Archive for April, 2007

Educating School Students About Seismology

Monday, April 30th, 2007

Quake Trackers, an educational programme designed to promote science education and earthquake hazard awareness in New Zealand, was first started in 1998. However, the relatively expensive and complex equipment required led to limited participation by schools.

The programme is to be revitalised by using a simple, robust and reliable seismograph.


Hydro Lakes Now Lower Than Last Year

Saturday, April 28th, 2007

Total hydro-electric lake storage passed below last year’s levels during the week, dropping to 76% of average for the time of year on Friday 27th April, 2007.

New Zealand’s national storage stood at 2305.2 Gigawatt hours (GWh) on Friday, having steadily declined from 3037 GWh on March 19th. Storage has been below average since February 21st.

Inflows from catchments have often been below average since January, reflecting the dry conditions that persisted during the late summer. Above average lake inflows were recorded on only 3 days during February, 9 days during March and 1 day during the detailed reporting period to April 21st.

Full details for April are expected to be available by the end of next week.

[Compiled from data supplied by M-co.]

What’s a Portfolio Worker?

Friday, April 27th, 2007

A portfolio worker is someone who works for a range of clients in various roles. This breaks the tradition which has a technician working solely on technical work, a writer simply producing text, a software expert only hacking code or an accountant just working on budgets.

In many ways, most small business operators are portfolio workers ”“ carrying out a range of duties within their own businesses whilst providing professional services to their clients.


Earthquakes Near Vanuatu

Thursday, April 26th, 2007

A series of four moderate to strong earthquakes have struck at varying depths near Vanuatu since Sunday morning, New Zealand time. Three of the events have been located within 180 km of Luganville and all within 450 km of Port Vila.


ANZAC Day 2007

Wednesday, April 25th, 2007

The perversity of the weather usually makes an early start to get to a dawn parade on ANZAC Day an uncomfortable one. But this year’s Indian summer has changed that with dry weather in the North Island and the upper two thirds of the South Island encouraging good turnouts for the dawn commemorative services.


Is April 2007 Drier Than Normal?

Tuesday, April 24th, 2007

The continuing trend of mild days but with cooler nights poses the question ”“ Is this April drier than normal for Tawa?


Matata Earthquake

Monday, April 23rd, 2007

Some residents of the Bay of Plenty were jolted from their slumber by a 4th magnitude earthquake just before midnight, last night.


Strong Earthquake, Papua New Guinea

Saturday, April 21st, 2007

A strong, deep earthquake struck near the interface between the Pacific Plate and Bismarck Microplate near Papua New Guinea this evening, New Zealand time.


Southern Kermadec Quake

Saturday, April 21st, 2007

A moderately strong earthquake struck to the south of the Kermadec Islands this morning, New Zealand time. It follows a series of similar quakes along the west of the Pacific Plate during the past day.


Geonet’s New Website

Thursday, April 19th, 2007

Geonet has invited feedback on its new website. The completely revamped website went live on April 12th, and Geonet has now posted a news item asking for visitors’ feedback.


Pacific Earthquakes

Wednesday, April 18th, 2007

Yesterday’s earthquake south of the Kermadec Islands was the latest in a series of light to strong quakes both north and south of New Zealand during the past week.


Geological Summary for New Zealand Area, March 2007

Sunday, April 15th, 2007

Earthquake activity continued at a low level, apart from a swarm of quakes near Matata. White Island, Mt Ngauruhoe, and Mt Ruapehu remained at Alert Level 1.

Geonet, the USGS (NEIC) and IGNS reported 58 earthquakes in the New Zealand area between the Kermadec Islands in the north, and the Auckland Islands to the south during March 2007. The magnitude distributions were as follows:
M6 to 6.9 (none), M5 to 5.9 (4), M4 to 4.9 (12) M3 to 3.9 (32).
An additional 10 events in the magnitude 1 and 2 range were deemed worthy of mention.


Makeover at Geonet

Thursday, April 12th, 2007

A major makeover of the Geonet website went live late today. The completely changed website layout was originally scheduled for launch at the end of February, in order to bring together news on geological events with relevant background material of public interest.


Matata Quakes ”“ Are They Getting Shallower?

Wednesday, April 11th, 2007

Data published on the Geonet website for quakes associated with the Matata earthquake swarm indicate that the earthquakes have become shallower during the first week of April. However, this is not the case, according to seismologist Bryan Field.


Hydro Storage Remains Below Average

Tuesday, April 10th, 2007

New Zealand’s hydro lake storage remained below average during March 2007, due to a month of mainly below-average inflows.