--------------------------------------------------------------- The following message was sent to you via AVO Web Email System: --------------------------------------------------------------- Name: Brian Brettschneider Email Address: bbrettschneider@outlook.com Subject: Mt. Katmai Message: While looking through some climate publications from the 1920s, I came across two notations of ashfall from Mt. Katmai in 1920 and 1921. Specifically, they were from the Cooperative weather observer at Naknek. On March 9, 1920, the note indicated "thick ashes were falling from Mt. Katmai." On November 27, 1921, the note indicated "heavy ashes were falling from Mt. Katmai." These are the same dates listed on Table 2 of Coats' "Volcanic Activity in the Aleutian Arc" (1950). My guess is that Coats saw these reports. Unfortunately the monthly observation forms from Naknek are missing. The notations I quoted were from statewide monthly climate summaries at the time. However, the Dillingham monthly forms are available and show light winds from the north for both events. However, Kodiak shows winds from the southeast on March 9, 1920, and no wind direction was noted in November 1921. Given the geographical closeness to Novarupta and the temporal closeness to the 1912 eruption, the obvious question to ask is if it is a resuspension of tephra from 1912. Of course that is a question for you guys to ponder. Still, the adjectives "thick" and "heavy" are intriguing. ---------------------------------------------------------------- REMOTE IP ADDRESS: 206.174.102.212 USER AGENT/BROWSER: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36 REFERRING PAGE: https://www.avo.alaska.edu/contact.php