1929 Arthur's Pass earthquake
Earthquake in New Zealand / From Wikipedia, the free encyclopedia
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The 1929 Arthur's Pass earthquake occurred at 10:50 pm NZMT on 9 March. The sparsely settled region around Arthur's Pass of the Southern Alps shook for four minutes.[1] Tremors continued almost continuously until midnight and sporadic strong aftershocks were felt for several days.
UTC time | 1929-03-09 10:50:32 |
---|---|
ISC event | 907935 |
USGS-ANSS | ComCat |
Local date | 9 March 1929 (1929-03-09) |
Local time | 22:50 NZST |
Magnitude | 7.1 ML |
Epicentre | 42.791°S 171.928°E / -42.791; 171.928 |
Type | Oblique-slip |
Areas affected | South Island New Zealand |
Max. intensity | MMI VIII (Severe) |
Casualties | None |
The earthquake was measured at 7.1 on the Richter magnitude scale and the intensity of shaking in the epicentral region has been assessed from historical records as VIII (Severe) on the Modified Mercalli Scale. Intensities of VI (Strong) were observed in Christchurch and Westport.[1] The earthquake occurred on the Poulter Fault, which was not identified and mapped until 2001.