Earthquake · reviewed by a seismologist
M 1.6ml
Earthquake near Kalifornsky, AK
No earthquake was likely felt in Kalifornsky in the 24 hours to 8:08 pm AKST (05:08 UTC). The last one was M 4.3, 31 km (20 mi) SE, at 2:30 am AKST on 1 November 2026, estimated intensity II (weak) in town; 115 felt reports to USGS. Every earthquake near Kalifornsky
This page: a magnitude 1.6 earthquake was recorded 37 km (23 mi) south-southwest of Kalifornsky, AK, at 6:43 am AKST on 13 February 2026 (15:43 UTC), 5.9 km deep.
USGS: 8 km NNE of Ninilchik, Alaska
- When
- 6:43 am AKST on 13 February 2026 ()
- Where
- 37 km (23 mi) south-southwest of Kalifornsky, AK · earthquakes near Kalifornsky
- Magnitude
- M 1.6 (ml)
- Depth
- 5.9 km below the surface
- Felt
- no reports yet
- Nearest
- Kenai Peninsula Borough, 49 km NW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 269 days ago
Earthquake alerts for Kalifornsky, AK
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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 minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 9 km (6 mi) from the epicentre. In Kalifornsky, 37 km away, the estimate is intensity I (not felt). 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.
How big was it?
This earthquake released about 7.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 2,000,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
- Around the size people start to feel M 3.0 130× the energy of this one
- This earthquake M 1.6 about 7.6 lb of TNT
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 5.3 on 2017-05-07 — about 350,000 times the energy of this one.
Before 2016, the USGS record lists 8 earthquakes of M5 or more within 50 km; the five largest:
- 6.2 16 km WNW of Happy Valley, Alaska · 26 km WSW of this epicentre
- 5.9 13 km N of Fox River, Alaska · 37 km ESE of this epicentre
- 5.8 23 km WNW of Happy Valley, Alaska · 32 km WSW of this epicentre
- 5.5 13 km NW of Happy Valley, Alaska · 21 km WSW of this epicentre
- 5.5 39 km WNW of Ninilchik, Alaska · 43 km W 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 60.1150, -151.5850. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Kenai Peninsula Borough, AK | 49 km (31 mi) | NW | earthquakes near Kenai Peninsula Borough |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
58 earthquakes have been recorded within 50 km since this one.
- 1.7 11 km SSE of Kasilof, Alaska
- 2.3 34 km WNW of Clam Gulch, Alaska
- 1.6 22 km WNW of Clam Gulch, Alaska
- 1.9 11 km NNE of Fritz Creek, Alaska
- 1.7 7 km SE of Ninilchik, Alaska
- 2.1 6 km NE of Nikolaevsk, Alaska
- 2.0 21 km NW of Ninilchik, Alaska
- 2.1 13 km ENE of Ninilchik, Alaska
- 1.9 22 km WNW of Kalifornsky, Alaska
- 2.1 17 km NE of Nikolaevsk, Alaska
- 2.1 4 km NNW of Fritz Creek, Alaska
- 2.2 15 km WNW of Anchor Point, Alaska
- 1.9 7 km N of Ninilchik, Alaska
- 1.9 15 km ESE of Clam Gulch, Alaska
- 1.8 15 km E of Ninilchik, Alaska
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.
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.