Earthquake with magnitude of ML 1.1 on date 27-12-2021 and time 05:21:46 (Italy) in region 3 km E Santa Venerina (CT)

A magnitude ML 1.1 earthquake occured in region: 3 km E Santa Venerina (CT), on

  • 27-12-2021 04:21:46 (UTC)
  • 27-12-2021 05:21:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6770, 15.1680 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
Santa Venerina CT 3 8592 8592
Zafferana Etnea CT 6 9517 18109
Giarre CT 6 27659 45768
Milo CT 7 1087 46855
Riposto CT 7 14838 61693
Acireale CT 7 52622 114315
Sant'Alfio CT 8 1582 115897
Aci Catena CT 8 29851 145748
Aci Sant'Antonio CT 9 17984 163732
Mascali CT 9 14282 178014
Viagrande CT 10 8563 186577
Aci Bonaccorsi CT 10 3524 190101
Trecastagni CT 10 10910 201011
Valverde CT 11 7840 208851
Pedara CT 12 14102 222953
San Giovanni la Punta CT 13 23060 246013
San Gregorio di Catania CT 13 11966 257979
Fiumefreddo di Sicilia CT 14 9623 267602
Aci Castello CT 14 18723 286325
Tremestieri Etneo CT 14 20589 306914
Nicolosi CT 14 7463 314377
Piedimonte Etneo CT 15 3963 318340
Sant'Agata li Battiati CT 15 9479 327819
Mascalucia CT 15 31958 359777
Gravina di Catania CT 16 25838 385615
San Pietro Clarenza CT 17 7743 393358
Calatabiano CT 17 5308 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
7 Km N of Acireale (52622 inhabitants)
21 Km NE of Catania (314555 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
69 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)
100 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 1.1 2021-12-27
04:21:46
37.677 15.168 5 2021-12-27
04:33:27
Sala Operativa INGV_OE (Catania) 99040671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-27 04:21:46
Latitude 37.6770
Longitude 15.1680
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 99040671

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) 112
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) 0.08
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 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 99040671
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-12-27 04:33:27
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