• 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

Magnitude 7.8 RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA

2003 November 17 06:43:07 UTC

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

RAT ISLANDS, ALEUTIAN ISLANDS

03/11/17 06:43:07 UTC
Epicenter 51.36N 178.65E

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         7.4
 Radiated Energy:
  Es               3.3*10**15 Nm
  No. of sta: 12  Focal mech.  M

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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