Earthquake with magnitude of ML 1.1 on date 20-02-2021 and time 01:57:53 (UTC) in region 9 km W Milo (CT)

A magnitude ML 1.1 earthquake occured in region: 9 km W Milo (CT), on

  • 20-02-2021 01:57:53 (UTC)
  • 20-02-2021 02:57:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7460, 15.0200 at 6 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
Milo CT 9 1087 1087
Zafferana Etnea CT 9 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 12 8592 20778
Nicolosi CT 15 7463 28241
Ragalna CT 15 3924 32165
Pedara CT 15 14102 46267
Giarre CT 15 27659 73926
Trecastagni CT 15 10910 84836
Linguaglossa CT 15 5403 90239
Mascali CT 16 14282 104521
Piedimonte Etneo CT 16 3963 108484
Randazzo CT 16 10900 119384
Riposto CT 16 14838 134222
Maletto CT 16 3920 138142
Viagrande CT 16 8563 146705
Bronte CT 17 19172 165877
Moio Alcantara ME 17 717 166594
Fiumefreddo di Sicilia CT 17 9623 176217
Biancavilla CT 18 24007 200224
Belpasso CT 18 28108 228332
Castiglione di Sicilia CT 18 3215 231547
Aci Bonaccorsi CT 18 3524 235071
Aci Sant'Antonio CT 18 17984 253055
Santa Maria di Licodia CT 18 7641 260696
Adrano CT 19 36122 296818
Aci Catena CT 19 29851 326669
San Pietro Clarenza CT 19 7743 334412
Mascalucia CT 19 31958 366370
Tremestieri Etneo CT 19 20589 386959
Malvagna ME 20 733 387692
Santa Domenica Vittoria ME 20 980 388672
Acireale CT 20 52622 441294
San Giovanni la Punta CT 20 23060 464354
Camporotondo Etneo CT 20 5023 469377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 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 2021-02-20
01:57:53
37.746 15.02 6 2021-02-20
02:29:16
Sala Operativa INGV_OE (Catania) 87311161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-20 01:57:53
Latitude 37.7460
Longitude 15.0200
Depth (km) 6 (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 87311161

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) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
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) 0.11
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 87311161
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-20 02:29:16
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