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Magnitude 5.1 Earthquake in Oklahoma
USGS is providing up-to-date information.
A map showing the epicenter of the earthquake

USGS map of the magnitude 5.1 earthquake in Oklahoma.

A magnitude 5.1 earthquake struck in Oklahoma on February 13, 2016 at 11:07:06 am local time.

Visit the USGS event page for more details on this earthquake.

Without knowing more specifics about the wastewater injection and oil and gas production in this area, the USGS cannot conclude whether or not this particular earthquake was caused by industrial-related, human activities. However, we do know that many earthquakes in the area have been triggered by wastewater fluid injection.

This is the largest earthquake in Oklahoma since the magnitude 5.6 earthquake in 2011.

There has been an active sequence of events in this area over the last few months, with several earthquakes in the magnitude 3-4 range. The previous largest earthquake in this sequence was a magnitude 4.8 in January 2016.

For estimates of casualties and damage, visit the USGS Prompt Assessment of Global Earthquakes for Response (PAGER) website.

If you felt this earthquake, report your experience on the “USGS Did You Feel It?” website for this event.

The USGS operates a 24/7 National Earthquake Information Center in Colorado that can be reached for more information at (303) 273-8500.

Learn more about the USGS Earthquake Hazards Program.

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