An earthquake struck the San Fernando Valley on January 17 at 4:30 am. Pacific Standard Time. The epicenter was located at 34°13' North, 118°3' West at a depth of 14.6km. The surface wave magnitude from the National Earthquake Information Centre was 6.6. The local magnitude was 6.4. Most of this information was prepared within a few days of the earthquake occurring and some of the material included in this report was issued as a press release. A more detailed report is currently being prepared by the Reconnaissance Team sent by the Society.