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Lake Lappajärvi

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Location
  
Lappajärvi, Finland

Primary outflows
  
Ähtävänjoki

Max. depth
  
36 m (118 ft)

Surface elevation
  
70 m

Cities
  
Basin countries
  
Finland

Area
  
145.5 km²

Primary outflow
  
Esse River

Lake Lappajärvi httpsuploadwikimediaorgwikipediacommonsthu

Surface area
  
145.49 km (56.17 sq mi)

Lake lappaj rvi in finland 25 12 2014 4k video


Lappajärvi is a lake in Finland, in the municipalities of Lappajärvi, Alajärvi and Vimpeli. It is formed in a 23 km (14 mi) wide, partly eroded meteorite impact crater. The lake is part of Ähtävänjoki (Swedish: Esse å) basin together with Lake Evijärvi that is located downstream (north) of it.

Contents

Map of Lake Lappaj%C3%A4rvi, Finland

The Lappajärvi impact structure is estimated to be 76.20 ± 0.29 million years old (Campanian stage of the Late Cretaceous time period). Experts woking on Finland's Olkiluoto nuclear waste repository project have studied Lake Lappajärvi to help them project how Finnish landscapes might look one million years in the future and beyond.

An island in the middle of the lake, Kärnänsaari (Kärnä Island), gives the name to the black impact melt rock (impactite) found there, locally called kärnäite.

The towns on the shore are Lappajärvi and Vimpeli. Although not very near any, the nearest major city is Seinäjoki.

References

Lake Lappajärvi Wikipedia


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