LOCALLY FELT EARTH TREMOR REPORT


 

(UPDATE) INITIAL ANALYSIS FROM THE HONG KONG OBSERVATORY
INDICATED THAT AN EARTHQUAKE OF MAGNITUDE 4.2 HAS OCCURRED
AT 2:40 P.M. ON 10 JANUARY 2025 (FRIDAY) OVER THE SEA SOUTH
OF SHANWEI, GUANGDONG. THE EPICENTRE IS LOCATED NEAR
21.30N, 115.72E, ABOUT 200 KILOMETRES SOUTHEAST OF THE HONG
KONG OBSERVATORY (ABOUT 200 KILOMETRES SOUTHEAST OF HONG
KONG). THE FOCAL DEPTH IS ABOUT 10 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 III (THREE) ON
THE MODIFIED MERCALLI INTENSITY SCALE, THAT IS FELT
INDOORS. VIBRATION LIKE PASSING OF LIGHT TRUCKS. 
 
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 15:15 HKT ON 10.01.2025