Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-04-2023 and time 20:42:57 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.1 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 17-04-2023 20:42:57 (UTC)
  • 17-04-2023 22:42:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2060, 15.1580 at 12 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
Terme Vigliatore ME 8 7395 7395
Milazzo ME 8 31646 39041
Barcellona Pozzo di Gotto ME 8 41583 80624
Merì ME 9 2338 82962
Rodì Milici ME 11 2056 85018
San Filippo del Mela ME 11 7115 92133
Furnari ME 12 3784 95917
Falcone ME 12 2808 98725
Oliveri ME 12 2181 100906
Castroreale ME 13 2504 103410
Mazzarrà Sant'Andrea ME 13 1531 104941
Santa Lucia del Mela ME 13 4650 109591
Pace del Mela ME 13 6239 115830
Gualtieri Sicaminò ME 15 1807 117637
Condrò ME 15 493 118130
Torregrotta ME 17 7431 125561
San Pier Niceto ME 18 2837 128398
Basicò ME 18 612 129010
Tripi ME 18 873 129883
Venetico ME 18 3911 133794
Patti ME 18 13431 147225
Valdina ME 19 1355 148580
Spadafora ME 19 5021 153601
Roccavaldina ME 19 1133 154734

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Messina (238439 inhabitants)
44 Km W of Reggio di Calabria (183035 inhabitants)
66 Km N of Acireale (52622 inhabitants)
78 Km N of Catania (314555 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 2.1 2023-04-17
20:42:57		 38.2062 15.1578 12 2023-04-17
20:49:58		 Sala Sismica INGV-Roma 116468641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 20:42:57 ± 0.06
Latitude 38.2062 ± 0.0045
Longitude 15.1578 ± 0.0046
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116468641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 159
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90562
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 116468641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-17 20:49:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2023-04-17T20:43:52.96 3.0 undecidable manual Sn -0.3 0
IV.CAR1.HHZ. 2023-04-17T20:43:19.78 3.0 negative manual P -0.25 0
IV.CSLB.HHZ. 2023-04-17T20:43:14.63 0.6 negative manual P 253 100.5216 90 0.71 36
TV.GMB1.HHZ. 2023-04-17T20:43:14.84 0.6 undecidable manual S 94 57.6978 91 -0.01 47
IV.HLNI.HHZ. 2023-04-17T20:43:14.46 1.0 undecidable manual P 195 98.4237 91 0.88 17
1J.FX12.HHZ.00 2023-04-17T20:43:13.56 0.6 undecidable manual S 105 50.5161 91 0.62 41
IV.SICLA.EHZ. 2023-04-17T20:43:12.57 0.6 undecidable manual S 83 48.8178 91 0.08 47
IV.PLLN.EHZ. 2023-04-17T20:43:11.69 0.1 undecidable manual P 255 91.6416 91 -0.86 68
IV.MRCB.HHZ. 2023-04-17T20:43:11.82 0.6 undecidable manual S 96 47.8188 91 -0.4 44
IV.GALF.HHZ. 2023-04-17T20:43:10.13 0.1 undecidable manual P 223 75.4689 91 0.08 90
