Reported by USGS today.
It is the 185th strongest of the 189 detections recorded within 20 km of this point since 7 March 2026. The last comparable one was on 1 September 2026.
What the source measured
USGS reported: HVO Kilauea YELLOW/ADVISORY - Kīlauea volcano is not erupting; the summit eruption in Halemaʻumaʻu is paused. Summit reinflation has increased over the past day. A forecast window of September 7-12 is likely for the next fountain episode.
USGS moved the alert level from WATCH to ADVISORY.
Nearby, since 7 March 2026
- September 1, 2026 · score 18 · 0.0 km
- August 31, 2026 · score 18 · 0.0 km
- August 30, 2026 · score 20 · 0.0 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 18 out of 100, at 62 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Volcanic Eruptions |
| Severity | Medium |
| Calamity Score (ours) | 18 / 100 |
| Our confidence | 62% |
| Coordinates | 19.4210, -155.2870 |
| Nearest City | Hilo (40 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T19:30:04.000Z |
| Source | https://volcanoes.usgs.gov/hans2/view/notice/DOI-USGS-HVO-2026-09-02T18:33:37+00:00 |
Score Breakdown
Technical Details
| VolcanoName | Kilauea |
| VolcanoId | 332010 |
| AlertLevel | ADVISORY |
| ColorCode | YELLOW |
| ObservatoryCode | hvo |
| NvewsThreat | Very High Threat |
| PreviousAlertLevel | WATCH |
| PreviousColorCode | ORANGE |
Safety Information
During volcanic activity: follow evacuation orders from authorities. Volcanic ash can damage lungs — wear N95 masks or wet cloth over nose and mouth. Stay indoors during ashfall, close windows, and avoid driving. Lahars and pyroclastic flows can travel at high speeds — stay away from valleys and river channels near the volcano.
Series begins 8 March 2026 for live collection; the monthly chart also counts backfilled detections from 10 February 2024. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens in this area?
Calamity.live data shows a volcano event with CalamityScore 18/100, at Kilauea (United States), based on data from usgs_volcano. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.