Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 01-03-2023 and time 07:30:07 (UTC) in region 13 km N Ragalna (CT)

A magnitude ML 2.0 earthquake occured in region: 13 km N Ragalna (CT), on

  • 01-03-2023 07:30:07 (UTC)
  • 01-03-2023 08:30:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7430, 14.9660 at 25 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.

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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
Ragalna CT 13 3924 3924
Bronte CT 13 19172 23096
Maletto CT 13 3920 27016
Zafferana Etnea CT 13 9517 36533
Milo CT 13 1087 37620
Biancavilla CT 14 24007 61627
Adrano CT 15 36122 97749
Nicolosi CT 15 7463 105212
Randazzo CT 15 10900 116112
Santa Maria di Licodia CT 16 7641 123753
Sant'Alfio CT 16 1582 125335
Pedara CT 16 14102 139437
Santa Venerina CT 17 8592 148029
Belpasso CT 17 28108 176137
Trecastagni CT 17 10910 187047
Viagrande CT 19 8563 195610
Moio Alcantara ME 19 717 196327
Paternò CT 19 48228 244555
Linguaglossa CT 19 5403 249958
Maniace CT 19 3765 253723
Santa Domenica Vittoria ME 19 980 254703
Giarre CT 19 27659 282362
San Pietro Clarenza CT 20 7743 290105
Camporotondo Etneo CT 20 5023 295128

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
29 Km NW of Catania (314555 inhabitants)
72 Km SW of Messina (238439 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 inhabitants)
100 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
Bulletin
Rev1000 		ML 2.0 2023-03-01
07:30:07		 37.743 14.9657 25 2024-03-01
17:17:57		 Bollettino Sismico Italiano INGV 114960241
Reviewed
Rev200 		ML 1.7 2023-03-01
07:30:07		 37.741 14.965 20 2023-12-14
23:25:04		 Sala Operativa INGV_OE (Catania) 114908751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-01 07:30:07 ± 0.12
Latitude 37.7430 ± 0.0054
Longitude 14.9657 ± 0.0080
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114960241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 621
Semi-minor axis of confidence ellipse (meter) 334
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 114960241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-14 23:28:30

