Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 14-03-2023 and time 11:34:34 (Italy) in region 7 km E Maletto (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km E Maletto (CT), on

  • 14-03-2023 10:34:34 (UTC)
  • 14-03-2023 11:34:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8160, 14.9400 at 29 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
Maletto CT 7 3920 3920
Randazzo CT 7 10900 14820
Bronte CT 10 19172 33992
Santa Domenica Vittoria ME 11 980 34972
Maniace CT 13 3765 38737
Moio Alcantara ME 14 717 39454
Roccella Valdemone ME 15 666 40120
Malvagna ME 15 733 40853
Castiglione di Sicilia CT 18 3215 44068
Linguaglossa CT 18 5403 49471
Milo CT 19 1087 50558
Floresta ME 19 485 51043
Adrano CT 19 36122 87165
Zafferana Etnea CT 20 9517 96682
Sant'Alfio CT 20 1582 98264
Francavilla di Sicilia ME 20 3945 102209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Acireale (52622 inhabitants)
37 Km NW of Catania (314555 inhabitants)
69 Km SW of Messina (238439 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
90 Km NW of Siracusa (122291 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 2023-03-14
10:34:34		 37.816 14.9397 29 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116086041
Reviewed
Rev200 		ML 2.0 2023-03-14
10:34:34		 37.833 14.93 20 2023-11-28
14:18:08		 Sala Operativa INGV_OE (Catania) 115358491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-14 10:34:34 ± 0.1
Latitude 37.8160 ± 0.0036
Longitude 14.9397 ± 0.0068
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116086041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 533
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
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) 0.00899
Epicentral distance of station farthest from the epicenter (degree) 1.01623
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 115358491
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-03-14 10:44:00

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 116086041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 14:17:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2023-03-14T10:35:02.95 0.6 undecidable manual S 188 96.0261 102 0.27 40
IV.HAVL.HHZ. 2023-03-14T10:35:02.75 0.6 undecidable manual S 170 96.3258 102 -0.01 42
IV.AGST.EHZ. 2023-03-14T10:34:55.21 0.6 undecidable manual S 158 66.9774 108 0.03 45
IV.CLTA.HHZ. 2023-03-14T10:34:54.33 0.3 undecidable manual P 230 112.7982 54 1.21 39
IV.SOI.EHZ. 2023-03-14T10:34:52.10 0.3 undecidable manual P 73 101.6205 101 0.68 52
IV.HLNI.HHZ. 2023-03-14T10:34:51.28 0.6 undecidable manual S 187 52.2033 113 -0.2 45
IV.MPNC.HHZ. 2023-03-14T10:34:51.89 0.6 undecidable manual S 44 51.5151 114 0.59 40
IV.HMDC.HHZ. 2023-03-14T10:34:50.37 0.3 undecidable manual P 188 96.0261 102 -0.22 62
IV.HAVL.HHZ. 2023-03-14T10:34:50.24 0.1 undecidable manual P 170 96.3258 102 -0.4 79
IV.RAFF.HHZ. 2023-03-14T10:34:49.32 0.1 undecidable manual P 218 83.1501 104 0.67 72
IV.CSLB.HHZ. 2023-03-14T10:34:48.19 0.3 undecidable manual P 280 78.366 105 0.25 62
IV.MSFR.HHZ. 2023-03-14T10:34:48.64 0.6 undecidable manual S 309 38.8278 121 0.32 44
IV.AIO.HHZ. 2023-03-14T10:34:47.08 0.3 undecidable manual S 56 30.9468 128 0.5 65
IV.MCPD.HHZ. 2023-03-14T10:34:47.92 0.6 undecidable manual S 332 38.3283 122 -0.27 45
