This evening I noticed a mark on one of the vertical blinds in my sun porch and went out to investigate. It didn't look like dirt .
But for tonight I am back on my hardanger angel.
PS The book about the tsunami victims didn't haunt my dreams last night. But I did have an appointment on the 29th floor of a waterfront building in the city today and admit to a feeling of unease. To think, they probably pay premium rent for their location and views but haven't given a though to earthquake or tsunami risk. Well inland and single story for me from now on :-)