The USGS PAGER system (Prompt Assessment of Global Earthquakes for Response) provides fatality and economic loss impact estimates following significant earthquakes worldwide.
There have been 6 quakes this week over 6.0 magnitude
M6.1 - Southwest Indian Ridge
M6.5 - 29km SSE of Blenheim, New Zealand
M6.6 - 98km WSW of Mutis, Colombia
M6.1 - 90km WSW of Paita, Peru
M6.0 - 112km NW of L'Esperance Rock, New Zealand
M6.0 - 189km WNW of Saumlaki, Indonesia
M4.9 - 9km SSW of Volcano, Hawaii
This week there have been 258 quakes over 2.5 magnitude worldwide (as of 8:30AM Sunday 8/18). The number of quakes per year are calculated by USGS and averaged out as the following:
footnotes 1 & 2 = Based on observations since 1900.The number of 8.0+ quakes so far in 2013 have been 2.
The number of 7.0+ quakes so far in 2013 have been 10.
The number of 6.0+ quakes so far in 2013 have been 78.
The number of 5.0+ quakes so far in 2013 have been 911.
