Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 01-01-2023 and time 01:11:21 (Italy) in region 2 km E Ragalna (CT)

A magnitude ML 2.1 earthquake occured in region: 2 km E Ragalna (CT), on

  • 01-01-2023 00:11:21 (UTC)
  • 01-01-2023 01:11:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6250, 14.9600 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 3924 3924
Belpasso CT 4 28108 32032
Nicolosi CT 6 7463 39495
Santa Maria di Licodia CT 6 7641 47136
Paternò CT 7 48228 95364
Camporotondo Etneo CT 8 5023 100387
San Pietro Clarenza CT 8 7743 108130
Biancavilla CT 8 24007 132137
Pedara CT 9 14102 146239
Mascalucia CT 10 31958 178197
Trecastagni CT 11 10910 189107
Tremestieri Etneo CT 11 20589 209696
Gravina di Catania CT 12 25838 235534
Adrano CT 12 36122 271656
Misterbianco CT 12 49410 321066
Viagrande CT 12 8563 329629
Motta Sant'Anastasia CT 12 12116 341745
Sant'Agata li Battiati CT 13 9479 351224
San Giovanni la Punta CT 13 23060 374284
Aci Bonaccorsi CT 14 3524 377808
San Gregorio di Catania CT 15 11966 389774
Aci Sant'Antonio CT 15 17984 407758
Zafferana Etnea CT 15 9517 417275
Valverde CT 15 7840 425115
Aci Catena CT 16 29851 454966
Santa Venerina CT 17 8592 463558
Catania CT 18 314555 778113
Milo CT 18 1087 779200
Aci Castello CT 18 18723 797923
Acireale CT 18 52622 850545
Centuripe EN 19 5470 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Catania (314555 inhabitants)
18 Km W of Acireale (52622 inhabitants)
69 Km NW of Siracusa (122291 inhabitants)
80 Km N of Ragusa (73313 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km SW of Messina (238439 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
87 Km N of Modica (54633 inhabitants)
88 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
Bulletin
Rev1000 		ML 2.1 2023-01-01
00:11:21		 37.6248 14.96 7 2024-03-01
17:18:12		 Bollettino Sismico Italiano INGV 118929951
Reviewed
Rev200 		ML 2.0 2023-01-01
00:11:21		 37.642 14.96 3 2023-07-03
09:51:53		 Sala Operativa INGV_OE (Catania) 113221151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-01 00:11:21 ± 0.1
Latitude 37.6248 ± 0.0045
Longitude 14.9600 ± 0.0079
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118929951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
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) 43
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77162
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 118929951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-03 09:51:44

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 113221151
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-01-01 00:20:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2023-01-01T00:11:52.24 3.0 negative manual P 0.78 0
IV.HAVL.HHZ. 2023-01-01T00:11:45.90 0.6 undecidable manual S 169 75.1692 50 0.55 40
IV.SSY.HHZ. 2023-01-01T00:11:40.11 0.6 undecidable manual S 169 52.8027 50 0.73 38
