Earthquake with magnitude of ML 2.3 on date 11-08-2021 and time 19:27:55 (Italy) in region Tirreno Meridionale (MARE)

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

  • 11-08-2021 17:27:55 (UTC)
  • 11-08-2021 19:27:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4080, 15.3160 at 132 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Messina (238439 inhabitants)
44 Km NW of Reggio di Calabria (183035 inhabitants)
89 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 2021-08-11
17:27:55
38.4083 15.3162 132 2021-12-29
11:12:33
Bollettino Sismico Italiano INGV 95986581
Reviewed
Rev100
ML 2.3 2021-08-11
17:27:55
38.395 15.3682 131 2021-08-11
17:43:22
Sala Sismica INGV-Roma 93975351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-11 17:27:55 ± 0.18
Latitude 38.4083 ± 0.0099
Longitude 15.3162 ± 0.0138
Depth (km) 132 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95986581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1146
Semi-minor axis of confidence ellipse (meter) 856
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 44
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) 0.15199
Epicentral distance of station farthest from the epicenter (degree) 1.63137
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 93975351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-11 17:43:22

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 95986581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-28 10:27:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHZ. 2021-08-11T17:28:40.65 1.0 undecidable manual S 59 137.6622 130 0.81 16
IV.CET2.HHZ. 2021-08-11T17:28:39.68 0.6 undecidable manual S 24 135.9639 131 0.13 40
IV.HLNI.HHZ. 2021-08-11T17:28:37.97 0.6 undecidable manual S 198 123.8871 133 0.35 38
IV.PLAC.HHZ. 2021-08-11T17:28:34.24 0.6 undecidable manual S 87 97.6245 141 0.48 40
IV.SOI.EHZ. 2021-08-11T17:28:30.70 0.6 undecidable manual S 120 74.2701 148 -0.13 45
IV.MTTG.HHZ. 2021-08-11T17:28:29.79 0.6 undecidable manual S 143 55.9995 155 0.83 37
IV.NOV.HHZ. 2021-08-11T17:28:28.92 1.0 undecidable manual S 200 45.0216 160 0.88 18
IV.JOPP.HHZ. 2021-08-11T17:28:28.46 0.6 undecidable manual S 66 54.1014 156 -0.33 45
IV.IVUG.HHZ. 2021-08-11T17:28:27.53 0.6 undecidable manual S 267 28.749 167 0.5 45
IV.IVPL.HHZ. 2021-08-11T17:28:27.79 0.6 undecidable manual S 263 29.4483 166 0.73 41
IV.MSRU.HHZ. 2021-08-11T17:28:26.41 0.6 undecidable manual S 134 23.1546 169 -0.37 47
IV.MPNC.HHZ. 2021-08-11T17:28:26.86 0.6 undecidable manual S 174 29.2485 167 -0.19 48
IV.SICLA.EHZ. 2021-08-11T17:28:26.96 0.3 undecidable manual S 116 38.5281 162 -0.63 63
IV.MILZ.HHZ. 2021-08-11T17:28:26.15 0.3 undecidable manual S 206 16.872 172 -0.41 71
MN.CUC.HHZ. 2021-08-11T17:28:25.83 0.6 undecidable manual P 14 181.0854 122 0.52 31
IV.HAVL.HHZ. 2021-08-11T17:28:23.16 0.3 undecidable manual P 186 161.616 125 -0.14 55
IV.RAFF.HHZ. 2021-08-11T17:28:23.15 0.3 undecidable manual P 213 155.8218 126 0.43 52
