Hi Shan,

I ran some warning signal data through my own computer programs. And the two earthquakes which most closely matched your data were the following ones. At the moment I expect that if earthquakes did occur near either of those locations they would be harmless.

2002/06/14 02:11:36 7.58N 123.99E 33.0 5.4 A MINDANAO, PHILIPPINES
2002/01/27 22:33:42.8 33.117 75.897 33 4.9 EASTERN KASHMIR
(NEIS data)