Earthquake with magnitude of ML 2.1 on date 23-10-2017 and time 19:47:11 (Italy) in region 4 km S Santa Venerina (CT)

A magnitude ML 2.1 earthquake occured in region: 4 km S Santa Venerina (CT), on

  • 23-10-2017 17:47:11 (UTC)
  • 23-10-2017 19:47:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6560, 15.1370 at 2 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
Santa Venerina CT 4 8592 8592
Zafferana Etnea CT 5 9517 18109
Acireale CT 5 52622 70731
Aci Sant'Antonio CT 6 17984 88715
Aci Catena CT 6 29851 118566
Viagrande CT 6 8563 127129
Trecastagni CT 7 10910 138039
Aci Bonaccorsi CT 7 3524 141563
Milo CT 8 1087 142650
Pedara CT 8 14102 156752
Valverde CT 9 7840 164592
San Giovanni la Punta CT 9 23060 187652
Giarre CT 9 27659 215311
Sant'Alfio CT 10 1582 216893
San Gregorio di Catania CT 10 11966 228859
Riposto CT 10 14838 243697
Tremestieri Etneo CT 11 20589 264286
Nicolosi CT 11 7463 271749
Aci Castello CT 11 18723 290472
Mascalucia CT 12 31958 322430
Sant'Agata li Battiati CT 12 9479 331909
Gravina di Catania CT 12 25838 357747
Mascali CT 13 14282 372029
San Pietro Clarenza CT 14 7743 379772
Camporotondo Etneo CT 15 5023 384795
Belpasso CT 16 28108 412903
Fiumefreddo di Sicilia CT 17 9623 422526
Piedimonte Etneo CT 17 3963 426489
Catania CT 18 314555 741044
Ragalna CT 18 3924 744968
Misterbianco CT 19 49410 794378

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of Acireale (52622 inhabitants)
18 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km N of Siracusa (122291 inhabitants)
70 Km SW of Messina (238439 inhabitants)
89 Km NE of Ragusa (73313 inhabitants)
95 Km NE of Modica (54633 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
96 Km E of Caltanissetta (63360 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 2017-10-23
17:47:11
37.656 15.137 2 2017-10-23
19:58:42
Sala Operativa INGV-OE (Catania) 51254501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-23 17:47:11
Latitude 37.6560
Longitude 15.1370
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 51254501

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) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
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)
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 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 51254501
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2017-10-23 19:58:42
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
Waveforms Seismic signals in miniseed + resp format Download