All earthquakes
1.3
very light
EARTHQUAKE DETAILS

5 km North-West of Recoaro Terme

11 months ago · 26 Sept, 03:32

A very light earthquake, probably not felt by people. At only a few km deep the shaking is felt more sharply at the surface.

Stronger than 55% of Italian events in the past year

Where

5 km North-West of Recoaro TermeEarthquakes 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

15 events
Magnitude:lightweakmoderatestrong

The energy released

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

1.3kgof TNT equivalent
Less than the energy of a lightning bolt
M3
A magnitude 3 earthquake releases ×355 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.

  • Verona
    34 km from the epicentre
    first tremor in ~6 s
    main shaking in ~10 s
  • Trento
    36 km from the epicentre
    first tremor in ~6 s
    main shaking in ~11 s
  • Vicenza
    36 km from the epicentre
    first tremor in ~6 s
    main shaking in ~11 s
  • Padova
    67 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

9 km
shallow
1 times the height of Mount Everest

At only a few km deep the shaking is felt more sharply at the surface.

in line with the area average (~7 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
9
last 30 days
8 before6 after
this quake
Strongest of the sequence2.0

How often does it happen here?

about every ~33 days

Within 50 km of this epicentre, a magnitude ≥ 2 earthquake has occurred on average this often: 128 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.

18915.9
Valle d'Illasi earthquake
7 June 1891 · 18 km from here
IXDestructive: many buildings partly or fully collapse.
12225.7
Bresciano-Veronese earthquake
25 December 1222 · 47 km from here
19325.2
Garda orientale earthquake
19 February 1932 · 35 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18825.1
Monte Baldo earthquake
18 September 1882 · 30 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 10 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
5 km South-West of Rovereto
16 km North-West · 15 km
11 months ago
26 Sept, 14:56
1.3
3 km South-West of Mori
22 km North-West · 16 km
11 months ago
2 Oct, 05:08
0.9
11 months ago
17 Sept, 22:20
1.1
11 months ago
5 Oct, 15:00
1.1
5 km South-West of Rovereto
16 km North-West · 13 km
11 months ago
14 Sept, 22:31
2.0
5 km South-East of Ala
6 km West · 8 km
12 months ago
13 Sept, 13:06
1.1
5 km South of Brentonico
16 km West · 13 km
12 months ago
10 Sept, 00:45
1.2
2 km South of Badia Calavena
18 km South · 19 km
11 months ago
13 Oct, 05:55
1.0
2 km South-West of Mori
21 km North-West · 15 km
12 months ago
8 Sept, 08:54
1.2
11 months ago
13 Oct, 23:56

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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