Los Angeles residents were woken up this morning when an earthquake temblor occurred at 4:40 AM Pacific Coast time in Los Angeles. The trembler was centered near LAX centered at the cross streets, Prairie and Century boulevards, about 1 mile east-northeast of Lennox, California.
A 2.5 magnitude aftershock that was recorded only minutes later. There were no reports of any damage or injuries.
Earthquake
Title
M4.10 – 1.4 mi SE of Inglewood
Time
2021-04-05 11:44:01.920 (UTC)
Shake Alert Event ID
ew1617623043
Summary Report
Speed of Alert
Initial alert after origin time: 4.6 s
Final alert update after origin time: 10.9 s
Magnitude Accuracy
Initial Shake Alert: M4.00
Final Shake Alert: M4.00
ANSS report: 127 s after origin, M4.10
Alert Location from Reviewed Location
Initial alert: 1 km (0 mi) SW
Final alert: 2 km (1 mi) N
Number of Stations Reporting
8 within 10km of epicenter
157 within 100km of epicenter
67 used in final Shake Alert update
Performance for Nearby Cities
CityDistanceWarning TimemmiInglewood2 km (1 mi)~1.1 sIVLos Angeles15 km (9 mi)~2.4 sIIISanta Monica16 km (10 mi)~2.7 sIIPasadena29 km (18 mi)~5.3 sII
Source: https://earthquake.usgs.gov/earthquakes/eventpage/ci39838928/shake-alert
The M4.0 that just happened was under Lennox, CA, near Inglewood. Very deep at 20 km, so everyone is at least 20 km away. Would have been felt by most people awake in LA. Movement was thrust, probably not on any mapped fault
The M4.0 that just happened was under Lennox, CA, near Inglewood. Very deep at 20 km, so everyone is at least 20 km away. Would have been felt by most people awake in LA. Movement was thrust, probably not on any mapped fault https://t.co/UIPbVH0kw5
— Dr. Lucy Jones (@DrLucyJones) April 5, 2021
Photo Source- Google Maps
