Caltech Quake Bot

(Tweet 1/3) Ever notice that there are different types of EQ mag reported? You'll often see Ml (local mag) for local EQs <3.5, Mw (moment mag) for >3.5, and sometimes Mlr (local reduced) for a preliminary >3.5 mag, while we wait for an Mw to be calculated. scsn.org/index.php/educ…

#AutoEQ A magnitude 2.8 (MI) #earthquake has occurred 13 mi N of Searles Valley, CA at 11:15 PST Nov 04, 2026 [2026-11-04 19:15 UTC]. #SCSN has not yet confirmed this event. For more info visit earthquake.usgs.gov/earthquakes/ev…

#AutoEQ A magnitude 3.3 (MI) #earthquake has occurred 13 mi N of Searles Valley, CA at 10:59 PST Nov 04, 2026 [2026-11-04 18:59 UTC]. #SCSN has not yet confirmed this event. For more info visit earthquake.usgs.gov/earthquakes/ev…

Wed Nov 4 17:17:16 UTC 2026 When an earthquake hits SoCal, SCSN acts fast. We post preliminary info for all local M2.75+ events, often within minutes. Reviewed updates are available at SCEDC.caltech.edu and USGS.gov. @CaltechQuake • @CaltechSeismo

#AutoEQ A magnitude 2.8 (MI) #earthquake has occurred 4 mi NW of Pine Valley, CA at 02:05 PST Nov 04, 2026 [2026-11-04 10:05 UTC]. #SCSN has not yet confirmed this event. For more info visit earthquake.usgs.gov/earthquakes/ev…