PRESS WEATHER NO. 105 - LOCALLY FELT EARTH TREMOR REPORT

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LOCALLY FELT EARTH TREMOR REPORT

 

(UPDATE) INITIAL ANALYSIS FROM THE HONG KONG OBSERVATORY
INDICATED THAT AN EARTHQUAKE OF MAGNITUDE 5.3 HAS OCCURRED
AT 1:04 P.M. ON 22 APRIL 2023 (SATURDAY) IN TAIWAN REGION.
THE EPICENTRE IS LOCATED NEAR 22.60N, 118.50E, ABOUT 190
KILOMETRES WEST OF GAOXIONG (ABOUT 450 KILOMETRES EAST 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
THIS EARTH TREMOR, 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 13:32 HKT ON 22.04.2023