All earthquakes
2.0
light
EARTHQUAKE DETAILS

19 km East of Taormina

102 months ago · 28 Jan, 04:43

A light earthquake, rarely felt by people. At only a few km deep the shaking is felt more sharply at the surface.

Stronger than 88% of Italian events in the past year

Where

19 km East of TaorminaEarthquakes in the province of MessinaEarthquakes in Sicilia

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

3 events
Magnitude:lightweakmoderatestrong

The energy released

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

15kgof TNT equivalent
Less than the energy of a lightning bolt
M3
A magnitude 3 earthquake releases ×32 its energy
M1this quakeM3

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 ≈ 16 s

Animation sped up ~3× compared to reality.

  • Acireale
    34 km from the epicentre
    first tremor in ~6 s
    main shaking in ~10 s
  • Reggio di Calabria
    40 km from the epicentre
    first tremor in ~7 s
    main shaking in ~12 s
  • Messina
    44 km from the epicentre
    first tremor in ~8 s
    main shaking in ~13 s
  • Catania
    54 km from the epicentre
    first tremor in ~9 s
    main shaking in ~16 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

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

in line with the area average (~12 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?

Isolated quake

In the 30 days around this event no other quakes were recorded within 30 km: a one-off episode, very common in Italy.

Activity in the area right now (30 km radius)
0
last 24 hours
6
last 7 days
17
last 30 days
0 before2 after
this quake
Strongest of the sequence1.8

How often does it happen here?

about every ~2 days

Within 50 km of this epicentre, a magnitude ≥ 2 earthquake has occurred on average this often: 1675 events in the last 11 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.

19087.1
Stretto di Messina earthquake
28 December 1908 · 43 km from here
XICatastrophic: very few buildings remain standing; landslides and ground cracks.
18186.3
Catanese earthquake
20 February 1818 · 38 km from here
IX-XCompletely destructive: most buildings are destroyed.
17495.8
Messina earthquake
August 1749 · 44 km from here
VIII-IXDestructive: many buildings partly or fully collapse.
15095.6
Stretto di Messina earthquake
25 February 1509 · 38 km from here
IXDestructive: many buildings partly or fully collapse.

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

The closest seismic structure

Aspromonte-Peloritani

The epicentre lies about 4 km from Aspromonte-Peloritani, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.3between 2 and 13 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

1.8
3 km South of Giardini-Naxos
21 km West · 25 km
102 months ago
9 Feb, 07:30
1.6
19 km South-East of Taormina
3 km South-West · 21 km
102 months ago
10 Feb, 00:07

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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