Significant Earthquake

Date Earthquake Location Earthquake Parameters
Focal
Depth
Magnitude MMI Int
Year Mo Dy Hr Mn Sec Name Latitude Longitude Mw Ms Mb Ml Mfa Unk
1992 4 25 18 6 4.2 CALIFORNIA: HUMBOLDT COUNTY: FERNDALE, PETROLIA 40.368 -124.316 15 7.1 6.3 8
Significant Earthquake
Earthquake Effects Total Effects (Earthquake and Tsunami, Volcano, etc.)
Deaths Missing Injuries Damage Houses
Destroyed
Houses
Damaged
Deaths Missing Injuries Damage Houses
Destroyed
Houses
Damaged
Num De Num De Num De $Mill De Num De Num De Num De Num De Num De $Mill De Num De Num De
98 2 75.000 4 98 2 75.000 4


Comments for the Significant Earthquake

Comments for the Significant Earthquake

Display listing of nearby significant earthquakes

1992, April 25. Ninety-eight people injured and considerable damage in southwestern Humboldt County. Preliminary estimate of damage in this area from the series of earthquakes is 66 million U.S. dollars. Maximum intensities (VIII) at Ferndale, Honeydew, Petrolia, Rio Dell and Scotia; (VII) at Fortuna and Loleta; (VI) at Eureka. Landslides and rockfalls occurred in the Honeydew-Petrolia area. Liquefaction was noted in areas of the Eel and Mattole River Valleys. Felt throughout much of northern California as far south as San Francisco and southeast to Carson City and Reno, Nevada. Also felt in many areas of southern Oregon. Strong-motion records indicate peak horizontal accelerations of 1.3g at Cape Mendocino and 0.69g at Petrolia. A tsunami was generated with maximum wave heights (peak-to-trough) of 1.1 m. at Crescent City, 0.2 m. at Arena Cove and 0.17 m. at Pt. Reyes, California; 0.2 m. at Port Orford, Oregon; 0.15 m. at Kahului and 0.1 m. at Hilo, Hawaii. (reference #1053)

1992, April 25. $75 million damage, 94 people affected. (Reference #1250)


References for the Significant Earthquake

References for the Significant Earthquake

ID Author Year Citation
1053 National Earthquake Information Center (NEIC) 1971 to present Preliminary Determination of Epicenters (PDE), a weekly and monthly publication, National Earthquake Information Center, U.S. Geological Survey, Golden, Colorado, 1971 to present.
1250 Centre for Research on the Epidemiology of Disasters (CRED) and the U.S. Office of Foreign Disaster Assistance (OFDA) 2001 EM-DAT: The OFDA/CRED International Disaster Database, Universite Catholique de Louvain, Brussels, Belgium, link