A tsunami warning was made by the Pacific Tsunami Warning Center Pacific-wide , although they warned of the possibility of local tsunamis within 100 kilometers of the epicenter ( between San Antonio and ConcepciÃ n ) . A Pacific-wide tsunami warning was not issued by the Pacific Tsunami Warning Center , although they pointed out the possibility of local tsunamis within 100 k of the epicenter , between La Serena and ConcepciÃ n. The Hydrographic and Oceanographic Service -- SHOA , a Chilean Navy agency , issued a tsunami warning between Coquimbo and Los Lagos regions .