CREATE TABLE table_25675509_1 (date__yyyy_mm_dd_ VARCHAR2, latitude VARCHAR2)

On which date did the shock at latitude 08.909 s occur?
SELECT date__yyyy_mm_dd_ FROM table_25675509_1 WHERE latitude = "08.909° S"
SELECT "date__yyyy_mm_dd_" FROM "table_25675509_1" WHERE "08.909° S" = "latitude"