Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 03-10-2023 and time 19:15:28 (Italy) in region 4 km SE Serradifalco (CL)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Serradifalco (CL), on

  • 03-10-2023 17:15:28 (UTC)
  • 03-10-2023 19:15:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4330, 13.9100 at 29 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serradifalco CL 4 6091 6091
Montedoro CL 9 1631 7722
Delia CL 9 4277 11999
San Cataldo CL 10 23253 35252
Canicattì AG 10 35698 70950
Bompensiere CL 12 556 71506
Sommatino CL 13 7038 78544
Caltanissetta CL 15 63360 141904
Milena CL 16 3018 144922
Racalmuto AG 16 8307 153229
Castrofilippo AG 17 2940 156169
Naro AG 18 7817 163986
Marianopoli CL 19 1906 165892
Grotte AG 19 5746 171638
Sutera CL 19 1410 173048
Ravanusa AG 19 11766 184814
Campobello di Licata AG 19 10092 194906
Campofranco CL 20 3100 198006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of Caltanissetta (63360 inhabitants)
32 Km E of Agrigento (59770 inhabitants)
51 Km NW of Gela (75827 inhabitants)
77 Km NW of Vittoria (63339 inhabitants)
80 Km SE of Bagheria (55387 inhabitants)
90 Km SE of Palermo (674435 inhabitants)
92 Km NW of Ragusa (73313 inhabitants)
99 Km NW 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
Rev100 		ML 2.0 2023-10-03
17:15:28		 37.433 13.9097 29 2023-10-03
17:32:33		 Sala Sismica INGV-Roma 121720791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 17:15:28 ± 0.26
Latitude 37.4330 ± 0.0171
Longitude 13.9097 ± 0.0125
Depth (km) 29 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121720791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1587
Semi-minor axis of confidence ellipse (meter) 1342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97576
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 121720791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 17:32:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-10-03T17:16:05.07 3.0 undecidable manual S -0.16 0
IV.CROCE.HHZ. 2023-10-03T17:15:55.76 3.0 undecidable manual S 140 86.5467 103 1.55 0
IV.HLNI.HHZ. 2023-10-03T17:15:54.89 0.3 undecidable manual S 96 85.3479 103 1 55
IV.HVZN.HHZ. 2023-10-03T17:15:52.59 0.3 undecidable manual S 111 76.4679 105 0.98 56
IV.SCIAC.HHZ. 2023-10-03T17:15:51.05 0.3 undecidable manual S 278 71.6727 106 0.67 67
IV.AIO.HHZ. 2023-10-03T17:15:49.74 3.0 undecidable manual P -0.99 0
IV.HAVL.HHZ. 2023-10-03T17:15:48.14 3.0 positive manual P -0.6 0
IV.EPOZ.HHZ. 2023-10-03T17:15:48.71 3.0 negative manual P -0.04 0
IV.HPAC.HHZ. 2023-10-03T17:15:47.47 3.0 undecidable manual P -2.19 0
IV.MUCR.HHZ. 2023-10-03T17:15:46.90 0.3 undecidable manual P 51 108.3138 100 0.43 66
IV.HMDC.HHZ. 2023-10-03T17:15:44.07 0.3 undecidable manual P 124 93.4398 102 -0.14 72
IV.CROCE.HHZ. 2023-10-03T17:15:43.23 0.1 undecidable manual P 140 86.5467 103 0.05 100
IV.HLNI.HHZ. 2023-10-03T17:15:42.34 0.1 undecidable manual P 96 85.3479 103 -0.66 86
IV.MMGO.HHZ. 2023-10-03T17:15:42.73 0.3 undecidable manual P 287 85.8474 103 -0.35 70
IV.HVZN.HHZ. 2023-10-03T17:15:41.35 0.3 undecidable manual P 111 76.4679 105 -0.33 72
IV.CORL.HHZ. 2023-10-03T17:15:41.67 0.3 undecidable manual P 314 73.7706 106 0.39 72
IV.SCIAC.HHZ. 2023-10-03T17:15:40.38 0.1 undecidable manual P 278 71.6727 106 -0.59 89
IV.GALF.HHE. 2023-10-03T17:15:40.61 0.3 undecidable manual P 62 65.49 108 0.56 69
IV.RESU.HHZ. 2023-10-03T17:15:39.31 0.6 undecidable manual S 29 27.0507 132 -0.43 52
IV.CIMI.HHZ. 2023-10-03T17:15:39.34 0.6 undecidable manual P 329 57.8976 111 0.39 49
IV.CSLB.HHZ. 2023-10-03T17:15:38.50 0.1 undecidable manual P 13 57.3981 111 -0.38 98
