elevation changes. the good news for that is people can get out of the relative danger zone fairly easy and effectively. we have been talking about needing to seek higher ground now that the tsunami warnings have been cancelled. there's no longer a threat for dangerous, impactful tsunamis but that doesn't mean the water won't come happening up on the shoreline. you need to be cognizant of that. the bigger struggle moving forward will be the potential damage for homes and to the s r infrastructure. we have seen pictures of roadways that have been split by the shaking. we have also heard about fires. i believe miguel was telling us about several fires have erupted. i think that's probably because of broken gas lines. anyone who has gas power for anything in their home or business might have that line ruptured. all gas needs to be turned off in homes or buildings that have gas power.