Earthquake with magnitude of ML 1.6 on date 04-02-2021 and time 07:59:10 (Italy) in region 10 km W Zafferana Etnea (CT)

A magnitude ML 1.6 earthquake occured in region: 10 km W Zafferana Etnea (CT), on

  • 04-02-2021 06:59:10 (UTC)
  • 04-02-2021 07:59:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7300, 15.0030 at 4 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
Zafferana Etnea CT 10 9517 9517
Milo CT 10 1087 10604
Ragalna CT 12 3924 14528
Sant'Alfio CT 13 1582 16110
Santa Venerina CT 13 8592 24702
Nicolosi CT 13 7463 32165
Pedara CT 13 14102 46267
Trecastagni CT 14 10910 57177
Biancavilla CT 15 24007 81184
Belpasso CT 15 28108 109292
Viagrande CT 16 8563 117855
Giarre CT 16 27659 145514
Santa Maria di Licodia CT 16 7641 153155
Bronte CT 16 19172 172327
Maletto CT 16 3920 176247
Adrano CT 17 36122 212369
Randazzo CT 17 10900 223269
Mascali CT 17 14282 237551
Aci Bonaccorsi CT 17 3524 241075
San Pietro Clarenza CT 18 7743 248818
Aci Sant'Antonio CT 18 17984 266802
Linguaglossa CT 18 5403 272205
Riposto CT 18 14838 287043
Piedimonte Etneo CT 18 3963 291006
Mascalucia CT 18 31958 322964
Camporotondo Etneo CT 18 5023 327987
Tremestieri Etneo CT 18 20589 348576
Aci Catena CT 19 29851 378427
San Giovanni la Punta CT 19 23060 401487
PaternĂ² CT 19 48228 449715
Fiumefreddo di Sicilia CT 19 9623 459338
Moio Alcantara ME 19 717 460055
Acireale CT 19 52622 512677
Gravina di Catania CT 19 25838 538515
Valverde CT 20 7840 546355

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
26 Km N of Catania (314555 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
71 Km SW of Messina (238439 inhabitants)
79 Km NW of Siracusa (122291 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
99 Km N of Modica (54633 inhabitants)
99 Km NE of Gela (75827 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 1.6 2021-02-04
06:59:10
37.73 15.003 4 2021-02-04
08:02:21
Sala Operativa INGV_OE (Catania) 86825721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-04 06:59:10
Latitude 37.7300
Longitude 15.0030
Depth (km) 4 (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 86825721

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) 68
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:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 86825721
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-04 08:02:21
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