Earthquake · reviewed by a seismologist
M 3.5ml
Earthquake near Anchorage, AK
Yes. A magnitude 3.5 earthquake was recorded 39 km (24 mi) south-southwest of Anchorage, AK, at 4:48 pm AKDT on 27 October 2026 (00:48 UTC), 43 km deep. 91 people have reported feeling it to USGS.
USGS: 27 km E of Point Possession, Alaska
39 km (24 mi) SSW of Anchorage, AK
- When
- 4:48 pm AKDT on 27 October 2026 ()
- Where
- 39 km (24 mi) south-southwest of Anchorage, AK · earthquakes near Anchorage
- Magnitude
- M 3.5 (ml)
- Depth
- 43 km below the surface
- Felt
- 91 reports · strongest reported intensity III
- Measured shaking
- intensity III (ShakeMap)
- Nearest
- Anchorage Municipality, 58 km ENE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1 hour ago
Earthquake alerts for Anchorage, AK
Get a notification in this browser when USGS records an earthquake near Anchorage, AK. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.
At this magnitude and depth, people at rest would likely notice it out to about 46 km (29 mi) from the epicentre. In Anchorage, 39 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
Likely felt in: Anchorage 39 km, intensity II. Estimated for each town centre; each link is that town's own record.
How big was it?
This earthquake released about 2.7 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.5 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 63,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 2,800× the energy of this one
- Magna, Utah 2020 M 5.7 2,000× the energy of this one
- This earthquake M 3.5 about 2.7 tons of TNT
- Around the size people start to feel M 3.0 this one released 5.6× more
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km since 2016 was M 5.8 on 2018-11-30 — about 2,800 times the energy of this one.
Before 2016, the USGS record lists 10 earthquakes of M5 or more within 50 km; the five largest:
- 6.8 24 km ENE of Sterling, Alaska · 30 km SSW of this epicentre
- 6.4 19 km SSE of Tyonek, Alaska · 47 km W of this epicentre
- 5.8 20 km ENE of Beluga, Alaska · 49 km NW of this epicentre
- 5.5 26 km SSW of Anchorage, Alaska · 13 km NNE of this epicentre
- 5.4 19 km NE of Nikiski, Alaska · 46 km WSW of this epicentre
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 60.8980, -150.1880. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Anchorage Municipality, AK | 58 km (36 mi) | ENE | earthquakes near Anchorage Municipality |
| Kenai Peninsula Borough, AK | 131 km (81 mi) | WSW | earthquakes near Kenai Peninsula Borough |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
1 earthquake has been recorded within 50 km since this one.
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
Revisions
USGS refines a solution as more stations report. Every change we have seen is listed here.
| What changed | From | To | When |
|---|---|---|---|
| felt reports | 90 | 91 | |
| felt reports | 89 | 90 | |
| felt reports | 88 | 89 | |
| felt reports | 86 | 88 | |
| felt reports | 85 | 86 | |
| measured intensity | 2.75 | 2.86 | |
| felt reports | 83 | 85 | |
| felt reports | 82 | 83 | |
| review status | automatic | reviewed | |
| latitude | 60.89 | 60.9 | |
| depth | 47.2 | 43 | |
| felt reports | 77 | 82 |
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.