{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"773dd398f1868bca16668cd24cef19dce94119e96b7b297f1f92b8974cba4f26","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"4d7313d1763703c39a8a75be9d9d86ef6a50a0186af97cf6db471972e38c9dbb","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"earth.earthquake-physics","field":"earth","n":"1","review_cite":"Hiroo Kanamori, Emily E. Brodsky, The physics of earthquakes, Reports on Progress in Physics, 2004","review_link":"https://doi.org/10.1088/0034-4885/67/8/R03","review_verified":"true","summary":"Earthquakes happen when stressed faults suddenly slip, but how a slip starts, how fast friction collapses, and why it stops are poorly understood. As a result no one can reliably predict when a large earthquake will occur.","title":"Earthquake nucleation, rupture physics and predictability","topic_ref":null,"why":"Earthquake hazard forecasts and building codes depend on knowing what can and cannot be predicted."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"1dbf2e518640764e9008c15991558e9c0810fdb6b00292d36b150438ae8a1784","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"413ae5e400e4cb61827199d227df557887d362e21bb6560f2b0f5a03194bf353","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"igWGucF3GXrmvg1LsYCQdqdGe1XTJp4rktF_vRtfEWxj-CsNrXThx_6FhQNJmIlYpLv67xxXgEP2I14h9LidCA"},"schema":"pubphys.envelope/1"},"record_hash":"1dbf2e518640764e9008c15991558e9c0810fdb6b00292d36b150438ae8a1784","leaf_index":198}