Earthquake-dammed lakes in New Zealand

Adams, J. Rodger

doi:10.1130/0091-7613(1981)9<215:elinz>2.0.co;2

Cited by 161 publications

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“…As shown by Adams (1981) there are many more catchments susceptible to landslide damming than those identified by McCahon et al (2006a). The Waimakariri gorge east of the main divide is one such example.…”

Section: Landslide Damsmentioning

confidence: 53%

“…These catchments include the Poerua River where a landslide dam formed and failed in 1999 (see below) and the Callery gorge, which has also been identified by Davies and Scott (1997) as a potential location. Furthermore, these include the Maruia and Matakitaki rivers, where landslide dams previously formed in the 1929 Buller earthquake (Adams, 1981). The Buller river has also been shown by Adams (1981) to be regularly blocked by landsliding, and landslide dams formed here during the 1929 Buller and 1968 Inangahua earthquakes (Table 1).…”

Section: Landslide Damsmentioning

confidence: 99%

“…Nevertheless, of the comparable earthquakes in the list the majority are known to have caused landsliding to some degree, while liquefaction and surface rupture were other common impacts (Table 1). The Buller and Inangahua earthquakes are known to have generated significant landsliding which resulted in numerous landslide dams (Adams, 1981). Given that such impacts have occurred historically throughout the Southern Alps as a result of earthquakes, it is anticipated that an Alpine Fault earthquake will cause many, if not all of the geomorphic effects listed in Table 1.…”

Section: Historical Earthquakesmentioning

confidence: 99%

“…The Buller river has also been shown by Adams (1981) to be regularly blocked by landsliding, and landslide dams formed here during the 1929 Buller and 1968 Inangahua earthquakes (Table 1). Landslides during the Buller earthquake are also known to have blocked the Karamea and Mokihinui rivers (Adams, 1981).…”

Section: Landslide Damsmentioning

confidence: 99%

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Review Article: Potential geomorphic consequences of a future great (Mw = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Robinson

Davies

2013

Nat. Hazards Earth Syst. Sci.

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Abstract. The Alpine Fault in New Zealand's South Island has not sustained a large magnitude earthquake since ca. AD 1717. The time since this rupture is close to the average inferred recurrence interval of the fault (∼ 300 yr). The Alpine Fault is therefore expected to generate a large magnitude earthquake in the near future. Previous ruptures of this fault are inferred to have generated M w = 8.0 or greater earthquakes and to have resulted in, amongst other geomorphic hazards, large-scale landslides and landslide dams throughout the Southern Alps. There is currently 85 % probability that the Alpine Fault will cause a M w = 8.0+ earthquake within the next 100 yr. While the seismic hazard is fairly well understood, that of the consequential geomorphic activity is less well studied, and these consequences are explored herein. They are expected to include landsliding, landslide damming, dam-break flooding, debris flows, river aggradation, liquefaction, and landslidegenerated lake/fiord tsunami. Using evidence from previous events within New Zealand as well as analogous international examples, we develop first-order estimates of the likely magnitude and possible locations of the geomorphic effects associated with earthquakes. Landsliding is expected to affect an area > 30 000 km 2 and involve > 1 billion m 3 of material. Some tens of landslide dams are expected to occur in narrow, steep-sided gorges in the affected region. Debris flows will be generated in the first long-duration rainfall after the earthquake and will continue to occur for several years as rainfall (re)mobilises landslide material. In total more than 1000 debris flows are likely to be generated at some time after the earthquake. Aggradation of up to 3 m will cover an area > 125 km 2 and is likely to occur on many West Coast alluvial fans and floodplains. The impact of these effects will be felt across the entire South Island and is likely to continue for several decades.

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Section: Landslide Damsmentioning

confidence: 53%

Section: Landslide Damsmentioning

confidence: 99%

Section: Historical Earthquakesmentioning

confidence: 99%

Section: Landslide Damsmentioning

confidence: 99%

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Review Article: Potential geomorphic consequences of a future great (Mw = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Robinson

Davies

2013

Nat. Hazards Earth Syst. Sci.

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“…The pumice tephra on the hills surrounding the Rangitaiki Plains have a narrow range of strength properties and thus they present an ideal case study. Previous studies (Adams 1981;Wilson & Keefer 1985) have…”

Section: Discussionmentioning

confidence: 99%

Ground damage and seismic response resulting from the 1987 Edgecumbe earthquake, New Zealand

Franks

Beetham

Salt

1989

New Zealand Journal of Geology and Geophysics

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Pacific Rim Steeplands

Gómez

Page

2010

Sediment Cascades

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Earthquake-dammed lakes in New Zealand

Cited by 161 publications

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Review Article: Potential geomorphic consequences of a future great (<i>M</i><sub>w</sub> = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Review Article: Potential geomorphic consequences of a future great (<i>M</i><sub>w</sub> = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Ground damage and seismic response resulting from the 1987 Edgecumbe earthquake, New Zealand

Pacific Rim Steeplands

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Earthquake-dammed lakes in New Zealand

Cited by 161 publications

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Review Article: Potential geomorphic consequences of a future great (&lt;i&gt;M&lt;/i&gt;&lt;sub&gt;w&lt;/sub&gt; = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Review Article: Potential geomorphic consequences of a future great (&lt;i&gt;M&lt;/i&gt;&lt;sub&gt;w&lt;/sub&gt; = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Ground damage and seismic response resulting from the 1987 Edgecumbe earthquake, New Zealand

Pacific Rim Steeplands

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Review Article: Potential geomorphic consequences of a future great (<i>M</i><sub>w</sub> = 8.0+) Alpine Fault earthquake, South Island, New Zealand

Review Article: Potential geomorphic consequences of a future great (<i>M</i><sub>w</sub> = 8.0+) Alpine Fault earthquake, South Island, New Zealand