South Pacific Quakes

A burst of earthquake activity has struck the South Pacific this morning.

Sunday 11th July 2010

Four earthquakes have struck the South Pacific area this morning, with events near Ndoi Island (Fiji), Tonga and the Kermadec Islands.

A magnitude 5.1 earthquake struck 485 km north-north-east of Raoul Island at 2:50 this morning New Zealand time. The quake was 35 km deep.

At 9:36 a.m. a magnitude 4.8 quake struck 110 km north-north-west of Hihifo, Tonga at a depth of 230 km.

A magnitude 5.1 event struck 145 km north-west of L’Esperance Rock in the Kermadec Islands at 11:04 this morning. The quake was 400 km deep.

At 11:18 a.m. a magnitude 4.6 quake struck 265 km south-south-east of Fiji’s Ndoi Island at a depth of 280 km.

Yesterday a magnitude 5.0 earthquake struck near San Cristobal in the Solomon Islands. Earlier in the week a magnitude 5.4 quake struck south of Ndoi Island on Friday morning, a magnitude 5.1 quake struck south-east of the Loyalty Islands on Wednesday morning and two magnitude 4.5 earthquakes struck near Tonga on Monday and Tuesday.

Earthquake activity has occurred in the Southern Ocean during the week, with five events along the southern boundary of the Australian Plate. A magnitude 5.0 quake struck 325 km south-south-west of Macquarie Island on Tuesday, followed by two quakes of magnitude 5.0 and 5.1 to the west of Macquarie on Wednesday. Two quakes struck the western Indian-Antarctic Ridge about 2000 km south of Perth, Australia on Tuesday and Friday.

[Compiled from data supplied by the U.S. Geological Survey and its contributing agencies.]

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