(through June 30, 2009)

UGS Monitoring of the Landslide
In the hot dry summer period, the
UGS will monitor landslide conditions
less frequently, due to the anticipated
very slow movement during this period.
The UGS will likely begin more frequent
monitoring in the fall, particularly if wet
weather returns.

June 29, 2009: Measured ground-water levels.

June 18, 2009: Measured landslide movement using a survey-grade GPS instrument and ground deformation.

April 23, 2009: Measured ground-water levels and ground deformation.

April 15, 2009: Measured ground-water levels and ground deformation.

April 8, 2009: Measured ground-water levels.

April 7, 2009: Measured ground deformation.

April 6, 2009: Measured landslide movement using a survey-grade GPS instrument.

March 24, 2009: Measured ground-water levels and ground deformation.

March 11, 2009: Measured ground-water levels and ground deformation.

February 26, 2009: Measured landslide movement using a survey-grade GPS instrument.

February 24 & 25, 2009: Measured ground-water levels and ground deformation.

February 19, 2009: Posted webpage on landslide conditions.

February 11, 2009: Measured ground-water levels and ground deformation.

January 27, 2009: Measured ground-water levels and ground deformation.

January 20, 2009: Presentation to city staff and utility company representatives on landslide conditions. Site field trip with city council.

January 17, 2009: Presentation to residents and city council on landslide conditions.

January 14, 2009: Initiated landslide movement monitoring using a survey-grade Global Positioning System (GPS) instrument.