ALASKA PENINSULA
20 October 2026, 13:40:41 (+03) 2026-10-20 10:40:41 UTC
- Magnitude
- 5.0 mw
- Depth
- 44.0 km
- Coordinates
- 54.5720, -160.3120
- Data consistency
- 79/100
Regional activity (100 km)
- Last 24 hours
- 0
- Last 7 days
- 2
- Last 30 days
- 28
Approximate energy released
≈ 477 t TNT
2.00e+12 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.
Nearby places
No records.
Nearby faults (50 km)
No mapped fault within 50 km.
Last year, within 100 km
32 earthquakes
By magnitude
- M0 0
- M1 0
- M2 23
- M3 6
- M4 1
- M5 2
- M6 0
- M7 0
- M8+ 0
By depth
- 0–10 km 16
- 10–20 km 7
- 20–40 km 5
- 40–70 km 3
- 70–150 km 1
- 150+ km 0
Largest previous earthquakes within 100 km
Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).
- M5,0 81 km S of Sand Point, Alaska 20.10.2026 · 4 km
- M3,5 ALASKA PENINSULA 12.10.2026 · 16 km
- M3,4 ALASKA PENINSULA 14.10.2026 · 47 km
- M2,9 95 km S of Sand Point, Alaska 20.09.2026 · 28 km
- M2,8 95 km SSE of Sand Point, Alaska 20.09.2026 · 21 km
- M2,7 104 km S of Sand Point, Alaska 19.10.2026 · 31 km
- M2,7 91 km S of Sand Point, Alaska 17.10.2026 · 6 km
- M2,6 140 km S of Sand Point, Alaska 19.10.2026 · 61 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
Displayed
ALASKA PENINSULA
|
5.0 mw | 44.0 km | 10:40:41.620 | Δt 0 sn · 0 km · ΔM 0 | Original record |
|
GFZ GEOFON
Alaska Peninsula
|
5.4 mb | 10.0 km | 10:40:37.200 | Δt 4.42 sn · 6.3 km · ΔM +0.4 | 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 GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0
Revision history
-
21.10.2026 09:54:21 · EMSC · update
depth: 10 → 44 latitude: 54.6175 → 54.572 longitude: -160.3286 → -160.312 time: 2026-10-20T10:40:37.120+00:00 → 2026-10-20T10:40:41.620+00:00
-
21.10.2026 09:54:21 · SISTEM · recompute
depth: 10 → 44 latitude: 54.6175 → 54.572 longitude: -160.3286 → -160.312 time: 2026-10-20T10:40:37.120Z → 2026-10-20 10:40:41.620+00:00
-
20.10.2026 15:52:39 · EMSC · update
depth: 35 → 10 latitude: 54.6088 → 54.6175 longitude: -160.3291 → -160.3286 time: 2026-10-20T10:40:40.968+00:00 → 2026-10-20T10:40:37.120+00:00
-
20.10.2026 15:52:39 · SISTEM · recompute
depth: 35 → 10 latitude: 54.6088 → 54.6175 longitude: -160.3291 → -160.3286 time: 2026-10-20T10:40:40.968Z → 2026-10-20 10:40:37.120+00:00
-
20.10.2026 13:59:57 · GFZ · update
latitude: 54.67 → 54.612 longitude: -160.371 → -160.381 time: 2026-10-20T10:40:37.800+00:00 → 2026-10-20T10:40:37.200+00:00
-
20.10.2026 13:59:27 · EMSC · update
depth: 7.4 → 35 latitude: 54.6341 → 54.6088 longitude: -160.3069 → -160.3291 magnitude: 5.3 → 5 time: 2026-10-20T10:40:37.260+00:00 → 2026-10-20T10:40:40.968+00:00 magnitude type: m → mw
-
20.10.2026 13:59:27 · SISTEM · recompute
depth: 7.4 → 35 latitude: 54.6341 → 54.6088 longitude: -160.3069 → -160.3291 magnitude: 5.3 → 5 time: 2026-10-20T10:40:37.260Z → 2026-10-20 10:40:40.968+00:00 magnitude type: m → mw
-
20.10.2026 13:57:23 · EMSC · update
depth: 28 → 7.4 latitude: 54.7013 → 54.6341 longitude: -160.1971 → -160.3069 time: 2026-10-20T10:40:40.810+00:00 → 2026-10-20T10:40:37.260+00:00
-
20.10.2026 13:57:23 · SISTEM · recompute
depth: 28 → 7.4 latitude: 54.7013 → 54.6341 longitude: -160.1971 → -160.3069 time: 2026-10-20T10:40:40.810Z → 2026-10-20 10:40:37.260+00:00
-
20.10.2026 13:55:52 · GFZ · update
latitude: 54.686 → 54.67 longitude: -160.287 → -160.371 magnitude: 5.3 → 5.4 time: 2026-10-20T10:40:38.780+00:00 → 2026-10-20T10:40:37.800+00:00
-
20.10.2026 13:51:59 · EMSC · update
depth: 21 → 28 latitude: 54.6897 → 54.7013 longitude: -160.1976 → -160.1971 time: 2026-10-20T10:40:40.330+00:00 → 2026-10-20T10:40:40.810+00:00
-
20.10.2026 13:51:59 · SISTEM · recompute
depth: 21 → 28 latitude: 54.6897 → 54.7013 longitude: -160.1976 → -160.1971 time: 2026-10-20T10:40:40.330Z → 2026-10-20 10:40:40.810+00:00
-
20.10.2026 13:49:55 · SISTEM · recompute
depth: 10 → 21 latitude: 54.686 → 54.6897 longitude: -160.287 → -160.1976 time: 2026-10-20T10:40:38.780Z → 2026-10-20 10:40:40.330+00:00 source count: 1 → 2 magnitude type: mb → m confirming sources: gfz → emsc,gfz preferred source: 5 → 3
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