Cleveland , Alaska : AVO is reducing the Aviation color code to YELLOW .

Cleveland , Alaska : AVO is reducing the Aviation color code to YELLOW .

Volcanic Activity Summary: No major activity has been observed at Cleveland Volcano since satellite data confirmed the eruption of a small volume lava dome within the summit crater on May 18. Weakly elevated surface temperatures have been detected in satellite data from the past…

Cleveland , Alaska : AVO is reducing the Aviation Color Code to YELLOW.

Cleveland , Alaska : AVO is reducing the Aviation Color Code to YELLOW.

AVO/USGS Volcanic Activity Notice Current Volcano Alert Level: ADVISORY Previous Volcano Alert Level: WATCH Current Aviation Color Code: YELLOW Previous Aviation Color Code: ORANGE Issued: Friday, April 29, 2016, 11:36 AM AKDT (20160429/1936Z) Source: Alaska Volcano Observatory Notice Number: 2016/A8 Location: N 52 deg…

Cleveland , Alaska : no activity was observed in cloudy Satellite views.

Cleveland , Alaska : no activity was observed in cloudy Satellite views.

Cleveland , Alaska : 52°49’20” N 169°56’42” W, Summit Elevation 5676 ft (1730 m) Current Volcano Alert Level: WATCH Current Aviation Color Code: ORANGE   No unusual seismicity has since been detected at Cleveland in the past 24 hours and no activity was observed…

Cleveland , Alaska : no significant activity was observed .

Cleveland , Alaska : no significant activity was observed .

Cleveland has been mostly obscured by clouds and no significant activity was observed in satellite views of the volcano over the past 24 hours. No significant activity was detected in seismic or infrasound (pressure sensor). Cleveland volcano forms the western portion of Chuginadak Island,…

Cleveland, Alaska: decline in activity at Cleveland .

Cleveland, Alaska: decline in activity at Cleveland .

Based on a decline in activity at Cleveland over the past month, AVO earlier today lowered the Level of Concern Color Code to YELLOW and the Alert Level to ADVISORY. Nothing of note was observed in web camera and satellite views of the volcano…

Cleveland, île Chuginadak, Alaska: elevated surface temperatures were detected .

Cleveland, île Chuginadak, Alaska: elevated surface temperatures were detected .

AVO reported that during 2-3 September a few very small earthquakes were detected at Cleveland. During 5-7 September elevated surface temperatures were detected in satellite images. Steaming from the summit was recorded by the webcam on 5 September. The next day satellite and webcam…

Cleveland, Alaska: Elevated surface temperatures were observed.

Cleveland, Alaska: Elevated surface temperatures were observed.

Elevated surface temperatures were observed in satellite images on one day over the past week. Web camera views were cloudy. A small swarm of earthquakes occurred at Cleveland on August 29, but has subsided considerably in the past few days. Owing to the small…

Cleveland, Alaska : new lava dome.

Cleveland, Alaska : new lava dome.

An overflight by helicopter, on August 4, 2015, of the Cleveland volcano crater in Alaska showed that in this crater was formed a new lava dome, with concentric rings and radial fractures on its surface, surrounding the upper part of a « core »….

Cleveland , Île Chuginadak , Alaska : Slightly elevated surface temperatures at the summit of the volcano were observed.

Cleveland , Île Chuginadak , Alaska : Slightly elevated surface temperatures at the summit of the volcano were observed.

AVO reported that during 29 July-4 August satellite images detected strongly elevated surface temperatures at Cleveland’s summit consistent with growth of a new lava dome. A field crew working in the area on 1 August reported frequent rockfalls on the volcano. A weak infrasound…

Cleveland , Alaska : Low-level unrest continues at Cleveland.

Cleveland , Alaska : Low-level unrest continues at Cleveland.

Low-level unrest continues at Cleveland. No unusual activity has been observed in clear satellite or web camera images since the explosion on July 21. A local field crew made an observation overflight yesterday and noted a thin layer of ash on the upper flanks…