India, July 30 -- While first tsunami waves have struck California, Hawaii and Alaska, Los Angeles weather service warned people against visiting the inundated areas, stating that "waters could return multiple times through the next 24 hours." The NWS Los Angeles mentioned that the first tsunami wave may not be the largest.

"The Port San Luis gauge shows a rapid and damaging surge, going from low to high tide in just a few minutes. Do not return to inundated areas as waters will recede, but could return multiple times through the next 24 hours, and the first wave may not be the largest. #Tsunami," the weather agency said.

The Pacific Warning Center upgraded the Hawaii tsunami alert to "advisory," stating that residents can safely return...