Earthquake with magnitude of ML 2.4 on date 11-05-2021 and time 20:16:49 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 11-05-2021 18:16:49 (UTC)
  • 11-05-2021 20:16:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5980, 15.4940 at 159 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
45 Km N of Messina (238439 inhabitants)
56 Km N of Reggio di Calabria (183035 inhabitants)
83 Km SW of Lamezia Terme (70714 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 2.4 2021-05-11
18:16:49
38.5978 15.4937 159 2021-12-29
11:12:20
Bollettino Sismico Italiano INGV 93999741
Reviewed
Rev100
ML 2.3 2021-05-11
18:16:48
38.5957 15.4018 161 2021-05-11
18:26:37
Sala Sismica INGV-Roma 89998971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-11 18:16:49 ± 0.2
Latitude 38.5978 ± 0.0126
Longitude 15.4937 ± 0.0230
Depth (km) 159 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93999741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2119
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 2120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.30667
Epicentral distance of station farthest from the epicenter (degree) 1.35618
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 89998971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-11 18:26:37

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 93999741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-20 19:58:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2021-05-11T18:17:36.28 0.6 undecidable manual S 44 124.986 139 0.23 43
IV.SERS.HNN. 2021-05-11T18:17:34.81 0.6 undecidable manual S 64 114.0969 142 0.25 44
IV.CET2.HHZ. 2021-05-11T18:17:33.76 0.3 undecidable manual S 21 110.6004 143 -0.35 65
IV.PLAC.HHZ. 2021-05-11T18:17:31.21 0.6 undecidable manual S 101 83.6496 150 0.31 46
IV.SOI.EHZ. 2021-05-11T18:17:30.49 0.3 undecidable manual S 140 75.9684 153 0.38 69
MN.CEL.HHZ. 2021-05-11T18:17:28.12 0.6 undecidable manual S 137 51.1155 161 0.1 51
IV.MSRU.HHZ. 2021-05-11T18:17:27.16 0.3 undecidable manual S 178 37.0296 166 0 80
IV.SICLA.EHZ. 2021-05-11T18:17:27.47 0.3 undecidable manual S 153 42.5241 164 0.01 79
IV.JOPP.HHZ. 2021-05-11T18:17:26.73 0.3 undecidable manual S 88 34.0437 167 -0.28 76
IV.PIPA.HHZ. 2021-05-11T18:17:18.50 0.3 undecidable manual P 49 150.5382 134 0.09 63
IV.CELI.HHZ. 2021-05-11T18:17:16.60 0.1 undecidable manual P 44 124.986 139 0.38 83
IV.GRIS.HNE. 2021-05-11T18:17:16.76 0.3 undecidable manual P 14 130.4694 138 0.09 66
MN.TIP.HHZ. 2021-05-11T18:17:16.30 0.1 undecidable manual P 59 126.873 139 -0.08 89
IV.SERS.HNN. 2021-05-11T18:17:15.41 0.1 undecidable manual P 64 114.0969 142 0.04 91
IV.CET2.HHZ. 2021-05-11T18:17:15.03 0.1 positive manual P 21 110.6004 143 -0.07 92
IV.PLAC.HHZ. 2021-05-11T18:17:13.17 0.3 undecidable manual P 101 83.6496 150 -0.08 73
IV.MUCR.HHE. 2021-05-11T18:17:13.72 0.3 undecidable manual P 221 81.8514 151 0.57 64
IV.NOV.HHZ. 2021-05-11T18:17:13.17 0.3 undecidable manual P 206 70.4739 155 0.68 63
IV.EPIT.HHZ. 2021-05-11T18:17:13.72 1.0 undecidable manual P 204 95.238 147 -0.28 23
IV.SOI.EHZ. 2021-05-11T18:17:12.72 0.1 undecidable manual P 140 75.9684 153 -0.08 98
IV.MTTG.HHZ. 2021-05-11T18:17:12.60 0.1 undecidable manual P 165 68.376 155 0.22 96
MN.CEL.HHZ. 2021-05-11T18:17:11.29 0.1 negative manual P 137 51.1155 161 -0.3 98
IV.IVUG.HHZ. 2021-05-11T18:17:11.84 0.3 undecidable manual P 243 49.4172 162 0.33 73
IV.MPNC.HHN. 2021-05-11T18:17:11.36 0.6 undecidable manual P 194 51.5151 161 -0.24 50
IV.FERC.HNN. 2021-05-11T18:17:11.83 0.3 undecidable manual P 106 57.3981 159 -0.02 77
IV.IVPL.HNE. 2021-05-11T18:17:11.77 0.6 undecidable manual P 241 50.9157 161 0.2 50
IV.MSRU.HHZ. 2021-05-11T18:17:10.62 0.1 undecidable manual P 178 37.0296 166 -0.47 97
IV.JOPP.HHZ. 2021-05-11T18:17:10.64 0.1 undecidable manual P 88 34.0437 167 -0.36 100
IV.SICLA.EHZ. 2021-05-11T18:17:10.77 0.1 undecidable manual P 153 42.5241 164 -0.49 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:2.2 0.0000569553 0.7936 AML other m 2021-05-11T18:17:30.52
IV.CET2.HHN. ML:2.5 0.00009720476 0.32 AML other m 2021-05-11T18:17:35.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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