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quaternary faults

Exploring earthquake fault lines in Google Earth

July 16, 2014

We’ve talked about Earthquakes quite a lot over the years, as Google Earth is a great tool for visualizing those types of events. However, we’ve not shown very much related to the actual fault lines themselves.

Ervin Malicdem at S1 Expeditions recently took a look at the West and East Valley Fault System in the southern Philippines. The fault line is growing in interest for a simple reason that Ervin explains:

The last known activity along this fault line was the year 1658 and is estimated to be active every 300 years plus or minus 100 years. As of the time of this writing, it has been 356 years ago and is well within the potential period of its movement.

He has created an excellent overlay that shows the fault line in comparison to infrastructure along the path of it.

Philippine fault lines

You can read more on this blog entry or download this KML file to view it in Google Earth.

The USGS also has some solid fault line maps that you can use in Google Earth. If you visit their Quaternary Faults in Google Earth page, you’ll find a variety of KML files that you can download and explore in Google Earth.

USGS fault lines

Filed Under: Environment, Science Tagged With: earthquake, ervin malicdem, fault lines, quaternary faults, s1 expeditions, usgs



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