There were 13 Aftershocks
Furthermore, Novriadi said that BNPB always pays special attention to the Mentawai Islands Regency as an area with a high category of earthquake and tsunami prone zones.
“We would like to thank BNPB for the logistical support that has been sent to us to support the fulfillment of the needs of the affected residents. BNPB is quite concerned about the Mentawai Islands,” said Novriadi through the Disaster Briefing program which was broadcast live through the BNPB Indonesia YouTube channel
Based on the development of data, the phenomenon of M 6.4 earthquakes has had 13 aftershocks with a strength from M 3.5 to a maximum of M 6.4. The series of earthquakes occurred in the Mentawai megathrust segment which is known to store earthquake energy potential up to M 8.9, and has the potential to trigger a tsunami.
The reported damage to the earthquake included one building of SMP N 3 Simalegi lightly damaged, one unit of SDN 11 Simalegi heavily damaged, one building of Puskesmas Betaet lightly damaged, one church lightly damaged, one building of the west Siberut sub-district office hall lightly damaged and others still under data collection.
The earthquake shock, which was felt quite strongly on Siberut Island, has also forced 2,326 residents to evacuate to the hills. The increase in the number of refugees was triggered by community concerns if there was an aftershock that could have the potential for a tsunami.
Meanwhile, to date there have been no reports of casualties and the situation and conditions are safely under control.
Indonesian version read on Topkata
Megathrust Mentawai Segment Has the Potential for an M 8.9 Earthquake