Earthquake with magnitude of ML 2.1 on date 19-09-2023 and time 11:38:23 (UTC) in region 2 km N Ragalna (CT)

A magnitude ML 2.1 earthquake occured in region: 2 km N Ragalna (CT), on

  • 19-09-2023 11:38:23 (UTC)
  • 19-09-2023 13:38:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6510, 14.9340 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
Ragalna CT 2 3924 3924
Santa Maria di Licodia CT 6 7641 11565
Biancavilla CT 6 24007 35572
Belpasso CT 8 28108 63680
PaternĂ² CT 9 48228 111908
Adrano CT 9 36122 148030
Nicolosi CT 9 7463 155493
Camporotondo Etneo CT 11 5023 160516
Pedara CT 12 14102 174618
San Pietro Clarenza CT 12 7743 182361
Trecastagni CT 13 10910 193271
Mascalucia CT 14 31958 225229
Tremestieri Etneo CT 15 20589 245818
Viagrande CT 15 8563 254381
Gravina di Catania CT 15 25838 280219
Motta Sant'Anastasia CT 16 12116 292335
Misterbianco CT 16 49410 341745
Zafferana Etnea CT 16 9517 351262
San Giovanni la Punta CT 16 23060 374322
Sant'Agata li Battiati CT 16 9479 383801
Aci Bonaccorsi CT 17 3524 387325
Centuripe EN 17 5470 392795
Aci Sant'Antonio CT 18 17984 410779
Bronte CT 18 19172 429951
Milo CT 18 1087 431038
San Gregorio di Catania CT 18 11966 443004
Santa Venerina CT 19 8592 451596
Valverde CT 19 7840 459436
Aci Catena CT 19 29851 489287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Acireale (52622 inhabitants)
21 Km NW of Catania (314555 inhabitants)
73 Km NW of Siracusa (122291 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km SW of Messina (238439 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
85 Km NE of Vittoria (63339 inhabitants)
89 Km NE of Gela (75827 inhabitants)
89 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 2.1 2023-09-19
11:38:23
37.651 14.934 1 2023-09-19
12:08:42
Sala Operativa INGV_OE (Catania) 121230371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 11:38:23
Latitude 37.6510
Longitude 14.9340
Depth (km) 1 (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 121230371

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) 128
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) 0.21
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 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 121230371
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-19 12:08:42
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download