37 km WNW of Ninilchik, Alaska
21 October 2026, 14:28:52 (+03) 2026-10-21 11:28:52 UTC
- Magnitude
- 2.9 ml
- Depth
- 97.3 km
- Coordinates
- 60.1460, -152.3210
- Data consistency
- 90/100
Regional activity (100 km)
- Last 24 hours
- 3
- Last 7 days
- 16
- Last 30 days
- 55
Approximate energy released
≈ 0.3 t TNT
1.41e+9 J
Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).
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Community reports
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- Community intensity
- Typical duration
- Farthest report
- felt it
Estimated, close to the MMI scale
Intensity distribution
Provinces with reports
Reported effects
Squares on the map show community reports (~11 km grid; colour = estimated intensity).
Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.
Impact information reported by sources
- USGS Earthquake Hazards Program Tsunami flag: No
These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.
Nearby places
No records.
Nearby faults (50 km)
No mapped fault within 50 km.
Last year, within 100 km
69 earthquakes
By magnitude
- M0 0
- M1 0
- M2 55
- M3 13
- M4 1
- M5 0
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 0
- 10–20 km 0
- 20–40 km 0
- 40–70 km 15
- 70–150 km 52
- 150+ km 2
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M3,5 52 km E of Pedro Bay, Alaska 19.10.2026 · 60 km
- M3,1 5 km N of Nikiski, Alaska 16.10.2026 · 88 km
- M3,1 KENAI PENINSULA, ALASKA 09.10.2026 · 83 km
- M3,0 SOUTHERN ALASKA 11.10.2026 · 36 km
- M2,8 28 km WNW of Nanwalek, Alaska 21.10.2026 · 72 km
- M2,8 SOUTHERN ALASKA 17.10.2026 · 27 km
- M2,8 57 km E of Pedro Bay, Alaska 15.10.2026 · 65 km
- M2,8 SOUTHERN ALASKA 23.09.2026 · 44 km
Comparison with past records
…
No earlier earthquakes are recorded in this area.
- Source:
Where does this earthquake come from?
Source comparison
| Agency | Magnitude | Depth | Time (UTC) | Difference from master | Original record |
|---|---|---|---|---|---|
|
EMSC-CSEM
SOUTHERN ALASKA
|
2.9 ml | 94.7 km | 11:28:52.258 | Δt 0.11 sn · 5.92 km · ΔM 0 | Original record |
|
USGS Earthquake Hazards Program
Displayed
37 km WNW of Ninilchik, Alaska
|
2.9 ml | 97.3 km | 11:28:52.152 | Δt 0 sn · 0 km · ΔM 0 | Original record |
This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)
Revision history
-
21.10.2026 19:26:27 · USGS · update
depth: 97.5 → 97.3 latitude: 60.15 → 60.146 longitude: -152.322 → -152.321 time: 2026-10-21T11:28:52.120+00:00 → 2026-10-21T11:28:52.152+00:00 location: 38 km WNW of Ninilchik, Alaska → 37 km WNW of Ninilchik, Alaska review status: automatic → reviewed
-
21.10.2026 19:26:27 · SISTEM · recompute
depth: 94.7 → 97.3 latitude: 60.1695 → 60.146 longitude: -152.4167 → -152.321 time: 2026-10-21T11:28:52.258Z → 2026-10-21 11:28:52.152+00:00 review status: automatic → reviewed preferred source: 3 → 4
-
21.10.2026 17:39:59 · SISTEM · recompute
depth: 97.5 → 94.7 latitude: 60.15 → 60.1695 longitude: -152.322 → -152.4167 time: 2026-10-21T11:28:52.120Z → 2026-10-21 11:28:52.258+00:00 source count: 1 → 2 confirming sources: usgs → emsc,usgs preferred source: 4 → 3
-
21.10.2026 14:32:59 · USGS · update
depth: 97.4 → 97.5 latitude: 60.149 → 60.15 longitude: -152.335 → -152.322 magnitude: 2.8 → 2.9 time: 2026-10-21T11:28:52.160+00:00 → 2026-10-21T11:28:52.120+00:00
-
21.10.2026 14:32:59 · SISTEM · recompute
depth: 97.4 → 97.5 latitude: 60.149 → 60.15 longitude: -152.335 → -152.322 magnitude: 2.8 → 2.9 time: 2026-10-21T11:28:52.160Z → 2026-10-21 11:28:52.120+00:00
-
21.10.2026 14:31:38 · USGS · update
depth: 100.1 → 97.4 latitude: 60.15 → 60.149 longitude: -152.394 → -152.335 magnitude: 2.6 → 2.8 time: 2026-10-21T11:28:51.939+00:00 → 2026-10-21T11:28:52.160+00:00 location: 41 km WNW of Ninilchik, Alaska → 38 km WNW of Ninilchik, Alaska
-
21.10.2026 14:31:38 · SISTEM · recompute
depth: 100.1 → 97.4 latitude: 60.15 → 60.149 longitude: -152.394 → -152.335 magnitude: 2.6 → 2.8 time: 2026-10-21T11:28:51.939Z → 2026-10-21 11:28:52.160+00:00
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