Earthquake with magnitude of ML 1.7 on date 11-07-2023 and time 21:26:37 (UTC) in region 1 km SW Licodia Eubea (CT)

A magnitude ML 1.7 earthquake occured in region: 1 km SW Licodia Eubea (CT), on

  • 11-07-2023 21:26:37 (UTC)
  • 11-07-2023 23:26:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1460, 14.6950 at 17 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Licodia Eubea CT 2 3081 3081
Vizzini CT 5 6241 9322
Monterosso Almo RG 9 3032 12354
Grammichele CT 9 13418 25772
Chiaramonte Gulfi RG 13 8238 34010
Mineo CT 13 5159 39169
Mazzarrone CT 14 4078 43247
Giarratana RG 14 3048 46295
Buccheri SR 14 1999 48294
Militello in Val di Catania CT 17 7443 55737
Buscemi SR 18 1051 56788
Caltagirone CT 19 38686 95474
Francofonte SR 19 12800 108274

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Ragusa (73313 inhabitants)
26 Km NE of Vittoria (63339 inhabitants)
32 Km N of Modica (54633 inhabitants)
40 Km E of Gela (75827 inhabitants)
53 Km SW of Catania (314555 inhabitants)
54 Km W of Siracusa (122291 inhabitants)
67 Km SW of Acireale (52622 inhabitants)
68 Km SE of Caltanissetta (63360 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
Rev100
ML 1.7 2023-07-11
21:26:37
37.1458 14.6948 17 2023-07-11
21:31:04
Sala Sismica INGV-Roma 119177721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-11 21:26:37 ± 0.11
Latitude 37.1458 ± 0.0054
Longitude 14.6948 ± 0.0056
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119177721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 326
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
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) 165
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.38851
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 119177721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-11 21:31:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-07-11T21:26:52.21 0.6 undecidable manual S 119 43.1235 101 0.14 47
IV.SSY.HHZ. 2023-07-11T21:26:49.90 0.6 undecidable manual S 88 33.5442 105 0.32 46
IV.HLNI.HHZ. 2023-07-11T21:26:48.04 0.6 undecidable manual S 35 27.3504 110 0.02 49
IV.HVIT.HHZ. 2023-07-11T21:26:47.07 0.6 undecidable manual S 222 22.8549 115 0.16 49
IV.HMDC.HHZ. 2023-07-11T21:26:46.66 0.6 undecidable manual S 159 22.1556 117 -0.08 50
IV.HAVL.HHZ. 2023-07-11T21:26:45.77 0.6 negative manual P 119 43.1235 101 -0.33 46
IV.SSY.HHZ. 2023-07-11T21:26:44.67 0.1 positive manual P 88 33.5442 105 0 99
IV.HVIT.HHZ. 2023-07-11T21:26:43.19 0.1 positive manual P 222 22.8549 115 0.06 100
IV.HVZN.HHZ. 2023-07-11T21:26:43.29 0.6 undecidable manual S 27 3.996 164 -0.22 50
IV.HLNI.HHZ. 2023-07-11T21:26:43.74 0.1 positive manual P 35 27.3504 110 -0.03 100
IV.HMDC.HHZ. 2023-07-11T21:26:42.84 0.6 negative manual P 159 22.1556 117 -0.18 49
IV.HVZN.HHZ. 2023-07-11T21:26:41.30 1.0 undecidable manual P 27 3.996 164 0.13 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HNE. ML:1.7 0.0005124999999999999 0.9 AML other m 2023-07-11T21:26:43.94
IV.HVZN.HHE. ML:1.7 0.00047299999999999995 1.02 AML other m 2023-07-11T21:26:44.62
IV.HVZN.HHN. ML:1.6 0.000408 0.42 AML other m 2023-07-11T21:26:45.44
IV.HVZN.HNN. ML:1.7 0.000504 0.4 AML other m 2023-07-11T21:26:45.25
IV.HMDC.HHN. ML:1.6 0.00022499999999999997 0.42 AML other m 2023-07-11T21:26:46.74
IV.HMDC.HHE. ML:1.6 0.00021 0.42 AML other m 2023-07-11T21:26:46.98
IV.HVIT.HHE. ML:1.6 0.000226 0.1 AML other m 2023-07-11T21:26:47.47
IV.HVIT.HHN. ML:1.8 0.0003085 0.58 AML other m 2023-07-11T21:26:47.52
IV.HLNI.HHE. ML:1.6 0.00019700000000000002 0.96 AML other m 2023-07-11T21:26:48.76
IV.HLNI.HHN. ML:1.6 0.000194 0.28 AML other m 2023-07-11T21:26:48.72
IV.SSY.HHE. ML:1.7 0.0001865 1.14 AML other m 2023-07-11T21:26:49.42
IV.SSY.HHN. ML:2.0 0.0003885 1.1 AML other m 2023-07-11T21:26:50.18
IV.SSY.HNN. ML:1.8 0.00026000000000000003 1.76 AML other m 2023-07-11T21:26:51.02
IV.SSY.HNE. ML:1.9 0.00029749999999999997 0.32 AML other m 2023-07-11T21:26:55.17
IV.HAVL.HHN. ML:1.7 0.0001395 0.34 AML other m 2023-07-11T21:26:55.39
IV.HAVL.HHE. ML:1.6 0.00011199999999999998 0.2 AML other m 2023-07-11T21:26:55.95
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