All earthquakes
0.8
very light
EARTHQUAKE DETAILS

1 km West of Pedemonte

96 months ago · 2 Oct, 21:32

A very light earthquake, probably not felt by people. At this depth the shaking is felt, but rarely causes damage.

Stronger than 16% of Italian events in the past year

Where

1 km West of PedemonteEarthquakes in the province of VicenzaEarthquakes in Veneto

How far away could it be felt?

A quake this small is usually not felt by people: only seismographs record it.

Statistical estimate from the Italian intensity attenuation model (INGV): actual perception depends on geology, buildings and depth. Very shallow events can be felt locally even below the threshold.

Earthquake map

43 events
Magnitude:lightweakmoderatestrong

The energy released

How much energy this quake unleashed, translated into everyday comparisons.

0.2kgof TNT equivalent
Less than the energy of a lightning bolt
M3
A magnitude 3 earthquake releases ×1,995 its energy
M0this quakeM2

Each extra magnitude unit releases about 32 times more energy: an M5 is not "a bit stronger" than an M4 — it is a different league.

Energy estimated with the standard Gutenberg–Richter relation; an average lightning bolt ≈ 1 billion joules. Indicative values.

The race of the seismic waves

Two waves set off from the hypocentre: the faster P wave arrives first with a sharp jolt; the S wave carries the actual shaking.

P waves — the first sharp jolt (~6 km/s)S waves — the strongest shaking (~3.5 km/s)
t ≈ 19 s

Animation sped up ~4× compared to reality.

  • Trento
    22 km from the epicentre
    first tremor in ~5 s
    main shaking in ~8 s
  • Vicenza
    44 km from the epicentre
    first tremor in ~8 s
    main shaking in ~14 s
  • Verona
    57 km from the epicentre
    first tremor in ~10 s
    main shaking in ~17 s
  • Bolzano
    65 km from the epicentre
    first tremor in ~11 s
    main shaking in ~19 s

Theoretical times with average crustal speeds: real values vary with geology. The gap between P and S waves is what earthquake early-warning systems rely on.

How deep it was born

18 km
medium depth
2 times the height of Mount Everest

At this depth the shaking is felt, but rarely causes damage.

deeper than the area average (~6 km)

For the same magnitude, a shallow earthquake is felt much more than a deep one: the energy starts closer to the surface.

What kind of quake is this?

Aftershock

It is an aftershock: it follows a stronger quake (M2.2, 97 months ago) in the same area. Aftershocks are normal after an earthquake and tend to fade over time.

2.2
The mainshock
2 km East of Sant'Orsola Terme
97 months ago · 10 Sept, 09:43
Activity in the area right now (30 km radius)
0
last 24 hours
1
last 7 days
13
last 30 days
26 before16 after
this quake
Strongest of the sequence2.2

How often does it happen here?

about every ~40 days

Within 50 km of this epicentre, a magnitude ≥ 2 earthquake has occurred on average this often: 107 events in the last 12 years of the INGV catalogue.

An average computed on the recent past: it tells how used this area is to shaking, not when the next quake will come — earthquakes cannot be predicted.

The great earthquakes in this area's history

Almost a thousand years of catalogues: the strongest documented events within ~50 km.

16956.4
Asolano earthquake
25 February 1695 · 47 km from here
XCompletely destructive: most buildings are destroyed.
18915.9
Valle d'Illasi earthquake
7 June 1891 · 40 km from here
IXDestructive: many buildings partly or fully collapse.
18365.5
Asolano earthquake
12 June 1836 · 42 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18825.1
Monte Baldo earthquake
18 September 1882 · 47 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Schio-Vicenza

The epicentre lies about 7 km from Schio-Vicenza, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.3between 1 and 15 km deep

Faults are mapped to build better and understand the territory: knowing them says nothing about when an earthquake will occur, which remains unpredictable. Source: DISS 3.3 (INGV, CC BY 4.0).

Other quakes in the area

0.8
2 km West of Albiano
28 km North-West · 1 km
96 months ago
2 Oct, 17:12
0.9
1 km West of Albiano
28 km North-West · 1 km
96 months ago
2 Oct, 17:10
1.0
2 km West of Albiano
28 km North-West · 1 km
96 months ago
1 Oct, 12:49
1.0
1 km South-West of Albiano
27 km North-West · 1 km
96 months ago
1 Oct, 12:40
0.8
1 km West of Fornace
26 km North-West · 1 km
96 months ago
4 Oct, 12:31
0.9
1 km North-West of Albiano
28 km North-West · 1 km
96 months ago
4 Oct, 16:37
1.1
2 km West of Albiano
28 km North-West · 1 km
96 months ago
4 Oct, 16:51
1.0
2 km West of Albiano
29 km North-West · 1 km
96 months ago
4 Oct, 17:52
0.8
2 km East of Albiano
27 km North · 1 km
96 months ago
27 Sept, 17:35
1.1
2 km North-West of Albiano
29 km North-West · 1 km
96 months ago
27 Sept, 17:22

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)

Estimates computed by Meteare on INGV data (Gutenberg–Richter relation; Italian macroseismic intensity attenuation model).

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