IV.LIBRI.HHZ. 2023-03-14T10:34:46.05 0.6 undecidable manual S 358 29.748 130 -0.27 45
IV.AGST.EHZ. 2023-03-14T10:34:45.99 0.1 negative manual P 158 66.9774 108 -0.27 86
IV.MUCR.HHZ. 2023-03-14T10:34:45.44 0.6 undecidable manual S 347 25.8519 134 -0.11 47
IV.IVPL.HHZ. 2023-03-14T10:34:45.96 0.3 undecidable manual P 3 62.2932 109 0.4 62
IV.ECBD.HHZ. 2023-03-14T10:34:44.04 0.6 undecidable manual S 107 13.4754 153 0.48 45
IV.MILZ.HHN. 2023-03-14T10:34:44.28 0.3 undecidable manual P 27 56.5989 112 -0.46 63
IV.EPIT.HHZ. 2023-03-14T10:34:44.02 0.6 undecidable manual S 93 10.2786 159 0.81 40
IV.ECHR.HNZ. 2023-03-14T10:34:44.64 0.6 undecidable manual S 189 14.5743 151 0.94 38
IV.MPNC.HHZ. 2023-03-14T10:34:44.31 0.3 undecidable manual P 44 51.5151 114 0.29 65
IV.ECZM.HHZ. 2023-03-14T10:34:43.41 0.6 undecidable manual S 198 9.879 159 0.24 48
IV.ESPC.HHZ. 2023-03-14T10:34:43.34 0.6 undecidable manual S 151 15.6732 149 -0.51 44
IV.EMCN.HNZ. 2023-03-14T10:34:43.06 0.6 undecidable manual S 108 8.6802 162 0 49
IV.ESCV.HHZ. 2023-03-14T10:34:43.65 0.6 undecidable manual S 235 13.2756 153 0.11 49
IV.EMNR.HHZ. 2023-03-14T10:34:43.14 0.6 undecidable manual S 89 7.5813 164 0.17 49
IV.ECTS.HHZ. 2023-03-14T10:34:43.77 0.6 undecidable manual S 65 17.4714 146 -0.34 46
IV.HLNI.HHZ. 2023-03-14T10:34:43.79 0.1 undecidable manual P 187 52.2033 113 -0.34 87
IV.ESVO.HHZ. 2023-03-14T10:34:43.11 0.6 undecidable manual S 172 4.7952 170 0.3 48
IV.MSFR.HHZ. 2023-03-14T10:34:42.25 0.1 negative manual P 309 38.8278 121 -0.05 94
IV.EMSG.HHZ. 2023-03-14T10:34:42.32 0.6 undecidable manual S 59 0.999 178 -0.38 46
IV.MCPD.HHZ. 2023-03-14T10:34:42.05 0.1 negative manual P 332 38.3283 122 -0.17 92
IV.EMAS.HHZ. 2023-03-14T10:34:41.67 0.3 undecidable manual P 159 28.0497 131 0.72 59
IV.AIO.HHZ. 2023-03-14T10:34:41.37 0.1 negative manual P 56 30.9468 128 0.08 94
IV.ESAL.HHZ. 2023-03-14T10:34:40.16 0.1 negative manual P 112 18.3705 144 0.21 94
IV.ENIC.HHZ. 2023-03-14T10:34:40.09 0.3 undecidable manual P 161 21.6672 139 -0.17 71
IV.ESML.HHZ. 2023-03-14T10:34:40.64 0.1 undecidable manual P 194 22.5552 138 0.29 92
IV.LIBRI.HHZ. 2023-03-14T10:34:40.90 0.1 negative manual P 358 29.748 130 -0.25 92
IV.EVRN.HHZ. 2023-03-14T10:34:40.30 0.3 undecidable manual P 129 22.2555 139 -0.01 73
IV.EPMN.HHZ. 2023-03-14T10:34:40.04 0.1 negative manual P 89 20.868 141 -0.14 95
IV.MUCR.HHZ. 2023-03-14T10:34:40.42 0.1 negative manual P 347 25.8519 134 -0.28 92
IV.EFIU.HNZ. 2023-03-14T10:34:40.38 0.3 undecidable manual P 97 23.9538 136 -0.11 72
IV.EMFO.HHZ. 2023-03-14T10:34:39.37 0.3 undecidable manual P 124 15.9729 148 -0.37 69
IV.EPIT.HHZ. 2023-03-14T10:34:39.43 0.1 undecidable manual P 93 10.2786 159 0.08 98
IV.ESCV.HHZ. 2023-03-14T10:34:39.19 0.1 undecidable manual P 235 13.2756 153 -0.35 92
IV.ECHR.HNZ. 2023-03-14T10:34:39.85 0.3 undecidable manual P 189 14.5743 151 0.22 71
IV.EMNR.HHZ. 2023-03-14T10:34:39.21 0.1 positive manual P 89 7.5813 164 0 100
IV.ESLN.HHZ. 2023-03-14T10:34:39.34 0.1 undecidable manual P 167 13.9749 152 -0.25 94
IV.ECZM.HHZ. 2023-03-14T10:34:39.19 0.1 undecidable manual P 198 9.879 159 -0.14 97
IV.ECBD.HHZ. 2023-03-14T10:34:39.61 0.1 negative manual P 107 13.4754 153 0.06 98
IV.EMCN.HNZ. 2023-03-14T10:34:39.27 0.1 undecidable manual P 108 8.6802 162 0.01 100
IV.EMPL.HHZ. 2023-03-14T10:34:39.62 0.1 negative manual P 170 15.4734 149 -0.08 97
