Earthquake with magnitude of ML 1.5 on date 28-12-2023 and time 20:35:56 (Italy) in region 2 km E Fiumefreddo di Sicilia (CT)

A magnitude ML 1.5 earthquake occured in region: 2 km E Fiumefreddo di Sicilia (CT), on

  • 28-12-2023 19:35:56 (UTC)
  • 28-12-2023 20:35:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7970, 15.2300 at 6 km depth.

The earthquake was located by: Sala Operativa INGV_OE (Catania).

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fiumefreddo di Sicilia CT 2 9623 9623
Calatabiano CT 3 5308 14931
Piedimonte Etneo CT 5 3963 18894
Mascali CT 5 14282 33176
Giardini-Naxos ME 7 9415 42591
Gaggi ME 7 3184 45775
Riposto CT 8 14838 60613
Taormina ME 8 10960 71573
Castelmola ME 8 1088 72661
Giarre CT 8 27659 100320
Linguaglossa CT 9 5403 105723
Sant'Alfio CT 9 1582 107305
Graniti ME 11 1492 108797
Letojanni ME 12 2861 111658
Motta Camastra ME 12 845 112503
Mongiuffi Melia ME 13 600 113103
Milo CT 13 1087 114190
Gallodoro ME 13 367 114557
Castiglione di Sicilia CT 14 3215 117772
Francavilla di Sicilia ME 14 3945 121717
Santa Venerina CT 15 8592 130309
Roccafiorita ME 15 197 130506
Zafferana Etnea CT 16 9517 140023
Forza d'Agrò ME 16 911 140934
Limina ME 17 836 141770
Sant'Alessio Siculo ME 17 1554 143324
Moio Alcantara ME 19 717 144041
Casalvecchio Siculo ME 20 842 144883

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Acireale (52622 inhabitants)
35 Km NE of Catania (314555 inhabitants)
50 Km SW of Reggio di Calabria (183035 inhabitants)
53 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
ML 1.5 2023-12-28
19:35:56
37.797 15.23 6 2023-12-28
19:40:49
Sala Operativa INGV_OE (Catania) 124329701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-28 19:35:56
Latitude 37.7970
Longitude 15.2300
Depth (km) 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 124329701

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 124329701
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-12-28 19:40:49
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download