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2006 Kiholo Bay earthquake: Difference between revisions

Coordinates: 19°52′37″N 155°56′06″W / 19.877°N 155.935°W / 19.877; -155.935
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| float = right
| float = right
| caption = }}
| caption = }}
| magnitude = 6.7 {{M|w|link=y}}<ref name=usgs>{{Cite web | url = https://earthquake.usgs.gov/earthquakes/eventpage/usp000ev94#executive | publisher = USGS | title = M 6.7 - Hawaii region, Hawaii | accessdate = 13 October 2020}}</ref>
| magnitude = 6.7 {{M|w|link=y}} <ref name=ISC-GEM/>
| intensity = [[Mercalli intensity scale|VIII (''Severe'')]]
| intensity = [[Mercalli intensity scale|VIII (''Severe'')]]
| tsunami = Yes
| tsunami = Yes
| aftershocks = 6.1 {{M|w|link=y}} Oct 15 at 17:14 UTC <ref name=ISC-GEM/>
| aftershocks = 6.1 {{M|w|link=y}} Oct 15 at 17:14 UTC<ref name=usgs/>
| depth = {{convert|29|km|mi|0|sp=us}} <ref name=ISC-GEM/>
| depth = {{convert|38.2|km|mi|0|sp=us}}<ref name=usgs/>
| type = [[Fault (geology)#Dip-slip faults|Oblique-normal]] <ref name=PAGER-CAT/>
| type = [[Fault (geology)#Dip-slip faults|Oblique-normal]] <ref name=PAGER-CAT/>
| location = {{Coord|19.89|N|156.07|W|display=inline,title}} <ref name=ISC-GEM/>
| location = {{Coord|19.877|N|155.935|W|display=inline,title}}<ref name=usgs/>
| countries affected = [[Hawaii]], [[United States]]
| countries affected = [[Hawaii]], [[United States]]
| casualties = None <ref name="CNN1"/>
| casualties = None<ref name="CNN1"/>
}}
}}


The '''2006 Kīholo Bay earthquake''' occurred on October 15 at {{tooltip|07:07:49 local time|17:07:49 (UTC)}} with a [[moment magnitude scale|moment magnitude]] of 6.7 and a maximum [[Mercalli intensity scale|Mercalli intensity]] of VIII (''Severe''). The shock was centered {{convert|21|km|sp=us}} southwest of [[Puakō, Hawai'i|Puakō]] and {{convert|21|km|abbr=on}} north of [[Kailua-Kona]], [[Hawaii (island)|Hawai{{okina}}i]], just offshore of the [[Kona Airport]], at a depth of {{convert|29|km|mi|abbr=on}}. It produced several [[aftershock]]s, including one that measured a magnitude of 6.1 seven minutes after the main shock. The [[Pacific Tsunami Warning Center]] measured a small, nondestructive [[tsunami]] of {{convert|4|in|abbr=on}} on the coast of the Big Island.<ref name="mauinews">{{Cite news|url=http://www.mauiweekly.com/localnews/story2796.aspx|title=Strong Quake Rocks Hawaii|last=|first=|date=2006-10-19|work=Local News|accessdate=2007-10-05|url-status=dead|archiveurl=https://web.archive.org/web/20070928175711/http://www.mauiweekly.com/localnews/story2796.aspx|archivedate=28 September 2007 <!--DASHBot-->|publisher=Maui Weekly}}</ref>
The '''2006 Kīholo Bay earthquake''' occurred on October 15 at {{tooltip|07:07:49 local time|17:07:49 (UTC)}} with a [[moment magnitude scale|moment magnitude]] of 6.7 and a maximum [[Mercalli intensity scale|Mercalli intensity]] of VIII (''Severe''). The shock was centered {{convert|21|km|sp=us}} southwest of [[Puakō, Hawai'i|Puakō]] and {{convert|21|km|abbr=on}} north of [[Kailua-Kona]], [[Hawaii (island)|Hawai{{okina}}i]], just offshore of the [[Kona Airport]], at a depth of {{convert|38.2|km|mi|abbr=on}}. It produced several [[aftershock]]s, including one that measured a magnitude of 6.1 seven minutes after the main shock. The [[Pacific Tsunami Warning Center]] measured a small, nondestructive [[tsunami]] of {{convert|4|in|abbr=on}} on the coast of the Big Island.<ref name="mauinews">{{Cite news|url=http://www.mauiweekly.com/localnews/story2796.aspx|title=Strong Quake Rocks Hawaii|last=|first=|date=2006-10-19|work=Local News|accessdate=2007-10-05|url-status=dead|archiveurl=https://web.archive.org/web/20070928175711/http://www.mauiweekly.com/localnews/story2796.aspx|archivedate=28 September 2007 <!--DASHBot-->|publisher=Maui Weekly}}</ref>


