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through improved understanding of geohazards, their preconditions, causes and implications. In other cases, particularly in montane regions, natural processes can cause catalytic events of a complex nature, such as an avalanche hitting a lake and causing a debris flow, with consequences potentially hundreds of miles away, or creating a lahar by volcanism.
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Sometimes the hazard is instigated by the careless location of developments or construction in which the conditions were not taken into account. Human activities, such as drilling through overpressured zones, could result in significant risk, and as such mitigation and prevention are paramount,
402:
who are educated and trained in interpretation of landforms and earth process, earth-structure interaction, and in geologic hazard mitigation. The engineering geologist provides recommendations and designs to mitigate for geologic hazards. Trained hazard mitigation planners also assist local
877:
Tomás, Roberto; Pagán, JosĂ© Ignacio; Navarro, JosĂ© A.; Cano, Miguel; Pastor, JosĂ© Luis; Riquelme, Adrián; Cuevas-González, MarĂa; Crosetto, Michele; Barra, Anna; Monserrat, Oriol; Lopez-Sanchez, Juan M.; RamĂłn, Alfredo; Ivorra, Salvador; Del
Soldato, Matteo; Solari, Lorenzo (January 2019).
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in particular constitute a fast-growing sector of research as they involve seismic, tectonic, volcanic processes now occurring at higher frequency, and often resulting in coastal sub-marine avalanches or devastating
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are geological and environmental conditions and involve long-term or short-term geological processes. Geohazards can be relatively small features, but they can also attain huge dimensions (e.g., submarine or surface
801:
Solheim, A.; et al. "2005. Ormen Lange – An integrated study for the safe development of a deep-water gas field within the
Storegga Slide complex, NE Atlantic continental margin; executive summary".
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communities to identify strategies for mitigating the effects of such hazards and developing plans to implement these measures. Mitigation can include a variety of measures:
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Such impacts on vulnerable coastal populations, coastal infrastructures, offshore exploration platforms, obviously call for a higher level of preparedness and mitigation.
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Geologic hazards may be avoided by relocation. Publicly available databases, via searchable platforms, can help people evaluate hazards in locations of interest.
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880:"Semi-Automatic Identification and Pre-Screening of Geological–Geotechnical Deformational Processes Using Persistent Scatterer Interferometry Datasets"
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Mapping geohazards using conventional or remote sensing techniques can also help identify suitable areas for urban development.
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de Lange, G.; Sakellariou, D.; Briand, F. (2011). "Marine
Geohazards in the Mediterranean: an overview".
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Planning measures include regulations prohibiting development near hazard-prone areas and adoption of
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296:(settlement of the ground in areas underlain by loose saturated sand/silt during an earthquake event)
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Nadim (2006). "Challenges to geo-scientists in risk assessment for sub-marine slides".
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261:(avalanche-like muddy flow of soft/wet soil and sediment materials, narrow landslides)
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condition capable of causing widespread damage or loss of property and life. These
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events. The timing of six out of eleven known provinces coincide with periods of
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or rock itself may be improved by means such as dynamic compaction, injection of
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854:"Are environmental hazards threatening your home? This website will show you"
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165:) and affect local and regional socio-economics to a large extent (e.g.,
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P.B. Wignall (2001). "Large igneous provinces and mass extinctions".
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on Earth. Large igneous provinces have been connected to five
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episodes occurred in the past 250 million years, resulting in
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290:, rapid floods or heavy current creeks with irregular course)
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in some of the most densely populated areas of the world
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Geological state that may lead to widespread damage or risk
1085:
942:"Flood Basalt Volcanism During the Past 250 Million Years"
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255:(displacement of earth materials on a slope or hillside)
876:
731:"Marine geohazards exposed: Uncertainties involved"
60:. Unsourced material may be challenged and removed.
236:(chasms) associated with cambering of valley sides
1482:
542:emissions can force an important effect on the
1071:
452:Shorelines and streams are protected against
1051:Global Natural Catastrophe and Hazard Review
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398:Geologic hazards are typically evaluated by
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538:/dysoxia. Thus, suggesting that volcanic CO
222:(espec. in Mediterranean areas) leading to
213:and earthquake-triggered phenomena such as
1078:
1064:
1046:International Centre for Geohazards (ICG)
913:
903:
851:
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120:Learn how and when to remove this message
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566:2004 Indian Ocean earthquake and tsunami
131:
417:can be improved by the construction of
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14:
1483:
482:Additional mitigation methods include
1059:
781:
736:Marine Georesources and Geotechnology
729:Cardenas, I.C.; et al. (2022).
