by Dave Guadagni

Answer for Last Week's Puzzler

Tokyo sits on the confluence of three faults. How often do they have measurable earthquakes? About how often does the earth experience a magnitude 7 earthquake? Magnitude 8?

Answer: 

Tokyo experiences about two earthquakes per day. Somewhere on the planet a magnitude 7 earthquake occurs weekly and a magnitude 8 quake occurs annually.

Bookmark this page:

The answers to this week's puzzler will be published here next week.

Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

Quizzical Pursuit is Copyright 2000, Dave Guadagni.