Today’s M 4.2 quake likely struck on a ‘tear fault’ that connects portions of the 1971 San Fernando earthquake rupture. Today’s event is strike-slip, whereas the 1971 event was largely thrust. Is this a 50-year-old aftershock or an independent event? Probably the former.
- Hawaiʻi quake likely related to tectonic plate bending - October 19, 2021
- Opinion: Science communication on trial following White Island disaster - October 15, 2021
- Fluids and tiny minerals play a big role in subduction zones - October 12, 2021