==Earthquake==
==Earthquake==

Revision as of 08:05, 13 October 2020

2006 Kīholo Bay earthquake
2006 Kiholo Bay earthquake is located in Hawaii
Hilo
Hilo
Honolulu
Honolulu
2006 Kiholo Bay earthquake
UTC time2006-10-15 17:07:49
ISC event11122134
USGS-ANSSComCat
Local dateOctober 15, 2006 (2006-10-15)
Local time07:07:49 Hawaii Standard Time
Magnitude6.7 Mw[1]
Depth38.2 kilometers (24 mi)[1]
Epicenter19°52′37″N 155°56′06″W / 19.877°N 155.935°W / 19.877; -155.935[1]
TypeOblique-normal [2]
Areas affectedHawaii, United States
Max. intensityVIII (Severe)
TsunamiYes
Aftershocks6.1 Mw Oct 15 at 17:14 UTC[1]
CasualtiesNone[3]

The 2006 Kīholo Bay earthquake occurred on October 15 at 07:07:49 local time with a moment magnitude of 6.7 and a maximum Mercalli intensity of VIII (Severe). The shock was centered 21 kilometers (13 mi) southwest of Puakō and 21 km (13 mi) north of Kailua-Kona, Hawaiʻi, just offshore of the Kona Airport, at a depth of 38.2 km (23.7 mi). It produced several aftershocks, including one that measured a magnitude of 6.1 seven minutes after the main shock. The Pacific Tsunami Warning Center measured a small, nondestructive tsunami of 4 in (100 mm) on the coast of the Big Island.[4]

Earthquake

Modified Mercalli Intensities were VII–VIII (Very strong–Severe) on the western side of the island of Hawaii, and VI (Strong) on the eastern side of Maui. Intensity V (Moderate) shaking was felt all the way to Oʻahu, where patches of moderate damage were reported.[5] The earthquake caused property damage, injuries, landslides, power outages, and airport delays and closures.[4] Governor Linda Lingle issued a disaster declaration for the entire state.[6][7]

Damage

USGS ShakeMap for the event

The most severe damage caused by the earthquake was focused on the north and western sides of the island of Hawaii. Damage was also quite heavy on the eastern side of Maui, and minor damage spread all the way out to western Oʻahu, 170 miles (270 km) away from the earthquake's epicenter. On the Big Island, many houses had large cracks and broken windows, and at least 61 buildings were destroyed and red-tagged by officials. Almost all houses in west Hawaii reported extensive internal damage but most avoided significant structural damage, the reason being that most of the buildings in the area around the epicenter of the earthquake have been built in the last few decades and are well constructed. Even so, over $200 million in damage occurred.[8]

The largest and most luxurious hotels on the Island of Hawaii also happened to be clustered within ten miles (16 km) of the earthquake's epicenter along the Kohala coast. The 1965 Mauna Kea Beach Hotel had its entire south end collapse, and the hotel's top floor was considered "destroyed." The hotel closed December 1 after a month-long inspection revealed that the building was unsafe and in danger of collapse. After a $150 million renovation, the hotel had a soft reopening on December 20, 2008, and officially reopened in March 2009.[9] The Hapuna Beach Prince Hotel was temporarily evacuated after the earthquake due to structural damage, broken glass and flooding caused by broken water pipes. The Surety Kohala Corporation assessed the structural integrity to their Kohala Ditch, which functioned as a tourist attraction for 10 years.

