Active or Not? That Is The
You and a colleague have been
hired by a local land developer to help select land where
new apartments can be built. The developer wants the land to
be as close to downtown as possible, but far away from
active faults. (Being close to a fault is okay as long as
it's not an active fault.)
To evaluate seismic activity
along major San Francisco faults.
- 1999 Landsat 7 image of
the San Francisco Bay area
- fault map of the San
Francisco Bay area
There are faults in the San
Francisco Bay Area. Some of them are active but
some are not.
1999 Landsat 7 Image of
the San Francisco Bay Region.
Image Processing by
Janet Chien NASA/GSFC
For this work you have selected a
recent image from Landsat 7, and
you have added a yellow mark to show the center of each
seismic event that has occurred during the past 100 years.
You have also found a good map of the faults in the area.
Satellite Data and Fault Map
Compare the satellite image with the
fault map. Look for faults that seem the most active.
Print out the fault map and use it to
mark the spot where you recommend placing the new
apartments. Write a short paragraph in which you explain
1999-2007 Event-Based Science Project