Earthquake with magnitude of ML 2.1 on date 21-12-2023 and time 13:02:26 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-12-2023 12:02:26 (UTC)
  • 21-12-2023 13:02:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.9350, 15.5490 at 180 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Lamezia Terme (70714 inhabitants)
73 Km SW of Cosenza (67546 inhabitants)
82 Km N of Messina (238439 inhabitants)
91 Km W of Catanzaro (90612 inhabitants)
92 Km N of Reggio di Calabria (183035 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 2023-12-21
12:02:26
38.9353 15.5493 180 2023-12-21
12:19:11
Sala Sismica INGV-Roma 124173581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-21 12:02:26 ± 0.33
Latitude 38.9353 ± 0.0216
Longitude 15.5493 ± 0.0405
Depth (km) 180 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124173581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3430
Semi-minor axis of confidence ellipse (meter) 2048
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 3430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22847
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 124173581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-21 12:19:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HNZ. 2023-12-21T12:04:03.24 3.0 undecidable manual Sg 5.49 0
IV.CSNT.HHZ. 2023-12-21T12:03:57.21 3.0 positive manual Pn 1.49 0
IV.SENI.EHZ. 2023-12-21T12:03:50.22 3.0 positive manual Pn 2.17 0
IV.PE3.EHZ. 2023-12-21T12:03:50.14 3.0 negative manual Pn -1.17 0
IX.SCL3.EHZ.02 2023-12-21T12:03:33.23 3.0 undecidable manual Sg 3.51 0
XE.BIDON.HHZ. 2023-12-21T12:03:19.36 0.6 undecidable manual S 34 136.3635 141 0.99 33
IV.LADO.EHZ. 2023-12-21T12:03:17.34 0.6 undecidable manual S 72 128.9709 142 -0.05 44
IV.SALB.HHZ. 2023-12-21T12:03:17.02 0.6 undecidable manual S 33 124.7862 143 0.19 45
MN.CUC.HHZ. 2023-12-21T12:03:16.09 0.6 undecidable manual S 11 119.5914 144 -0.08 46
IV.CELI.HHZ. 2023-12-21T12:03:14.54 0.6 undecidable manual S 58 97.4247 150 0.95 38
IV.SERS.HNZ. 2023-12-21T12:03:14.66 0.6 undecidable manual S 83 98.8233 150 0.92 38
IV.PLAC.HHZ. 2023-12-21T12:03:12.63 0.6 undecidable manual S 125 93.9393 151 -0.59 41
XE.T0702.HHZ. 2023-12-21T12:03:12.91 0.6 undecidable manual S 28 98.4237 150 -0.79 38
IV.GRIS.EHZ. 2023-12-21T12:03:12.84 0.6 undecidable manual S 16 93.0402 151 -0.28 46
IV.CET2.HHZ. 2023-12-21T12:03:11.01 0.3 undecidable manual S 28 74.4699 156 -0.33 70
XE.SHEVA.HHZ. 2023-12-21T12:03:11.65 3.0 undecidable manual Sn -1.49 0
XE.BIDON.HHZ. 2023-12-21T12:02:56.51 0.3 undecidable manual P 34 136.3635 141 0.09 65
IV.SALB.HHZ. 2023-12-21T12:02:55.76 0.1 undecidable manual P 33 124.7862 143 0.22 87
MN.CUC.HHZ. 2023-12-21T12:02:55.03 0.3 undecidable manual P 11 119.5914 144 -0.12 69
IV.PIPA.HHZ. 2023-12-21T12:02:55.33 0.3 undecidable manual P 60 124.7862 143 -0.21 67
IV.CELI.HHZ. 2023-12-21T12:02:54.05 0.3 undecidable manual P 58 97.4247 150 0.39 67
IV.LADO.EHZ. 2023-12-21T12:02:54.86 0.3 undecidable manual P 72 128.9709 142 -1 51
XE.MORMA.HNE. 2023-12-21T12:02:54.16 0.6 undecidable manual P 19 109.8123 147 -0.31 45
IV.SERS.HNZ. 2023-12-21T12:02:53.57 0.3 undecidable manual P 83 98.8233 150 -0.18 70
IV.GRIS.EHZ. 2023-12-21T12:02:53.46 0.3 undecidable manual P 16 93.0402 151 0.07 72
IV.PLAC.HHZ. 2023-12-21T12:02:53.35 0.1 undecidable manual P 125 93.9393 151 -0.1 96
IV.SELL.HHZ. 2023-12-21T12:02:53.47 0.3 undecidable manual P 86 93.1401 151 0.07 72
XE.T0702.HHZ. 2023-12-21T12:02:53.59 0.3 undecidable manual P 28 98.4237 150 -0.13 72
IV.CET2.HHZ. 2023-12-21T12:02:52.42 0.1 undecidable manual P 28 74.4699 156 0.06 100
IV.SICLA.EHE. 2023-12-21T12:02:52.93 0.3 undecidable manual P 169 76.6677 156 0.45 69
IV.GRI.EHZ. 2023-12-21T12:02:47.50 3.0 undecidable manual S 0
IV.GRI.EHZ. 2023-12-21T12:02:46.84 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:2.0 0.000031440865 0.9792 AML other m 2023-12-21T12:03:12.83
IV.CET2.HHN. ML:2.2 0.00005560818 2.1568 AML other m 2023-12-21T12:03:11.09
IV.PLAC.HHE. ML:2.1 0.00004039006 1.4208 AML other m 2023-12-21T12:03:02.11
IV.PLAC.HHN. ML:2.0 0.00002878365 1.1008 AML other m 2023-12-21T12:03:19.06
IV.PLAC.HNE. ML:2.2 0.00004678220500000001 0.7744 AML other m 2023-12-21T12:03:37.92
IV.PLAC.HNN. ML:2.3 0.00005584346 0.8448 AML other m 2023-12-21T12:03:24.89
XE.T0702.HHE. ML:1.8 0.000018779755000000003 0.864 AML other m 2023-12-21T12:02:59.65
XE.T0702.HHN. ML:1.7 0.00001741081 6.5984 AML other m 2023-12-21T12:03:12.74
IV.CELI.HHE. ML:2.0 0.00002811533 2.8992 AML other m 2023-12-21T12:03:42.72
IV.CELI.HHN. ML:2.0 0.00003185772499999999 2.0032 AML other m 2023-12-21T12:03:04.04
IV.LADO.EHE. ML:2.3 0.000052244164999999994 1.44 AML other m 2023-12-21T12:03:13.85
IV.LADO.EHN. ML:2.4 0.000055415785000000005 1.2416 AML other m 2023-12-21T12:03:07.63
MN.CUC.HNE. ML:2.8 0.000152778868 1.1136 AML other m 2023-12-21T12:03:39.50
MN.CUC.HNN. ML:2.5 0.00007712993 0.64 AML other m 2023-12-21T12:03:41.21
MN.CUC.HHE. ML:1.9 0.000017584648605 0.7424 AML other m 2023-12-21T12:03:41.72
MN.CUC.HHN. ML:1.6 0.000011517764 1.0368 AML other m 2023-12-21T12:03:11.72
IV.PIPA.HHE. ML:2.0 0.000025484310000000003 0.8576 AML other m 2023-12-21T12:03:21.55
IV.PIPA.HHN. ML:1.9 0.000020064512499999998 0.7168 AML other m 2023-12-21T12:03:03.49
IV.PIPA.HNE. ML:2.9 0.00020955260000000002 0.8192 AML other m 2023-12-21T12:03:37.73
IV.PIPA.HNN. ML:3.1 0.000289465 0.864 AML other m 2023-12-21T12:03:02.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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