Earthquake with magnitude of ML 1.1 on date 17-02-2021 and time 16:32:40 (UTC) in region 7 km W Linguaglossa (CT)

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

  • 17-02-2021 16:32:40 (UTC)
  • 17-02-2021 17:32:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.818, 15.07 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 7 5403 5403
Castiglione di Sicilia CT 9 3215 8618
Moio Alcantara ME 9 717 9335
Piedimonte Etneo CT 10 3963 13298
Sant'Alfio CT 10 1582 14880
Francavilla di Sicilia ME 11 3945 18825
Milo CT 11 1087 19912
Malvagna ME 11 733 20645
Fiumefreddo di Sicilia CT 13 9623 30268
Motta Camastra ME 13 845 31113
Randazzo CT 13 10900 42013
Mascali CT 13 14282 56295
Roccella Valdemone ME 14 666 56961
Zafferana Etnea CT 14 9517 66478
Calatabiano CT 14 5308 71786
Giarre CT 14 27659 99445
Gaggi ME 14 3184 102629
Santa Domenica Vittoria ME 15 980 103609
Riposto CT 15 14838 118447
Santa Venerina CT 16 8592 127039
Graniti ME 16 1492 128531
Maletto CT 18 3920 132451
Giardini-Naxos ME 19 9415 141866
Castelmola ME 19 1088 142954
Taormina ME 19 10960 153914

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
35 Km N of Catania (314555 inhabitants)
60 Km SW of Messina (238439 inhabitants)
60 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km N of Siracusa (122291 inhabitants)
96 Km E of Caltanissetta (63360 inhabitants)
Recent and historical seismicity
Seismic hazard
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML 1.1 2021-02-17
37.818 15.07 0 2021-02-17
Sala Operativa INGV_OE (Catania) 87247011
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2021-02-17 16:32:40
Latitude 37.8180
Longitude 15.0700
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 87247011


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
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.14
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 1.1
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 87247011
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-17 16:56:02
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download