Schematic of major volcanic fields and structures in Baja California. Image courtesy All.This.Homework blog. https://allthishomework.wordpress.com/general-education/physical-geography/earthquakes-and-volcanoes/
Advertisements
The Southwest side of Avachinsky Volcano 09/2014 (© kuhnmi via Wikimedia)
Although I have known that the Avachinsky is one of the more active volcanoes in Kamchatka, somehow I habitually tended to skip it when checking webcams and reports for new activity in Kamchatka – I saw forever this owl face, this snow-covered, never-changing mountain… That has changed since I came across this wonderful diary by a 19th century German-Baltic geologist and explorer, K. v. Ditmar. He had lived and worked 1851-55 in Petropavlovsk, at the foot of two magnificent volcanoes. Although he didn’t manage to get to the crater – bad weather, strong gas emissions and superstitious company made him abandon two attempts – he loved volcanoes! Continue Reading
AVO survey team returning to ship following a day of investigation of Bogoslof August 2018. Newly formed dome is at left, with still active fumaroles. 1926 – 1927 dome in in the center. 1992 dome is to the right. Photo courtesy Gabrielle Tepp, AVO. https://avo.alaska.edu/images/image.php?id=127351
Volcanic fields and provinces in Queensland. Image screen capture courtesy Jones Thesis 2018, Evolution and migration of Cenozoic Australia.
I originally intended to cover all volcanic fields and provinces I could find in Queensland. Turns out there were a lot of them, so many that the post grew too large. Will limit this post to northern and central Queensland, and bundle southern Queensland with New South Wales in Part 3, the next post. With that being said, let’s take a look at Queensland.
(© Ryszard Chajęcki, R/V Petrel)
In our post about Tinakula’s October 2017 eruption I wrote: “This island is so remote that exiting news of an eruption may come through within a few days, but we will probably never learn when, how, or if at all the eruption has ended.”
Well, officially the eruption seems to have ended on 26 October 2017, as listed by the GVP. However, National Situation Reports by the NDMO appeared up into the first week of November; a volcanic assessment on Tinakula on Nov. 5 showed numerous eruptions Continue Reading
Volcano Coropuna is Peru’s largest and highest volcano and is part of the Cordillera de Ampato. 6/2015. (© Huaylas te Invita, via Wikimedia). The view is – my educated guess – from the SW via Laguna Pallarcocha in the foreground.
At the end of last year Peruvian volcanologists had made an announcement that installing a permanent monitoring system to this high-risk volcano was finished… wait, high risk?… I never knew that Nevado Coropuna was that dangerous, more reason to get acquainted with this volcano. Please meet my newest friend: Continue Reading
Anak Krakatau a week following flank collapse eruption Dec. 22. The vent region has not yet been rebuilt above water level. Highest remaining part of the island is the hyaloclastic ring that used to host the most recent cone. Note also the island has been resurfaced and grown a bit. Image courtesy BBC News, Jan. 3 https://www.bbc.com/news/science-environment-46743362https://www.bbc.com/news/science-environment-46743362
Yutian volcano in Kunlun Volcanic Group. Image courtesy China Whisperer. http://www.chinawhisper.com/top-6-chinas-amazing-volcanoes/
Aerial view of Mayotte: Petite Terre, with Grande-Terre in the background. Aug. 2018. (© Gil40100, via tripadvisor.com)
On the morning of November 11, just before 9:30 UTC, many seismographs around the world began scribbling a strange signal that looked only remotely like a normal earthquake. Someone spotted it, and it didn’t take long until, in the social media, tinhattery boiled over the rim and attention-seekers had a heyday. Continue Reading
Minnesota offramp. There is a marshy area off the photo to the right (west). Soil liquefied underneath the road fill and it moved. Vehicle was recovered intact. Driver was not harmed. Image courtesy ADN. https://www.adn.com/tag/11-30-18-alaska-earthquake/
Spica