A burst of earthquake activity which includes six events of magnitude 6 has been occurring in the Solomon Islands since midday New Zealand time on Thursday.
Sunday 3rd February, 2013
Six strong earthquakes have struck within 75 km of Lata in the Santa Cruz Islands area of the Solomons since Thursday. All of the quakes have been at depths between 7 and 22 km.
The sequence of events began with a magnitude 6.0 earthquake centred 74 km east-north-east of Lata at 12:04 on January 31st. The quake was 10 km deep. A magnitude 6.2 quake struck 60 km east of Lata at 4:34 p.m. New Zealand time the same afternoon. This event was 9.2 km deep.
At 6:37 p.m. on February 1st, a magnitude 6.0 quake struck 52 km south-west of Lata at a depth of 9.3 km.
Two strong events struck within minutes of each other on February 2nd. The first was a magnitude 6.3 quake centred 47 km west-south-west of Lata at 11:17 a.m. Two minutes later a magnitude 6.4 quake struck 67 km south-west of Lata. These events were deeper, at depths of 20 and 22 km respectively.
The sequence continued this morning, when a magnitude 6.0 earthquake struck 68 km west-south-west of Lata at 7:58. This quake was 7.5 km deep.
The Pacific Tsunami Warning Centre reported the double event of February 2nd as a single earthquake of magnitude 6.7 but a tsunami was not expected to result from the quake.
Twelve magnitude 5 earthquakes have been reported at depths between 10 and 50 kilometres near Lata since the sequence began on Thursday.
[ Compiled from data supplied by the U.S. Geological Survey and its contributing agencies. ]