Magnitude
M4.7
- Depth
- 0.0 km
- Source
- USGS
Alaska · Denali Borough
Country overviewUnited States · Alaska
M4.7 Earthquake near Denali Borough, Alaska (United States)
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.
Map
About this earthquake
On July 28, 2026 at 20:49 UTC, a magnitude M4.7 earthquake occurred near Denali Borough, Alaska (United States). Tremors of this size are distinctly felt and can occasionally cause light damage.
The data is provided by USGS and cross-checked across seismological networks. United States: 173 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.
Details
ID
79f05308f8956f5142713b768426e9b985debbbe
Magnitude
M4.7
Depth
0.0 km
UTC time
2026-07-28 20:49:24 UTC
Local time
—
Country
State
City
County
Source
usgs
Coordinates
63.61600,
-150.69500
Temperature
9.6°C
Depth profile
Shallow
0 km
0 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Official USGS aftershock forecast
Probability of at least one aftershock at or above the specified magnitude during the entire stated time window. This does not predict an individual earthquake.
Issued: Sep 8, 2026, 8:49 PM UTC · Last checked: Sep 14, 2026, 11:37 AM UTC
Sep 8, 2026, 9:00 PM UTC – Sep 9, 2026, 9:00 PM UTC · Expired
| Magnitude | Probability ≥ 1 | Count (95% interval) |
|---|---|---|
| M ≥ 3.0 | 0.67 % | 0–0 |
| M ≥ 4.0 | 0.07 % | 0–0 |
| M ≥ 5.0 | < 0.01 % | 0–0 |
| M ≥ 6.0 | < 0.01 % | 0–0 |
| M ≥ 7.0 | < 0.01 % | 0–0 |
Sep 8, 2026, 9:00 PM UTC – Sep 15, 2026, 9:00 PM UTC
| Magnitude | Probability ≥ 1 | Count (95% interval) |
|---|---|---|
| M ≥ 3.0 | 4.24 % | 0–1 |
| M ≥ 4.0 | 0.44 % | 0–0 |
| M ≥ 5.0 | 0.04 % | 0–0 |
| M ≥ 6.0 | < 0.01 % | 0–0 |
| M ≥ 7.0 | < 0.01 % | 0–0 |
Sep 8, 2026, 9:00 PM UTC – Oct 8, 2026, 9:00 PM UTC
| Magnitude | Probability ≥ 1 | Count (95% interval) |
|---|---|---|
| M ≥ 3.0 | 13.33 % | 0–1 |
| M ≥ 4.0 | 1.50 % | 0–0 |
| M ≥ 5.0 | 0.15 % | 0–0 |
| M ≥ 6.0 | 0.02 % | 0–0 |
| M ≥ 7.0 | < 0.01 % | 0–0 |
Sep 8, 2026, 9:00 PM UTC – Sep 8, 2027, 9:00 PM UTC
| Magnitude | Probability ≥ 1 | Count (95% interval) |
|---|---|---|
| M ≥ 3.0 | 38.66 % | 0–3 |
| M ≥ 4.0 | 5.78 % | 0–1 |
| M ≥ 5.0 | 0.61 % | 0–0 |
| M ≥ 6.0 | 0.06 % | 0–0 |
| M ≥ 7.0 | < 0.01 % | 0–0 |
The range is the 95% forecast interval for the number of earthquakes. Magnitude thresholds and time windows overlap: do not add the values. Windows already in progress still refer to the entire stated period.
Estimated impact
163
Felt reports · max reported intensity 4.3
Ground shaking
V
Moderate · Intensity (MMI) V
Felt by all, slight damage possible.
Tectonic context
Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 530 km away
Volcanoes nearby
Alaska
Context for this earthquake
14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 655 Catalogue entries
Of 654 other entries for this area and period, 77 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
Open seismic profileHistoric earthquake map · United States
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Country statistics · United States
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
610
Country (24h)
United States
173
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