Английская Википедия:1966 Toro earthquake

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Шаблон:Short description Шаблон:Infobox earthquake

The 1966 Toro earthquake, or the 1966 Ruwenzori earthquake, occurred on March 20 at 01:42 UTC (04:42 Uganda local time).[1] The earthquake was located near the border between Uganda and the Democratic Republic of the Congo (DRC), to the south of Lake Albert. Some sources put the epicenter in Uganda while some put it in the Democratic Republic of the Congo.[2]Шаблон:Rp The earthquake had a magnitude of Шаблон:M 6.8[3]Шаблон:Rp and a maximum perceived intensity of VIII (Severe) on the Mercalli intensity scale.[2]Шаблон:Rp

Tectonic setting

The earthquake occurred in the Mt Rwenzori region, which lies within the Western Rift Valley of the East Africa Rift System, between Lake Edward and Lake Albert. The Mt. Ruwenzori region is the most seismically active region in Uganda and also one of the most seismically active zones in the East Africa Rift System and is bounded by steep active normal faults.[4][5] The calculated focal mechanism for the earthquake was normal faulting in type,[6] although the focal mechanisms of three of the aftershocks were dominantly strike-slip in type.[7]

Damage

Extensive damage was reported in both Uganda and the DRC. The earthquake caused 157 deaths: 104 in Uganda, one in Tanzania and 52 in the DRC. Buildings collapsed in both Uganda and the DRC.[2]Шаблон:Rp In Bundibugyo, the Court Hall was damaged.[2]Шаблон:Rp Cracks and fissures were observed on the ground. This earthquake could be felt in Uganda, the Democratic Republic of the Congo, Rwanda, Burundi, Tanzania, and Kenya.[2]Шаблон:Rp Landslides triggered by the earthquake blocked roads, impeding relief efforts.[8]

According to press reports, a strong aftershock on May 18, 1966, caused 90 deaths in the DRC. This aftershock caused damage to buildings in both Uganda and the DRC.[2]Шаблон:Rp

Earthquake

The earthquake was associated with Шаблон:Convert of surface faulting showing a downthrow of about Шаблон:Convert to the southeast, consistent with one of the two possible fault planes from the focal mechanism.[6]

The earthquake was preceded by numerous foreshocks on March 18 and 19, 1966, and was followed by many aftershocks during the next two months, nine of them with a magnitude of 5.0 or greater.[2]Шаблон:Rp

The energy release of the main shock was about 2×1017 Nm. The energy release associated with aftershocks after April 18 was also significant. The sum of energy release of the aftershocks up to 45 days after the main shock was also about 2×1017 Nm, i.e. roughly equal to that of the main shock.[2]Шаблон:Rp

See also

References

Шаблон:Reflist

External links

Шаблон:Earthquakes in 1966 Шаблон:Earthquakes in Africa

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  1. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Engdahl не указан текст
  2. ↑ 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 Шаблон:Cite web
  3. ↑ Шаблон:Cite webШаблон:Quote
  4. ↑ "The seismicity and tectonics of Uganda" by N. Maasha
  5. ↑ Шаблон:Cite journal
  6. ↑ 6,0 6,1 Шаблон:Cite journal
  7. ↑ Шаблон:Cite journalШаблон:Quote
  8. ↑ Шаблон:Cite web
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