Earthquake with magnitude of ML 1.2 on date 25-04-2023 and time 04:40:33 (UTC) in region Caltagirone (CT)

A magnitude ML 1.2 earthquake occured in region: Caltagirone (CT), on

  • 25-04-2023 04:40:33 (UTC)
  • 25-04-2023 06:40:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2400, 14.5110 at 26 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
Caltagirone CT 0 38686 38686
San Michele di Ganzaria CT 9 3245 41931
Mirabella Imbaccari CT 11 4912 46843
Grammichele CT 12 13418 60261
San Cono CT 14 2697 62958
Niscemi CL 15 27558 90516
Mineo CT 16 5159 95675
Mazzarrone CT 18 4078 99753
Licodia Eubea CT 19 3081 102834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Gela (75827 inhabitants)
32 Km N of Vittoria (63339 inhabitants)
40 Km NW of Ragusa (73313 inhabitants)
48 Km NW of Modica (54633 inhabitants)
49 Km SE of Caltanissetta (63360 inhabitants)
59 Km SW of Catania (314555 inhabitants)
71 Km SW of Acireale (52622 inhabitants)
72 Km W of Siracusa (122291 inhabitants)
82 Km E of Agrigento (59770 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 1.2 2023-04-25
04:40:33
37.2402 14.5112 26 2023-04-25
04:48:15
Sala Sismica INGV-Roma 116721991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 04:40:33 ± 0.26
Latitude 37.2402 ± 0.0081
Longitude 14.5112 ± 0.0102
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116721991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 701
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 116721991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 04:48:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-04-25T04:42:22.00 3.0 undecidable manual Sg 14.76 0
IV.VVLD.HHZ. 2023-04-25T04:41:50.89 3.0 undecidable manual Pg 11.94 0
OT.OT17.EHZ. 2023-04-25T04:41:49.69 3.0 undecidable manual Pg 12.97 0
IV.MOCO.HHZ. 2023-04-25T04:41:32.73 3.0 undecidable manual Pn 0.64 0
IV.MCRV.HHZ. 2023-04-25T04:41:29.52 3.0 undecidable manual Pg 5.34 0
IV.SALB.HHZ. 2023-04-25T04:41:19.32 3.0 undecidable manual Pn 2.87 0
IV.LINA.HHZ. 2023-04-25T04:41:19.93 3.0 undecidable manual Sn 0.48 0
IV.IVPL.HHZ. 2023-04-25T04:41:11.70 3.0 undecidable manual Sg 1.65 0
1J.FX14.HHZ.00 2023-04-25T04:40:52.98 3.0 positive manual Pn -0.28 0
IV.HMDC.HHZ. 2023-04-25T04:40:47.21 0.3 undecidable manual S 142 39.4272 117 0.21 72
IV.HLNI.HHZ. 2023-04-25T04:40:45.73 0.3 undecidable manual S 69 34.0437 121 -0.02 76
IV.HVIT.HHZ. 2023-04-25T04:40:44.20 0.3 undecidable manual S 178 27.4503 127 -0.09 76
IV.HAVL.HHZ. 2023-04-25T04:40:44.63 0.6 undecidable manual P 120 62.3931 106 0.2 46
IV.RAFF.HHZ. 2023-04-25T04:40:42.04 0.1 undecidable manual S 262 13.2756 149 0.29 100
IV.HVZN.HHZ. 2023-04-25T04:40:42.66 0.3 undecidable manual S 111 19.3695 139 -0.04 78
IV.SSY.HHZ. 2023-04-25T04:40:42.88 0.3 undecidable manual P 100 50.5161 110 0.18 72
IV.HMDC.HHZ. 2023-04-25T04:40:41.03 0.6 undecidable manual P 142 39.4272 117 -0.09 50
IV.CPTP.HHE. 2023-04-25T04:40:41.80 1.0 undecidable manual P 301 35.9418 119 1.15 18
IV.HLNI.HHZ. 2023-04-25T04:40:40.23 0.1 positive manual P 69 34.0437 121 -0.17 98
IV.HVIT.HHZ. 2023-04-25T04:40:39.31 0.3 positive manual P 178 27.4503 127 -0.24 74
IV.HVZN.HHZ. 2023-04-25T04:40:38.64 0.3 undecidable manual P 111 19.3695 139 0.01 78
IV.RAFF.HHZ. 2023-04-25T04:40:37.74 0.1 undecidable manual P 262 13.2756 149 -0.34 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HHN. ML:1.7 0.00023099999999999998 1.14 AML other m 2023-04-25T04:40:43.27
IV.HVZN.HHE. ML:1.6 0.0001885 1.38 AML other m 2023-04-25T04:40:44.11
IV.RAFF.HHE. ML:1.0 0.000055151245000000005 0.1792 AML other m 2023-04-25T04:40:42.21
IV.RAFF.HHN. ML:1.4 0.0001302639 0.24 AML other m 2023-04-25T04:40:42.20
IV.RAFF.HNE. ML:1.0 0.000055355709999999997 0.272 AML other m 2023-04-25T04:40:42.07
IV.RAFF.HNN. ML:1.0 0.000047821495 0.2112 AML other m 2023-04-25T04:40:42.18
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