ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 1.9 on date 25-12-2018 and time 02:03:31 (UTC) in region 7 km W Zafferana Etnea (CT)

A magnitude ML 1.9 earthquake occured in region: 7 km W Zafferana Etnea (CT), on

  • 25-12-2018 02:03:31 (UTC)
  • 25-12-2018 03:03:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7, 15.02 at 2 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 10 14102 32169
Santa Venerina CT 11 8592 40761
Ragalna CT 11 3924 44685
Trecastagni CT 11 10910 55595
Sant'Alfio CT 12 1582 57177
Viagrande CT 12 8563 65740
Belpasso CT 13 28108 93848
Aci Bonaccorsi CT 14 3524 97372
Aci Sant'Antonio CT 14 17984 115356
San Pietro Clarenza CT 15 7743 123099
Mascalucia CT 15 31958 155057
Giarre CT 15 27659 182716
Biancavilla CT 15 24007 206723
Tremestieri Etneo CT 15 20589 227312
Camporotondo Etneo CT 15 5023 232335
Santa Maria di Licodia CT 15 7641 239976
San Giovanni la Punta CT 16 23060 263036
Aci Catena CT 16 29851 292887
Gravina di Catania CT 16 25838 318725
Acireale CT 17 52622 371347
Riposto CT 17 14838 386185
Mascali CT 17 14282 400467
Valverde CT 17 7840 408307
Sant'Agata li Battiati CT 17 9479 417786
Adrano CT 17 36122 453908
San Gregorio di Catania CT 17 11966 465874
Paternò CT 18 48228 514102
Piedimonte Etneo CT 18 3963 518065
Linguaglossa CT 19 5403 523468
Bronte CT 19 19172 542640
Fiumefreddo di Sicilia CT 19 9623 552263
Maletto CT 19 3920 556183
Aci Castello CT 20 18723 574906

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)
88 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 1.9 2018-12-25
02:03:31
37.71 15.02 2 2018-12-26
13:50:10
Sala Operativa INGV-OE (Catania) 64243591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 02:03:31 ± 0
Latitude 37.71
Longitude 15.02
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243591

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:1.9

Field Value
Value 1.9
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243591
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:50:10
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