Earthquake with magnitude of ML 1.5 on date 17-02-2021 and time 16:25:22 (UTC) in region 8 km W Linguaglossa (CT)

A magnitude ML 1.5 earthquake occured in region: 8 km W Linguaglossa (CT), on

  • 17-02-2021 16:25:22 (UTC)
  • 17-02-2021 17:25:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.83, 15.06 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
Linguaglossa CT 8 5403 5403
Moio Alcantara ME 8 717 6120
Castiglione di Sicilia CT 9 3215 9335
Malvagna ME 11 733 10068
Piedimonte Etneo CT 11 3963 14031
Francavilla di Sicilia ME 11 3945 17976
Randazzo CT 11 10900 28876
Sant'Alfio CT 12 1582 30458
Milo CT 12 1087 31545
Roccella Valdemone ME 13 666 32211
Motta Camastra ME 13 845 33056
Santa Domenica Vittoria ME 13 980 34036
Fiumefreddo di Sicilia CT 14 9623 43659
Mascali CT 14 14282 57941
Zafferana Etnea CT 15 9517 67458
Gaggi ME 15 3184 70642
Calatabiano CT 15 5308 75950
Giarre CT 15 27659 103609
Riposto CT 17 14838 118447
Graniti ME 17 1492 119939
Maletto CT 17 3920 123859
Santa Venerina CT 17 8592 132451
Giardini-Naxos ME 20 9415 141866
Castelmola ME 20 1088 142954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Acireale (52622 inhabitants)
36 Km N of Catania (314555 inhabitants)
60 Km SW of Messina (238439 inhabitants)
61 Km SW of Reggio di Calabria (183035 inhabitants)
88 Km N of Siracusa (122291 inhabitants)
95 Km E of Caltanissetta (63360 inhabitants)
Recent and historical Seismicity
Seismic hazard
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire ( that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML 1.5 2021-02-17
37.83 15.06 1 2021-02-17
Sala Operativa INGV_OE (Catania) 87246761
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2021-02-17 16:25:22
Latitude 37.83
Longitude 15.06
Depth (km) 1 (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 87246761


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
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.34
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


Field Value
Value 1.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 87246761
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-17 16:39:45
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download