Figure 5

The KHPP-2 explosion event on December 22, 2009 (11:54 am). a) Snapshots kindly provided by A. Obopol; note the slope failure near spillway exit caused by seismic shaking; see also title page of journal published in Bishkek on December 23, 2009 (title: ‘Explosion of national importance’). b) Accelerograms recorded on the E-W and Z- components of station S2 above the spillway exit (location in Figure 4a).