Question / hazards & water
What is moving across the risk map?
See active alerts, recent earthquakes, early warnings, and river readings together.
View through Open in World layer overview
Start here
Scan the network, then open the map.
- Event window
- 7 daysAlerts and events
- Signal mix
- 4 streamsHazards and water
- Map view
- World layersOpen the connected map
- View cutoff
- Current retained view
NOAA / NWS
National alert areas
8 mapped · 337 unmapped
Inspect alert areasUSGS
Earthquake activity
M4.5+ events in the rolling source week
Inspect earthquakesGDACS
Early-warning events
Events active at the cutoff
Inspect early warningsUSGS WATER
River series
Stations with retained readings
Inspect river readingsSeven-day view
Activity timing
NWS alerts
USGS quakes
GDACS events
- Oct 22: NWS 0, USGS 25, GDACS 0
- Oct 23: NWS 0, USGS 24, GDACS 0
- Oct 24: NWS 0, USGS 49, GDACS 0
- Oct 25: NWS 0, USGS 26, GDACS 0
- Oct 26: NWS 82, USGS 19, GDACS 0
- Oct 27: NWS 263, USGS 19, GDACS 0
- Oct 28: NWS 0, USGS 0, GDACS 0
National coverage
Alert areas
Coverage: 8 mapped · 337 unmapped (no provider geometry)
- Winter Weather Advisory issued October 27 at 3:18PM PDT until October 28 at 5:00PM PDT by NWS Seattle WAWinter Weather Advisory · Cascades of Whatcom and Skagit Counties; Cascades of Snohomish and Northern King CountiesModerate · unmapped ↗
- Winter Weather Advisory issued October 27 at 3:18PM PDT until October 28 at 5:00PM PDT by NWS Seattle WAWinter Weather Advisory · Cascades of Southern King CountyModerate · unmapped ↗
- Winter Weather Advisory issued October 27 at 3:18PM PDT until October 28 at 5:00PM PDT by NWS Seattle WAWinter Weather Advisory · Cascades of Pierce and Lewis CountiesModerate · unmapped ↗
- Small Craft Advisory issued October 27 at 9:51AM AKDT until October 28 at 1:00AM AKDT by NWS Juneau AKSmall Craft Advisory · Glacier Bay; Southern Lynn Canal; Frederick SoundMinor · unmapped ↗
- Small Craft Advisory issued October 27 at 9:51AM AKDT until October 28 at 10:00AM AKDT by NWS Juneau AKSmall Craft Advisory · Northern Lynn Canal; Dixon Entrance to Cape Decision from 15 to 90 NMMinor · unmapped ↗
- Small Craft Advisory issued October 27 at 9:51AM AKDT until October 28 at 4:00AM AKDT by NWS Juneau AKSmall Craft Advisory · Stephens Passage; Southern Chatham StraitMinor · unmapped ↗
- Small Craft Advisory issued October 27 at 9:51AM AKDT until October 28 at 4:00AM AKDT by NWS Juneau AKSmall Craft Advisory · Dixon Entrance to Cape Decision out to 15 NM; Cape Decision to Cape Edgecumbe out to 15 NM; Cape Edgecumbe to Cape Spencer from 15 to 80 NMMinor · unmapped ↗
- Small Craft Advisory issued October 27 at 9:51AM AKDT until October 28 at 7:00AM AKDT by NWS Juneau AKSmall Craft Advisory · Cape Decision to Cape Edgecumbe from 15 to 80 NMMinor · unmapped ↗
Evidence
NOAA / National Weather ServiceRetrieved Official source ↗Alert areas only; no gateway impact is inferred.
Rolling source week
Earthquake activity
| Magnitude | Location | Occurred | Source |
|---|---|---|---|
| M 7.0 | 191 km ENE of Nagqu, China | Oct 22, 2026, 2:33 PM UTC | USGS ↗ |
| M 6.9 | 197 km WNW of Port-Olry, Vanuatu | Oct 24, 2026, 2:31 AM UTC | USGS ↗ |
| M 6.5 | Bonin Islands, Japan region | Oct 25, 2026, 2:09 AM UTC | USGS ↗ |
| M 6.3 | 170 km NW of Port-Olry, Vanuatu | Oct 24, 2026, 2:35 AM UTC | USGS ↗ |
| M 6.1 | 25 km ENE of Port-Olry, Vanuatu | Oct 25, 2026, 2:24 AM UTC | USGS ↗ |
| M 5.9 | 218 km ENE of Nagqu, China | Oct 25, 2026, 11:25 AM UTC | USGS ↗ |
| M 5.9 | 196 km NW of Port-Olry, Vanuatu | Oct 24, 2026, 8:56 AM UTC | USGS ↗ |
| M 5.8 | 196 km NW of Port-Olry, Vanuatu | Oct 27, 2026, 8:55 AM UTC | USGS ↗ |
Evidence
U.S. Geological SurveyRetrieved Official source ↗M4.5+ rolling seven-day source feed; markers do not establish port impact.
Global context
Early-warning events
Available
No early-warning events are shown at this cutoff.
Evidence
Global Disaster Awareness and Coordination SystemRetrieved Official source ↗Early-warning context; no local warning, closure, or port impact is inferred.
Retained station coverage
River readings
| Station | Measure | Latest retained reading | Coverage |
|---|---|---|---|
| OHIO RIVER AT CINCINNATI, OH ↗USGS-03255000 | Gage height (ft) | 29.37 ftSep 12, 2026, 6:00 PM UTC · Provisional | Sep 10, 2026 → Sep 12, 2026 |
| OHIO RIVER AT LOUISVILLE, KY ↗USGS-03294500 | Gage height (ft) | 21.5 ftSep 12, 2026, 6:00 PM UTC · Provisional | Sep 10, 2026 → Sep 12, 2026 |
| Mississippi River at St. Louis, MO ↗USGS-07010000 | Gage height (ft) | -0.02 ftSep 12, 2026, 12:30 AM UTC · Provisional | Sep 10, 2026 → Sep 12, 2026 |
| MISSISSIPPI RIVER AT MEMPHIS, TN ↗USGS-07032000 | Discharge (ft3/s) | 247,000 ft3/sSep 12, 2026, 3:00 PM UTC · Provisional | Sep 10, 2026 → Sep 12, 2026 |
| Arkansas River at Tulsa, OK ↗USGS-07164500 | Gage height (ft) | 3.37 ftSep 12, 2026, 5:30 PM UTC · Provisional | Sep 10, 2026 → Sep 12, 2026 |
Evidence
U.S. Geological SurveyRetrieved Official source ↗Stage and flow readings are not channel depth or vessel clearance.