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According to the USGS/NEIC on-line database in the first half of 2007 there are two earthquakes that belong to M8.0+ and M7.5+ |
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Date and Time |
Lat |
Lon |
Depth |
Magnitudes (mb, MS) |
Prediction |
|
|
2007/01/13 04:23:21 |
46.243 |
154.524 |
10 |
7.3 |
8.2 |
|
|
2007/04/01 20:39:56 |
-8.460 |
157.044 |
10 |
6.8 |
7.9 |
|
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According to the 2007a Update of the M8-MSc predictions dated Tuesday, January 09, 2007 :
*) No alarm was identified for the epicenter area of the January 13, 2007 earthquake.
**) The M8 alarms targeting either M8.0+ or M7.5+ events were confirmed, in part, by epicenters of the April 01, 2007 event and its aftershocks. The second approximation by the MSc algorithm has identified correctly the location of the April 01, 2007 earthquake, if this event belongs to M8.0+, and has missed it, if the event belongs to M7.5+.
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Seismic areas in alarm are shaded deep yellow and red: The deep yellow are from the circles of investigation, where the M8 algorithm gives an alarm and MSc does not, while the red ones are those, where both algorithms (M8 and MSc) indicate an alarm in the second approximation. Other seismic areas considered in the Global monitoring are shaded pale yellow 
