CREATE TABLE table_12101 ("Date" TEXT, "Epicenter" TEXT, "Magnitude" TEXT, "Intensity" TEXT, "Casualties" TEXT)

What is the epicenter of the earthquake on March 2, 1825 with an unknown intensity?
SELECT "Epicenter" FROM table_12101 WHERE "Intensity" = 'unknown' AND "Date" = 'march 2, 1825'
SELECT "Epicenter" FROM "table_12101" WHERE "Date" = 'march 2, 1825' AND "Intensity" = 'unknown'