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Krýsuvík

Krýsuvík is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Krýsuvík rather than just read about it. In short: Krýsuvík (also Krísuvík, both pronounced [ˈkʰriːsʏˌviːk] in Icelandic) is an area in Southwest Iceland at about 35 km from Reykjavík. Geography and access It is situated on the Reykjanes peninsula between Þorlákshöfn and Grindavík and accessed by Routes 42 and 427.

Krýsuvík — main illustration
Krýsuvík — illustration

Key takeaways

  • Krýsuvík belongs to earth science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Krýsuvík to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Krýsuvík from memory before moving on to harder problems.

Reference excerpt

Krýsuvík (also Krísuvík, both pronounced [ˈkʰriːsʏˌviːk] in Icelandic) is an area in Southwest Iceland at about 35 km from Reykjavík.

Geography and access It is situated on the Reykjanes peninsula between Þorlákshöfn and Grindavík and accessed by Routes 42 and 427.

Name The name Krýsuvík means "bay of Krýsa," a folk tale figure from the area. Krýsa [ˈkʰriːsa] was an old woman who, together with her cousin Herdís, [ˈhɛrˌtiːs] could use witchcraft. They had a discussion about the borders of their respective lands; one wanted to cast a spell so that all the fish in a nearby lake would be hairy, the other intended to bring up a storm and let all fishermen die. The dispute ended with the death of both of them. The folk tale says that they were buried side by side, and the place of the graves is still known to locals. The Ögmundarhraun [ˈœɣˌmʏntar̥ˌr̥œyːn̥] lava flows which were emitted by the nearby Krýsuvík volcanic system in the 12th century, destroyed the Krýsuvík farm, which was located at the coast, and filled up the bay.

History

There were farms in the vicinity from the Middle Ages till 1945. After the eruption known as the Krýsuvík fires in the middle of the 12th century, probably in 1151-1188, the main farm was transferred to a place under the mountain Bæjarfell. The name Krýsuvík was still used for the farm, though the buildings were at a distance of some kilometers from the sea. The farm had a reputation for being very rich till the end of the 19th century. Being near the sea, the farm had additional income from fishing and hunting. Commerce was also done, because the farm was a junction of old trails from the north to the south coast. Also the sulfur of the nearby geothermal areas was mined and exported. However, Krýsuvík was too far away from upcoming industry and commerce and therefore abandoned in the middle of the 20th century. Árni Gíslason, one of the richest people in Iceland in the 19th century, lived in Krýsuvík. In 1949, a new farm (Fjósið) was constructed near the maar Grænavatn, but for many reasons, never used much as such. As all the estate farms in Iceland, Krýsuvík had its own small proprietary church, in this case from the 13th century until 2010. The last building was a 19th century timber church built in 1857. The church was then changed into an apartment building for some time after 1927. In 1964, the mayor of Hafnarfjörður had the church renovated and used for weddings and placed under the protection of the National Museum as part of the National Museum’s Buildings Collection. It burned down in January 2010. An association was formed to build a replica, which was done by students and teachers at the technical school in Hafnarfjörður. The replica was driven to the site by truck and unloaded in 2020.

Sites

Under the mountain Bæjarfell is a boarding school for young people who have problems with drug abuse. In the vicinity are some maars and the high temperature geothermal area of Seltún, all part of the Krýsuvík volcanic system. The largest lake in the area, Kleifarvatn, began to diminish after an earthquake in 2000; 20% of its surface disappeared by 2005, but it had filled up again by 2019. Many interesting tuff rock formations are to be found at its western coast near Route 42 on the slopes of Sveifluháls. The Ögmundarhraun lava field south of Krýsuvík includes some kīpukas, vegetation islands in the lava field, which can be reached by hiking trails. One of them, the Húshólmi [ˈhusˌhoulmɪ], contains some ruins of the medieval farm of Krýsuvík. Scientists identified some stone fences within the same kipuka as being older as the official time of settlement (874). They used tephrochronology and saw that the famous bimodal settlement tephra (landnámslagið) derived from a combined eruption series within the Bárðarbunga-Veiðivötn and Torfajökull systems in the years 871-874, was covering these structures. A jeep track runs down to the sea from Krýsuvík and Route 427. It ends at the high cliffs of Krýsuvíkurbjarg [ˈkʰriːsʏˌviːkʏrˌpjark] or Krýsuvíkurberg [-ˌpɛrk] which are renowned as bird cliffs with thousands of Icelandic sea birds like arctic terns, puffins, fulmars and more. About 63,000 pairs of birds were counted there shortly before 2014. But the cliffs, which can be reached on foot, are also a window in the geologic past. The lava flows covering the area came mostly from the crater up on Geitahlíð tuya, not from the Krýsuvík, but from the neighbouring Brennisteinsfjöll volcanic system. The area is protected as part of Reykjanesfólkvangur. Krýsuvík is a popular hiking area, and tourism infrastructure such as wooden pathways has been developed. The music video for the song "Never Forget" by Greta Salóme and Jónsi was filmed in this area.

See also Krýsuvík fires

References

Illustrations

Krýsuvík: Grænavatn, Krýsuvíkurskóli, Sveifluháls with geothermal areas
Grænavatn, Krýsuvíkurskóli, Sveifluháls with geothermal areas
Krýsuvík: The old Krýsuvikurkirkja, March 2007
The old Krýsuvikurkirkja, March 2007
Krýsuvík: The maar Grænavatn with the buildings of the "new" farm
The maar Grænavatn with the buildings of the "new" farm
Krýsuvík: Geothermal area of Seltún in 2018
Geothermal area of Seltún in 2018
Krýsuvík: Aerial photographs of Ögmundarhraun lava field
Aerial photographs of Ögmundarhraun lava field

Worked examples

Example 1 — a first encounter with Krýsuvík

Start with the simplest possible case. Write down what Krýsuvík claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Krýsuvík before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Krýsuvík ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Krýsuvík

In research
Krýsuvík appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Krýsuvík in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Krýsuvík is common in secondary-school and first-year university syllabi. It links to neighbouring topics Farms in Iceland, Hafnarfjörður, Krýsuvík Volcanic System, so understanding it makes those chapters shorter.
In everyday life
Look for Krýsuvík outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Krýsuvík in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Krýsuvík means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Krýsuvík out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Krýsuvík in simple terms?

Krýsuvík (also Krísuvík, both pronounced [ˈkʰriːsʏˌviːk] in Icelandic) is an area in Southwest Iceland at about 35 km from Reykjavík. Geography and access It is situated on the Reykjanes peninsula between Þorlákshöfn and Grindavík and accessed by Routes 42 and 427.

Why does Krýsuvík matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Krýsuvík?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Krýsuvík.

Tags

  • Farms in Iceland
  • Hafnarfjörður
  • Krýsuvík Volcanic System
  • Reykjanes Volcanic Belt
  • Southern Peninsula (Iceland)

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