IV.ALJA.HHZ. 2023-10-03T17:15:36.71 0.1 undecidable manual P 339 37.629 122 0.58 97
IV.RAFF.HHZ. 2023-10-03T17:15:36.69 0.1 undecidable manual P 120 46.2204 116 -0.61 94
IV.RESU.HHZ. 2023-10-03T17:15:34.04 0.1 undecidable manual P 29 27.0507 132 -0.78 91
IV.FAVA.HNZ. 2023-10-03T17:15:34.87 0.3 undecidable manual P 242 24.8529 135 0.29 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RESU.HNE. ML:0.0 0.000093770295 0.3712 AML other m 2023-10-03T17:15:44.26
IV.RESU.HHE. ML:0.0 0.00015639524999999999 0.5504 AML other m 2023-10-03T17:15:42.08
IV.RESU.HHN. ML:0.0 0.00028064075 0.6656 AML other m 2023-10-03T17:15:43.95
IV.RAFF.HHN. ML:1.8 0.00015830359999999998 0.256 AML other m 2023-10-03T17:15:48.81
IV.RAFF.HHE. ML:1.9 0.0001975 0.22 AML other m 2023-10-03T17:15:50.39
IV.RESU.HNN. ML:0.0 0.00027346785 0.6528 AML other m 2023-10-03T17:15:45.79
IV.SCIAC.HHE. ML:0.0 0.00008801371499999999 0.1792 AML other m 2023-10-03T17:15:54.37
IV.SCIAC.HNE. ML:0.0 0.00009240632 0.1792 AML other m 2023-10-03T17:15:54.38
IV.CSLB.HHE. ML:1.5 0.00005665 0.36 AML other m 2023-10-03T17:15:54.55
IV.CIMI.HNN. ML:2.3 0.0003635 1.28 AML other m 2023-10-03T17:15:54.12
IV.CIMI.HHN. ML:2.2 0.000328 1.26 AML other m 2023-10-03T17:15:54.13
IV.HVZN.HHE. ML:0.0 0.00050567485 0.4352 AML other m 2023-10-03T17:15:55.47
IV.HVZN.HNE. ML:0.0 0.00055886335 0.4608 AML other m 2023-10-03T17:15:55.57
IV.SCIAC.HHN. ML:0.0 0.00014229030000000002 0.1792 AML other m 2023-10-03T17:15:52.29
IV.SCIAC.HNN. ML:0.0 0.00014100014999999998 0.1792 AML other m 2023-10-03T17:15:52.38
IV.HVZN.HHN. ML:0.0 0.00048457745 0.4224 AML other m 2023-10-03T17:15:56.53
IV.HVZN.HNN. ML:0.0 0.00058118295 0.4096 AML other m 2023-10-03T17:15:56.55
IV.HLNI.HHN. ML:0.0 0.00024063765 0.2816 AML other m 2023-10-03T17:15:57.07
IV.CIMI.HNE. ML:2.1 0.000222 0.62 AML other m 2023-10-03T17:15:57.49
IV.CIMI.HHE. ML:2.0 0.000203 0.64 AML other m 2023-10-03T17:15:57.51
IV.CROCE.HNE. ML:2.2 0.00016499999999999997 0.94 AML other m 2023-10-03T17:15:57.04
IV.CROCE.HNN. ML:2.2 0.0001895 0.96 AML other m 2023-10-03T17:15:58.94
IV.CROCE.HHN. ML:0.0 0.00007236338000000001 0.192 AML other m 2023-10-03T17:15:59.86
IV.HLNI.HHE. ML:0.0 0.000088018785 0.0896 AML other m 2023-10-03T17:15:57.09
IV.CROCE.HHE. ML:0.0 0.00010284885499999999 0.32 AML other m 2023-10-03T17:15:58.06
IV.HMDC.HHN. ML:2.2 0.00015713125 0.2432 AML other m 2023-10-03T17:16:02.11
IV.CORL.HHE. ML:2.0 0.00015000000000000001 0.38 AML other m 2023-10-03T17:16:01.69
IV.HMDC.HHE. ML:2.2 0.0001735 0.4 AML other m 2023-10-03T17:16:03.54
IV.CORL.HHN. ML:2.1 0.00016999999999999999 0.84 AML other m 2023-10-03T17:16:04.47
IV.MUCR.HHE. ML:2.2 0.00012831648499999997 0.704 AML other m 2023-10-03T17:16:08.06
IV.MUCR.HHN. ML:2.1 0.00010350000000000001 0.36 AML other m 2023-10-03T17:16:09.42
IV.AIO.HHN. ML:2.0 0.000054449999999999995 0.68 AML other m 2023-10-03T17:16:10.11
IV.AIO.HHE. ML:1.8 0.00004002932 0.512 AML other m 2023-10-03T17:16:13.02
IV.RAFF.HNE. ML:1.6 0.00010463032 0.2048 AML other m 2023-10-03T17:15:50.28
IV.RAFF.HNN. ML:1.4 0.00006220420999999999 0.2688 AML other m 2023-10-03T17:15:48.83
IV.CSLB.HNE. ML:1.5 0.00006112453 0.384 AML other m 2023-10-03T17:15:54.57
IV.HLNI.HNE. ML:1.9 0.00010000979 0.1152 AML other m 2023-10-03T17:15:57.09
IV.HLNI.HNN. ML:2.3 0.00023338145 0.2944 AML other m 2023-10-03T17:15:57.07
IV.EPOZ.HHE. ML:2.4 0.000185654 0.2816 AML other m 2023-10-03T17:16:09.08
IV.EPOZ.HHN. ML:2.4 0.000181086 0.3712 AML other m 2023-10-03T17:16:10.78
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
Waveforms Seismic signals in miniseed + resp format Download