Recent Quakes

Tongan Earthquake

NZ Standard Time:  Thursday, May 04 2006 at 3:26 am

Latitude, Longitude:  19.92°S, 174.34°W Focal Depth:  38 km Richter Magnitude:  7.9 170 km north-east

of Nuku'alofa, Tonga

Felt Auckland (and possibly elsewhere in NZ)

Seismograph Data

Near Whangarei

Seismograph Data

Inland from Oamaru

• Last 10 years of deep >40km earthquakes

• Last 10 years of shallow <40km earthquakes

• 10 years of shallow <40km earthquakes (1990-1999 & sizes)

NZ earthquakes Mar 22 2006 – May 4 2006

Tonga quake prompts NZ tsunami warning 04 May 2006 A tsunami warning was issued for New Zealand and Fiji this

morning following an earthquake near Tonga.

The warning has now been cancelled. The quake, measuring 7.9 on the Richter Scale, hit 170km north-east

of Tonga at 3.26 am (NZT), at a depth of 38km, GNS said. The tsunami warning was issued by the Pacific Tsunami Warning

Centre at 3.42am.

They said it was not known if the quake actually generated a tsunami. If it did it may have hit Fiji at 5.13am and Gisborne, on the east coast of

the North Island at 6.21am.