Earthquake with magnitude of ML 1.2 on date 18-09-2020 and time 08:31:12 (UTC) in region 1 km SW Zafferana Etnea (CT)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Zafferana Etnea (CT), on

  • 18-09-2020 08:31:12 (UTC)
  • 18-09-2020 10:31:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6900, 15.0960 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 1 9517 9517
Santa Venerina CT 4 8592 18109
Milo CT 4 1087 19196
Sant'Alfio CT 8 1582 20778
Trecastagni CT 8 10910 31688
Pedara CT 9 14102 45790
Viagrande CT 9 8563 54353
Giarre CT 9 27659 82012
Aci Sant'Antonio CT 10 17984 99996
Aci Bonaccorsi CT 10 3524 103520
Nicolosi CT 10 7463 110983
Aci Catena CT 10 29851 140834
Acireale CT 11 52622 193456
Riposto CT 11 14838 208294
Mascali CT 12 14282 222576
San Giovanni la Punta CT 12 23060 245636
Valverde CT 13 7840 253476
Tremestieri Etneo CT 13 20589 274065
Mascalucia CT 13 31958 306023
San Gregorio di Catania CT 14 11966 317989
San Pietro Clarenza CT 14 7743 325732
Sant'Agata li Battiati CT 15 9479 335211
Gravina di Catania CT 15 25838 361049
Belpasso CT 15 28108 389157
Piedimonte Etneo CT 15 3963 393120
Fiumefreddo di Sicilia CT 15 9623 402743
Ragalna CT 15 3924 406667
Aci Castello CT 15 18723 425390
Camporotondo Etneo CT 16 5023 430413
Linguaglossa CT 17 5403 435816
Calatabiano CT 19 5308 441124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Acireale (52622 inhabitants)
21 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
72 Km N of Siracusa (122291 inhabitants)
91 Km NE of Ragusa (73313 inhabitants)
94 Km E of Caltanissetta (63360 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
97 Km N of Modica (54633 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 2020-09-18
08:31:12
37.69 15.096 4 2020-09-18
08:53:25
Sala Operativa INGV_OE (Catania) 83002261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-18 08:31:12
Latitude 37.6900
Longitude 15.0960
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 83002261

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) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
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) 0.06
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 83002261
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-09-18 08:53:25
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