Английская Википедия:2013 Seddon earthquake
Шаблон:Short description Шаблон:For Шаблон:Use dmy dates Шаблон:Infobox earthquake
The 2013 Seddon earthquake measured 6.5 on the Шаблон:M scale and was centred in New Zealand's Cook Strait, around Шаблон:Convert east of the town of Seddon in Marlborough. The earthquake struck at 5:09:30 pm on Sunday 21 July 2013 (05:09 UTC) at a depth of Шаблон:Convert, according to Geonet.[1] The United States Geological Survey also measured the quake at 6.5, at a depth of Шаблон:Convert.[2] The quake caused moderate damage in the wider Marlborough area and Wellington, the nation's capital city Шаблон:Convert north of the epicentre. Only minor injuries were reported. Several aftershocks occurred during 21–29 July.
The Seddon earthquake is considered the first of an earthquake doublet,Шаблон:Citation needed with a second earthquake of similar magnitude occurring on 16 August 2013.
Earthquake
Foreshocks
The earthquake was preceded by a series of foreshocks, the largest of which had a magnitude of 5.7.
Below is a list of all foreshocks magnitudes 5.0 and above that occurred in the region between 19 July 2013 and 21 July 2013.
| Date (NZST) | Time (NZST) | Magnitude (MW) | Magnitude (Mb) | Magnitude (ML) | Epicentre | Depth |
|---|---|---|---|---|---|---|
| 19 July 2013 | 9:06:39 am | 5.5[3] | 5.7[3] | 5.7[4] | 30 km east of Seddon | 17 km |
| 21 July 2013 | 7:17:10 am | 5.9[5] | 5.8[5] | 5.8[6] | 30 km east of Seddon | 20 km |
Aftershocks
The earthquake generated a series of aftershocks, the largest of which had a magnitude of 5.4.
Below is a list of all aftershocks magnitudes 5.0 and above that occurred in the region between 21 July 2013 and 2 August 2013.
| Date (NZST) | Time (NZST) | Magnitude (MW) | Magnitude (Mb) | Magnitude (ML) | Epicentre | Depth |
|---|---|---|---|---|---|---|
| 21 July 2013 | 5:09:30 pm | 6.5[7] | 6.1[7] | 6.5[8] | 25 km east of Seddon | 13 km |
| 21 July 2013 | 5:13:50 pm | 5.3[9] | 5.2[10] | 30 km east of Seddon | 13 km | |
| 29 July 2013 | 1:07:14 am | 4.9[11] | 5.4[12] | 20 km east of Seddon | 12 km | |
| 2 August 2013 | 12:56:13 am | 4.7[13] | 5.2[14] | 20 km east of Seddon | 6 km |
Damage
The quake resulted in varying degrees of damage to thirty-five buildings within the Wellington CBD with glass from broken windows falling onto the main thoroughfares of Lambton Quay, Featherston Street, and Willis Street. Damage was also caused in Paraparaumu, Wainuiomata, Porirua and the Hutt Valley in the North Island.[15][16]
The Wellington Region emergency management office was activated on the evening of 21 July, as were those in the lower part of the North Island.[15] On 22 July parts of Wellington's central business district were closed to the public to allow for inspections to buildings with damaged and potentially dangerous façades.[17]
Four people were injured in the quake, which lasted for 20 seconds, blowing out windows, cracking concrete and swaying buildings.[18]
See also
- List of earthquakes in 2013
- List of earthquakes in New Zealand
- Marlborough Fault System
- 1848 Marlborough earthquake
- 2013 Lake Grassmere earthquake
- 2016 Kaikōura earthquake
References
External links
Шаблон:Earthquakes in 2013 Шаблон:Earthquakes in New Zealand Шаблон:Seismic faults of New Zealand
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 3,0 3,1 Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 5,0 5,1 Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 7,0 7,1 Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 15,0 15,1 Шаблон:Cite news
- ↑ Шаблон:Cite news
- ↑ Шаблон:Cite news
- ↑ Шаблон:Cite news
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