INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 25-12-2018 and time 02:51:02 (Italy) in region 7 km W Zafferana Etnea (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km W Zafferana Etnea (CT), on

  • 25-12-2018 01:51:02 (UTC)
  • 25-12-2018 02:51:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.72, 15.03 at 1 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 7 9517 9517
Milo CT 8 1087 10604
Santa Venerina CT 10 8592 19196
Sant'Alfio CT 10 1582 20778
Pedara CT 12 14102 34880
Nicolosi CT 12 7463 42343
Trecastagni CT 12 10910 53253
Ragalna CT 13 3924 57177
Viagrande CT 14 8563 65740
Giarre CT 14 27659 93399
Belpasso CT 15 28108 121507
Mascali CT 15 14282 135789
Aci Bonaccorsi CT 15 3524 139313
Aci Sant'Antonio CT 15 17984 157297
Riposto CT 15 14838 172135
Piedimonte Etneo CT 16 3963 176098
Aci Catena CT 16 29851 205949
San Pietro Clarenza CT 16 7743 213692
Mascalucia CT 16 31958 245650
Tremestieri Etneo CT 16 20589 266239
Biancavilla CT 17 24007 290246
Linguaglossa CT 17 5403 295649
San Giovanni la Punta CT 17 23060 318709
Acireale CT 17 52622 371331
Camporotondo Etneo CT 17 5023 376354
Santa Maria di Licodia CT 17 7641 383995
Fiumefreddo di Sicilia CT 18 9623 393618
Valverde CT 18 7840 401458
Gravina di Catania CT 18 25838 427296
Sant'Agata li Battiati CT 19 9479 436775
Adrano CT 19 36122 472897
San Gregorio di Catania CT 19 11966 484863
Maletto CT 19 3920 488783
Bronte CT 19 19172 507955
Randazzo CT 19 10900 518855
Paternò CT 20 48228 567083
Castiglione di Sicilia CT 20 3215 570298
Moio Alcantara ME 20 717 571015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Acireale (52622 inhabitants)
25 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)
89 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)
100 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
01:51:02
37.72 15.03 1 2018-12-26
13:47:41
Sala Operativa INGV-OE (Catania) 64243521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 01:51:02 ± 0
Latitude 37.72
Longitude 15.03
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243521

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 64243521
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:47:41
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