How to convert from UTC time to Local Time?
Seismologists use UTC time which stands for Universal Time Coordinates. That avoids confusion in describing what time an earthquake occurred. Use the table below to convert to your local time. So, if an earthquake occurred at 14:30 hours UTC and you live in the Pacific Time Zone and it is summertime (Daylight savings time) you will subtract 7 hours to get 7:30 local time. Remember that we also use the 24 hour clock. For example, 2:00 in the afternoon is is 12 + 2 or 14:00 on a 24 hour clock. Local Time Subtract from UTC: Standard Time Daylight Time Atlantic Four hours Three hours Eastern Five hours Four hours Central Six hours Five hours Mountain Seven hours Six hours Pacific Eight hours Seven hours Alaskan Nine hours Eight hours Hawaiian Ten hours How do I read the Webicorder? On the left side of the Webicorder plot you see the hour marks in Universal Time Coordinates (UTC). Usually we display 24 hours of data on the webcorde and there are 24 lines. You “read” the seismogram like a bo