Many roads and bridges collapsed or had deep cracks, and clean-up crews had to work for days to remove debris from the countless landslides. Many landmarks on the island were greatly affected. The Kalahikiola Congregational Church in Kohala was destroyed due to the collapse of the church's stone walls; the Hawi smoke stack, a relic of the old sugarcane trade, completely collapsed as well. The Hulihee Palace in Kailua Kona suffered extensive structural damage.[10] Another popular tourist area, Kealakekua Bay, home of the white monument to Captain James Cook, was swept over by massive landslides that caused the entire bay and its surrounding areas to momentarily disappear in a thick cloud of brown dust.[11]

Cliff falling in Waipio Valley during the earthquake

Mauna Kea Observatory

During the earthquake and aftershocks, a number of the telescopes at the Mauna Kea Observatories sustained minor damage, primarily Kecks 1 and 2 at the W. M. Keck Observatory, and the Canada–France–Hawaii Telescope (CFHT).[12] The CFHT was operational and back online as of October 19,[13] but the Kecks were not restored to full operation until February 28, 2007.[14]

Blackouts

Power plants on Maui and the Big Island automatically shut off power to prevent damage, and generators tripped on Oahu, causing overloads in the electrical grid.[15] The Oahu power outages lasted 14 hours in some locations; only half of Hawaiian Electric Company's (HECO) Oahu customers had power restored before 9 pm, while outages generally lasted to about 5 pm on Maui and Hawaii. Power was restored to all HECO circuits by 1:55 am; however, there were isolated blackouts due to local problems, such as blown fuses. Power in Laie and Kahuku was not restored until 3 am. In Honolulu and Kahe, HECO generators shut down, and other generators tried to compensate, resulting in uneven loads on Oahu's electrical network and causing the system to shut down to prevent damage.[16]

Images

  • Keokea Beach Park pavilion
    Keokea Beach Park pavilion
  • Hulihee Palace South wall, January 2007
    Hulihee Palace South wall, January 2007
  • Earthquake damage at the Hulihee Palace in January 2007
    Earthquake damage at the Hulihee Palace in January 2007

See also

Wikimedia Commons has media related to 2006 Hawaii earthquake.

References

  1. ^ a b c d "M 6.7 - Hawaii region, Hawaii". USGS. Retrieved 13 October 2020.
  2. ^ USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  3. ^ "Hawaiian: 'We were rocking and rolling'". CNN. 2006-10-15. Archived from the original on February 20, 2007. Retrieved 2007-10-05.
  4. ^ a b "Strong Quake Rocks Hawaii". Local News. Maui Weekly. 2006-10-19. Archived from the original on 28 September 2007. Retrieved 2007-10-05.
  5. ^ "USGS Community Internet Intensity Maps". USGS. 2007-10-15. Archived from the original on 2007-10-05. Retrieved 2007-10-05.
  6. ^ "Disaster declared as quake hits Hawaii". China Daily. Associated Press. 2006-10-16. Archived from the original on 2013-01-26. Retrieved 2013-01-26.
  7. ^ "Hawaiian historic site damaged, but blessed". Hawaii travel. Associated Press. 2006-10-24. Retrieved 2007-10-05.
  8. ^ "Hawaii County Cuts Red Tape for Big Island Repairs". Associated Press. 2006-10-27. Retrieved 2007-10-05.
  9. ^ Paiva, Derek (2008-11-17). "Mauna Kea Beach Hotel announces new reopening date". Hawaii Magazine. Retrieved 2019-02-25.
  10. ^ Hawaiian Historic Site Damaged..., Associated Press, accessed November 3, 2006
  11. ^ Continuing Landslides lead to closures and Kealakekua Bay, Associated Press, accessed November 3, 2006
  12. ^ McAvoy, Audrey (October 19, 2006). "Hawaii quake damages special telescopes". The Washington Post.
  13. ^ "15 October 2006 Earthquake Aftermath at CFHT". University of Hawai'i. 2007-01-11. Retrieved 2007-10-05.
  14. ^ "Earthquake Update from W. M. Keck Observatory". W. M. Keck Observatory. 2007-02-28. Archived from the original on September 27, 2007. Retrieved 2007-10-05.
  15. ^ Reyes, B.J. (2006-10-16). "Outages hit Oahu hardest". Honolulu Star-Bulletin. Archived from the original on 14 November 2007. Retrieved 2007-10-05.
  16. ^ Reyes, B.J. (2006-10-17). "Outage stirs anger". Honolulu Star-Bulletin. Retrieved 2007-10-05.
Cite error: A list-defined reference named "ISC-GEM" is not used in the content (see the help page).

Sources

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