Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 11-07-2021 and time 17:06:52 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 11-07-2021 15:06:52 (UTC)
  • 11-07-2021 17:06:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4310, 15.5010 at 129 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Messina (238439 inhabitants)
38 Km NW of Reggio di Calabria (183035 inhabitants)
93 Km SW of Lamezia Terme (70714 inhabitants)
96 Km N of Acireale (52622 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 2.3 2021-07-11
15:06:52		 38.431 15.5007 129 2021-12-29
11:12:13		 Bollettino Sismico Italiano INGV 93052141
Reviewed
Rev100 		ML 2.2 2021-07-11
15:06:52		 38.4177 15.5688 130 2021-07-11
15:16:23		 Sala Sismica INGV-Roma 92624491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-11 15:06:52 ± 0.17
Latitude 38.4310 ± 0.0090
Longitude 15.5007 ± 0.0161
Depth (km) 129 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93052141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1376
Semi-minor axis of confidence ellipse (meter) 717
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 53
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) 1.70601
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 92624491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-11 15:16:23

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 93052141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-31 19:54:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2021-07-11T15:08:47.01 3.0 undecidable manual Sn 0.61 0
IV.PP3.EHZ. 2021-07-11T15:08:24.10 3.0 undecidable manual Pg 15.18 0
IV.AGLI.HHZ. 2021-07-11T15:08:18.25 3.0 undecidable manual Pn 3.35 0
IV.ARRO.EHZ. 2021-07-11T15:08:16.50 3.0 negative manual Pg 14.36 0
IV.PESA.HHZ. 2021-07-11T15:08:14.74 3.0 undecidable manual Pn -3.88 0
IV.MMGO.HHZ. 2021-07-11T15:08:04.72 3.0 undecidable manual Sg 7.46 0
AC.VLO.HHZ. 2021-07-11T15:07:59.39 3.0 undecidable manual Pg 10.29 0
IV.SRES.HHZ. 2021-07-11T15:07:56.88 3.0 undecidable manual Pn -2.56 0
MN.CUC.HHZ. 2021-07-11T15:07:43.26 0.6 undecidable manual S 9 175.491 122 -0.46 33
IV.GRIS.EHZ. 2021-07-11T15:07:39.27 0.3 undecidable manual S 12 148.4403 127 0.34 57
IV.CELI.HHE. 2021-07-11T15:07:38.41 0.6 undecidable manual S 39 138.5613 129 1.15 29
MN.TIP.HHZ. 2021-07-11T15:07:37.11 0.6 undecidable manual S 52 136.7631 130 0.14 41
IV.HLNI.HHZ. 2021-07-11T15:07:36.06 0.6 undecidable manual S 205 132.0678 131 -0.14 41
IV.MMGO.HHZ. 2021-07-11T15:07:35.23 3.0 positive manual Pg 6.02 0
IV.SERS.HHZ. 2021-07-11T15:07:35.11 0.6 undecidable manual S 56 122.7882 133 0.41 40
IV.CET2.HHZ. 2021-07-11T15:07:35.38 0.6 undecidable manual S 18 127.872 132 -0.14 41
IV.SPS2.HHE. 2021-07-11T15:07:34.20 0.3 undecidable manual S 37 119.7912 134 -0.03 65
IV.SELL.HHZ. 2021-07-11T15:07:34.22 0.6 undecidable manual S 58 115.1958 135 0.69 37
IV.CAR1.HHZ. 2021-07-11T15:07:32.52 0.6 undecidable manual S 34 110.0121 136 -0.22 42
IV.PLAC.HHZ. 2021-07-11T15:07:29.01 0.3 undecidable manual S 88 81.4518 145 0.17 69
