INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 25-12-2018 and time 08:11:24 (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 07:11:24 (UTC)
  • 25-12-2018 08:11:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.72, 15.03 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 7 9517 9517
Milo CT 8 1087 10604
Santa Venerina CT 10 8592 19196
Sant'Alfio CT 11 1582 20778
Nicolosi CT 11 7463 28241
Pedara CT 11 14102 42343
Trecastagni CT 12 10910 53253
Ragalna CT 12 3924 57177
Viagrande CT 13 8563 65740
Giarre CT 14 27659 93399
Belpasso CT 14 28108 121507
Aci Bonaccorsi CT 15 3524 125031
Aci Sant'Antonio CT 15 17984 143015
San Pietro Clarenza CT 16 7743 150758
Mascali CT 16 14282 165040
Riposto CT 16 14838 179878
Mascalucia CT 16 31958 211836
Biancavilla CT 16 24007 235843
Tremestieri Etneo CT 16 20589 256432
Aci Catena CT 16 29851 286283
Santa Maria di Licodia CT 16 7641 293924
Camporotondo Etneo CT 16 5023 298947
San Giovanni la Punta CT 16 23060 322007
Acireale CT 17 52622 374629
Piedimonte Etneo CT 17 3963 378592
Valverde CT 17 7840 386432
Gravina di Catania CT 17 25838 412270
Linguaglossa CT 18 5403 417673
Adrano CT 18 36122 453795
Sant'Agata li Battiati CT 18 9479 463274
San Gregorio di Catania CT 18 11966 475240
Fiumefreddo di Sicilia CT 18 9623 484863
Paternò CT 19 48228 533091
Bronte CT 19 19172 552263
Maletto CT 19 3920 556183
Randazzo CT 20 10900 567083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Acireale (52622 inhabitants)
24 Km N of Catania (314555 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
71 Km SW of Messina (238439 inhabitants)
77 Km N of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
98 Km N of Modica (54633 inhabitants)
99 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
07:11:24
37.72 15.03 2 2018-12-26
13:58:48
Sala Operativa INGV-OE (Catania) 64243801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 07:11:24 ± 0
Latitude 37.72
Longitude 15.03
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 64243801

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 64243801
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:58:48
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