Reported by USGS today.
It is the 185th strongest of the 188 detections recorded within 20 km of this point since 7 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
USGS reported: HVO Kilauea YELLOW/ADVISORY - Kīlauea volcano is not erupting; the summit eruption in Halemaʻumaʻu is paused. Unstable summit reinflation has been slowing again over the past day. More data are needed to model the forecast window for the next episode.
USGS moved the alert level from WATCH to ADVISORY.
Nearby, since 7 March 2026
- August 31, 2026 · score 18 · 0.0 km
- August 30, 2026 · score 20 · 0.0 km
- August 29, 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 | 2026-09-01T19:02:11.000Z |
| Source | https://volcanoes.usgs.gov/hans2/view/notice/DOI-USGS-HVO-2026-09-01T18:15:09+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.