Editing Saaremaa (section)

=== Kaali Meteorite ===
{{Main|Kaali crater}}
[[File:Kaali main crater on 2005-08-10.3.jpg|thumb|The nearly circular main [[Kaali crater|Kaali meteorite crater]]]]

Kaali is a small group of nine unique [[meteorite]] [[impact crater|craters]] on Saaremaa. The largest of the craters measures {{convert|110|m|abbr=on}} in [[diameter]] and contains a small lake, known as ''Kaali järv'' ("Lake Kaali"). The meteor cluster had an impact velocity of {{convert|10|–|20|km/s|0|abbr=on}} and a mass of {{convert|20-80|t|sp=us}}. At the altitude of {{convert|5|–|10|km|0|abbr=on}} the meteor broke into pieces. The largest fragment produced the main crater with a depth of {{convert|22|m|abbr=on}}.

Eight smaller craters with diameters ranging from {{convert|12|to|40|m|abbr=on}} and depths varying from {{convert|1|to|4|m|ft|0|abbr=on}} are all within {{convert|1|km|sp=us}} of the main crater. The age estimates of the crater vary, with 4000 ± 1000 [[Common Era|BCE]] being a commonly accepted estimate,<ref>{{Cite Earth Impact DB | name = Kaalijärv | linkname = kaalijarv | access-date = 2008-12-30 | nocat = 1 }}</ref> though other estimates suggest the explosion was as recent as 660 ± 85 [[Common Era|BCE]].<ref name="MPS">{{cite journal|title=Ecological catastrophe in connection with the impact of the Kaali meteorite about 800–400 BC on the island of Saaremaa, Estonia
| first1=Siim|last1=Veski|first2=Atko|last2=Heinsalu|first3=Kalle|last3=Kirsimäe|first4=Anneli|last4=Poska|first5=Leili|last5=Saarse|journal=Meteoritics & Planetary Science|volume=36|issue=3|pages=1367–1375|year=2001|url=http://www.gi.ee/pdfid/10200.pdf|doi=10.1111/j.1945-5100.2001.tb01830.x|doi-access=free| bibcode=2001M&PS...36.1367V}}</ref> The energy of the impact—about 80 [[joule|TJ]] (20 kilotons of TNT), comparable with the [[Hiroshima bomb (unit)|Hiroshima bomb]]—burned forests within a radius of {{convert|6|km|abbr=on}} of the impact site. There are numerous legends related to the crater; these are summarized by [[Lennart Meri]] in his book ''Hõbevalge''.<ref name="MPS" />