58:adding citations to reliable sources
29:
800:
690:International Centre for Geohazards
421:, which may use techniques such as
319:Gradual or slow phenomena include:
195:
24:
671:Physical impacts of climate change
606:EisstoĂź Feb.2006 Vienna, Austria (
576:2011 TĹŤhoku earthquake and tsunami
560:List of largest volcanic eruptions
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25:
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852:Toussaint, Kristin (2021-09-29).
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45:needs additional citations for
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477:mechanically stabilized earth
207:(snow or rock) and its runout
1440:Potentially hazardous object
966:10.1126/science.241.4866.663
805:Marine and Petroleum Geology
784:Norwegian Journal of Geology
494:systems, and other measures.
244:glacial lake outburst floods
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441:. Larger projects may use
415:stability of sloping earth
200:Sudden phenomena include:
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585:Garibaldi Provincial Park
394:Evaluation and mitigation
516:large volcanic provinces
643:1964 Niigata earthquake
593:a natural landslide dam
571:2008 Sichuan earthquake
340:development (volcanoes)
242:(EisstoĂź) on rivers or
695:March 2, 2008, at the
666:Earthquake engineering
400:engineering geologists
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997:Earth-Science Reviews
381:shoreline and stream
326:(e.g. at the exit of
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1042:at Wikimedia Commons
556:Lists of earthquakes
191:Speed of development
54:improve this article
1009:2001ESRv...53....1W
958:1988Sci...241..663R
896:2019RemS...11.1675T
622:Glacier just above
445:and other forms of
69:"Geological hazard"
1496:Physical geography
1491:Geological hazards
1091:list by death toll
1040:Geological hazards
938:Michael R. Rampino
905:10.3390/rs11141675
839:2010-04-30 at the
456:and erosion using
300:volcanic eruptions
229:geomagnetic storms
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1038:Media related to
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639:Soil liquefaction
475:or concrete, and
265:pyroclastic flows
177:Marine geohazards
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16:(Redirected from
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1387:Tropical cyclone
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550:Known hazards
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110:December 2009
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71: –
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65:Find sources:
59:
55:
49:
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43:This article
41:
37:
32:
31:
19:
1445:Impact event
1433:Astronomical
1367:Thunderstorm
1362:Bomb cyclone
1226:Hydrological
1195:Volcanic ash
1160:Seismic risk
1108:Mass wasting
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915:2158/1162779
890:(14): 1675.
887:
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861:. Retrieved
858:Fast Company
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812:(1–2): 1–9.
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583:(located in
512:flood basalt
509:
439:soil anchors
423:slurry walls
397:
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332:side valleys
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294:liquefaction
288:flash floods
282:debris flows
220:forest fires
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52:Please help
47:verification
44:
1460:Solar flare
1346:Megadrought
1306:Temperature
1279:Megatsunami
1258:Storm surge
1253:Flash flood
1131:Debris flow
641:during the
624:Grindelwald
581:The Barrier
534:and marine
518:, creating
274:rock slides
211:earthquakes
138:La Conchita
1485:Categories
1141:Earthquake
1099:Geological
863:2022-06-13
677:References
654:See also:
608:Donauinsel
554:See also:
458:revetments
435:soil nails
427:shear pins
363:subsidence
355:compaction
286:torrents (
205:avalanches
80:newspapers
1506:Disasters
1470:Hypernova
1465:Supernova
1413:Firestorm
1328:Heat wave
1323:Ice storm
1318:Cold wave
1121:Avalanche
1116:Landslide
924:2072-4292
769:249161443
378:migration
376:sand dune
371:sinkholes
353:see also
308:ash falls
270:rockfalls
253:landslide
163:landslide
150:geohazard
18:Geohazard
1420:ARkStorm
1408:Wildfire
1313:Blizzard
1213:Sinkhole
982:33327812
974:17839077
837:Archived
693:Archived
650:See also
591:Usoi Dam
492:subdrain
431:tiebacks
347:deposits
259:mudflows
246:below a
240:ice jams
215:tsunamis
182:tsunamis
167:tsunamis
154:geologic
1403:Derecho
1377:Tornado
1338:Drought
1274:Tsunami
1126:Mudflow
1005:Bibcode
954:Bibcode
946:Science
892:Bibcode
716:: 7–26.
488:tunnels
443:gabions
383:erosion
361:ground
338:caldera
328:canyons
248:glacier
158:hazards
94:scholar
980:
972:
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767:
536:anoxia
462:riprap
344:geyser
304:lahars
280:) and
140:, 1995
96:
89:
82:
75:
67:
1396:Other
1267:Other
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