Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 23-10-2023 and time 02:57:21 (UTC) in region 2 km SE Catenanuova (EN)

A magnitude ML 2.2 earthquake occured in region: 2 km SE Catenanuova (EN), on

  • 23-10-2023 02:57:21 (UTC)
  • 23-10-2023 04:57:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5600, 14.7140 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.

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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
Catenanuova EN 2 4866 4866
Centuripe EN 7 5470 10336
Castel di Iudica CT 9 4625 14961
Regalbuto EN 12 7277 22238
Adrano CT 16 36122 58360
Biancavilla CT 17 24007 82367
Santa Maria di Licodia CT 17 7641 90008
Paternò CT 17 48228 138236
Raddusa CT 19 3178 141414
Ramacca CT 19 10894 152308

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Catania (314555 inhabitants)
40 Km W of Acireale (52622 inhabitants)
58 Km E of Caltanissetta (63360 inhabitants)
68 Km NE of Gela (75827 inhabitants)
70 Km N of Vittoria (63339 inhabitants)
71 Km N of Ragusa (73313 inhabitants)
76 Km NW of Siracusa (122291 inhabitants)
78 Km N 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 2.2 2023-10-23
02:57:21		 37.5597 14.7143 26 2023-10-23
03:13:28		 Sala Sismica INGV-Roma 122297841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-23 02:57:21 ± 0.17
Latitude 37.5597 ± 0.0054
Longitude 14.7143 ± 0.0079
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 122297841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74014
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 122297841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-23 03:13:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2023-10-23T02:57:57.26 3.0 positive manual Pn 0.77 0
IV.MBFT.HHZ. 2023-10-23T02:57:47.60 3.0 negative manual Pn 1.69 0
IV.SCIAC.HHZ. 2023-10-23T02:57:45.11 3.0 negative manual P 1.54 0
IV.HAVL.HHZ. 2023-10-23T02:57:45.91 3.0 undecidable manual S 0.24 0
IV.CORL.HHZ. 2023-10-23T02:57:44.39 3.0 positive manual P 2.33 0
IV.SOI.EHZ. 2023-10-23T02:57:43.04 3.0 positive manual P 0.51 0
IV.HVIT.HHE. 2023-10-23T02:57:42.59 0.1 undecidable manual S 195 65.1903 106 0.79 75
IV.SSY.HHZ. 2023-10-23T02:57:40.40 3.0 undecidable manual S 0.73 0
IV.AGST.EHZ. 2023-10-23T02:57:39.64 0.6 undecidable manual S 126 56.2992 109 0.09 47
IV.HAGA.HHE. 2023-10-23T02:57:38.00 0.6 undecidable manual S 128 49.3173 111 0.2 46
IV.MTTG.HHZ. 2023-10-23T02:57:38.58 3.0 positive manual P -0.1 0
IV.ISPIC.HHZ. 2023-10-23T02:57:36.78 3.0 negative manual P -0.04 0
IV.CROCE.HHE. 2023-10-23T02:57:35.80 0.3 undecidable manual P 191 82.1511 102 0.07 68
IV.GIB.HHE. 2023-10-23T02:57:35.13 0.3 undecidable manual P 309 76.9674 103 0.19 67
IV.CSLB.HHZ. 2023-10-23T02:57:34.62 3.0 negative manual P 0.21 0
IV.PLLN.EHZ. 2023-10-23T02:57:34.02 3.0 undecidable manual P -0.13 0
IV.HAVL.HHZ. 2023-10-23T02:57:34.28 3.0 positive manual P -0.68 0
IV.NOV.HHZ. 2023-10-23T02:57:33.28 3.0 negative manual P -0.24 0
