Property talk:P1903

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volcanic explosivity index
scale indicating size of an explosive volcanic eruption

Represents	Volcanic Explosivity Index (Q210510)
Data type	Item
Template parameter	"VEI" in it:Template:AttivitàEruttive
Domain	According to this template: volcanic eruption (Q7692360) According to statements in the property: volcanic eruption (Q7692360) When possible, data should only be stored as statements
Allowed values	According to this template: 0 to 9 According to statements in the property: Volcanic explosivity index 0: Hawaiian (Q19988083), Volcanic explosivity index 1: Hawaiian/Strombolian (Q19988064), Volcanic explosivity index 2: Strombolian/Vulcanian (Q19988003), Volcanic explosivity index 3: Vulcanian/Pelean (Q19987976), Volcanic explosivity index 4: Pelean/Plinian (Q19986423), Volcanic explosivity index 5: Plinian (Q19988184), Volcanic explosivity index 6: Plinian/Ultra-Plinian (Q19988258), Volcanic explosivity index 7: Ultra-Plinian (Q19988329) or Volcanic explosivity index 8: Supervolcanic (Q19988452) When possible, data should only be stored as statements
Example	2010 eruptions of Eyjafjallajökull (Q269442) → Volcanic explosivity index 4: Pelean/Plinian (Q19986423) 1815 eruption of Mount Tambora (Q3591483) → Volcanic explosivity index 7: Ultra-Plinian (Q19988329)
Tracking: usage	Category:Pages using Wikidata property P1903 (Q106832758)
Tracking: local yes, WD no	no label (Q101364549)
See also	Global Volcanism Program ID (P1886), volcano observatory (P3815)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P1903 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 102 Main statement 89 87.3% of uses Qualifier 13 12.7% of uses
Search for values

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One of Volcanic explosivity index 0: Hawaiian (Q19988083), Volcanic explosivity index 1: Hawaiian/Strombolian (Q19988064), Volcanic explosivity index 2: Strombolian/Vulcanian (Q19988003), Volcanic explosivity index 3: Vulcanian/Pelean (Q19987976), Volcanic explosivity index 4: Pelean/Plinian (Q19986423), Volcanic explosivity index 5: Plinian (Q19988184), Volcanic explosivity index 6: Plinian/Ultra-Plinian (Q19988258), Volcanic explosivity index 7: Ultra-Plinian (Q19988329), Volcanic explosivity index 8: Supervolcanic (Q19988452): value must be one of the specified items. Please expand list if needed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1903#One of, values statistics, SPARQL

Type “volcanic eruption (Q7692360)”: item must contain property “instance of (P31), subclass of (P279)” with classes “volcanic eruption (Q7692360)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P1903#Type Q7692360, hourly updated report, SPARQL

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1903#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1903#Entity types

This property is being used by: it:Module:Eruzione, it:Template:AttivitàEruttive hy:Կաղապար:Տեղեկաքարտ Աշխքարտ lij:Template:Montàgna Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)