DISASTER WHICH KILLED 8 MINERS DUE TO DAM-CAUSED QUAKE
By Ramaswami Ashok
Kumar, B.E.,M.E., Negentropist, Bombay Sarvodaya Mandal, 299, Tardeo Road, Nana
© 2016-2017 Ramaswami
A 4.3 MM moment
magnitude earthquake on 2016-11-29T20:09:39.280Z at 3km NNW of
Grebocice, Poland about 14 km from the Polish copper and silver deep mine Rudna caused a portion of the mine to
collapse and caused the death of 8 miners. This earthquake was caused by the
world’s dams (Ref 1).
The dam surge of 0.000217669 billion cubic
meters (BCM) at the instant of the quake caused the quake at
at a depth of 5 km with a seismic
moment of 0.000281838x10^19.05 Nm. At the hypocentre the displacement was
vertically downwards of 83.2786 m. The distance of the hypocentre to the
centre of gravity of the world’s dams located at
was 7405 km.
The energy released by the earthquake
was 1.77828E+11 Nm.
The force applied by the dam surge at
the hypocentre was -2135335566 N. This is about 100000 times the thrust
developed by an Airbus 320 plane!
Thus the (downward) displacement at the
hypocentre was energy released/Force
= -83.2786 m
The dam surge mentioned was also
applied at the Rudna mine located at 1.224 km below ground at
The dam surge appeared slightly later,
0.891 s, at the Rudna mine location because it is more distant from the centre
of gravity of the world’s dams. The distance from the centre of gravity(CG) of
the dams to the mine is 7411 km. The dam
surge that hit the mine is assumed to be caused by the same dam content change
which caused the damquake, as the time for the surge to appear at the mine is
only 0.891 s later than the time of the quake in Poland.
The water moment exerted by this dam
content change on the mine is dam content change(dbcm) acting at CGx the water
moment arm which is the distance CG-mine location*9.81 Nm or
Water moment,WM,Nm = 0.000217669*10^15*9.81*7411/10^19.05/5=0.000282081
Equivalent Damquake magnitude,EqMM=(10-3.549626611)/1.5=4.300248926
The energy released by this equivalent
damquake at the mine is calculated from
Thus EsRudna, Nm = 10^11.25= 1.77981E+11
The force exerted by the dam content
change on the mine is dbcmx10^12x9.81 N or
Force,N= 0.000217669x 10^12x9.81= -2135332890
Thus vertical (downward) displacementt at
Rudna mine,m= Es/Force=1.77981E+11/-2135332890 or
Thus the ground sank by 83.35 m at the
mine, and thus the boulders came crashing down at the mine location some 1.224
km down, where the workers were situated.
Conclusion. The world’s dams meeting
water needs are exerting forces and bending moments on modern civilization's infrastructure making
it collapse catastrophically all over the world. This time it’s the large mine
in Poland. Days before on 21 November it was a major earthquake at South Island
New Zealand, In October 2016 it was destruction of whole villages and heritage
structures in Central Italy and many deaths.
1. Ramaswami Ashok Kumar.2015. predicting
earthquakes: The science of dams causing earthquakes and climate