Seismometer information details: Magnitude 4.3, off the coast of Costa Rica
Tuesday, September 18, 2012 09:10:24 UTC
Tuesday, September 18, 2012 03:10:24 AM at epicenter
Depth: 17.20 km (10.69 mi), Average earthquake depth.
Please leave a comment below explaining what happened or what it felt like when it occurred.
Read more about Date-Time, Location, Distances, Parameters at USGS.