IV.AIO.HHZ. 2023-10-23T02:57:33.25 3.0 positive manual P -0.38 0
IV.HSRS.HHZ. 2023-10-23T02:57:33.42 3.0 positive manual P -0.44 0
IV.ESPC.HHE. 2023-10-23T02:57:33.64 0.1 undecidable manual S 62 31.2465 124 0.14 97
IV.MUCR.HHZ. 2023-10-23T02:57:32.06 3.0 negative manual P -0.06 0
IV.HVIT.HHE. 2023-10-23T02:57:32.86 0.1 undecidable manual P 195 65.1903 106 -0.32 88
IV.ACATE.EHE. 2023-10-23T02:57:32.65 0.3 undecidable manual P 198 62.3931 107 -0.11 70
IV.HLNI.HHZ. 2023-10-23T02:57:32.42 0.3 undecidable manual S 149 27.2505 128 -0.22 73
IV.LIBRI.HHZ. 2023-10-23T02:57:32.95 3.0 negative manual P -0.1 0
IV.ESCV.HHE. 2023-10-23T02:57:32.56 0.6 undecidable manual S 23 22.5552 134 0.85 40
IV.ECTS.HHZ. 2023-10-23T02:57:31.24 3.0 undecidable manual P -0.12 0
IV.GALF.HHZ. 2023-10-23T02:57:31.26 0.6 undecidable manual S 322 21.1677 136 -0.19 49
IV.EPMN.HHZ. 2023-10-23T02:57:31.08 3.0 positive manual P -0.17 0
IV.MSFR.HHE. 2023-10-23T02:57:31.58 0.1 undecidable manual P 348 53.7018 110 0.09 95
IV.SSY.HHZ. 2023-10-23T02:57:31.43 3.0 positive manual P -0.16 0
IV.RAFF.HHZ. 2023-10-23T02:57:31.00 3.0 positive manual P 0.63 0
IV.AGST.EHZ. 2023-10-23T02:57:31.55 0.3 negative manual P 126 56.2992 109 -0.33 67
IV.ESML.HHZ. 2023-10-23T02:57:30.28 0.6 undecidable manual S 66 15.873 145 -0.27 49
IV.EPOZ.HHZ. 2023-10-23T02:57:30.58 0.1 positive manual P 73 43.5231 115 0.54 87
IV.HAGA.HHE. 2023-10-23T02:57:30.56 0.1 undecidable manual P 128 49.3173 111 -0.31 91
IV.EVRN.HHZ. 2023-10-23T02:57:29.55 0.3 negative manual P 69 39.7269 117 0.04 74
IV.EPZF.HHZ. 2023-10-23T02:57:29.77 3.0 negative manual P 1.36 0
IV.HVZN.HHZ. 2023-10-23T02:57:29.65 3.0 positive manual P 0.22 0
IT.LNT.HGE. 2023-10-23T02:57:29.13 0.1 undecidable manual P 140 39.3273 117 -0.33 92
IV.ESPC.HHE. 2023-10-23T02:57:28.23 0.1 undecidable manual P 62 31.2465 124 -0.15 97
IV.EMPL.HHE. 2023-10-23T02:57:28.09 0.1 undecidable manual P 59 26.0517 130 0.34 95
IV.HLNI.HHZ. 2023-10-23T02:57:27.43 1.0 undecidable manual P 149 27.2505 128 -0.46 23
IV.EMSA.HHE. 2023-10-23T02:57:27.48 0.1 undecidable manual P 109 21.4674 136 0.26 97
IV.ESCV.HHE. 2023-10-23T02:57:27.27 0.1 undecidable manual P 23 22.5552 134 -0.08 100
IV.ESML.HHZ. 2023-10-23T02:57:26.35 0.3 positive manual P 66 15.873 145 -0.33 72
IV.GALF.HHZ. 2023-10-23T02:57:26.63 0.3 positive manual P 322 21.1677 136 -0.57 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHN. ML:2.4 0.0014 0.48 AML other m 2023-10-23T02:57:31.34
IV.ESML.HNN. ML:2.4 0.001353 0.6 AML other m 2023-10-23T02:57:31.35
IV.GALF.HHE. ML:2.5 0.001355 0.84 AML other m 2023-10-23T02:57:32.55
IV.GALF.HNN. ML:2.2 0.0008455 0.48 AML other m 2023-10-23T02:57:32.13
IV.ESML.HHE. ML:2.1 0.0007005000000000001 0.22 AML other m 2023-10-23T02:57:32.32
IV.GALF.HHN. ML:2.5 0.00152 0.48 AML other m 2023-10-23T02:57:32.12
IV.GALF.HNE. ML:2.0 0.00048699999999999997 0.54 AML other m 2023-10-23T02:57:32.57
