ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 2.2 on date 25-12-2018 and time 01:04:29 (UTC) in region 6 km W Zafferana Etnea (CT)

A magnitude ML 2.2 earthquake occured in region: 6 km W Zafferana Etnea (CT), on

  • 25-12-2018 01:04:29 (UTC)
  • 25-12-2018 02:04:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.72, 15.04 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 6 9517 9517
Milo CT 7 1087 10604
Santa Venerina CT 9 8592 19196
Sant'Alfio CT 10 1582 20778
Pedara CT 11 14102 34880
Nicolosi CT 12 7463 42343
Trecastagni CT 12 10910 53253
Giarre CT 13 27659 80912
Viagrande CT 13 8563 89475
Ragalna CT 13 3924 93399
Mascali CT 14 14282 107681
Riposto CT 15 14838 122519
Aci Sant'Antonio CT 15 17984 140503
Aci Bonaccorsi CT 15 3524 144027
Belpasso CT 15 28108 172135
Aci Catena CT 16 29851 201986
Piedimonte Etneo CT 16 3963 205949
Tremestieri Etneo CT 16 20589 226538
Mascalucia CT 16 31958 258496
San Pietro Clarenza CT 16 7743 266239
Acireale CT 16 52622 318861
Linguaglossa CT 16 5403 324264
San Giovanni la Punta CT 16 23060 347324
Fiumefreddo di Sicilia CT 17 9623 356947
Camporotondo Etneo CT 17 5023 361970
Valverde CT 17 7840 369810
Biancavilla CT 17 24007 393817
Santa Maria di Licodia CT 18 7641 401458
Gravina di Catania CT 18 25838 427296
San Gregorio di Catania CT 18 11966 439262
Sant'Agata li Battiati CT 18 9479 448741
Adrano CT 19 36122 484863
Randazzo CT 20 10900 495763
Castiglione di Sicilia CT 20 3215 498978
Maletto CT 20 3920 502898
Bronte CT 20 19172 522070
Paternò CT 20 48228 570298

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Acireale (52622 inhabitants)
24 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
77 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
99 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 2.2 2018-12-25
01:04:29
37.72 15.04 3 2018-12-26
13:30:55
Sala Operativa INGV-OE (Catania) 64243141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 01:04:29 ± 0
Latitude 37.72
Longitude 15.04
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 64243141

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:2.2

Field Value
Value 2.2
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243141
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:30:55
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