{"tsunamis":[{"id":"usgs_7000tiur","title":"M5.5 35 km NNE of Ruteng, Indonesia","lat":-8.307,"lng":120.5793,"magnitude":5.5,"depth":10,"date":"2026-09-21T01:41:36.315000","type":"earthquake","tsunami_flag":false,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000tiur","_pw_source_provenance":{"source":"explicit","url":"explicit"}},{"id":"usgs_7000tit5","title":"M5.7 south of Africa","lat":-48.4279,"lng":31.2345,"magnitude":5.7,"depth":10,"date":"2026-09-20T20:54:37.248000","type":"earthquake","tsunami_flag":false,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000tit5","_pw_source_provenance":{"source":"explicit","url":"explicit"}},{"id":"usgs_7000tigd","title":"M5.5 Kermadec Islands region","lat":-27.8581,"lng":-177.2286,"magnitude":5.5,"depth":94.054,"date":"2026-09-18T23:18:28.306000","type":"earthquake","tsunami_flag":false,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000tigd","_pw_source_provenance":{"source":"explicit","url":"explicit"}},{"id":"usgs_7000ti1p","title":"M6.5 169 km W of Nikolski, Alaska","lat":52.8594,"lng":-171.3756,"magnitude":6.5,"depth":98,"date":"2026-09-17T14:19:52.210000","type":"tsunami_risk","tsunami_flag":true,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000ti1p","_pw_source_provenance":{"source":"explicit","url":"explicit"}},{"id":"usgs_7000thc6","title":"M5.5 187 km SSW of Pelabuhanratu, Indonesia","lat":-8.5419,"lng":105.8726,"magnitude":5.5,"depth":10,"date":"2026-09-14T09:27:38.536000","type":"earthquake","tsunami_flag":false,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000thc6","_pw_source_provenance":{"source":"explicit","url":"explicit"}},{"id":"usgs_7000teu1","title":"M5.5 southeast of the Loyalty Islands","lat":-23.4192,"lng":171.6769,"magnitude":5.5,"depth":10,"date":"2026-09-07T05:50:44.529000","type":"earthquake","tsunami_flag":false,"source":"USGS","url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000teu1","_pw_source_provenance":{"source":"explicit","url":"explicit"}}],"count":6,"freshness":{"contract":"freshness_v1","source":{"id":"usgs","label":"USGS Earthquake Hazards","url":"https://earthquake.usgs.gov/"},"observed_at":"2026-09-21T01:41:36Z","received_at":"2026-09-21T12:58:13Z","age":42318,"age_basis":"observed_at","quality":"observation","stale_after_seconds":900,"stale":true,"state":"stale","reason":{"code":"STALE_WHILE_REVALIDATE"}},"upstream_refresh_origin":"retained-stale","upstream_refresh":{"noaa_tsunami":{"last_upstream_refresh_at":"2026-09-21T12:13:40Z","last_upstream_refresh_id":"noaa_tsunami:1789992820857202:414","upstream_refresh_count":414},"usgs":{"last_upstream_refresh_at":"2026-09-21T12:39:18Z","last_upstream_refresh_id":"usgs:1789994358219980:7","upstream_refresh_count":7}}}