Earthquake with magnitude of ML 1.0 on date 27-12-2023 and time 13:42:30 (Italy) in region 11 km S Vinadio (CN)

A magnitude ML 1.0 earthquake occured in region: 11 km S Vinadio (CN), on

  • 27-12-2023 12:42:30 (UTC)
  • 27-12-2023 13:42:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2120, 7.1390 at 11 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
Vinadio CN 11 644 644
Aisone CN 13 248 892
Sambuco CN 15 92 984
Pietraporzio CN 17 77 1061
Demonte CN 17 2003 3064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Cuneo (56081 inhabitants)
68 Km NW of Sanremo (54807 inhabitants)
98 Km SW of Moncalieri (57294 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 1.0 2023-12-27
12:42:30
44.2117 7.1388 11 2023-12-27
12:52:54
Sala Sismica INGV-Roma 124299651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-27 12:42:30 ± 0.21
Latitude 44.2117 ± 0.0072
Longitude 7.1388 ± 0.0125
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124299651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 865
Semi-minor axis of confidence ellipse (meter) 668
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.78691
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 124299651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-27 12:52:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2023-12-27T12:42:56.21 0.3 undecidable manual S 90 87.3459 90 0.22 65
GU.RORO.HHZ. 2023-12-27T12:42:52.59 0.3 undecidable manual S 98 74.6697 90 -0.01 67
GU.IMI.HHZ. 2023-12-27T12:42:50.96 0.3 undecidable manual S 119 68.7756 90 -0.08 67
GU.BURY.HHE. 2023-12-27T12:42:48.27 0.6 undecidable manual S 145 58.0974 90 0.08 47
GU.GBOS.HHZ. 2023-12-27T12:42:47.58 0.3 undecidable manual S 86 55.7997 90 0 69
GU.CANO.HHZ. 2023-12-27T12:42:45.84 0.1 undecidable manual P 90 87.3459 90 0.74 74
GU.RORO.HHZ. 2023-12-27T12:42:43.54 0.1 undecidable manual P 98 74.6697 90 0.4 84
FR.SAOF.HHE.00 2023-12-27T12:42:43.09 0.3 undecidable manual S 127 41.4252 91 -0.64 60
GU.IMI.HHZ. 2023-12-27T12:42:42.43 0.1 undecidable manual P 119 68.7756 90 0.19 89
GU.GBOS.HHZ. 2023-12-27T12:42:40.67 0.1 undecidable manual P 86 55.7997 90 0.43 87
GU.BURY.HHE. 2023-12-27T12:42:40.08 0.1 undecidable manual P 145 58.0974 90 -0.52 83
GU.PZZ.HHZ. 2023-12-27T12:42:40.87 0.3 undecidable manual S 357 32.745 91 -0.55 66
GU.ENR.HHE. 2023-12-27T12:42:38.35 0.3 undecidable manual S 85 22.2555 92 -0.28 69
FR.SAOF.HHE.00 2023-12-27T12:42:37.97 0.1 undecidable manual P 127 41.4252 91 -0.05 95
GU.PZZ.HHZ. 2023-12-27T12:42:36.59 0.1 undecidable manual P 357 32.745 91 -0.1 97
GU.STV.HHZ. 2023-12-27T12:42:36.61 0.3 undecidable manual S 76 15.3735 98 -0.17 72
GU.ENR.HHE. 2023-12-27T12:42:35.24 0.1 undecidable manual P 85 22.2555 92 0.16 97
GU.STV.HHZ. 2023-12-27T12:42:34.10 0.1 undecidable manual P 76 15.3735 98 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.0 0.0000378 0.2 AML other m 2023-12-27T12:42:41.49
GU.PZZ.HHN. ML:0.7 0.00001954372695 0.1216 AML other m 2023-12-27T12:42:41.44
GU.STV.HHE. ML:0.8 0.00004772826999999999 0.0768 AML other m 2023-12-27T12:42:36.68
GU.GBOS.HHN. ML:1.0 0.000024846010000000003 0.16 AML other m 2023-12-27T12:42:48.32
GU.GBOS.HHE. ML:1.0 0.000021290892999999997 0.1408 AML other m 2023-12-27T12:42:48.11
GU.IMI.HHN. ML:1.1 0.0000203111 0.1408 AML other m 2023-12-27T12:42:52.09
GU.IMI.HHE. ML:1.0 0.000013221388 0.6784 AML other m 2023-12-27T12:43:09.01
GU.RORO.HHN. ML:0.8 0.000012109704500000001 0.16 AML other m 2023-12-27T12:42:53.40
GU.RORO.HHE. ML:0.8 0.00000855142 0.2048 AML other m 2023-12-27T12:42:54.83
GU.CANO.HHN. ML:1.2 0.0000201818605 0.0768 AML other m 2023-12-27T12:43:07.83
GU.CANO.HHE. ML:1.7 0.00005375747 1.376 AML other m 2023-12-27T12:43:18.89
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