INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 25-12-2018 and time 03:26:50 (Italy) in region 8 km W Zafferana Etnea (CT)

A magnitude ML 2.1 earthquake occured in region: 8 km W Zafferana Etnea (CT), on

  • 25-12-2018 02:26:50 (UTC)
  • 25-12-2018 03:26:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.71, 15.02 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 8 9517 9517
Milo CT 9 1087 10604
Nicolosi CT 10 7463 18067
Pedara CT 11 14102 32169
Ragalna CT 11 3924 36093
Santa Venerina CT 11 8592 44685
Trecastagni CT 11 10910 55595
Sant'Alfio CT 12 1582 57177
Viagrande CT 13 8563 65740
Belpasso CT 13 28108 93848
Aci Bonaccorsi CT 15 3524 97372
Biancavilla CT 15 24007 121379
Aci Sant'Antonio CT 15 17984 139363
San Pietro Clarenza CT 15 7743 147106
Santa Maria di Licodia CT 15 7641 154747
Mascalucia CT 15 31958 186705
Giarre CT 15 27659 214364
Tremestieri Etneo CT 15 20589 234953
Camporotondo Etneo CT 15 5023 239976
San Giovanni la Punta CT 16 23060 263036
Aci Catena CT 16 29851 292887
Gravina di Catania CT 17 25838 318725
Riposto CT 17 14838 333563
Mascali CT 17 14282 347845
Adrano CT 17 36122 383967
Acireale CT 17 52622 436589
Valverde CT 17 7840 444429
Sant'Agata li Battiati CT 17 9479 453908
Paternò CT 17 48228 502136
San Gregorio di Catania CT 18 11966 514102
Piedimonte Etneo CT 18 3963 518065
Bronte CT 18 19172 537237
Linguaglossa CT 19 5403 542640
Maletto CT 19 3920 546560
Fiumefreddo di Sicilia CT 20 9623 556183

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Acireale (52622 inhabitants)
23 Km N of Catania (314555 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
72 Km SW of Messina (238439 inhabitants)
76 Km NW of Siracusa (122291 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
90 Km N of Ragusa (73313 inhabitants)
94 Km NE of Vittoria (63339 inhabitants)
97 Km N of Modica (54633 inhabitants)
98 Km NE of Gela (75827 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 2.1 2018-12-25
02:26:50
37.71 15.02 3 2018-12-26
13:54:13
Sala Operativa INGV-OE (Catania) 64243721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 02:26:50 ± 0
Latitude 37.71
Longitude 15.02
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 64243721

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:2.1

Field Value
Value 2.1
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243721
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:54:13
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