IV.SOI.EHZ. 2023-04-17T20:43:10.58 0.6 positive manual P 100 79.5648 91 -0.11 44
IV.ECTS.HHZ. 2023-04-17T20:43:09.85 0.6 undecidable manual S 185 36.1416 92 0.75 39
IV.MCPD.HHZ. 2023-04-17T20:43:09.54 0.6 undecidable manual S 256 38.4282 92 -0.18 47
IV.IFIL.HHZ. 2023-04-17T20:43:08.46 0.1 undecidable manual P 308 64.3911 91 0.12 92
TV.GMB1.HHZ. 2023-04-17T20:43:07.41 0.3 negative manual P 94 57.6978 91 0.1 70
IV.MSRU.HHZ. 2023-04-17T20:43:07.94 0.6 undecidable manual S 78 31.2465 92 0.15 48
IV.IVLT.HHZ. 2023-04-17T20:43:07.18 0.6 undecidable manual S 319 27.8499 93 0.28 48
IV.MUCR.HHZ. 2023-04-17T20:43:07.64 0.6 undecidable manual S 234 30.6471 93 -0.01 49
IV.IVGP.HHZ. 2023-04-17T20:43:06.22 0.6 undecidable manual S 321 27.2505 93 -0.51 43
1J.FX12.HHZ.00 2023-04-17T20:43:06.31 0.1 negative manual P 105 50.5161 91 0.11 94
IV.IVCR.HHZ. 2023-04-17T20:43:06.74 0.6 undecidable manual S 323 28.3494 93 -0.28 46
IV.IVPL.HHZ. 2023-04-17T20:43:06.11 0.6 undecidable manual S 321 24.3534 94 0.13 49
3D.OEM9.HNZ. 2023-04-17T20:43:06.01 0.6 undecidable manual S 324 24.8529 94 -0.09 48
IV.AIO.HHZ. 2023-04-17T20:43:06.52 0.3 undecidable manual S 166 26.8509 93 -0.11 74
IV.IVUG.HHZ. 2023-04-17T20:43:05.90 0.6 undecidable manual S 325 25.8519 93 -0.46 44
IV.MRCB.HHZ. 2023-04-17T20:43:05.65 0.3 positive manual P 96 47.8188 91 -0.14 70
IV.LIBRI.HNZ. 2023-04-17T20:43:05.62 0.6 undecidable manual S 236 24.1536 94 -0.3 47
IV.SICLA.EHZ. 2023-04-17T20:43:05.74 0.6 positive manual P 83 48.8178 91 -0.2 46
IV.MCPD.HHZ. 2023-04-17T20:43:04.34 0.1 positive manual P 256 38.4282 92 0 97
IV.EMSG.HHZ. 2023-04-17T20:43:04.66 0.1 undecidable manual P 203 46.4202 91 -0.92 73
IV.ECTS.HHZ. 2023-04-17T20:43:04.65 0.3 negative manual P 185 36.1416 92 0.67 62
IV.MPNC.HHZ. 2023-04-17T20:43:04.08 0.6 undecidable manual S 111 18.2706 98 -0.26 48
3D.OEM5.HHZ. 2023-04-17T20:43:03.66 0.1 undecidable manual P 325 29.2485 93 0.73 83
IV.MUCR.HHZ. 2023-04-17T20:43:03.26 0.1 positive manual P 234 30.6471 93 0.11 97
3D.OEM9.HNZ. 2023-04-17T20:43:02.44 0.1 undecidable manual P 324 24.8529 94 0.18 97
IV.AIO.HHZ. 2023-04-17T20:43:02.57 0.1 positive manual P 166 26.8509 93 0.01 99
IV.LIBRI.HNZ. 2023-04-17T20:43:02.15 0.1 undecidable manual P 236 24.1536 94 0 100
IV.MILZ.HHZ. 2023-04-17T20:43:02.19 0.6 undecidable manual S 42 9.6792 127 -0.03 51
IV.IVGP.HHZ. 2023-04-17T20:43:02.68 0.1 negative manual P 321 27.2505 93 0.06 99
IV.MSRU.HHZ. 2023-04-17T20:43:02.98 0.1 undecidable manual P 78 31.2465 92 -0.25 94
IV.IVLT.HHZ. 2023-04-17T20:43:02.42 0.1 undecidable manual P 319 27.8499 93 -0.29 93
IV.IVUG.HHZ. 2023-04-17T20:43:02.75 0.1 negative manual P 325 25.8519 93 0.35 94
