Volcano Name Unit name Property Type Property Value Qualifier Error Citation
St. Helens 1980 AD Bulk DRE Volume 0.3 Gardner et al (1998)
St. Helens 1980 AD Bulk deposit volume 1.2 Gardner et al (1998)
St. Helens 1980 AD Bulk deposit volume 1 SI
St. Helens 1980 AD Maximum Column Height 19 Pyle (2000)
St. Helens 1980 AD Maximum Column Height 19 Carey and Sigurdsson (1989)
St. Helens 1980 AD Maximum Column Height 19 Carey et al (1995)
St. Helens 1980 AD Maximum Column Height 27 SI
St. Helens 1980 AD Maximum Column Height 24 Jakosky (1986)
St. Helens 1980 AD Maximum Intensity 10.3 Gardner et al (1998)
St. Helens 1980 AD Maximum Intensity 10.3 Pyle (2000)
St. Helens C (Cs, Cy, Cm, Cw, Ct) (Ape Canyon) Magnitude 6.3 Hayakawa (1996)
St. Helens C (Cs, Cy, Cm, Cw, Ct) (Ape Canyon) Maximum VEI 5 ? Smithsonian Pleistocene Database
St. Helens Ps/Pu (Pine Creek) Maximum Intensity 9.7 Gardner et al (1998)
St. Helens T (Goat Rocks) Bulk deposit volume 2 < SI
St. Helens T (Goat Rocks) Maximum Intensity 10 Gardner et al (1998)
St. Helens We (Kalama) Bulk deposit volume 2 < SI
St. Helens We (Kalama) Maximum Intensity 10.4 Gardner et al (1998)
St. Helens Wn (Kalama) Maximum Intensity 10.87
St. Helens Yb (Smith Creek) Bulk deposit volume 1 SI
St. Helens Yb (Smith Creek) Maximum Intensity 10.72
St. Helens Ye (Smith Creek) Bulk DRE Volume 0.26 0.13 Nathenson et al (2017)
St. Helens Ye (Smith Creek) Bulk deposit volume 1 0.5 Nathenson et al (2017)
St. Helens Ye (Smith Creek) Maximum Column Height 32 Nathenson et al (2017)
St. Helens Ye (Smith Creek) Maximum Intensity 10.79
St. Helens Yn (Smith Creek) Bulk DRE Volume 1.54 0.76 Nathenson et al (2017)
St. Helens Yn (Smith Creek) Bulk deposit volume 5.9 2.9 Nathenson et al (2017)