Activity |
Major Strombolian |
Dates of the explosion |
Beginning |
End |
|
January 21rd 2010 20:45: 38 GTM 20:46:29 GTM |
Ballistic bomb velocities |
50-72 m/s |
Distance from the vent |
429 m |
Volume |
10.24 m3 |
Mass |
3.6 x 104 kg |
MDR |
2 x 104 kg s-1 |
Seismic displacement and velocity |
1.5 x10-5 m
2x10-4 m/s |
Acoustic pressure |
133 Pa (ROC station) |
Radiometer amplitude |
|
Thermal Video |
|
Seismic registration (at the STR Station) of the major explosive event of the 21 January 2010
Infrasonic registration at the ROC station of the major explosive event of the 21 January 2010 (first peak)
Description |
Decimetric bombs from a major Strombolian explosion |
Particle morphology |
1 Data table |
Particle grain size distribution |
1 Data table |
Particle weight
Particle density
Particle porosity |
1 Data table |
Particle glass chemistry |
1 Data table |
Minimum size of vesicles counted (pixel) |
10 |
Particle crystal content
Number of counted crystals x particle
Number of counted vesicles x particle
Particle 2D integrated vesicularity (%)
Particle Vesicle Number density |
1 Data table |
Number of images (x magnification x area) |
5 Data tables |
Vesicle equivalent diameter
Vesicle area
Vesicle perimeter
Vesicle long axis
Vesicle short axis
Vesicle orientation
Image magnification |
5 Data tables |
Bins
Na
Nv |
5 Data tables |
