Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 September-7 September 2021 (Continuing Activity)

Mi, 1. Sep 2021, 06:00

06:00 AM | VON: VN

AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 31 August-7 September. Multiple daily explosions were detected by seismic and infrasound networks. Ash-and-steam plumes from the explosions were sometimes confirmed in satellite and webcam images rising to altitudes lower than 3 km (10,000 ft) a.s.l., though during 6-7 September ash plumes rose as high as 4.6 km (15,000 ft) a.s.l.
Local ashfall on the island was visible in satellite data. Sulfur dioxide emissions were detected in satellite images during 31 August-2 September and on 6 September. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.

Source: US Geological Survey Alaska Volcano Observatory (AVO)
---
From: Global Volcanism Program, 2021. Report on Semisopochnoi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 1 September-7 September 2021. Smithsonian Institution and US Geological Survey.

Alle News zu: Semisopochnoi Vulkan
Hintergrundinfos zu: Semisopochnoi Vulkan

Vorherige Nachrichten

So, 29. Aug 2021, 04:30

Semisopochnoi Vulkan stößt Aschenwolke auf bis zu 12000 ft (3700 m) Höhe aus

Sa, 28. Aug 2021, 17:45

Semisopochnoi Vulkan wirft Aschenwolke auf bis zu 12000 ft (3700 m) Höhe aus

Mehr auf VolcanoDiscovery

Saronic Gulf
30 Mar - 6 Apr

Land of Theseus
A relaxed walking and study tour to one of Greece's hidden treasures and also one of the least known volcanically active areas in Europe.

Vulkankarte

Karte gerade aktiver Vulkane
Schauen Sie, welche Vulkane gerade tätig sind - vielleicht mehr als Sie denken würden!

Merapi

Merapi volcano photos
One of the most active and most dangerous volcanoes of Indonesia: Merapi meaning "the one who makes fire", is a feared but also venerated holy mountain looming over the city of Yogyakarta, capital of Central Java.

Krakatoa video

Krakatoa explodes
In the afternoon of 17 Oct, a particularly violent explosion occurred at Anak Krakatau, blasting away a portion of the southern crater rim. A similar event might have been the final trigger for the catastrophic landslide that let the cone collapse and cause a devastating tsunami on 22 Dec 2018.

Vanuatu

Vanuatu Volcano Tours
One of the most exciting volcano travel destinations in the world! On our adventurous expeditions, you will get close to active lava lakes on Ambrym Island and the spectacular fireworks of Yasur volcano on Tanna Island.