Earthquake with magnitude of ML 2.1 on date 21-07-2023 and time 19:51:49 (Italy) in region 2 km E Santa Venerina (CT)

A magnitude ML 2.1 earthquake occured in region: 2 km E Santa Venerina (CT), on

  • 21-07-2023 17:51:49 (UTC)
  • 21-07-2023 19:51:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6830, 15.1590 at 4 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 2 8592 8592
Zafferana Etnea CT 5 9517 18109
Giarre CT 6 27659 45768
Milo CT 6 1087 46855
Riposto CT 7 14838 61693
Sant'Alfio CT 7 1582 63275
Acireale CT 8 52622 115897
Aci Sant'Antonio CT 9 17984 133881
Aci Catena CT 9 29851 163732
Mascali CT 9 14282 178014
Viagrande CT 10 8563 186577
Trecastagni CT 10 10910 197487
Aci Bonaccorsi CT 10 3524 201011
Pedara CT 11 14102 215113
Valverde CT 12 7840 222953
San Giovanni la Punta CT 13 23060 246013
Fiumefreddo di Sicilia CT 13 9623 255636
San Gregorio di Catania CT 14 11966 267602
Nicolosi CT 14 7463 275065
Tremestieri Etneo CT 14 20589 295654
Aci Castello CT 14 18723 314377
Piedimonte Etneo CT 14 3963 318340
Mascalucia CT 15 31958 350298
Sant'Agata li Battiati CT 15 9479 359777
Gravina di Catania CT 16 25838 385615
Calatabiano CT 17 5308 390923
San Pietro Clarenza CT 17 7743 398666
Linguaglossa CT 18 5403 404069
Camporotondo Etneo CT 19 5023 409092
Belpasso CT 19 28108 437200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Acireale (52622 inhabitants)
21 Km N of Catania (314555 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
70 Km N of Siracusa (122291 inhabitants)
92 Km NE of Ragusa (73313 inhabitants)
98 Km NE of Modica (54633 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
99 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 2023-07-21
17:51:49
37.683 15.159 4 2023-07-21
17:56:55
Sala Operativa INGV_OE (Catania) 119457841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-21 17:51:49
Latitude 37.6830
Longitude 15.1590
Depth (km) 4 (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 119457841

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) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
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) 0.22
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 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 119457841
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-07-21 17:56:55
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