You are watching news announcer in studio, 0:33 to 0:49 of the video (0:16).
SoCal "Whittier Narrows" Earthquakes (1987)
Via nh6central on YouTube. Intensity Lab does not own this footage. Request removal
Earthquake M5.9 The 1987 Whittier Narrows, California Earthquake, 1987-10-01
Camera Los Ángeles, CA (indoors, ground floor)
USGS event page