MN.TIP.HHZ. 2021-08-11T17:28:22.42 0.1 negative manual P 55 151.2375 127 0.17 76
IV.GRIS.EHZ. 2021-08-11T17:28:22.64 0.3 undecidable manual P 17 154.8228 127 0.03 58
IV.CELI.HHZ. 2021-08-11T17:28:22.52 0.1 undecidable manual P 43 150.8379 127 0.3 74
IV.SERS.HHZ. 2021-08-11T17:28:21.22 0.1 negative manual P 59 137.6622 130 0.28 77
IV.SPS2.HHZ. 2021-08-11T17:28:20.07 0.3 undecidable manual P 42 131.868 132 -0.33 57
IV.CET2.HHZ. 2021-08-11T17:28:20.90 0.1 positive manual P 24 135.9639 131 0.12 80
IV.SELL.HHZ. 2021-08-11T17:28:20.40 0.6 undecidable manual P 60 130.2696 132 0.15 40
IV.HLNI.HHZ. 2021-08-11T17:28:19.27 0.1 positive manual P 198 123.8871 133 -0.39 77
IV.CAR1.HHZ. 2021-08-11T17:28:19.18 0.3 undecidable manual P 39 121.5894 134 -0.27 59
IV.GALF.HHZ. 2021-08-11T17:28:18.85 0.3 undecidable manual P 220 101.4207 139 1.12 45
IV.PLLN.EHZ. 2021-08-11T17:28:18.20 0.3 undecidable manual P 246 112.1988 136 -0.43 59
IV.CSLB.HHZ. 2021-08-11T17:28:18.98 0.6 undecidable manual P 245 121.4895 134 -0.47 38
IV.PLAC.HHZ. 2021-08-11T17:28:17.67 0.1 negative manual P 87 97.6245 141 0.24 84
IV.GIZZ.HHZ. 2021-08-11T17:28:17.26 0.3 undecidable manual P 50 99.9222 140 -0.35 61
IV.SOI.EHZ. 2021-08-11T17:28:15.76 0.1 negative manual P 120 74.2701 148 0.02 92
IV.MSFR.HHZ. 2021-08-11T17:28:15.98 0.1 positive manual P 237 75.5688 148 0.16 89
IV.AIO.HHZ. 2021-08-11T17:28:14.83 0.3 undecidable manual P 189 49.0176 158 0.51 64
IV.NOV.HHZ. 2021-08-11T17:28:14.57 0.6 undecidable manual P 200 45.0216 160 0.44 44
IV.JOPP.HHZ. 2021-08-11T17:28:14.31 0.6 undecidable manual P 66 54.1014 156 -0.25 45
IV.MTTG.HHZ. 2021-08-11T17:28:14.67 0.3 undecidable manual P 143 55.9995 155 0.01 71
IV.MUCR.HHZ. 2021-08-11T17:28:14.41 0.3 undecidable manual P 224 55.8996 155 -0.25 68
IV.IVPL.HHZ. 2021-08-11T17:28:13.52 0.1 positive manual P 263 29.4483 166 -0.05 99
IV.IVUG.HHZ. 2021-08-11T17:28:13.54 0.1 negative manual P 267 28.749 167 -0.01 100
IV.MPNC.HHZ. 2021-08-11T17:28:13.35 0.3 undecidable manual P 174 29.2485 167 -0.21 72
IV.SICLA.EHZ. 2021-08-11T17:28:13.51 0.3 undecidable manual P 116 38.5281 162 -0.36 68
IV.MILZ.HHZ. 2021-08-11T17:28:12.87 0.1 positive manual P 206 16.872 172 -0.41 94
IV.MSRU.HHZ. 2021-08-11T17:28:12.98 0.1 negative manual P 134 23.1546 169 -0.42 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SICLA.EHE. ML:2.6 0.00022899999999999998 0.38 AML other m 2021-08-11T17:28:27.23
IV.SICLA.EHN. ML:2.8 0.0003585 0.4 AML other m 2021-08-11T17:28:27.26
IV.MPNC.HHE. ML:2.6 0.0002485 0.56 AML other m 2021-08-11T17:28:28.60
IV.IVPL.HHN. ML:2.4 0.00014988289999999998 0.576 AML other m 2021-08-11T17:28:33.72
IV.JOPP.HHN. ML:2.7 0.000286 0.66 AML other m 2021-08-11T17:28:29.63
IV.JOPP.HNN. ML:2.6 0.000248 0.66 AML other m 2021-08-11T17:28:29.63
IV.JOPP.HNE. ML:2.4 0.00012877895 0.384 AML other m 2021-08-11T17:28:29.31
IV.MPNC.HHN. ML:2.7 0.000284341 0.3712 AML other m 2021-08-11T17:28:30.21
