Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-12-2023 and time 12:23:33 (Italy) in region 1 km SW Samo (RC)

A magnitude ML 1.4 earthquake occured in region: 1 km SW Samo (RC), on

  • 29-12-2023 11:23:33 (UTC)
  • 29-12-2023 12:23:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0690, 16.0530 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Samo RC 1 809 809
Sant'Agata del Bianco RC 4 592 1401
Caraffa del Bianco RC 4 539 1940
Ferruzzano RC 5 772 2712
Casignana RC 5 759 3471
Bruzzano Zeffirio RC 7 1111 4582
Africo RC 7 3075 7657
Staiti RC 8 248 7905
San Luca RC 9 3881 11786
Bianco RC 9 4273 16059
Brancaleone RC 12 3584 19643
Bova RC 13 448 20091
Careri RC 14 2360 22451
Roccaforte del Greco RC 14 476 22927
Bovalino RC 14 8905 31832
Benestare RC 15 2556 34388
Platì RC 17 3812 38200
Ardore RC 17 5088 43288
Palizzi RC 18 2480 45768
Condofuri RC 18 5113 50881
Bova Marina RC 19 4235 55116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Reggio di Calabria (183035 inhabitants)
46 Km E of Messina (238439 inhabitants)
93 Km NE 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
Reviewed
Rev100 		ML 1.4 2023-12-29
11:23:33		 38.0693 16.0532 10 2023-12-29
11:30:02		 Sala Sismica INGV-Roma 124339431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-29 11:23:33 ± 0.15
Latitude 38.0693 ± 0.0081
Longitude 16.0532 ± 0.0080
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124339431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 912
Semi-minor axis of confidence ellipse (meter) 628
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
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) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00360
Epicentral distance of station farthest from the epicenter (degree) 0.48563
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:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124339431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-29 11:30:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2023-12-29T11:23:50.84 0.6 undecidable manual S 38 53.9016 50 0.13 48
IV.SICLA.EHZ. 2023-12-29T11:23:46.08 0.3 undecidable manual S 305 36.0417 50 0.12 74
IV.MRCB.HHZ. 2023-12-29T11:23:45.12 0.3 undecidable manual S 289 32.2455 50 0.19 74
IV.GMB1.HHZ. 2023-12-29T11:23:42.76 0.3 undecidable manual S 299 23.4543 50 0.17 74
IV.PLAC.HHZ. 2023-12-29T11:23:42.99 0.3 undecidable manual P 38 53.9016 50 -0.53 64
IY.OPPI.HHZ. 2023-12-29T11:23:41.93 0.3 undecidable manual S 350 22.2555 115 -0.3 74
IV.SICLA.EHZ. 2023-12-29T11:23:40.91 0.3 undecidable manual P 305 36.0417 50 0.13 74
IV.MRCB.HHZ. 2023-12-29T11:23:40.32 0.3 undecidable manual P 289 32.2455 50 0.13 75
IY.CNDF.HHZ.00 2023-12-29T11:23:40.63 0.3 undecidable manual S 247 18.6702 119 -0.47 71
IV.GMB1.HHZ. 2023-12-29T11:23:38.91 0.3 undecidable manual P 299 23.4543 50 0.07 76
IY.OPPI.HHZ. 2023-12-29T11:23:38.48 0.3 undecidable manual P 350 22.2555 115 -0.15 76
IY.CNDF.HHZ.00 2023-12-29T11:23:37.73 0.3 undecidable manual P 247 18.6702 119 -0.25 75
IV.SOI.EHZ. 2023-12-29T11:23:37.58 0.3 undecidable manual S 13 0.3996 178 0.28 76
IV.SOI.EHZ. 2023-12-29T11:23:36.13 0.1 undecidable manual P 13 0.3996 178 0.35 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHE. ML:1.2 0.000325 0.26 AML other m 2023-12-29T11:23:37.74
IV.SOI.EHN. ML:1.6 0.000807 0.1 AML other m 2023-12-29T11:23:37.76
IY.OPPI.HHE. ML:1.7 0.00031999999999999997 0.16 AML other m 2023-12-29T11:23:42.66
IV.GMB1.HHE. ML:1.3 0.000131 0.52 AML other m 2023-12-29T11:23:43.88
IY.OPPI.HHN. ML:1.7 0.0003345 0.46 AML other m 2023-12-29T11:23:43.68
IV.GMB1.HNE. ML:1.3 0.000122 0.28 AML other m 2023-12-29T11:23:43.99
IV.GMB1.HHN. ML:1.4 0.00015250000000000002 0.36 AML other m 2023-12-29T11:23:44.04
IV.GMB1.HNN. ML:1.4 0.00016 0.36 AML other m 2023-12-29T11:23:44.05
IV.MRCB.HHN. ML:1.3 0.0000812 0.14 AML other m 2023-12-29T11:23:45.59
IV.MRCB.HHE. ML:1.4 0.0000997 0.16 AML other m 2023-12-29T11:23:45.50
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