All earthquakes
1.2
very light
EARTHQUAKE DETAILS

2 km South of Badia Calavena

11 months ago · 13 Oct, 05:55

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

Stronger than 47% of Italian events in the past year

Where

2 km South of Badia CalavenaEarthquakes in the province of VeronaEarthquakes 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

9 events
Magnitude:lightweakmoderatestrong

The energy released

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

1.0kgof TNT equivalent
Less than the energy of a lightning bolt
M3
A magnitude 3 earthquake releases ×501 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 ≈ 18 s

Animation sped up ~3× compared to reality.

  • Verona
    17 km from the epicentre
    first tremor in ~4 s
    main shaking in ~7 s
  • Vicenza
    32 km from the epicentre
    first tremor in ~6 s
    main shaking in ~11 s
  • Trento
    54 km from the epicentre
    first tremor in ~10 s
    main shaking in ~16 s
  • Padova
    60 km from the epicentre
    first tremor in ~10 s
    main shaking in ~18 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

19 km
medium depth
2.1 times the height of Mount Everest

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

deeper than the area average (~11 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 (M2.0, 12 months ago) in the same area. Aftershocks are normal after an earthquake and tend to fade over time.

2.0
The mainshock
5 km South-East of Ala
12 months ago · 13 Sept, 13:06
Activity in the area right now (30 km radius)
0
last 24 hours
1
last 7 days
8
last 30 days
3 before5 after
this quake
Strongest of the sequence2.0

How often does it happen here?

about every ~32 days

Within 50 km of this epicentre, a magnitude ≥ 2 earthquake has occurred on average this often: 134 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.

11176.5
Veronese earthquake
3 January 1117 · 34 km from here
IXDestructive: many buildings partly or fully collapse.
18915.9
Valle d'Illasi earthquake
7 June 1891 · 1 km from here
IXDestructive: many buildings partly or fully collapse.
12225.7
Bresciano-Veronese earthquake
25 December 1222 · 41 km from here
19325.2
Garda orientale earthquake
19 February 1932 · 34 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.

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

The closest seismic structure

Adige Plain

The epicentre lies about 18 km from Adige Plain, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.2between 3 and 14 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

1.2
3 km East of Valli del Pasubio
23 km North-East · 11 km
11 months ago
13 Oct, 23:56
1.2
3 km South-East of Brentonico
29 km North-West · 15 km
10 months ago
17 Oct, 17:53
1.1
6 km South-East of Brentonico
28 km North-West · 11 km
11 months ago
5 Oct, 15:00
1.3
11 months ago
26 Sept, 03:32
1.4
5 km South-West of Vallarsa
23 km North · 12 km
10 months ago
31 Oct, 04:40
1.8
2 km West of Vallarsa
26 km North · 12 km
10 months ago
31 Oct, 21:29
1.3
5 km South-East of Brentonico
28 km North-West · 13 km
10 months ago
8 Nov, 04:58
2.0
5 km South-East of Ala
17 km North · 8 km
12 months ago
13 Sept, 13:06

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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