Earthquake with magnitude of ML 1.1 on date 20-12-2023 and time 08:13:51 (Italy) in region 1 km SW Cittanova (RC)

A magnitude ML 1.1 earthquake occured in region: 1 km SW Cittanova (RC), on

  • 20-12-2023 07:13:51 (UTC)
  • 20-12-2023 08:13:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3470, 16.0760 at 16 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittanova RC 1 10410 10410
San Giorgio Morgeto RC 5 3058 13468
Taurianova RC 6 15636 29104
Molochio RC 6 2564 31668
Terranova Sappo Minulio RC 7 523 32191
Polistena RC 7 10496 42687
Cinquefrondi RC 8 6539 49226
Varapodio RC 9 2160 51386
Oppido Mamertina RC 10 5332 56718
Melicucco RC 10 5101 61819
Anoia RC 10 2212 64031
Antonimina RC 10 1317 65348
Maropati RC 11 1524 66872
Canolo RC 11 746 67618
Giffone RC 12 1907 69525
Ciminà RC 13 568 70093
Rizziconi RC 13 7829 77922
Galatro RC 13 1709 79631
Feroleto della Chiesa RC 13 1695 81326
Santa Cristina d'Aspromonte RC 14 929 82255
Agnana Calabra RC 14 562 82817
Platì RC 14 3812 86629
Mammola RC 15 2847 89476
Cosoleto RC 15 859 90335
Gerace RC 15 2652 92987
Laureana di Borrello RC 16 5174 98161
Grotteria RC 17 3154 101315
Scido RC 17 931 102246
Portigliola RC 17 1201 103447
Sant'Ilario dello Ionio RC 17 1377 104824
Melicuccà RC 18 930 105754
Candidoni RC 18 416 106170
Rosarno RC 18 14841 121011
San Procopio RC 18 534 121545
San Giovanni di Gerace RC 18 481 122026
Seminara RC 18 2811 124837
Gioia Tauro RC 18 19864 144701
Delianuova RC 18 3352 148053
Martone RC 19 530 148583
Benestare RC 19 2556 151139
Serrata RC 19 845 151984
Careri RC 19 2360 154344
Ardore RC 19 5088 159432
Sinopoli RC 20 2089 161521
Palmi RC 20 18930 180451
Gioiosa Ionica RC 20 7181 187632

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Reggio di Calabria (183035 inhabitants)
48 Km E of Messina (238439 inhabitants)
73 Km S of Lamezia Terme (70714 inhabitants)
77 Km SW of Catanzaro (90612 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 1.1 2023-12-20
07:13:51
38.3472 16.0763 16 2023-12-20
07:31:58
Sala Sismica INGV-Roma 124154811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-20 07:13:51 ± 0.13
Latitude 38.3472 ± 0.0072
Longitude 16.0763 ± 0.0138
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124154811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1061
Semi-minor axis of confidence ellipse (meter) 843
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124154811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-20 07:31:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAZ.HHE. 2023-12-20T07:14:05.89 0.6 undecidable manual S 188 44.1225 99 0.47 42
IV.MRCB.HHZ. 2023-12-20T07:14:03.97 0.6 undecidable manual S 238 38.4282 101 0.04 48
IV.PLAC.HHZ. 2023-12-20T07:14:02.40 0.6 undecidable manual S 70 33.4443 103 -0.22 46
IV.GMB1.HHZ. 2023-12-20T07:14:01.77 0.6 undecidable manual S 229 29.748 106 0.11 48
IV.SOI.EHZ. 2023-12-20T07:14:01.85 0.6 undecidable manual S 184 30.4473 105 0 48
IY.SPDC.HHZ. 2023-12-20T07:13:59.72 0.6 undecidable manual S 14 20.4684 117 0.37 46
IV.MPAZ.HHE. 2023-12-20T07:13:58.99 0.1 undecidable manual P 188 44.1225 99 -0.37 88
IV.MRCB.HHZ. 2023-12-20T07:13:58.27 0.6 undecidable manual P 238 38.4282 101 -0.23 45
IV.SOI.EHZ. 2023-12-20T07:13:57.76 0.3 undecidable manual P 184 30.4473 105 0.46 66
IV.GMB1.HHZ. 2023-12-20T07:13:57.23 0.6 positive manual P 229 29.748 106 0.04 48
IV.PLAC.HHZ. 2023-12-20T07:13:57.47 0.6 undecidable manual P 70 33.4443 103 -0.27 46
IY.OPPI.HHZ. 2023-12-20T07:13:56.92 0.6 undecidable manual S 213 10.5783 140 -0.34 47
IY.SPDC.HHZ. 2023-12-20T07:13:55.94 0.1 undecidable manual P 14 20.4684 117 0.09 98
IY.OPPI.HHZ. 2023-12-20T07:13:54.62 0.1 undecidable manual P 213 10.5783 140 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GMB1.HHN. ML:1.2 0.00006434472999999999 0.1408 AML other m 2023-12-20T07:14:02.09
IV.SOI.EHE. ML:1.3 0.00008455 0.24 AML other m 2023-12-20T07:14:02.56
IV.GMB1.HHE. ML:1.3 0.0000775 0.12 AML other m 2023-12-20T07:14:03.11
IV.SOI.EHN. ML:1.2 0.00006345000000000001 1.02 AML other m 2023-12-20T07:14:03.92
IV.PLAC.HHN. ML:0.8 0.00002685 1.7 AML other m 2023-12-20T07:14:03.85
IV.MRCB.HHE. ML:1.3 0.00006815 0.34 AML other m 2023-12-20T07:14:04.20
IV.MRCB.HHN. ML:1.1 0.00004725 1.1 AML other m 2023-12-20T07:14:04.31
IV.PLAC.HHE. ML:0.9 0.000029199999999999998 0.58 AML other m 2023-12-20T07:14:08.92
IV.GMB1.HNE. ML:1.1 0.000053744465000000004 0.0992 AML other m 2023-12-20T07:14:03.61
IV.GMB1.HNN. ML:1.3 0.00008312223000000001 0.1408 AML other m 2023-12-20T07:14:03.04
IV.PLAC.HNE. ML:1.1 0.000047524129999999997 0.9696 AML other m 2023-12-20T07:14:03.62
IV.PLAC.HNN. ML:1.0 0.000035408666 1.2672 AML other m 2023-12-20T07:14:03.12
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