The Synergy between the Comprehensive Nuclear Test-Ban Treaty Organization and the Kenya National Data Centre: Insights from Analysis of Chyulu Earthquake using Seismic and Infrasound Technologies

Abstract

Chyulu hills is located on an off-rift volcano in the southwestern Kenya and has been seismically active. On 24th March 2019, Chyulu hills experienced one of the strongest earthquake in Kenya in recent times. The body wave seismic phases, surface wave seismic phase as well as the focal depth was used to analyse the seismic events. The propagation velocity of the seismic wave signal detection through infrasound station I32KE was also used. The seismic and infrasound data were processed using Geotool and DTK-GPMCC softwares provided to member states. The results showed that the seismic event was a natural earthquake by virtue of its focal depth of about 9.1 km and seismic wave velocity of 6.2 km/s. The infrasound station to source azimuth of 139.63o further complemented the epicentre of the seismic event as being in the southwestern Kenya near Chyulu hills.