Earthquake with magnitude of ML 1.3 on date 11-08-2023 and time 03:49:07 (UTC) in region 4 km SW Zafferana Etnea (CT)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Zafferana Etnea (CT), on

  • 11-08-2023 03:49:07 (UTC)
  • 11-08-2023 05:49:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6760, 15.0690 at 3 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 4 9517 9517
Santa Venerina CT 6 8592 18109
Trecastagni CT 7 10910 29019
Pedara CT 7 14102 43121
Milo CT 7 1087 44208
Viagrande CT 8 8563 52771
Nicolosi CT 8 7463 60234
Aci Sant'Antonio CT 9 17984 78218
Aci Bonaccorsi CT 9 3524 81742
Sant'Alfio CT 10 1582 83324
Aci Catena CT 10 29851 113175
Tremestieri Etneo CT 11 20589 133764
Acireale CT 11 52622 186386
San Giovanni la Punta CT 11 23060 209446
Mascalucia CT 11 31958 241404
Valverde CT 12 7840 249244
Giarre CT 12 27659 276903
San Pietro Clarenza CT 12 7743 284646
Belpasso CT 12 28108 312754
Ragalna CT 12 3924 316678
San Gregorio di Catania CT 13 11966 328644
Gravina di Catania CT 13 25838 354482
Sant'Agata li Battiati CT 13 9479 363961
Camporotondo Etneo CT 13 5023 368984
Riposto CT 14 14838 383822
Mascali CT 15 14282 398104
Aci Castello CT 15 18723 416827
Santa Maria di Licodia CT 17 7641 424468
Piedimonte Etneo CT 18 3963 428431
Biancavilla CT 18 24007 452438
Misterbianco CT 18 49410 501848
Fiumefreddo di Sicilia CT 18 9623 511471
PaternĂ² CT 18 48228 559699
Catania CT 19 314555 874254
Linguaglossa CT 20 5403 879657

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Acireale (52622 inhabitants)
19 Km N of Catania (314555 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
71 Km N of Siracusa (122291 inhabitants)
72 Km SW of Messina (238439 inhabitants)
89 Km NE of Ragusa (73313 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
93 Km NE of Vittoria (63339 inhabitants)
95 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 1.3 2023-08-11
03:49:07
37.676 15.069 3 2023-08-11
04:03:10
Sala Operativa INGV_OE (Catania) 120016231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-11 03:49:07
Latitude 37.6760
Longitude 15.0690
Depth (km) 3 (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 120016231

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) 85
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

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 120016231
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-08-11 04:03:10
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