Earthquake with magnitude of ML 1.1 on date 30-11-2023 and time 06:15:35 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 30-11-2023 06:15:35 (UTC)
  • 30-11-2023 07:15:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1190, 7.3430 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
Entracque CN 14 774 774
Valdieri CN 18 935 1709
Roaschia CN 19 107 1816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Cuneo (56081 inhabitants)
48 Km NW of Sanremo (54807 inhabitants)
93 Km W of Savona (61345 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 2023-11-30
06:15:35
44.1187 7.3433 11 2023-11-30
06:22:55
Sala Sismica INGV-Roma 123572851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-30 06:15:35 ± 0.19
Latitude 44.1187 ± 0.0081
Longitude 7.3433 ± 0.0150
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123572851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1328
Semi-minor axis of confidence ellipse (meter) 361
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 0.95778
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 2
Type of magnitude ML
Reference to an origin 123572851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-30 06:22:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2023-11-30T06:16:07.23 0.6 undecidable manual S 63 106.3158 50 0.65 38
GU.PCP.HHZ. 2023-11-30T06:15:54.30 3.0 undecidable manual P 63 106.3158 50 0.77 0
GU.IMI.HHZ. 2023-11-30T06:15:51.10 0.6 undecidable manual S 118 49.617 50 -0.34 44
GU.PZZ.HHZ. 2023-11-30T06:15:50.35 0.3 undecidable manual S 337 46.62 50 -0.32 65
GU.GBOS.HHZ. 2023-11-30T06:15:48.98 0.3 undecidable manual S 71 41.8248 50 -0.39 65
GU.IMI.HHZ. 2023-11-30T06:15:45.05 0.1 positive manual P 118 49.617 50 0.26 92
GU.PZZ.HHZ. 2023-11-30T06:15:44.45 0.6 positive manual P 337 46.62 50 0.11 48
FR.SAOF.HHZ.00 2023-11-30T06:15:43.88 0.6 undecidable manual S 131 22.2555 50 -0.28 47
GU.GBOS.HHZ. 2023-11-30T06:15:43.80 0.6 undecidable manual P 71 41.8248 50 0.21 47
GU.ENR.HHE. 2023-11-30T06:15:41.57 0.6 undecidable manual S 26 13.6752 128 -0.16 49
GU.STV.HHZ. 2023-11-30T06:15:41.55 0.6 undecidable manual S 354 14.0748 127 -0.3 48
FR.SAOF.HHZ.00 2023-11-30T06:15:40.66 0.1 negative manual P 131 22.2555 50 0.08 100
GU.STV.HHZ. 2023-11-30T06:15:39.38 1.0 undecidable manual P 354 14.0748 127 0.13 25
GU.ENR.HHE. 2023-11-30T06:15:39.52 0.1 undecidable manual P 26 13.6752 128 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:1.0 0.00009175 0.08 AML other m 2023-11-30T06:15:41.71
GU.STV.HHE. ML:1.3 0.00019350000000000001 0.2 AML other m 2023-11-30T06:15:41.57
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