-*-*-*-*🌊_._._**🧊🌨(cloud-<3-🌎)

#groundwater #irrigation #hydrogeology #stream #subsidence #surface water #hydrology #wetland

🌋💥⬇️

#volcano #eruption #collapse #subsidence #volcanic collapse #volcanology

🌍🕳️⚠️

#sinkhole #ground collapse #hole in ground #cavity #subsidence #geological hazard