INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.4 on date 25-12-2018 and time 02:33:10 (Italy) in region 2 km W Zafferana Etnea (CT)

A magnitude ML 2.4 earthquake occured in region: 2 km W Zafferana Etnea (CT), on

  • 25-12-2018 01:33:10 (UTC)
  • 25-12-2018 02:33:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.69, 15.08 at 3 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
Zafferana Etnea CT 2 9517 9517
Milo CT 5 1087 10604
Santa Venerina CT 5 8592 19196
Trecastagni CT 8 10910 30106
Sant'Alfio CT 8 1582 31688
Pedara CT 8 14102 45790
Viagrande CT 9 8563 54353
Nicolosi CT 10 7463 61816
Aci Sant'Antonio CT 10 17984 79800
Giarre CT 10 27659 107459
Aci Bonaccorsi CT 11 3524 110983
Aci Catena CT 11 29851 140834
Acireale CT 12 52622 193456
Riposto CT 12 14838 208294
San Giovanni la Punta CT 13 23060 231354
Mascali CT 13 14282 245636
Tremestieri Etneo CT 13 20589 266225
Valverde CT 13 7840 274065
Mascalucia CT 13 31958 306023
San Pietro Clarenza CT 14 7743 313766
San Gregorio di Catania CT 14 11966 325732
Ragalna CT 14 3924 329656
Belpasso CT 14 28108 357764
Gravina di Catania CT 15 25838 383602
Sant'Agata li Battiati CT 15 9479 393081
Camporotondo Etneo CT 15 5023 398104
Piedimonte Etneo CT 16 3963 402067
Aci Castello CT 16 18723 420790
Fiumefreddo di Sicilia CT 16 9623 430413
Linguaglossa CT 18 5403 435816
Santa Maria di Licodia CT 19 7641 443457
Biancavilla CT 19 24007 467464
Calatabiano CT 20 5308 472772
Misterbianco CT 20 49410 522182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of Acireale (52622 inhabitants)
21 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
73 Km N of Siracusa (122291 inhabitants)
91 Km NE of Ragusa (73313 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
97 Km N of Modica (54633 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
Rev 200 ML 2.4 2018-12-25
01:33:10
37.69 15.08 3 2018-12-26
13:42:32
Sala Operativa INGV-OE (Catania) 64243411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 01:33:10 ± 0
Latitude 37.69
Longitude 15.08
Depth (km) 3 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243411

Uncertainty

Field Value
Preferred uncertainty description
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) 0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
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)
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:2.4

Field Value
Value 2.4
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243411
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:42:32
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download