LOCALLY FELT EARTH TREMOR REPORT


 

(UPDATE) INITIAL ANALYSIS FROM THE HONG KONG OBSERVATORY
INDICATED THAT AN EARTHQUAKE OF MAGNITUDE 3.4 HAS OCCURRED
AT 3:02 P.M. ON 29 MARCH 2023 (WEDNESDAY) NEAR COAST OF
SOUTHEASTERN CHINA. THE EPICENTRE IS LOCATED NEAR 23.27N,
112.94E, ABOUT 37 KILOMETRES WEST-NORTHWEST OF GUANGZHOU.
THE FOCAL DEPTH IS ABOUT 8 KILOMETRES.
 
EPICENTRE LOCATION MAP :
HTTPS://WWW.HKO.GOV.HK/EN/GTS/EQUAKE/MAP.HTM 
 
THE OBSERVATORY RECEIVED OVER TEN LOCALLY FELT REPORTS OF
MINOR SHAKING, THE DURATION OF WHICH WAS A FEW SECONDS.
INITIAL ESTIMATE GAVE A LOCAL INTENSITY OF II (TWO) ON THE
MODIFIED MERCALLI INTENSITY SCALE, THAT IS FELT BY PERSONS
AT REST, UPPER FLOORS, OR FAVORABLY PLACED. 
 
FOR DETAILED EXPLANATIONS ON THE MODIFIED MERCALLI
INTENSITY SCALE, PLEASE REFER TO THE FOLLOWING WEB PAGE:
HTTPS://WWW.HKO.GOV.HK/EN/GTS/EQUAKE/MMS.HTM

DISPATCHED BY HONG KONG OBSERVATORY AT 15:18 HKT ON 29.03.2023