https://baytremor.com/earthquake/nc75348077 Bay Tremor en 2026-04-19T20:27:46.510Z earthquake, Bay Area earthquake, California earthquake, 5 km WSW of Ridgemark, CA, M1.4 earthquake, seismic activity, earthquake today California, USA 2026-04-19T20:27:46.510Z hourly 0.9