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 114908751
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-03-01 07:45:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-03-01T07:30:28.63 0.6 undecidable manual S 172 65.5899 105 0.87 35
IV.HLNI.HHZ. 2023-03-01T07:30:22.66 0.6 undecidable manual S 191 44.5221 113 0.24 44
IV.GALF.HHZ. 2023-03-01T07:30:21.08 0.6 undecidable manual S 264 35.2425 119 0.9 35
IV.MSRU.HHZ. 2023-03-01T07:30:20.52 0.6 undecidable manual P 39 74.7696 103 0.04 44
IV.MUCR.HHZ. 2023-03-01T07:30:20.22 0.6 undecidable manual S 346 34.2435 120 0.26 45
IV.AIO.HHZ. 2023-03-01T07:30:20.41 0.6 undecidable manual S 43 34.4433 120 0.4 44
IV.SSY.HHZ. 2023-03-01T07:30:19.18 0.1 undecidable manual P 172 65.5899 105 0.07 88
IV.ECTS.HHZ. 2023-03-01T07:30:17.08 0.6 undecidable manual S 41 20.5683 136 0.02 49
IV.MPNC.HHZ. 2023-03-01T07:30:17.78 0.3 undecidable manual P 37 56.0994 108 0.08 67
IV.EPMN.HHZ. 2023-03-01T07:30:17.48 0.6 undecidable manual S 65 20.4684 136 0.44 45
IV.EPIT.HHZ. 2023-03-01T07:30:16.16 0.6 undecidable manual S 46 10.9779 154 0.58 44
IV.ECBD.HHZ. 2023-03-01T07:30:16.32 0.6 undecidable manual S 69 11.3775 153 0.69 42
IV.MSFR.HHZ. 2023-03-01T07:30:16.21 0.3 undecidable manual P 315 46.0206 112 -0.02 70
IV.EPZF.HHZ. 2023-03-01T07:30:15.82 0.3 undecidable manual S 313 13.0758 149 -0.03 74
IV.ESVO.HHZ. 2023-03-01T07:30:15.50 0.6 undecidable manual S 334 3.6963 171 0.52 45
IV.HLNI.HHZ. 2023-03-01T07:30:15.79 0.1 undecidable manual P 191 44.5221 113 -0.24 90
IV.EMSG.HHZ. 2023-03-01T07:30:15.44 0.6 undecidable manual S 351 8.7801 159 0.1 49
IV.EMPL.HHZ. 2023-03-01T07:30:15.09 0.6 undecidable manual S 177 7.0929 162 -0.1 49
IV.EMNR.HHZ. 2023-03-01T07:30:15.86 0.6 undecidable manual S 33 9.7791 156 0.42 46
IV.EMCN.HHZ. 2023-03-01T07:30:15.71 0.6 undecidable manual S 48 7.9809 160 0.44 46
IV.EMFO.HHZ. 2023-03-01T07:30:15.06 0.6 undecidable manual S 94 10.9779 154 -0.52 44
IV.GALF.HHZ. 2023-03-01T07:30:14.88 0.3 undecidable manual P 264 35.2425 119 0.15 69
IV.EMFS.HHZ. 2023-03-01T07:30:14.77 0.6 undecidable manual S 133 3.7962 170 -0.22 48
IV.MUCR.HHZ. 2023-03-01T07:30:14.08 0.1 undecidable manual P 346 34.2435 120 -0.52 86
IV.ESLN.HHZ. 2023-03-01T07:30:14.78 0.3 undecidable manual S 172 5.5944 166 -0.3 70
IV.AIO.HHZ. 2023-03-01T07:30:14.87 0.6 undecidable manual P 43 34.4433 120 0.23 45
IV.ESPC.HHZ. 2023-03-01T07:30:14.67 0.3 undecidable manual S 136 7.7811 161 -0.58 64
IV.EPOZ.HHZ. 2023-03-01T07:30:13.66 0.6 undecidable manual P 112 21.0678 135 0.67 41
IV.ECBD.HHZ. 2023-03-01T07:30:12.22 0.1 undecidable manual P 69 11.3775 153 0.12 97
IV.ESML.HHZ. 2023-03-01T07:30:12.83 0.3 undecidable manual P 209 15.7731 144 0.37 68
IV.EPMN.HHZ. 2023-03-01T07:30:12.97 0.1 negative manual P 65 20.4684 136 0.05 97
IV.ECTS.HHZ. 2023-03-01T07:30:12.75 0.3 undecidable manual P 41 20.5683 136 -0.18 71
IV.EVRN.HHZ. 2023-03-01T07:30:12.48 0.3 undecidable manual P 112 16.0728 144 0 74
