A M4.5 shock rattled Southern California last night. Reports of shaking reached San Diego. The epicenter lies just a few miles from that of the damaging 1987 Whittier Narrows M5.9 quake. Yesterday’s quake, like the 1987 quake, likely occurred on the Puente Hills thrust.
Latest posts by Temblor (see all)
- When Tokyo’s next big earthquake hits, could global markets crash? - March 20, 2026
- The Earthquake that Shook the South - February 26, 2026
- Introducing Coulomb 4.0: Enhanced stress interaction and deformation software for research and teaching - February 20, 2026

