QuakeScout
Magnitude2.3

Reported by EMSC25d ago

M2.3 earthquake in Austria

Wednesday, September 2, 2026, 15:26:55 UTC · 47.225°N, 11.487°E

A magnitude 2.3 earthquake struck in Austria on Wednesday, September 2, 2026, 15:26:55 UTC, at a depth of 10.0 km (shallow).

Magnitude
2.3
Minor · ml
Depth
10 km
Shallow
Reported by
EMSC
Agency EMSC
Nearest tracker
265 km
from Ljubljana

Outlined circle: this earthquakeDashed circle: 50 km aftershock search area

In context

How big was it, and why here?

Energy released

43 kg of TNT

That is about 1/354,275 of the Hiroshima bomb. A magnitude 5.0 releases about 11,220 times more energy.

Tectonic setting

514 km

from the nearest mapped plate boundary, between the North American and Pacific plates. Earthquakes this far from a boundary happen on faults inside a plate, often less frequently but sometimes strongly.

Depth: shallow

10 km

Shallow earthquakes (under 70 km) produce the strongest surface shaking for their size, so they are the ones most likely to cause damage near the epicenter.

After the main event

Aftershocks within 50 km

USGS and EMSC list 2 M2.5+ earthquakes within 50 km since this event; the largest was M3.5 on September 26, 2026. Most nearby activity right after a large earthquake is aftershocks, which usually become less frequent over days and weeks.

M31h6h1d3d7d14dMainshock M2.3
Time after the mainshock on a logarithmic scale (first hours stretched), magnitude on the vertical axis. M2.5+ events from USGS.
  1. 3.50 km NNW of Baumkirchen, Austria1d ago · 11 km NE of this epicenter

Regional history

Past M5+ earthquakes within 300 km

USGS lists 72 M5.0+ earthquakes within 300 km before this one (catalog from 1900; older records are less complete). The strongest:

  1. 6.53 km SW of Prato, ItalyMay 6, 1976 · 167 km SE of this epicenter
  2. 6.11 km WNW of Lestans, ItalyJune 17, 1976 · 158 km SE of this epicenter
  3. 6.05 km NNE of Isola, ItalySeptember 15, 1976 · 166 km SE of this epicenter
  4. 6.04 km NNE of Massa Finalese, ItalyMay 20, 2012 · 260 km S of this epicenter
  5. 6.04 km SE of Zuglio, ItalyMarch 27, 1928 · 149 km SE of this epicenter
  6. 5.92 km SSE of Jungingen, GermanyNovember 16, 1911 · 218 km NW of this epicenter
  7. 5.91 km SSW of Venzone, ItalySeptember 15, 1976 · 161 km SE of this epicenter
  8. 5.95 km SW of Chiaulis, ItalyMay 7, 1976 · 148 km SE of this epicenter

History · NOAA

Deadliest earthquakes in this area

NOAA’s significant-earthquake database lists 46 damaging, deadly or tsunami-generating earthquakes within 300 km of this epicenter since 1700, which together caused about 1,086 recorded deaths. The most severe:

  1. 1976M6.5

    Ne, Balkans Nw: Slovenia: Nw

    6 May 1976 · 167 km away · intensity X

    978 deaths$3.6 billion damage

  2. 1873

    Bellunese

    29 Jun 1873 · 134 km away · intensity X

    55 deathsModerate damage ($1–5M)

  3. 2012M5.9

    Emilia Romagna: Medolla, Mirandola, Cavezzo

    29 May 2012 · 266 km away

    17 deaths$16 billion damage

  4. 1976M6.0

    Northeastern

    15 Sep 1976 · 166 km away · intensity IX

    11 deathsModerate damage ($1–5M)

  5. 2012M6.1

    Emilia Romagna: Mirandola

    20 May 2012 · 260 km away

    7 deathsExtreme damage ($25M+)

  6. 1895M6.1

    Slovenia: Ljubljana

    14 Apr 1895 · 262 km away · intensity IX

    7 deathsSevere damage ($5–24M)

NOAA NCEI Global Significant Earthquake Database. Historical figures are estimates; older records are incomplete.

Nearby trackers

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