Earthquake with magnitude of ML 1.1 on date 27-10-2023 and time 03:04:41 (Italy) in region 11 km N Ragalna (CT)

A magnitude ML 1.1 earthquake occured in region: 11 km N Ragalna (CT), on

  • 27-10-2023 01:04:41 (UTC)
  • 27-10-2023 03:04:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7300, 14.9760 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 11 3924 3924
Zafferana Etnea CT 12 9517 13441
Milo CT 12 1087 14528
Biancavilla CT 14 24007 38535
Nicolosi CT 14 7463 45998
Bronte CT 14 19172 65170
Pedara CT 15 14102 79272
Adrano CT 15 36122 115394
Santa Maria di Licodia CT 15 7641 123035
Maletto CT 15 3920 126955
Sant'Alfio CT 15 1582 128537
Santa Venerina CT 15 8592 137129
Belpasso CT 15 28108 165237
Trecastagni CT 15 10910 176147
Randazzo CT 17 10900 187047
Viagrande CT 17 8563 195610
San Pietro Clarenza CT 18 7743 203353
PaternĂ² CT 18 48228 251581
Camporotondo Etneo CT 18 5023 256604
Giarre CT 18 27659 284263
Mascalucia CT 19 31958 316221
Aci Bonaccorsi CT 19 3524 319745
Tremestieri Etneo CT 19 20589 340334
Aci Sant'Antonio CT 19 17984 358318
Linguaglossa CT 19 5403 363721
Mascali CT 20 14282 378003
San Giovanni la Punta CT 20 23060 401063
Piedimonte Etneo CT 20 3963 405026
Moio Alcantara ME 20 717 405743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
27 Km NW of Catania (314555 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km SW of Messina (238439 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 inhabitants)
99 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 1.1 2023-10-27
01:04:41
37.73 14.976 5 2023-10-27
01:13:11
Sala Operativa INGV_OE (Catania) 122429081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-27 01:04:41
Latitude 37.7300
Longitude 14.9760
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 122429081

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) 44
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) 0.23
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 122429081
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-10-27 01:13:11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download