Earthquake with magnitude of ML 1.1 on date 18-10-2023 and time 02:14:58 (UTC) in region 7 km N Ragalna (CT)

A magnitude ML 1.1 earthquake occured in region: 7 km N Ragalna (CT), on

  • 18-10-2023 02:14:58 (UTC)
  • 18-10-2023 04:14:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6920, 14.9380 at 0 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 7 3924 3924
Biancavilla CT 8 24007 27931
Santa Maria di Licodia CT 9 7641 35572
Adrano CT 10 36122 71694
Belpasso CT 12 28108 99802
Nicolosi CT 12 7463 107265
PaternĂ² CT 13 48228 155493
Pedara CT 14 14102 169595
Bronte CT 14 19172 188767
Zafferana Etnea CT 15 9517 198284
Trecastagni CT 15 10910 209194
Camporotondo Etneo CT 15 5023 214217
San Pietro Clarenza CT 15 7743 221960
Milo CT 16 1087 223047
Mascalucia CT 17 31958 255005
Maletto CT 17 3920 258925
Viagrande CT 17 8563 267488
Tremestieri Etneo CT 18 20589 288077
Santa Venerina CT 18 8592 296669
Gravina di Catania CT 18 25838 322507
Aci Bonaccorsi CT 18 3524 326031
San Giovanni la Punta CT 19 23060 349091
Centuripe EN 19 5470 354561
Sant'Alfio CT 19 1582 356143
Aci Sant'Antonio CT 19 17984 374127
Sant'Agata li Battiati CT 19 9479 383606
Misterbianco CT 20 49410 433016

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Acireale (52622 inhabitants)
25 Km NW of Catania (314555 inhabitants)
77 Km NW of Siracusa (122291 inhabitants)
78 Km SW of Reggio di Calabria (183035 inhabitants)
78 Km SW of Messina (238439 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km NE of Gela (75827 inhabitants)
94 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 2023-10-18
02:14:58
37.692 14.938 0 2023-10-18
02:21:01
Sala Operativa INGV_OE (Catania) 122164671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-18 02:14:58
Latitude 37.6920
Longitude 14.9380
Depth (km) 0 (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 122164671

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) 80
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) 0.06
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 122164671
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-10-18 02:21:01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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