IV.JOPP.HHE. ML:2.2 0.000096832345 0.2816 AML other m 2021-08-11T17:28:30.21
IV.MTTG.HHE. ML:2.5 0.0001605888 0.6272 AML other m 2021-08-11T17:28:30.81
IV.MTTG.HHN. ML:2.4 0.00013797039999999998 0.384 AML other m 2021-08-11T17:28:31.30
IV.MUCR.HHE. ML:1.9 0.000041253830000000003 0.32 AML other m 2021-08-11T17:28:35.34
IV.SOI.EHN. ML:2.3 0.00010330779500000001 0.4608 AML other m 2021-08-11T17:28:33.01
IV.IVPL.HHE. ML:2.4 0.0001536932 0.6144 AML other m 2021-08-11T17:28:33.09
IV.SOI.EHE. ML:2.3 0.00010894999999999999 0.4 AML other m 2021-08-11T17:28:33.73
IV.MUCR.HHN. ML:2.2 0.0000945 0.36 AML other m 2021-08-11T17:28:33.99
IV.PLAC.HHN. ML:2.4 0.00011399999999999999 0.48 AML other m 2021-08-11T17:28:34.73
IV.HLNI.HHE. ML:1.9 0.000027549815 0.64 AML other m 2021-08-11T17:28:39.38
IV.SPS2.HHN. ML:2.0 0.00003365 0.74 AML other m 2021-08-11T17:28:39.78
IV.HLNI.HHN. ML:1.8 0.00002259651 0.2944 AML other m 2021-08-11T17:28:40.10
IV.SPS2.HHE. ML:1.9 0.000025849999999999998 1.7 AML other m 2021-08-11T17:28:40.87
IV.CET2.HHN. ML:2.8 0.00020500000000000002 0.78 AML other m 2021-08-11T17:28:40.79
IV.CET2.HHE. ML:2.6 0.00013254325 0.7808 AML other m 2021-08-11T17:28:40.20
IV.SELL.HHE. ML:2.0 0.000034450000000000004 1.4 AML other m 2021-08-11T17:28:41.78
IV.SERS.HHN. ML:2.1 0.00003965 0.58 AML other m 2021-08-11T17:28:42.38
IV.SELL.HHN. ML:1.8 0.0000211 0.36 AML other m 2021-08-11T17:28:42.82
IV.SERS.HHE. ML:2.0 0.000027912404999999998 0.4096 AML other m 2021-08-11T17:28:42.96
IV.CAR1.HHN. ML:2.2 0.00006284941499999999 0.4352 AML other m 2021-08-11T17:28:44.17
IV.CAR1.HHE. ML:1.9 0.000030330409999999997 0.6016 AML other m 2021-08-11T17:28:49.24
MN.TIP.HHE. ML:1.9 0.000025149999999999998 0.7 AML other m 2021-08-11T17:28:45.18
MN.TIP.HHN. ML:1.9 0.0000272 0.62 AML other m 2021-08-11T17:28:45.21
IV.HAVL.HHE. ML:2.5 0.0000789 0.36 AML other m 2021-08-11T17:28:45.64
IV.PLAC.HNE. ML:2.4 0.00011539495 0.6016 AML other m 2021-08-11T17:28:34.91
IV.PLAC.HNN. ML:2.4 0.00012134020000000001 0.5888 AML other m 2021-08-11T17:28:35.65
IV.CAR1.HNN. ML:2.2 0.0000636816 0.704 AML other m 2021-08-11T17:28:47.37
IV.CAR1.HNE. ML:2.4 0.00009496096000000001 0.448 AML other m 2021-08-11T17:28:38.59
IV.SELL.HNN. ML:2.5 0.00012039194999999999 1.3184 AML other m 2021-08-11T17:28:35.29
IV.SELL.HNE. ML:2.5 0.000116459145 0.5248 AML other m 2021-08-11T17:28:42.02
IV.SERS.HNN. ML:2.1 0.000039243265 0.6016 AML other m 2021-08-11T17:28:44.22
MN.TIP.HNN. ML:2.6 0.00010319582499999999 0.96 AML other m 2021-08-11T17:28:40.85
IV.CELI.HHE. ML:1.7 0.000017083235000000002 0.5376 AML other m 2021-08-11T17:28:44.29
IV.CELI.HNN. ML:2.3 0.000052507490000000004 0.7296 AML other m 2021-08-11T17:28:43.55
IV.CELI.HHN. ML:1.8 0.00002081993 0.6784 AML other m 2021-08-11T17:28:47.18
IV.GRIS.EHE. ML:2.0 0.000029895215000000002 0.7808 AML other m 2021-08-11T17:28:44.16
IV.RAFF.HHN. ML:2.2 0.000050727375 1.5616 AML other m 2021-08-11T17:28:46.64
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