of this could crumble. they feel like they have a grip on the situation. they think they know what they are dealing with. two houses they believe are sort of in "imminent danger" of crumbling, but right now, as many as 36 residents have been evacuated. and, of course, crews keeping an eye on the situation. not really quite sure why this occurred. perhaps because the ground was saturated with water from the winter, but they didn't have rain in recent days. so still a misery in terms of why this occurred. geologists coming out today and inspecting. soledad. >> dan simon for us. thank you. the pictures are amazing. let's get to what exactly causes landslides. is it an epidemic. from a way, from the reports, jennifer delgado, it seems like we hear more about landslides and sinkholes. >> we're really just more aware of this, soledad. we can see landslides and sinkholes pop up anywhere around the world.