IV.ESAL.HHZ. 2023-03-01T07:30:12.70 0.3 undecidable manual P 85 14.874 146 0.32 69
IV.EPIT.HHZ. 2023-03-01T07:30:12.17 0.1 negative manual P 46 10.9779 154 0.09 98
IV.EMNR.HHZ. 2023-03-01T07:30:12.04 0.1 undecidable manual P 33 9.7791 156 0.04 99
IV.EMFS.HHZ. 2023-03-01T07:30:11.52 0.1 undecidable manual P 133 3.7962 170 -0.22 96
IV.ESLN.HHZ. 2023-03-01T07:30:11.53 0.1 undecidable manual P 172 5.5944 166 -0.26 95
IV.ECHR.HNZ. 2023-03-01T07:30:11.92 0.3 undecidable manual P 216 7.7811 161 0.03 74
IV.EMCN.HHZ. 2023-03-01T07:30:11.76 0.3 undecidable manual P 48 7.9809 160 -0.14 73
IV.ESPC.HHZ. 2023-03-01T07:30:11.43 0.1 undecidable manual P 136 7.7811 161 -0.46 91
IV.EMFO.HHZ. 2023-03-01T07:30:11.62 0.1 undecidable manual P 94 10.9779 154 -0.46 90
IV.EPZF.HHZ. 2023-03-01T07:30:11.89 0.1 undecidable manual P 313 13.0758 149 -0.34 93
IV.ESVO.HHZ. 2023-03-01T07:30:11.70 0.1 undecidable manual P 334 3.6963 171 -0.03 100
IV.EMPL.HHZ. 2023-03-01T07:30:11.76 0.1 undecidable manual P 177 7.0929 162 -0.09 98
IV.EMSG.HHZ. 2023-03-01T07:30:11.70 0.1 positive manual P 351 8.7801 159 -0.24 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.2 0.0010400000000000001 0.48 AML other m 2023-03-01T07:30:15.88
IV.EPZF.HHE. ML:1.9 0.0004525 1.3 AML other m 2023-03-01T07:30:17.80
IV.EMSG.HHE. ML:2.2 0.0009045 0.3 AML other m 2023-03-01T07:30:17.01
IV.EPIT.HHE. ML:2.1 0.000734 0.88 AML other m 2023-03-01T07:30:17.21
IV.EPZF.HHN. ML:2.0 0.0006274999999999999 0.46 AML other m 2023-03-01T07:30:17.58
IV.EPMN.HHN. ML:2.1 0.0005605 0.44 AML other m 2023-03-01T07:30:17.62
IV.EPMN.HHE. ML:2.1 0.000669 0.22 AML other m 2023-03-01T07:30:18.23
IV.ESML.HHN. ML:1.8 0.000338 0.64 AML other m 2023-03-01T07:30:18.77
IV.MUCR.HHE. ML:1.9 0.00024349999999999998 0.52 AML other m 2023-03-01T07:30:20.51
IV.AIO.HHE. ML:1.7 0.00017649999999999998 0.3 AML other m 2023-03-01T07:30:20.97
IV.EPIT.HHN. ML:2.0 0.0006835 1.8 AML other m 2023-03-01T07:30:20.07
IV.MUCR.HHN. ML:1.8 0.00020250000000000002 0.48 AML other m 2023-03-01T07:30:21.31
IV.AIO.HHN. ML:1.7 0.00016749999999999998 0.5 AML other m 2023-03-01T07:30:22.11
IV.ESML.HHE. ML:1.8 0.0003185 0.6 AML other m 2023-03-01T07:30:22.19
IV.GALF.HHN. ML:2.1 0.000407 1.44 AML other m 2023-03-01T07:30:23.11
IV.GALF.HHE. ML:2.3 0.000683 0.48 AML other m 2023-03-01T07:30:23.69
IV.MPNC.HHN. ML:1.9 0.00015900000000000002 0.72 AML other m 2023-03-01T07:30:26.59
IV.MPNC.HHE. ML:1.8 0.000131 0.4 AML other m 2023-03-01T07:30:27.29
IV.SSY.HNN. ML:2.1 0.00020850000000000003 1.02 AML other m 2023-03-01T07:30:30.47
IV.SSY.HHN. ML:2.6 0.0006594999999999999 0.7 AML other m 2023-03-01T07:30:31.41
IV.SSY.HHE. ML:2.4 0.00038250000000000003 0.96 AML other m 2023-03-01T07:30:31.82
IV.SSY.HNE. ML:2.1 0.00022600000000000002 0.82 AML other m 2023-03-01T07:30:31.41
IV.SPS2.HHN. ML:2.0 0.000027099999999999998 0.18 AML other m 2023-03-01T07:31:18.42
IV.SPS2.HHE. ML:2.0 0.0000252 0.72 AML other m 2023-03-01T07:31:26.52
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