IV.MSRU.HHZ. 2023-01-01T00:11:37.20 0.6 undecidable manual P 34 85.6476 50 0.14 43
IV.HCRL.HHZ. 2023-01-01T00:11:35.60 0.6 undecidable manual S 170 38.4282 100 0.1 47
IV.HAVL.HHZ. 2023-01-01T00:11:34.75 0.1 undecidable manual P 169 75.1692 50 -0.71 74
IV.RAFF.HHZ. 2023-01-01T00:11:34.47 0.3 undecidable manual P 230 68.9754 50 -0.04 67
IV.EPMN.HHZ. 2023-01-01T00:11:32.87 0.6 undecidable manual S 41 28.8489 104 0.62 42
IV.HLNI.HHZ. 2023-01-01T00:11:32.80 0.6 undecidable manual S 194 31.6461 103 -0.37 45
IV.SSY.HHZ. 2023-01-01T00:11:31.55 0.3 undecidable manual P 169 52.8027 50 -0.46 64
IV.GALF.HHZ. 2023-01-01T00:11:30.10 0.3 undecidable manual P 286 35.8419 101 0.85 56
IV.AIO.HHZ. 2023-01-01T00:11:30.83 0.3 undecidable manual P 32 45.2214 50 -0.02 71
IV.EMSG.HHZ. 2023-01-01T00:11:29.10 0.6 undecidable manual S 358 21.7671 108 -0.77 40
IV.HCRL.HHZ. 2023-01-01T00:11:29.04 0.1 undecidable manual P 170 38.4282 100 -0.72 79
IV.HLNI.HHZ. 2023-01-01T00:11:27.78 0.1 undecidable manual P 194 31.6461 103 -0.64 83
IV.EMFO.HHE. 2023-01-01T00:11:27.77 0.6 undecidable manual S 43 16.7721 113 -0.48 45
IV.EPMN.HHZ. 2023-01-01T00:11:27.84 0.3 undecidable manual P 41 28.8489 104 -0.05 72
IV.EPZF.HHZ. 2023-01-01T00:11:27.26 0.3 undecidable manual P 338 23.8539 106 0.34 69
IV.ECZM.HHN. 2023-01-01T00:11:27.95 0.6 undecidable manual S 337 12.7761 119 0.95 37
IV.EPOZ.HHZ. 2023-01-01T00:11:26.65 0.3 undecidable manual P 75 20.7681 109 0.33 69
IV.EMSG.HHZ. 2023-01-01T00:11:26.81 0.3 undecidable manual P 358 21.7671 108 0.29 70
IV.EMSA.HHZ. 2023-01-01T00:11:26.11 0.3 undecidable manual P 185 14.1747 116 1.01 54
IV.ESAL.HHZ. 2023-01-01T00:11:26.74 0.1 undecidable manual P 47 21.0678 108 0.36 92
IV.EPIT.HHZ. 2023-01-01T00:11:26.66 0.3 undecidable manual P 22 22.3554 107 0.03 73
IV.ESPC.HHN. 2023-01-01T00:11:26.00 0.6 undecidable manual S 38 9.5793 126 -0.05 50
IV.ECHR.HHE. 2023-01-01T00:11:26.04 0.6 undecidable manual S 329 7.9809 131 0.42 46
1J.FX06.EHN. 2023-01-01T00:11:25.94 0.1 undecidable manual P 161 11.9769 120 1.22 66
IV.EVRN.HNN. 2023-01-01T00:11:25.57 0.3 undecidable manual P 65 16.9719 112 -0.05 74
IV.EMPL.HHZ. 2023-01-01T00:11:25.15 0.6 undecidable manual S 9 6.0939 139 -0.01 51
IV.ESLN.HHZ. 2023-01-01T00:11:25.72 0.6 undecidable manual S 9 7.6812 132 0.16 49
IV.EMFO.HHE. 2023-01-01T00:11:25.13 0.3 undecidable manual P 43 16.7721 113 -0.45 68
IV.ESML.HNZ. 2023-01-01T00:11:25.36 0.6 undecidable manual S 264 7.0929 135 -0.05 50
IV.ECZM.HHN. 2023-01-01T00:11:24.85 0.1 undecidable manual P 337 12.7761 119 -0.01 100
IV.ENIC.HHZ. 2023-01-01T00:11:24.93 0.3 undecidable manual S 82 5.4945 142 -0.09 75
IV.EMFS.HHE. 2023-01-01T00:11:24.43 0.3 undecidable manual P 18 11.0778 122 -0.13 73
IV.EMAS.HHZ. 2023-01-01T00:11:24.95 0.1 undecidable manual P 122 9.5793 126 0.63 86
IV.ESPC.HHN. 2023-01-01T00:11:24.02 0.1 undecidable manual P 38 9.5793 126 -0.29 95
