Alaska | ||||||
EDM | GPS | Leveling | Tilt Meter | Dry Tilt | MAG | |
Aniakchak Volcano |   | 1994 |   |   |   |   |
Augustine Island | 1988 1989 |
1992 1993 1995 1996 |
  | est.1992 |   | 1988 1989 |
Katmai Volcano | 1989 1990 1993 |
1993 1995 |
  |   |   |   |
Mount Redoubt |   | 1991 1992 |
  |   |   |   |
Washington State | ||||||
  | EDM | GPS | Leveling | Tilt Meter | Dry Tilt | MAG |
Mount Baker | 1982 1983 |
  |   |   | 1975 1977 1981 1983 |
  |
Mount Rainier | 1982 1983 1988 1989 1994 |
1994 |   |   | 1982 1983 1988 |
  |
Mount St. Helens | 1980 thru ongoing |
1992 1993 1997 permanent station established |
1981 thru 1985 |
1980 thru 1990 |
1981 thru 1985 |
1980 thru 1986 |
Oregon | ||||||
  | EDM | GPS | Leveling | Tilt Meter | Dry Tilt | MAG |
Crater Lake | 1982 1983 1984 1988 |
  | 1985 1986 |
  |   |   |
Mount Hood | 1983 1984 |
  |   |   | 1983 1984 |
  |
Newberry Caldera | 1985 1986 |
  | 1985 1986 1994 |
  |   |   |
South Sister | 1985 1986 |
2001 2002 installed two continuous stations 2001 |
1985 1986 2001 2002 |
  |   |   |
California | ||||||
  | EDM | GPS | Leveling | Tilt Meter | Dry Tilt | MAG |
Lassen Peak | 1981 1982 1984 |
  | 1993 |   | 1981 1982 1984 |
  |
Long Valley - Mammoth Mountain |
1989 | 1997 1998 1999 installed 14 continuous stations 1998-2001 |
1988 thru 1993 1995 1997 |
  | 1982 |   |
Medicine Lake | 1989 | 1990 | 1988 1989 1990 1999 |
  |   |   |
Mount Shasta | 1981 1982 1984 |
1990 |   |   | 1981 1982 1984 |
  |
Wyoming | ||||||
  | EDM | GPS | Leveling | Tilt Meter | Dry Tilt | MAG |
Yellowstone Caldera | 1984 1987 |
1996 continuous GPS since 1999 |
1983 thru 1993 1995 1996 1998 |
  |   |   |
-- Table info by Gene Iwatsubo, last updated: 2003 |
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