Earthquake with magnitude of ML 1.7 on date 29-08-2023 and time 19:56:41 (Italy) in region 8 km NE Ragalna (CT)

A magnitude ML 1.7 earthquake occured in region: 8 km NE Ragalna (CT), on

  • 29-08-2023 17:56:41 (UTC)
  • 29-08-2023 19:56:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6960, 14.9840 at 11 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
Ragalna CT 8 3924 3924
Nicolosi CT 10 7463 11387
Zafferana Etnea CT 11 9517 20904
Pedara CT 11 14102 35006
Belpasso CT 12 28108 63114
Biancavilla CT 12 24007 87121
Trecastagni CT 12 10910 98031
Milo CT 12 1087 99118
Santa Maria di Licodia CT 12 7641 106759
Santa Venerina CT 14 8592 115351
Viagrande CT 14 8563 123914
Adrano CT 14 36122 160036
San Pietro Clarenza CT 14 7743 167779
Camporotondo Etneo CT 14 5023 172802
Mascalucia CT 15 31958 204760
PaternĂ² CT 15 48228 252988
Sant'Alfio CT 15 1582 254570
Aci Bonaccorsi CT 15 3524 258094
Tremestieri Etneo CT 15 20589 278683
Aci Sant'Antonio CT 16 17984 296667
San Giovanni la Punta CT 16 23060 319727
Gravina di Catania CT 17 25838 345565
Bronte CT 17 19172 364737
Aci Catena CT 17 29851 394588
Sant'Agata li Battiati CT 17 9479 404067
Valverde CT 18 7840 411907
Giarre CT 18 27659 439566
San Gregorio di Catania CT 18 11966 451532
Maletto CT 18 3920 455452
Acireale CT 19 52622 508074
Misterbianco CT 20 49410 557484
Riposto CT 20 14838 572322
Mascali CT 20 14282 586604

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
23 Km NW of Catania (314555 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
75 Km SW of Messina (238439 inhabitants)
76 Km NW of Siracusa (122291 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
95 Km N of Modica (54633 inhabitants)
95 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 1.7 2023-08-29
17:56:41
37.696 14.984 11 2023-08-29
18:04:24
Sala Operativa INGV_OE (Catania) 120592361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-29 17:56:41
Latitude 37.6960
Longitude 14.9840
Depth (km) 11 (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 120592361

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) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
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) 0.18
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:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 120592361
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-08-29 18:04:24
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