• Latest Earthquakes
• - USA
• - World
• - EQ Notification Service
• - Feeds & Data
• - Animations
• Recent Earthquakes
• Historic Earthquakes
• - "Top 10" Lists & Maps
• - Significant EQs
• - Earthquake Search
• - EQ Summary Posters
• - Scientific Data
• About EQ Maps
• Did You Feel It?
• Energy & Broadband Solutions
• Fast Moment Tensors
• Media Info
• PAGER
• Seismogram Displays
• ShakeMaps

IZU ISLANDS, JAPAN REGION

09/08/12 22:48:56 UTC
Epicenter 32.76N 140.37E

  Me   6.2
Broadband Source Parameters:
 BROADBAND DEPTH:        53.0 km
 RADIATED ENERGY
  No. of sta: 10  Focal mech.  F
  Energy       3.8+1.0*10**13 Nm
 COMMENT:  Depth from synthetics
  of broadband displacement
  seismograms.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

For more information, contact George Choy, choy@usgs.gov

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver