New Zealand Local Weather Forum

Climate and Science => National Earthquakes => Topic started by: JennyLeez on February 22, 2013, 06:48:43 PM

Title: Several earthquakes strike near Wairoa 22/02
Post by: JennyLeez on February 22, 2013, 06:48:43 PM
There have been several earthquakes near Wairoa this evening.
The latest was at 5:45pm and registered 4.1 in magnitude.
It was located 35 kilometres south-east of Wairoa at a depth of 15 kilometres.
Two more struck only moments before - one a 3.7 shake and the other a 3.2.
Both of those were located south of Wairoa.
New Zealand Herald.

From 5.36pm to 6.24pm there has been 8 small quakes.

Geonet
Title: Re: Several earthquakes strike near Wairoa 22/02
Post by: JennyLeez on February 22, 2013, 10:50:27 PM
The second swarm started at 9.24pm and we have had 6 more quakes taking the total to 14 in 5 hours.
The last swarm are all small with the strongest 3.3 mag.
The lot has shifted slightly inland.

Added: 2nd Swarm consisted of 9 Quakes over 2 hours ending 11.29pm
Title: Re: Several earthquakes strike near Wairoa 22/02
Post by: Suezy on February 22, 2013, 11:08:08 PM
This is what I put on in the shout box
 8 all up - mainly in the bay aat abt 18 or 19 deep.  3.1S - 2.3 W - 3.5 S = 4.1 SE  (39.36  177.58) - 3.4  S - - 2.8 S - 2.7 S - 2.2 S  All mainly south.

Since then you are getting another swarm
9.24 2.0 S Wairoa - 9.31 2.1 SE Gisborne - 9.41 - 2.4 N Wairoa - 9.44 3.3 S Wairoa - 9.48 2.6 S Wairoa - 10.01 2.4 SW Wairoa - 10.02 2.6 NE Napier - 10.37 2.3 S Wairoa.
Stay safe Jenny and leave everything on the floor.
Title: Re: Several earthquakes strike near Wairoa 22/02
Post by: JennyLeez on February 23, 2013, 02:21:10 AM
3rd Swarm began at 12.46am and as at 2.50am the last one was at 2.13am.
This swarm consists of 10 Quakes.

Total Quakes over approximately 8.5 hours was 27 ranging from 1.8 mag to 4.2 mag.


Title: 4th Earthquake Swarm Hits South East of Wairoa 23 February 2013
Post by: JennyLeez on February 23, 2013, 10:21:41 AM
A 4th Swarm started with a 4.8mag at 7.21am this morning. From then to 9.37 there were 10 more smaller Quakes.

Total now over the last 16 hours is 38 quakes coming from 4 swarms.

Map attached of the last 2 swarms captured at 9.30am 23/02/2013

(http://nzpws.net/nzwn/images/wairoa_quakes.jpg)
Title: Re: Several earthquakes strike near Wairoa 22/02
Post by: ato2 on February 23, 2013, 12:16:50 PM
We have had our swarm, now it seems to be your turn....