Home › Entities › magnetic_anomaly › South Atlantic Anomaly

South Atlantic Anomaly

area in South Atlantic where the Earth's magnetic field is weakest relative to an idealized dipole, so that the inner Van Allen radiation belt comes closest to the Earth's surface (altitude 200 km), exposing satellites to higher-than-usual radiation
Thing magnetic_anomaly Q1468412
South Atlantic Anomaly
Steve Snowden (US ROSAT Science Data Center) · Public Domain · Wikimedia
Press Enter · cited answer in seconds

South Atlantic Anomaly

Summary

South Atlantic Anomaly is a magnetic anomaly[1]. It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • South Atlantic Anomaly's instance of is recorded as magnetic anomaly[3].
  • South Atlantic Anomaly's Commons category is recorded as South Atlantic Anomaly[4].
  • South Atlantic Anomaly's time of discovery or invention is recorded as 1958[5].
  • South Atlantic Anomaly's coordinate location is recorded as {'lat': -30, 'lon': -40}[6].
  • South Atlantic Anomaly's length is recorded as {'unit': 'Q828224', 'amount': '+560'}[7].

Body

Definition and Type

South Atlantic Anomaly's instance of is recorded as magnetic anomaly[3].

Why It Matters

South Atlantic Anomaly has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[2] It is known by 27 alternative names across languages and contexts.[8]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . heasarc.gsfc.nasa.gov. heasarc.gsfc.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [8] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). South Atlantic Anomaly. Retrieved May 3, 2026, from https://4ort.xyz/entity/south-atlantic-anomaly
MLA “South Atlantic Anomaly.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/south-atlantic-anomaly.
BibTeX @misc{4ortxyz_south-atlantic-anomaly_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{South Atlantic Anomaly}}, year = {2026}, url = {https://4ort.xyz/entity/south-atlantic-anomaly}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): South Atlantic Anomaly — https://4ort.xyz/entity/south-atlantic-anomaly (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/south-atlantic-anomaly · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1CWNV4
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 11w ago · Miko101 · 2026-05-02 view diff on Wikidata ↗
    Coordinate location → {'lat': -30, 'lon': -40}
    Instance of → magnetic anomaly
    Length → {'unit': 'Q828224', 'amount': '+560'}
    Coordinates → —
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1269]]: [[Q188533]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.