IV.EMPL.HHZ. 2023-01-01T00:11:23.50 0.1 negative manual P 9 6.0939 139 -0.3 95
IV.ESLN.HHZ. 2023-01-01T00:11:23.77 0.1 undecidable manual P 9 7.6812 132 -0.26 96
IV.ESML.HNZ. 2023-01-01T00:11:23.60 0.1 positive manual P 264 7.0929 135 -0.34 94
IV.ENIC.HHZ. 2023-01-01T00:11:23.47 0.1 undecidable manual P 82 5.4945 142 -0.25 96
IV.ECHR.HHE. 2023-01-01T00:11:23.80 0.1 undecidable manual P 329 7.9809 131 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPIT.HHN. ML:2.7 0.0034850000000000003 0.32 AML other m 2023-01-01T00:11:32.21
IV.EPOZ.HHN. ML:2.0 0.000768 1.2 AML other m 2023-01-01T00:11:32.88
IV.EPOZ.HNE. ML:2.2 0.00126 0.82 AML other m 2023-01-01T00:11:32.53
IV.EPOZ.HHE. ML:2.1 0.0010329999999999998 0.86 AML other m 2023-01-01T00:11:32.51
IV.ESAL.HHE. ML:2.4 0.0019199999999999998 1.6 AML other m 2023-01-01T00:11:33.15
IV.EPMN.HHN. ML:2.4 0.001375 0.32 AML other m 2023-01-01T00:11:34.38
IV.EPMN.HHE. ML:2.2 0.0008990000000000001 0.3 AML other m 2023-01-01T00:11:34.54
IV.EPOZ.HNN. ML:2.0 0.0008385 0.78 AML other m 2023-01-01T00:11:34.25
IV.EPIT.HHE. ML:2.6 0.0024500000000000004 1.26 AML other m 2023-01-01T00:11:35.03
IV.HLNI.HHN. ML:1.6 0.0002065 0.32 AML other m 2023-01-01T00:11:35.64
IV.HCRL.HHE. ML:1.6 0.00016399999999999997 0.14 AML other m 2023-01-01T00:11:36.21
IV.EMSG.HHN. ML:2.4 0.00176 0.74 AML other m 2023-01-01T00:11:36.72
IV.HCRL.HHN. ML:1.6 0.00015849999999999998 0.16 AML other m 2023-01-01T00:11:36.35
IV.HLNI.HHE. ML:1.5 0.0001385 0.54 AML other m 2023-01-01T00:11:36.59
IV.EMSG.HHE. ML:2.3 0.0015699999999999998 1.48 AML other m 2023-01-01T00:11:38.75
IV.ESAL.HHN. ML:2.2 0.0011549999999999998 0.3 AML other m 2023-01-01T00:11:38.40
IV.EPZF.HHE. ML:2.3 0.00135 0.46 AML other m 2023-01-01T00:11:40.36
IV.EPZF.HHN. ML:2.4 0.001465 0.42 AML other m 2023-01-01T00:11:40.86
IV.AIO.HHN. ML:1.8 0.00019600000000000002 0.86 AML other m 2023-01-01T00:11:41.46
IV.GALF.HHE. ML:2.5 0.0013700000000000001 0.56 AML other m 2023-01-01T00:11:42.25
IV.AIO.HHE. ML:1.8 0.0002055 1.56 AML other m 2023-01-01T00:11:42.13
IV.GALF.HHN. ML:2.5 0.0013199999999999998 1.34 AML other m 2023-01-01T00:11:43.15
IV.HAVL.HHE. ML:2.0 0.0001455 0.2 AML other m 2023-01-01T00:11:46.41
IV.HAVL.HHN. ML:2.2 0.000246 0.24 AML other m 2023-01-01T00:11:46.39
IV.SSY.HHE. ML:2.2 0.00041749999999999996 0.78 AML other m 2023-01-01T00:11:46.58
IV.SSY.HNN. ML:2.0 0.0002395 0.4 AML other m 2023-01-01T00:11:47.02
IV.RAFF.HHN. ML:1.7 0.0000951 0.98 AML other m 2023-01-01T00:11:47.58
IV.RAFF.HHE. ML:2.0 0.00016099999999999998 0.46 AML other m 2023-01-01T00:11:47.56
IV.SSY.HHN. ML:2.6 0.0009319999999999999 0.34 AML other m 2023-01-01T00:11:52.56
IV.SSY.HNE. ML:2.1 0.000299 0.34 AML other m 2023-01-01T00:11:52.57
IV.MSRU.HHE. ML:2.0 0.0001231 1.5 AML other m 2023-01-01T00:11:53.03
IV.MSRU.HHN. ML:1.8 0.00008135000000000001 0.82 AML other m 2023-01-01T00:11:55.75
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