{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.earthquake","code":"thing-q7944","url":"https://ver.cy/models/thing/q7944/","name":"earthquake","alternateNames":["foreshock","EMS intensity XI earthquake","earthquake in Japan","earthquake in Vanuatu","low-frequency earthquake","interplate earthquake","earthquake doublet","earthquake sequence","paleoearthquake","Iturup earthquake","mainshock","Shikotan earthquake"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.ACT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A sudden shaking of the ground caused by the release of energy in the Earth crust, usually by slip on a fault, measured by magnitude such as moment magnitude and by intensity scales such as EMS-98 or Modified Mercalli; earthquakes can trigger tsunamis, landslides and fires.","purpose":"Let an agent handle earthquakes safety-first: give protective actions and tsunami warnings, route people to emergency services and official sources, then explain causes, measurement and preparedness.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Sudden fault slip","Measured by magnitude and intensity","Often followed by aftershocks","Cannot be predicted precisely"],"structure":{"bundles":[{"id":"during","name":"During","description":"Shaking now.","layers":[{"id":"protect","name":"Protect","description":"Protective action.","findings":[{"id":"protect-finding","name":"Protect","description":"Protective action.","questions":[{"text":"Is the ground shaking now?","kind":"boundary"},{"text":"Should the person drop, take cover under sturdy furniture and hold on, staying away from windows?","kind":"action"}]}]},{"id":"tsunami","name":"Tsunami","description":"Coastal warning.","findings":[{"id":"tsunami-finding","name":"Tsunami","description":"Tsunami warning.","questions":[{"text":"Is the person on a coast after strong or long shaking, or is a tsunami warning in force?","kind":"boundary"},{"text":"Should they move to high ground or inland immediately?","kind":"action"}]}]}]},{"id":"after","name":"After","description":"After shaking.","layers":[{"id":"check","name":"Check","description":"Injuries and hazards.","findings":[{"id":"check-finding","name":"Check","description":"After the quake.","questions":[{"text":"Is anyone injured or trapped, or is there a smell of gas?","kind":"boundary"},{"text":"Should emergency services be called and the building left if unsafe?","kind":"action"}]}]},{"id":"official","name":"Official","description":"Official information.","findings":[{"id":"official-finding","name":"Official","description":"Official information.","questions":[{"text":"What do official seismological agencies report about this earthquake?","kind":"provenance"},{"text":"Are aftershock forecasts available?","kind":"provenance"}]}]}]},{"id":"science","name":"Science","description":"Measurement.","layers":[{"id":"magnitude","name":"Magnitude","description":"Size.","findings":[{"id":"magnitude-finding","name":"Magnitude","description":"Magnitude.","questions":[{"text":"What is the magnitude, and how does it differ from intensity?","kind":"measurement"},{"text":"Which agency measured it?","kind":"provenance"}]}]},{"id":"prediction","name":"Prediction","description":"Forecasting limits.","findings":[{"id":"prediction-finding","name":"Prediction","description":"Prediction limits.","questions":[{"text":"Can earthquakes be predicted, according to seismologists?","kind":"provenance"},{"text":"How should rumours of predictions be handled?","kind":"action"}]}]}]},{"id":"prepare","name":"Prepare","description":"Preparedness.","layers":[{"id":"home","name":"Home","description":"Home preparation.","findings":[{"id":"home-finding","name":"Home","description":"Home preparation.","questions":[{"text":"Which home preparations do civil protection authorities recommend?","kind":"provenance"},{"text":"How should furniture be secured?","kind":"action"}]}]},{"id":"buildings","name":"Buildings","description":"Seismic codes.","findings":[{"id":"buildings-finding","name":"Buildings","description":"Seismic safety of buildings.","questions":[{"text":"Which seismic code applies here, and is this building assessed?","kind":"provenance"},{"text":"Who can carry out an assessment?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report earthquakes with time, location, magnitude and source agency.","Relay official warnings and safety guidance from the competent authority."],"mustNot":["Issue or spread earthquake predictions that the competent authority has not made.","Contradict official evacuation or safety instructions.","Direct people into damaged buildings after a quake.","Publish personal data of victims or missing people beyond official channels."],"requiresHuman":["Declaring a building safe to enter after an earthquake."]},"ethics":{"considerations":["Earthquakes kill most people where buildings are weak, often in poor communities.","False alarms and rumours after quakes cause panic and harm."],"affectedParties":["People in affected areas","Rescue workers","Families of victims"]},"owners":{"steward":"Nobody owns an earthquake; national seismological agencies record and report them.","roles":[],"masterSystems":["National and international seismic event catalogues"]},"relations":[{"target":"Q108156638","type":"parent","note":"registry parent class"},{"target":"Q123349687","type":"parent","note":"registry parent class"},{"target":"Q136927433","type":"parent","note":"registry parent class"},{"target":"Q8065","type":"parent","note":"registry parent class"},{"target":"geologic activity","type":"related","note":"category"},{"target":"fault slip","type":"related","note":"cause"},{"target":"tsunami","type":"related","note":"secondary hazard"},{"target":"seismometer","type":"related","note":"instrument"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.earthquake","Wikidata: Q7944 (https://www.wikidata.org/wiki/Q7944)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Seismograms and shake maps","Aftershock sequences","Explosions and quarry blasts can mimic small quakes","Ground shaking, damaged buildings, cracks and landslides; recorded on seismograms."]},"capabilities":{"applicability":"required","items":["give protective actions during shaking","find official earthquake and tsunami information","explain magnitude and intensity","prepare homes and families"]},"hazards":{"applicability":"required","items":["Building collapse and falling objects","Tsunamis after coastal quakes","False earthquake predictions and rumours"]},"interfaces":{"applicability":"required","items":["Seismic building codes such as Eurocode 8","National civil protection law","Sendai Framework for Disaster Risk Reduction"]},"context":{"applicability":"required","items":["A natural hazard and geological process.","interplate and intraplate earthquakes","foreshocks, mainshocks and aftershocks","deep and shallow earthquakes","induced earthquakes","low-frequency and slow earthquakes"]}},"sources":[{"title":"Wikidata item Q7944: earthquake","url":"https://www.wikidata.org/wiki/Q7944","note":"identity and sense of the item"},{"title":"Wikipedia: Earthquake","url":"https://en.wikipedia.org/wiki/Earthquake","note":"general description of the item"}],"openQuestions":["Should notable earthquakes be separate entries?","How should official feeds be linked?","How should induced seismicity be linked?"],"resources":{"spec":"/models/things/publications/thing-q7944/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q7944/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T13:11:21Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}