Earthquake with magnitude of ML 1.5 on date 08-10-2023 and time 00:01:26 (Italy) in region 6 km NE Ragalna (CT)

A magnitude ML 1.5 earthquake occured in region: 6 km NE Ragalna (CT), on

  • 07-10-2023 22:01:26 (UTC)
  • 08-10-2023 00:01:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6800, 14.9710 at 5 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
Nicolosi CT 9 7463 11387
Belpasso CT 10 28108 39495
Biancavilla CT 10 24007 63502
Santa Maria di Licodia CT 10 7641 71143
Pedara CT 11 14102 85245
Zafferana Etnea CT 12 9517 94762
Trecastagni CT 12 10910 105672
Adrano CT 12 36122 141794
San Pietro Clarenza CT 13 7743 149537
Camporotondo Etneo CT 13 5023 154560
PaternĂ² CT 13 48228 202788
Viagrande CT 13 8563 211351
Milo CT 14 1087 212438
Mascalucia CT 14 31958 244396
Tremestieri Etneo CT 15 20589 264985
Santa Venerina CT 15 8592 273577
Aci Bonaccorsi CT 15 3524 277101
Gravina di Catania CT 15 25838 302939
San Giovanni la Punta CT 16 23060 325999
Aci Sant'Antonio CT 16 17984 343983
Sant'Agata li Battiati CT 17 9479 353462
Sant'Alfio CT 17 1582 355044
Bronte CT 17 19172 374216
Aci Catena CT 17 29851 404067
Valverde CT 18 7840 411907
San Gregorio di Catania CT 18 11966 423873
Misterbianco CT 18 49410 473283
Motta Sant'Anastasia CT 19 12116 485399
Acireale CT 19 52622 538021
Maletto CT 19 3920 541941
Giarre CT 20 27659 569600

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Acireale (52622 inhabitants)
22 Km NW of Catania (314555 inhabitants)
75 Km NW of Siracusa (122291 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
77 Km SW of Messina (238439 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
93 Km N of Modica (54633 inhabitants)
93 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
Reviewed
Rev200
ML 1.5 2023-10-07
22:01:26
37.68 14.971 5 2023-10-07
22:10:12
Sala Operativa INGV_OE (Catania) 121870321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 22:01:26
Latitude 37.6800
Longitude 14.9710
Depth (km) 5 (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 121870321

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) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
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) 0.15
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 121870321
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-10-07 22:10:12
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