Magnitude 7.6 – KERMADEC ISLANDS REGION
2011 July 06 19:03:16 UTC
This event has been reviewed by a seismologist.
Wednesday, July 06, 2011 at 19:03:16 UTC
Thursday, July 07, 2011 at 07:03:16 AM at epicenter
Time of Earthquake in other Time Zones
Location 29.312°S, 176.204°W
Depth 20 km (12.4 miles)
Region KERMADEC ISLANDS REGION
163 km (101 miles) E of Raoul Island, Kermadec Islands
347 km (215 miles) NE of L’Esperance Rock, Kermadec Islands
913 km (567 miles) S of NUKU`ALOFA, Tonga
1185 km (736 miles) NE of Auckland, New Zealand
horizontal +/- 14.1 km (8.8 miles); depth +/- 4.4 km (2.7 miles)
NST=620, Nph=625, Dmin=168.1 km, Rmss=1.02 sec, Gp= 18°,
M-type=teleseismic moment magnitude (Mw), Version=B
Source USGS NEIC (WDCS-D)
Event ID usc0004pbm
Looks to me like it’s on the intersection of the Pacific plate and the Australian plate, so just more evidence of the Pacific plate being actively subducted right now. Interesting set of aftershocks, too.
H/t to Interesting Connections in tips https://chiefio.wordpress.com/tips/#comment-20033 and R. de Haan in https://chiefio.wordpress.com/2011/07/04/why-does-the-sea-floor-move-in-strips/#comment-20030 where there are also some links to news reports.
Asia and Russia
Australia / New Zealand
This is a map of the Australia / Indonesia / New Zealand area:
And remember, I have a dedicated CSZ page with closeups
Action Closer to Me
As I live in California, it makes it easier for me if I keep them in the list where I can see what’s shaking near me.
Here is an alternative view of things with the fault lines highlighted:
Map of Plates
You can see it is where plates collide here:
Some Volcano Stuff
http://pangea.stanford.edu/~dsinnett/Pages/Links.html has a nice collection of links to volcano monitor pages. Just click the pictures for the different volcano observatories.
The Smithsonian page: