add($interval); $endyr = date("Y",strtotime($lastdate)); $endm = date("m",strtotime($lastdate)); $endd = date("d",strtotime($lastdate)); $start = mktime(0,0,0,$endm,$endd-1,$endyr); $startdate=date("Y/m/d",$start); $startyr = date("Y",$start); $startm = date("m",$start); $startd = date("d",$start); pg_close($dbh); ?> Collected readings search

Collected readings

Search stations for readings collected and stored in the ISC database. This includes readings not associated to events (hence not within the ISC Bulletin). N.B. searching arrival readings by time may be slow.

The search is limited to a maximum of 20 stations and a time period of up to 1 year.

To search for arrivals associated to events within the ISC Bulletin, please use the ISC Bulletin arrivals search.