Weiach

History

Weiach is first mentioned in 1271. It has belonged to Swiss Confederation since 1424. Since 1962 there has been a gravel industry located in Weiach. On 14 November 1990, Alitalia Flight 404 crashed into Stadlerberg Mountain near Weiach while attempting to land at Zurich Airport. The crash, which was caused by a faulty navigation system, killed all 40 passengers and 6 crew.

Geography

Weiach has an area of . Of this area, 36.9% is used for agricultural purposes, while 49.5% is forested. Of the rest of the land, 11.7% is settled (buildings or roads) and the remainder (1.9%) is non-productive (rivers, glaciers or mountains). Weiach (dialect: «Weych») is situated at approximately 390 metres above sea level in the northwestern corner of the Zürich Lowlands («Zuercher Unterland»), at the cantonal boundary between Zürich and Aargau. The River Rhine, flows some 100 meters north of the village and forms the natural border line to Germany, marking the lowest spot in the canton of Zürich (332 meters above sea level).

Most-observed species

• European roe deer

  Capreolus capreolus (Linnaeus, 1758) · Mammalia
  23,947
• Meadow Brown

  Maniola jurtina (Linnaeus, 1758) · Insecta
  13,481
• Annual Fleabane

  Erigeron annuus (L.) Pers. · Magnoliopsida
  11,268
• red fox

  Vulpes vulpes (Linnaeus, 1758) · Mammalia
  10,383
• Common Blue

  Polyommatus icarus (von Rottemburg, 1775) · Insecta
  7,933
• Narrow-leaved Ragwort

  Senecio inaequidens DC. · Magnoliopsida
  6,495
• Carrion Crow

  Corvus corone Linnaeus, 1758 · Aves
  5,593
• Red Kite

  Milvus milvus (Linnaeus, 1758) · Aves
  4,933

Most recent

• M 3.7 — 2026-04-26
  4 km N of Quarten, Switzerland
• M 3.5 — 2024-06-27
  1 km SSW of Todtmoos, Germany
• M 4.2 — 2024-06-04
  2 km NNW of Unteriberg, Switzerland
• M 3.4 — 2022-10-16
  Baden-Wurttemberg, Germany
• M 3.9 — 2022-09-10
  1 km WSW of Zimmersheim, France
• M 3.8 — 2022-09-01
  2 km WSW of Sevelen, Switzerland