Source data
Selected milestones of the 2018 Kīlauea eruption and summit collapse
Sources checked
- 30 April 2018Puʻuʻōʻō crater floor collapsed as magma moved downrift
- 3 May 2018Lava reached the surface through the first lower East Rift Zone fissure
- 10 May 2018The summit lava lake had dropped out of view
- 3 June 2018A lava channel from fissure 8 reached the ocean
- 2 August 2018The final summit collapse event occurred
- 5 September 2018USGS records the last visible active lava inside the fissure
The searchable event register also includes the park closure, ocean entries and the final observed active lava.
Selected milestones of the 2018 Kīlauea eruption and summit collapse
Dates follow the USGS Hawaiian Volcano Observatory retrospective and event overview. The timeline selects six milestones from the 14-record table.
| Source | |||
|---|---|---|---|
| 30 April 2018 | Middle East Rift Zone | Puʻuʻōʻō crater floor collapsed as magma moved downrift | Source 2 |
| 3 May 2018 | Leilani Estates | Lava reached the surface through the first lower East Rift Zone fissure | Source 2 |
| 4 May 2018 | South coast of Hawaiʻi | A magnitude 6.9 earthquake struck the island’s south coast | Source 2 |
| 10 May 2018 | Summit | The summit lava lake had dropped out of view | Source 1 |
| 11 May 2018 | Hawaiʻi Volcanoes National Park | The park closed to the public | Source 2 |
| 16 May 2018 | Summit | HVO staff left the observatory and USGS records the first of a series of minor explosions | Source 1 |
| 19 May 2018 | Coast near MacKenzie State Recreation Area | Lava first entered the ocean in this phase of the eruption | Source 1 |
| 27 May 2018 | Fissure 8 | Eruptive activity returned to the fissure | Source 1 |
| 28 May 2018 | Fissure 8 | The eruption concentrated at fissure 8 | Source 1 |
| 3 June 2018 | Kapoho Bay | A lava channel from fissure 8 reached the ocean | Source 1 |
| 2 August 2018 | Summit | The final summit collapse event occurred | Source 1 |
| 4 August 2018 | Fissure 8 | Lava output and sulfur dioxide emissions decreased sharply | Source 1 |
| 21 August 2018 | Ocean entries | Ocean entries had ceased by this date | Source 1 |
| 5 September 2018 | Fissure 8 | USGS records the last visible active lava inside the fissure | Source 1 |