06/09/2026
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'This Week In The Database'
Date Focus - 5th September
In this new feature, we look at what reports we have locked and loaded in the Database (85) from this week in history and attempt to analyse a multitude of data points including elevation and hopefully, any geo-location correlations that we might find.
Key Analytical Takeaways
1. The September 8th Multi-Region Trigger
September 8th is the single most active calendar day in the first half of September, with 24 reports recorded across 18 different states and Canadian provinces. This marks a clear transition into the early autumn activity surge.
2. Four Confirmed 15-Mile Spatial Corridor Locks
Expanding across the full 7-day window confirms four distinct multi-decade corridor pairs:
WA / OR Columbia River Gorge: Sept 3, 1969 (Skamania, WA) Sept 4, 2001 (Hood River, OR) — 13.9 miles apart.
WA Central Cascades Foothills: Sept 7, 1988 (Snohomish, WA) Sept 8, 2008 (King, WA) — 14.4 miles apart.
WA Mount St. Helens Flank: Sept 5, 2002 (Cowlitz, WA) Sept 6, 2010 (Lewis, WA) — 12.3 miles apart.
Indiana Hoosier Forest Belt: Sept 5, 2020 (Brown, IN) Sept 7, 2011 (Morgan, IN) — 13.6 miles apart.
3. State Distribution Leaders (7-Day Period)
Washington: 9 reports
California: 7 reports
Kentucky: 7 reports
Indiana: 5 reports
Illinois & Ohio: 4 reports each
Idaho & Minnesota: 3 reports each
Tomorrow we will look a little more extensively at the Indiana Hoosier Forest Belt and the reports that fall within it, at this time of the year.