Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 17-11-2021 and time 04:42:17 (Italy) in region Tirreno Meridionale (MARE)

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

  • 17-11-2021 03:42:17 (UTC)
  • 17-11-2021 04:42:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.1850, 15.4070 at 268 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
74 Km W of Cosenza (67546 inhabitants)
82 Km W 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 2021-11-17
03:42:17		 39.1853 15.4073 268 2022-03-30
13:04:17		 Bollettino Sismico Italiano INGV 97776491
Reviewed
Rev100 		ML 2.4 2021-11-17
03:42:18		 39.287 15.2812 252 2021-11-17
03:53:29		 Sala Sismica INGV-Roma 97506851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-17 03:42:17 ± 0.3
Latitude 39.1853 ± 0.0207
Longitude 15.4073 ± 0.0464
Depth (km) 268 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97776491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4053
Semi-minor axis of confidence ellipse (meter) 2109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 4050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.54409
Epicentral distance of station farthest from the epicenter (degree) 1.32200
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 97776491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-08 12:10:13

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 97506851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-17 03:53:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2021-11-17T03:43:24.81 0.6 undecidable manual S 74 125.2746 154 0.82 38
MN.TIP.HHN. 2021-11-17T03:43:23.50 0.6 undecidable manual S 90 116.1948 156 0.35 46
IY.OPPI.HHZ. 2021-11-17T03:43:23.50 0.6 undecidable manual S 153 114.3966 156 0.51 44
IV.CELI.HHE. 2021-11-17T03:43:22.58 0.6 undecidable manual S 75 97.5246 159 0.97 38
IV.SERS.HHZ. 2021-11-17T03:43:22.78 0.3 undecidable manual S 98 111.4995 157 0.04 74
IV.PLAC.HHE. 2021-11-17T03:43:22.94 0.6 undecidable manual S 132 120.8901 155 -0.63 41
IV.GRI.EHZ. 2021-11-17T03:43:21.78 0.3 undecidable manual S 114 96.126 160 0.28 72
IV.CAR1.HHZ. 2021-11-17T03:43:19.47 0.6 undecidable manual S 84 69.4749 165 -0.28 51
IV.JOPP.HHZ. 2021-11-17T03:43:19.91 0.3 undecidable manual S 147 76.368 164 -0.24 76
IV.SPS2.HHZ. 2021-11-17T03:43:19.87 0.6 undecidable manual S 81 80.8635 163 -0.56 46
IV.CET2.HHZ. 2021-11-17T03:43:18.92 0.6 undecidable manual S 51 60.3951 167 -0.35 51
IV.ECTS.HHZ. 2021-11-17T03:42:57.55 0.3 undecidable manual P 190 146.742 150 0.54 61
IV.SCHR.EHN. 2021-11-17T03:42:56.52 0.3 undecidable manual P 27 126.0738 154 0.71 59
IV.MCEL.HHN. 2021-11-17T03:42:56.52 0.6 undecidable manual P 15 130.7691 153 0.45 43
IV.AIO.HHE. 2021-11-17T03:42:56.93 0.6 undecidable manual P 186 135.5643 152 0.59 41
IV.MTTG.HHE. 2021-11-17T03:42:56.25 0.6 undecidable manual P 169 133.5663 153 0.02 47
IV.SIRI.HNE. 2021-11-17T03:42:55.39 1.0 undecidable manual P 19 117.2937 155 0.05 24
IV.TDS.HHZ. 2021-11-17T03:42:55.29 0.6 undecidable manual P 56 95.5377 160 0.99 37
MN.TIP.HHN. 2021-11-17T03:42:55.10 0.1 undecidable manual P 90 116.1948 156 -0.18 94
IV.PLAC.HHE. 2021-11-17T03:42:55.23 0.1 undecidable manual P 132 120.8901 155 -0.29 91
IY.OPPI.HHZ. 2021-11-17T03:42:55.51 0.1 undecidable manual P 153 114.3966 156 0.32 92
IV.LADO.EHE. 2021-11-17T03:42:55.99 0.1 undecidable manual P 85 135.5643 152 -0.35 87
IV.PIPA.HHZ. 2021-11-17T03:42:55.69 0.1 undecidable manual P 74 125.2746 154 -0.07 95
IV.GRI.EHZ. 2021-11-17T03:42:54.50 0.1 undecidable manual P 114 96.126 160 0.17 99
IV.MGR.HHZ. 2021-11-17T03:42:54.29 0.6 undecidable manual P 7 106.3158 158 -0.51 45
IV.SERS.HHZ. 2021-11-17T03:42:54.96 0.1 undecidable manual P 98 111.4995 157 -0.09 97
IV.MILZ.HHN. 2021-11-17T03:42:54.40 0.6 undecidable manual P 189 102.5196 158 -0.22 48
IV.CELI.HHE. 2021-11-17T03:42:54.95 0.1 undecidable manual P 75 97.5246 159 0.56 89
3D.OEM8.HHN. 2021-11-17T03:42:54.42 0.6 undecidable manual P 208 90.1431 161 0.34 48
IV.FERC.HHZ.00 2021-11-17T03:42:54.89 0.3 undecidable manual P 142 102.4197 158 0.28 71
IV.SPS2.HHZ. 2021-11-17T03:42:53.31 0.6 undecidable manual P 81 80.8635 163 -0.4 48
IV.GRIS.HNE. 2021-11-17T03:42:53.08 0.1 undecidable manual P 32 72.4719 164 -0.34 100
IV.JOPP.HHZ. 2021-11-17T03:42:52.98 0.1 undecidable manual P 147 76.368 164 -0.57 93
IV.CET2.HHZ. 2021-11-17T03:42:52.54 0.6 undecidable manual P 51 60.3951 167 -0.5 49
IV.CAR1.HHZ. 2021-11-17T03:42:52.57 0.1 undecidable manual P 84 69.4749 165 -0.75 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:2.4 0.000040063765 4.6592 AML other m 2021-11-17T03:43:20.76
IV.SPS2.HHE. ML:1.8 0.0000114181 4.6592 AML other m 2021-11-17T03:43:18.98
IV.JOPP.HHN. ML:2.2 0.000025357285 3.16 AML other m 2021-11-17T03:43:19.32
IV.JOPP.HHE. ML:2.3 0.000031398125 2.9392 AML other m 2021-11-17T03:43:18.02
IV.CAR1.HNE. ML:2.8 0.00009565132000000002 6.5488 AML other m 2021-11-17T03:43:20.87
IV.GRI.EHE. ML:2.5 0.000043946385 2.64 AML other m 2021-11-17T03:43:21.15
IV.SERS.HHN. ML:2.2 0.00002116852 5.2992 AML other m 2021-11-17T03:43:23.89
IV.GRI.EHN. ML:2.3 0.00002922927 1.1792 AML other m 2021-11-17T03:43:22.87
IV.SERS.HNE. ML:2.6 0.000059930745 5.4 AML other m 2021-11-17T03:43:23.66
IV.PIPA.HHN. ML:2.6 0.0000430203 1.84 AML other m 2021-11-17T03:43:23.12
IY.OPPI.HHE. ML:1.9 0.000012270356500000001 3.0592 AML other m 2021-11-17T03:43:23.84
IY.OPPI.HHN. ML:1.9 0.000011578979999999999 1.9792 AML other m 2021-11-17T03:43:25.69
IV.PIPA.HHE. ML:2.6 0.000045344454999999996 8.8208 AML other m 2021-11-17T03:43:26.42
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