INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.3 on date 25-12-2018 and time 08:10:20 (Italy) in region 6 km N Ragalna (CT)

A magnitude ML 2.3 earthquake occured in region: 6 km N Ragalna (CT), on

  • 25-12-2018 07:10:20 (UTC)
  • 25-12-2018 08:10:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.69, 14.95 at 4 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
Ragalna CT 6 3924 3924
Biancavilla CT 9 24007 27931
Santa Maria di Licodia CT 10 7641 35572
Nicolosi CT 10 7463 43035
Belpasso CT 11 28108 71143
Adrano CT 11 36122 107265
Pedara CT 12 14102 121367
Paternò CT 13 48228 169595
Zafferana Etnea CT 13 9517 179112
Trecastagni CT 13 10910 190022
Camporotondo Etneo CT 14 5023 195045
San Pietro Clarenza CT 14 7743 202788
Milo CT 15 1087 203875
Viagrande CT 15 8563 212438
Mascalucia CT 15 31958 244396
Bronte CT 16 19172 263568
Tremestieri Etneo CT 16 20589 284157
Santa Venerina CT 16 8592 292749
Aci Bonaccorsi CT 17 3524 296273
Gravina di Catania CT 17 25838 322111
San Giovanni la Punta CT 17 23060 345171
Aci Sant'Antonio CT 18 17984 363155
Maletto CT 18 3920 367075
Sant'Agata li Battiati CT 18 9479 376554
Sant'Alfio CT 18 1582 378136
Misterbianco CT 19 49410 427546
Aci Catena CT 19 29851 457397
San Gregorio di Catania CT 19 11966 469363
Valverde CT 19 7840 477203
Motta Sant'Anastasia CT 19 12116 489319

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Acireale (52622 inhabitants)
23 Km NW of Catania (314555 inhabitants)
76 Km NW of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
77 Km SW of Messina (238439 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
93 Km NE of Gela (75827 inhabitants)
93 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 2.3 2018-12-25
07:10:20
37.69 14.95 4 2018-12-26
13:58:03
Sala Operativa INGV-OE (Catania) 64243781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 07:10:20 ± 0
Latitude 37.69
Longitude 14.95
Depth (km) 4 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243781

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:2.3

Field Value
Value 2.3
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243781
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:58:03
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