Earthquake with magnitude of ML 1.2 on date 08-05-2021 and time 20:24:41 (Italy) in region 4 km W Sant'Alfio (CT)

A magnitude ML 1.2 earthquake occured in region: 4 km W Sant'Alfio (CT), on

  • 08-05-2021 18:24:41 (UTC)
  • 08-05-2021 20:24:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7600, 15.1020 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
Sant'Alfio CT 4 1582 1582
Milo CT 4 1087 2669
Zafferana Etnea CT 7 9517 12186
Giarre CT 8 27659 39845
Mascali CT 8 14282 54127
Santa Venerina CT 9 8592 62719
Piedimonte Etneo CT 9 3963 66682
Riposto CT 10 14838 81520
Linguaglossa CT 10 5403 86923
Fiumefreddo di Sicilia CT 10 9623 96546
Calatabiano CT 13 5308 101854
Castiglione di Sicilia CT 14 3215 105069
Gaggi ME 15 3184 108253
Trecastagni CT 16 10910 119163
Francavilla di Sicilia ME 16 3945 123108
Moio Alcantara ME 16 717 123825
Pedara CT 16 14102 137927
Motta Camastra ME 16 845 138772
Viagrande CT 17 8563 147335
Aci Sant'Antonio CT 17 17984 165319
Acireale CT 17 52622 217941
Nicolosi CT 17 7463 225404
Aci Catena CT 18 29851 255255
Giardini-Naxos ME 18 9415 264670
Aci Bonaccorsi CT 18 3524 268194
Malvagna ME 18 733 268927
Graniti ME 18 1492 270419
Randazzo CT 19 10900 281319
Castelmola ME 19 1088 282407
Taormina ME 19 10960 293367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
62 Km SW of Reggio di Calabria (183035 inhabitants)
63 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
96 Km E of Caltanissetta (63360 inhabitants)
98 Km NE of Ragusa (73313 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 1.2 2021-05-08
18:24:41
37.76 15.102 5 2021-05-08
19:05:16
Sala Operativa INGV-OE (Catania) 89924601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-08 18:24:41
Latitude 37.7600
Longitude 15.1020
Depth (km) 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#KATALOC
Event type earthquake
Origin ID 89924601

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) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
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) 0.04
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:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 89924601
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2021-05-08 19:05:16
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