IV.NOV.HHZ. 2021-07-11T15:07:28.62 0.6 undecidable manual S 215 54.8007 155 2.64 8
IV.AIO.HHE. 2021-07-11T15:07:27.64 0.6 undecidable manual S 205 56.0994 155 1.55 26
IV.SOI.EHZ. 2021-07-11T15:07:26.39 0.3 undecidable manual S 129 62.493 152 -0.32 68
IV.FERC.HNN. 2021-07-11T15:07:26.46 0.6 undecidable manual S 87 54.6009 155 0.51 45
IV.MTGR.HHZ. 2021-07-11T15:07:26.31 3.0 negative manual Pn -4.07 0
IV.JOPP.HHZ. 2021-07-11T15:07:24.25 0.3 undecidable manual S 60 38.628 162 -0.45 69
MN.CEL.HHZ. 2021-07-11T15:07:24.71 0.3 undecidable manual S 119 39.1275 162 -0.02 76
IV.MILZ.HHZ. 2021-07-11T15:07:24.21 0.3 undecidable manual S 233 29.3484 166 0.06 76
IV.MPNC.HHZ. 2021-07-11T15:07:24.30 0.3 undecidable manual S 202 34.0437 164 -0.11 75
IV.MSRU.HHZ. 2021-07-11T15:07:23.34 0.3 undecidable manual S 178 18.5703 171 -0.35 74
IV.MGR.HHZ. 2021-07-11T15:07:23.92 0.3 undecidable manual P 1 189.366 120 0.25 48
IV.SICLA.EHZ. 2021-07-11T15:07:23.41 0.3 undecidable manual S 136 26.8509 167 -0.62 67
IV.SALB.HHZ. 2021-07-11T15:07:22.76 0.3 undecidable manual P 24 176.0904 122 0.5 49
MN.CUC.HHZ. 2021-07-11T15:07:21.76 0.3 undecidable manual P 9 175.491 122 -0.43 50
IV.PIPA.HHZ. 2021-07-11T15:07:20.81 0.3 undecidable manual P 44 162.9147 124 -0.08 56
IV.GRIS.EHZ. 2021-07-11T15:07:19.23 0.1 undecidable manual P 12 148.4403 127 -0.2 79
IV.TDS.HHZ. 2021-07-11T15:07:19.73 0.3 undecidable manual P 28 154.2345 126 -0.28 57
MN.TIP.HHZ. 2021-07-11T15:07:18.28 0.1 undecidable manual P 52 136.7631 130 -0.01 83
IV.CELI.HHE. 2021-07-11T15:07:18.72 0.1 undecidable manual P 39 138.5613 129 0.26 79
IV.CET2.HHZ. 2021-07-11T15:07:17.27 0.1 undecidable manual P 18 127.872 132 -0.19 82
IV.HLNI.HHZ. 2021-07-11T15:07:17.19 0.6 undecidable manual P 205 132.0678 131 -0.66 36
IV.HCRL.HHZ. 2021-07-11T15:07:17.90 0.3 undecidable manual P 198 133.7661 130 -0.11 62
IV.SERS.HHZ. 2021-07-11T15:07:17.06 0.3 undecidable manual P 56 122.7882 133 0.08 64
IV.SPS2.HHE. 2021-07-11T15:07:16.37 0.3 undecidable manual P 37 119.7912 134 -0.34 61
IV.SELL.HHZ. 2021-07-11T15:07:16.58 0.1 undecidable manual P 58 115.1958 135 0.27 83
IV.CAR1.HHZ. 2021-07-11T15:07:15.37 0.1 undecidable manual P 34 110.0121 136 -0.48 80
IV.GRI.EHN. 2021-07-11T15:07:14.65 0.3 undecidable manual P 61 90.7425 142 0.36 64
IV.MUCR.HHZ. 2021-07-11T15:07:13.31 0.6 undecidable manual P 232 69.5748 149 0.51 43
IV.MCPD.HHE. 2021-07-11T15:07:13.33 0.6 undecidable manual P 243 75.369 147 0.15 46
IV.GIZZ.HHZ. 2021-07-11T15:07:13.74 0.6 undecidable manual P 45 86.3469 144 -0.22 44
IV.PLAC.HHZ. 2021-07-11T15:07:13.68 0.1 undecidable manual P 88 81.4518 145 0.08 93
IV.AIO.HHE. 2021-07-11T15:07:12.52 0.3 undecidable manual P 205 56.0994 155 0.51 66
IV.SOI.EHZ. 2021-07-11T15:07:12.28 0.1 undecidable manual P 129 62.493 152 -0.09 96
IV.FERC.HNN. 2021-07-11T15:07:12.05 0.3 undecidable manual P 87 54.6009 155 0.12 72
IV.NOV.HHZ. 2021-07-11T15:07:12.77 0.3 undecidable manual P 215 54.8007 155 0.82 58
IV.IVUG.HHZ. 2021-07-11T15:07:11.63 0.3 undecidable manual P 265 44.9217 159 0.16 73
