The third relocation was in December 1818 due to the threat of invasion by Hippolyte Bouchard and his two ships of Peruvian pirates . The padres relocated inland with the Mission 's livestock and valuable items . Although the historical record is unclear as to whether Santa Gertrudis was the site of refuge , historian E. M. Sheridan wrote as follows in an unpublished account : " Miguel was put in charge of the advance guard of Indians to head northward and make arrangements for the reception at Casitas , at the Chapel of Santa Gertrudis which was considered far enough back as to become an abiding place until Bouchard and the expected pirates should have come and gone . " The fourth relocation followed the 1857 Fort Tejon earthquake . Two historical accounts indicate that the 1857 relocation was to Santa Gertrudis
1857 Fort Tejon earthquake
1857 Fort Tejon earthquake
Santa Gertrudis Asistencia