:45
Wed, 7 Mar 2018, 09:06
No new eruptive activity has been detected at the volcano since the small explosion on 2 March. ...more
Sat, 3 Mar 2018, 06:04
A small explosion was detected yesterday at 14:57 UTC (05:57 AKST) on seismic and infrasound sensors. A small ash plume was observed heading ENE at an altitude of about 15,000 ft (5 km). ...more [read all]
Fri, 2 Mar 2018, 15:45
Mon, 12 Feb 2018, 15:39
No eruptive activity has been detected in a month since 18 Dec, and the volcano observatory lowered the alert level to Yellow.