IV.JOPP.HHZ. 2021-07-11T15:07:11.06 0.3 undecidable manual P 60 38.628 162 -0.15 74
MN.CEL.HHZ. 2021-07-11T15:07:11.15 0.1 positive manual P 119 39.1275 162 -0.08 100
IV.IVPL.HNE. 2021-07-11T15:07:11.62 0.6 undecidable manual P 263 45.621 159 0.12 49
IV.MILZ.HHZ. 2021-07-11T15:07:10.72 0.3 undecidable manual P 233 29.3484 166 -0.17 75
IV.MPNC.HHZ. 2021-07-11T15:07:10.72 0.3 undecidable manual P 202 34.0437 164 -0.32 72
IV.MSRU.HHZ. 2021-07-11T15:07:10.32 0.3 undecidable manual P 178 18.5703 171 -0.31 74
IV.SICLA.EHZ. 2021-07-11T15:07:10.59 0.1 positive manual P 136 26.8509 167 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:2.0 0.00006805 0.86 AML other m 2021-07-11T15:07:12.18
IV.PLAC.HHE. ML:2.3 0.0001023 0.16 AML other m 2021-07-11T15:07:13.70
IV.SICLA.EHN. ML:2.5 0.00021 1.62 AML other m 2021-07-11T15:07:23.89
IV.SICLA.EHE. ML:2.5 0.0001835 1.4 AML other m 2021-07-11T15:07:23.90
IV.MSRU.HHE. ML:2.5 0.00020400000000000003 0.42 AML other m 2021-07-11T15:07:24.07
IV.MILZ.HHE. ML:3.0 0.000655 0.56 AML other m 2021-07-11T15:07:24.65
IV.MSRU.HHN. ML:2.4 0.00017649999999999998 0.22 AML other m 2021-07-11T15:07:24.63
IV.MILZ.HHN. ML:2.8 0.000435 1.44 AML other m 2021-07-11T15:07:24.75
IV.MPNC.HHN. ML:2.4 0.00014250000000000002 0.44 AML other m 2021-07-11T15:07:25.38
MN.CEL.HNN. ML:2.4 0.00015050000000000003 0.28 AML other m 2021-07-11T15:07:25.33
MN.CEL.HHN. ML:2.4 0.00014250000000000002 0.26 AML other m 2021-07-11T15:07:25.32
IV.JOPP.HHN. ML:2.1 0.00007745 0.56 AML other m 2021-07-11T15:07:25.36
IV.JOPP.HNN. ML:2.1 0.00008324999999999999 0.56 AML other m 2021-07-11T15:07:25.86
IV.JOPP.HNE. ML:2.2 0.00008989999999999999 0.16 AML other m 2021-07-11T15:07:26.41
IV.SOI.EHE. ML:2.1 0.00006275 1.26 AML other m 2021-07-11T15:07:26.91
MN.CEL.HNE. ML:2.3 0.000113 1.58 AML other m 2021-07-11T15:07:28.91
IV.PLAC.HHN. ML:2.3 0.0000948 1.24 AML other m 2021-07-11T15:07:29.27
MN.CEL.HHE. ML:2.2 0.0001095 0.34 AML other m 2021-07-11T15:07:29.32
IV.SOI.EHN. ML:2.1 0.00006745 0.44 AML other m 2021-07-11T15:07:29.98
IV.MPNC.HHE. ML:2.3 0.000127 1.46 AML other m 2021-07-11T15:07:31.76
IV.MUCR.HHE. ML:2.0 0.00006104999999999999 0.36 AML other m 2021-07-11T15:07:31.87
IV.MUCR.HHN. ML:2.2 0.00007630000000000001 0.38 AML other m 2021-07-11T15:07:32.45
IV.CAR1.HHN. ML:2.3 0.0000808 0.38 AML other m 2021-07-11T15:07:33.80
IV.CAR1.HHE. ML:2.0 0.0000392 0.34 AML other m 2021-07-11T15:07:34.48
IV.CET2.HHN. ML:3.1 0.000461 0.3 AML other m 2021-07-11T15:07:36.48
IV.CET2.HHE. ML:2.6 0.0001465 0.26 AML other m 2021-07-11T15:07:36.56
IV.SERS.HHE. ML:1.7 0.0000201 0.46 AML other m 2021-07-11T15:07:37.73
IV.GRIS.EHE. ML:2.2 0.00005235 0.6 AML other m 2021-07-11T15:07:40.61
IV.GRIS.EHN. ML:2.3 0.000066 0.44 AML other m 2021-07-11T15:07:40.88
MN.CUC.HHE. ML:2.1 0.000035699999999999994 0.84 AML other m 2021-07-11T15:07:44.08
MN.CUC.HHN. ML:2.0 0.000022499999999999998 0.7 AML other m 2021-07-11T15:07:44.83
IV.SERS.HHN. ML:1.7 0.000019200000000000003 1.12 AML other m 2021-07-11T15:07:50.81
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