IV.ESVO.HHZ. 2023-03-14T10:34:39.06 0.1 positive manual P 172 4.7952 170 -0.06 99
IV.EMFS.HHZ. 2023-03-14T10:34:39.30 0.3 undecidable manual P 154 11.877 156 -0.14 72
IV.ESPC.HHZ. 2023-03-14T10:34:39.25 0.1 negative manual P 151 15.6732 149 -0.47 89
IV.ECNE.HHZ. 2023-03-14T10:34:39.18 0.3 undecidable manual P 136 7.881 163 -0.05 74
IV.ECTS.HHZ. 2023-03-14T10:34:39.63 0.1 undecidable manual P 65 17.4714 146 -0.24 94
IV.EMSG.HHZ. 2023-03-14T10:34:38.78 0.1 positive manual P 59 0.999 178 -0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.8 0.003375 0.46 AML other m 2023-03-14T10:34:42.70
IV.EMSG.HHE. ML:2.7 0.002815 0.96 AML other m 2023-03-14T10:34:43.63
IV.ECTS.HHN. ML:2.4 0.0010505 0.18 AML other m 2023-03-14T10:34:44.06
IV.ECTS.HHE. ML:2.3 0.0008665000000000001 0.2 AML other m 2023-03-14T10:34:44.34
IV.MUCR.HHE. ML:2.1 0.000483 1.44 AML other m 2023-03-14T10:34:45.84
IV.LIBRI.HHN. ML:1.8 0.000237 0.9 AML other m 2023-03-14T10:34:46.91
IV.LIBRI.HNN. ML:2.3 0.000732 0.3 AML other m 2023-03-14T10:34:47.15
IV.ESAL.HHN. ML:2.3 0.000876 1.32 AML other m 2023-03-14T10:34:47.17
IV.AIO.HHE. ML:2.0 0.000305 0.2 AML other m 2023-03-14T10:34:47.76
IV.MUCR.HHN. ML:2.2 0.0006035 0.42 AML other m 2023-03-14T10:34:47.84
IV.LIBRI.HNE. ML:2.2 0.0005489999999999999 0.82 AML other m 2023-03-14T10:34:48.43
IV.LIBRI.HHE. ML:2.0 0.000331 0.9 AML other m 2023-03-14T10:34:48.44
IV.AIO.HHN. ML:1.9 0.000289 0.42 AML other m 2023-03-14T10:34:48.62
IV.MSFR.HHN. ML:1.7 0.000147 0.82 AML other m 2023-03-14T10:34:48.39
IV.MCPD.HHN. ML:1.6 0.000113 0.48 AML other m 2023-03-14T10:34:49.35
IV.MCPD.HHE. ML:1.6 0.00010075000000000001 0.54 AML other m 2023-03-14T10:34:49.33
IV.ESML.HNE. ML:2.1 0.00046199999999999995 1.58 AML other m 2023-03-14T10:34:49.13
IV.ESML.HHE. ML:2.1 0.000471 0.52 AML other m 2023-03-14T10:34:50.37
IV.MSFR.HHE. ML:1.7 0.000135 0.44 AML other m 2023-03-14T10:34:50.73
IV.ESML.HHN. ML:2.1 0.000499 0.76 AML other m 2023-03-14T10:34:50.77
IV.ESML.HNN. ML:2.1 0.00048150000000000005 1.62 AML other m 2023-03-14T10:34:50.82
IV.HLNI.HHE. ML:1.8 0.00012225 0.14 AML other m 2023-03-14T10:34:51.80
IV.HLNI.HHN. ML:1.6 0.00008535000000000001 1.46 AML other m 2023-03-14T10:34:52.76
IV.ESAL.HHE. ML:2.4 0.00108 1.14 AML other m 2023-03-14T10:34:52.64
IV.MPNC.HHE. ML:2.0 0.0001895 0.9 AML other m 2023-03-14T10:34:53.40
IV.MPNC.HHN. ML:2.0 0.0002275 0.58 AML other m 2023-03-14T10:34:54.61
IV.AGST.EHE. ML:2.4 0.000374 1.24 AML other m 2023-03-14T10:34:56.06
IV.AGST.EHN. ML:2.5 0.000528 1.48 AML other m 2023-03-14T10:34:56.94
IV.IVPL.HNN. ML:2.3 0.0003265 0.44 AML other m 2023-03-14T10:34:56.43
IV.IVPL.HHN. ML:2.3 0.000363 0.42 AML other m 2023-03-14T10:34:56.66
IV.IVPL.HNE. ML:2.2 0.0003095 1.26 AML other m 2023-03-14T10:34:57.91
IV.IVPL.HHE. ML:2.3 0.0003165 1.68 AML other m 2023-03-14T10:34:58.92
IV.CSLB.HHN. ML:1.6 0.000048200000000000006 1.5 AML other m 2023-03-14T10:35:02.88
IV.CSLB.HHE. ML:1.5 0.00003784999999999999 1.16 AML other m 2023-03-14T10:35:02.00
IV.HMDC.HHN. ML:2.7 0.0004525 0.48 AML other m 2023-03-14T10:35:03.64
IV.HAVL.HHN. ML:2.5 0.0002845 0.26 AML other m 2023-03-14T10:35:03.79
IV.HMDC.HHE. ML:1.9 0.0000753 1.12 AML other m 2023-03-14T10:35:03.39
IV.HAVL.HHE. ML:2.3 0.0002035 1.12 AML other m 2023-03-14T10:35:07.27
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