IV.HLNI.HNN. ML:2.0 0.0003595 1.08 AML other m 2023-10-23T02:57:33.54
IV.HLNI.HHN. ML:2.0 0.0003925 1.08 AML other m 2023-10-23T02:57:33.54
IV.HLNI.HHE. ML:2.0 0.00035250000000000006 0.58 AML other m 2023-10-23T02:57:33.91
IV.HLNI.HNE. ML:2.0 0.0003565 0.58 AML other m 2023-10-23T02:57:33.91
IV.ESML.HNE. ML:2.1 0.0007125 1.22 AML other m 2023-10-23T02:57:34.85
IV.EVRN.HHE. ML:2.3 0.0005480000000000001 0.94 AML other m 2023-10-23T02:57:36.22
IV.HVZN.HNN. ML:2.2 0.0004615 0.52 AML other m 2023-10-23T02:57:38.55
IV.HVZN.HHN. ML:2.2 0.00043200000000000004 1.24 AML other m 2023-10-23T02:57:38.19
IV.RAFF.HHN. ML:2.0 0.0002155 1.8 AML other m 2023-10-23T02:57:40.93
IV.AGST.EHN. ML:2.7 0.0011065 0.34 AML other m 2023-10-23T02:57:40.06
IV.AGST.EHE. ML:2.5 0.0007135 0.66 AML other m 2023-10-23T02:57:40.26
IV.MUCR.HHE. ML:1.8 0.00011549999999999999 0.84 AML other m 2023-10-23T02:57:40.13
IV.RAFF.HHE. ML:1.6 0.0001051 1.46 AML other m 2023-10-23T02:57:40.10
IV.EVRN.HHN. ML:2.4 0.0006485000000000001 0.22 AML other m 2023-10-23T02:57:40.99
IV.HVZN.HHE. ML:2.1 0.00037250000000000006 1.04 AML other m 2023-10-23T02:57:41.06
IV.HVZN.HNE. ML:2.2 0.00042500000000000003 1.04 AML other m 2023-10-23T02:57:41.08
IV.NOV.HHN. ML:1.7 0.00008790000000000001 0.48 AML other m 2023-10-23T02:57:41.43
IV.SSY.HHE. ML:2.3 0.00038500000000000003 0.64 AML other m 2023-10-23T02:57:41.49
IV.SSY.HNN. ML:2.4 0.0005645 1 AML other m 2023-10-23T02:57:41.90
IV.MUCR.HHN. ML:1.9 0.000153 1.68 AML other m 2023-10-23T02:57:41.13
IV.LIBRI.HNN. ML:2.0 0.0002065 0.2 AML other m 2023-10-23T02:57:42.43
IV.LIBRI.HNE. ML:2.1 0.0002405 0.46 AML other m 2023-10-23T02:57:42.75
IV.LIBRI.HHN. ML:1.8 0.0001111 1.24 AML other m 2023-10-23T02:57:42.75
IV.NOV.HHE. ML:2.0 0.0001555 1.6 AML other m 2023-10-23T02:57:42.95
IV.HSRS.HHN. ML:2.1 0.0001975 0.42 AML other m 2023-10-23T02:57:43.05
IV.LIBRI.HHE. ML:1.8 0.00011449999999999999 0.44 AML other m 2023-10-23T02:57:43.34
IV.HSRS.HHE. ML:2.0 0.000144 0.78 AML other m 2023-10-23T02:57:43.57
IV.SSY.HNE. ML:2.4 0.000521 0.7 AML other m 2023-10-23T02:57:43.78
IV.SSY.HHN. ML:2.5 0.000674 0.14 AML other m 2023-10-23T02:57:43.83
IV.HAVL.HHE. ML:2.4 0.000333 0.48 AML other m 2023-10-23T02:57:46.56
IV.HAVL.HHN. ML:2.4 0.000386 1.64 AML other m 2023-10-23T02:57:47.91
IV.ISPIC.HNN. ML:2.6 0.00041600000000000003 0.16 AML other m 2023-10-23T02:57:49.85
IV.ISPIC.HHN. ML:2.6 0.00042200000000000007 0.16 AML other m 2023-10-23T02:57:49.85
IV.ISPIC.HHE. ML:2.4 0.000263 0.1 AML other m 2023-10-23T02:57:50.10
IV.ISPIC.HNE. ML:2.4 0.000266 0.62 AML other m 2023-10-23T02:57:50.10
IV.PLLN.EHE. ML:1.8 0.0000924 0.64 AML other m 2023-10-23T02:57:51.54
IV.PLLN.EHN. ML:1.7 0.00008555 0.44 AML other m 2023-10-23T02:57:53.69
IV.SOI.EHN. ML:1.8 0.00003995 0.42 AML other m 2023-10-23T02:58:03.74
IV.SOI.EHE. ML:1.7 0.000029400000000000003 0.52 AML other m 2023-10-23T02:58:04.40
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