Jan 14 2009 - December roundup

Last month's progress and news within the GeoNet project.

Operations
The North Cape instrument cabinet adjoining the lighthouse.

The North Cape instrument cabinet adjoining the lighthouse.

  • The National Seismograph Network sites at Wellington (WEL) and Tahuroa Road (TOZ), near Morrinsville, were upgraded.
  • The installation of the tsunami gauge equipment at North Cape (NCPT) was completed.

Earthquakes

  • The most significant earthquake of the month occurred on December 18, magnitude 4.9, 10 km north of Hanmer Springs, 5 km deep. It was felt from Karamea to Christchurch, with a maximum intensity of MM 6 (minor damage) in Hanmer Springs.
  • The preliminary locations of November's earthquakes are shown below.

Reported Landslides

Tuesday December 2

  • A minor slip occurred from a cut batter on the West Coast Road near Oratia, in Waitakere City. The road was not affected although debris required removal from the shoulder.

Saturday December 6

  • A woman was killed when a boulder rolled on her on the Aratipuna trail near Ruatoria on the East Cape.

Saturday December 27

  • SH 6 between Queenstown and Frankton was closed briefly when a slip blocked both lanes for 50 metres. The slip was attributed to a leaking penstock associated with the closed Wye Creek Power Station.
Felt earthquakes of November 2008.

Felt earthquakes of
November 2008.

Shallow earthquakes of November 2008.

Shallow earthquakes of
November 2008.

Deep earthquakes of November 2008.

Deep earthquakes of
November 2008.