IV.IVCR.HHZ. 2023-04-17T20:43:02.43 0.1 undecidable manual P 323 28.3494 93 -0.36 91
IV.IVPL.HHZ. 2023-04-17T20:43:02.49 0.3 positive manual P 321 24.3534 94 0.31 71
IV.MPNC.HHZ. 2023-04-17T20:43:00.96 0.1 undecidable manual P 111 18.2706 98 -0.28 96
IV.MILZ.HHZ. 2023-04-17T20:43:00.25 0.1 negative manual P 42 9.6792 127 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHE. ML:2.5 0.0034850000000000003 0.36 AML other m 2023-04-17T20:43:02.39
IV.MILZ.HHN. ML:2.5 0.00373 0.48 AML other m 2023-04-17T20:43:02.38
IV.AIO.HHE. ML:2.0 0.0005675 0.42 AML other m 2023-04-17T20:43:06.19
IV.AIO.HHN. ML:2.1 0.0006225 0.16 AML other m 2023-04-17T20:43:07.26
IV.IVUG.HHN. ML:2.2 0.0009274999999999999 0.76 AML other m 2023-04-17T20:43:07.50
IV.IVGP.HHE. ML:2.2 0.0007669999999999999 0.38 AML other m 2023-04-17T20:43:08.10
IV.IVPL.HHN. ML:2.2 0.0009425 0.82 AML other m 2023-04-17T20:43:08.78
IV.MUCR.HHE. ML:2.0 0.0004735 0.64 AML other m 2023-04-17T20:43:08.71
IV.MUCR.HHN. ML:2.4 0.001215 0.32 AML other m 2023-04-17T20:43:08.59
IV.IVGP.HHN. ML:2.2 0.0008810000000000001 1.2 AML other m 2023-04-17T20:43:08.63
IV.IVUG.HHE. ML:2.1 0.0007335 0.76 AML other m 2023-04-17T20:43:08.51
IV.ECTS.HHN. ML:2.0 0.00034750000000000004 0.2 AML other m 2023-04-17T20:43:10.30
IV.ECTS.HHE. ML:2.0 0.00035299999999999996 0.68 AML other m 2023-04-17T20:43:10.35
IV.IVPL.HNN. ML:2.2 0.0008900000000000001 0.5 AML other m 2023-04-17T20:43:10.65
IV.IVPL.HNE. ML:2.4 0.00138 0.38 AML other m 2023-04-17T20:43:10.85
IV.IVPL.HHE. ML:2.4 0.0014550000000000001 0.38 AML other m 2023-04-17T20:43:10.86
IV.MCPD.HHN. ML:1.4 0.00008645 0.56 AML other m 2023-04-17T20:43:11.79
IV.MCPD.HHE. ML:1.4 0.00009379999999999999 1.06 AML other m 2023-04-17T20:43:11.87
IV.MRCB.HHE. ML:1.9 0.00022549999999999998 0.94 AML other m 2023-04-17T20:43:13.42
IV.MRCB.HHN. ML:1.8 0.0001835 1.14 AML other m 2023-04-17T20:43:15.69
TV.GMB1.HHE. ML:1.3 0.000046899999999999995 0.72 AML other m 2023-04-17T20:43:15.99
TV.GMB1.HNE. ML:1.8 0.0001455 0.2 AML other m 2023-04-17T20:43:16.64
TV.GMB1.HNN. ML:2.1 0.000272 0.42 AML other m 2023-04-17T20:43:16.76
TV.GMB1.HHN. ML:1.6 0.00008444999999999999 0.42 AML other m 2023-04-17T20:43:16.76
IV.IFIL.HHE. ML:2.8 0.0011400000000000002 1.2 AML other m 2023-04-17T20:43:21.29
IV.IFIL.HHN. ML:2.4 0.000442 0.7 AML other m 2023-04-17T20:43:21.50
IV.GALF.HHE. ML:2.2 0.00023899999999999998 0.54 AML other m 2023-04-17T20:43:28.27
IV.GALF.HNN. ML:1.9 0.00012075 0.94 AML other m 2023-04-17T20:43:28.28
IV.GALF.HHN. ML:2.1 0.00020600000000000002 1.48 AML other m 2023-04-17T20:43:29.76
IV.GALF.HNE. ML:1.9 0.0001265 0.7 AML other m 2023-04-17T20:43:32.89
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