Earthquake with magnitude of ML 1.4 on date 09-12-2023 and time 10:36:56 (UTC) in region 1 km N Ragalna (CT)

A magnitude ML 1.4 earthquake occured in region: 1 km N Ragalna (CT), on

  • 09-12-2023 10:36:56 (UTC)
  • 09-12-2023 11:36:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6410, 14.9380 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
Ragalna CT 1 3924 3924
Santa Maria di Licodia CT 5 7641 11565
Biancavilla CT 6 24007 35572
Belpasso CT 6 28108 63680
PaternĂ² CT 8 48228 111908
Nicolosi CT 8 7463 119371
Adrano CT 10 36122 155493
Camporotondo Etneo CT 10 5023 160516
San Pietro Clarenza CT 11 7743 168259
Pedara CT 11 14102 182361
Mascalucia CT 13 31958 214319
Trecastagni CT 13 10910 225229
Tremestieri Etneo CT 14 20589 245818
Gravina di Catania CT 14 25838 271656
Viagrande CT 14 8563 280219
Motta Sant'Anastasia CT 15 12116 292335
Misterbianco CT 15 49410 341745
San Giovanni la Punta CT 16 23060 364805
Sant'Agata li Battiati CT 16 9479 374284
Zafferana Etnea CT 16 9517 383801
Aci Bonaccorsi CT 16 3524 387325
Aci Sant'Antonio CT 17 17984 405309
San Gregorio di Catania CT 17 11966 417275
Centuripe EN 17 5470 422745
Valverde CT 18 7840 430585
Milo CT 18 1087 431672
Santa Venerina CT 19 8592 440264
Aci Catena CT 19 29851 470115
Bronte CT 19 19172 489287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Catania (314555 inhabitants)
20 Km W of Acireale (52622 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km N of Ragusa (73313 inhabitants)
82 Km SW of Messina (238439 inhabitants)
85 Km NE of Vittoria (63339 inhabitants)
88 Km NE of Gela (75827 inhabitants)
88 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
Reviewed
Rev200
ML 1.4 2023-12-09
10:36:56
37.641 14.938 3 2023-12-09
10:51:36
Sala Operativa INGV_OE (Catania) 123915751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-09 10:36:56
Latitude 37.6410
Longitude 14.9380
Depth (km) 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 123915751

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
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) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
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) 0.3
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:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 123915751
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-12-09 10:51:36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download