Earthquake with magnitude of ML 1.2 on date 19-05-2023 and time 08:37:41 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 19-05-2023 08:37:41 (UTC)
  • 19-05-2023 10:37:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5610, 6.8500 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bellino CN 14 109 109
Acceglio CN 15 162 271
Pontechianale CN 16 179 450
Casteldelfino CN 18 157 607
Prazzo CN 18 170 777
Elva CN 19 97 874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Cuneo (56081 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
87 Km SW of Torino (890529 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 1.2 2023-05-19
08:37:41
44.5608 6.8503 10 2023-05-19
08:49:15
Sala Sismica INGV-Roma 117483831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-19 08:37:41 ± 0.38
Latitude 44.5608 ± 0.0108
Longitude 6.8503 ± 0.0265
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 117483831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2192
Semi-minor axis of confidence ellipse (meter) 662
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 2190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.19695
Epicentral distance of station farthest from the epicenter (degree) 0.65650
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 117483831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-19 08:49:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHE. 2023-05-19T08:38:03.67 0.3 undecidable manual S 26 72.8715 50 -0.31 66
GU.ENR.HHE. 2023-05-19T08:38:00.23 0.6 undecidable manual S 129 58.0974 50 0.19 46
GU.STV.HHZ. 2023-05-19T08:37:57.49 0.6 undecidable manual S 133 51.5151 50 -0.78 39
GU.BHB.HHZ. 2023-05-19T08:37:56.53 0.6 undecidable manual S 47 44.622 50 0.1 48
GU.RSP.HHE. 2023-05-19T08:37:55.29 0.1 undecidable manual P 26 72.8715 50 0.7 78
GU.RRL.HHZ. 2023-05-19T08:37:54.90 0.6 undecidable manual S 353 40.2264 50 -0.37 46
GU.ENR.HHE. 2023-05-19T08:37:52.84 0.1 undecidable manual P 129 58.0974 50 0.53 86
GU.STV.HHZ. 2023-05-19T08:37:51.11 0.1 undecidable manual P 133 51.5151 50 -0.18 94
GU.BHB.HHZ. 2023-05-19T08:37:50.54 0.3 negative manual P 47 44.622 50 0.31 69
GU.RRL.HHZ. 2023-05-19T08:37:49.26 0.1 undecidable manual P 353 40.2264 50 -0.3 93
GU.PZZ.HHZ. 2023-05-19T08:37:49.85 0.6 undecidable manual S 106 21.867 114 -0.18 49
GU.PZZ.HHZ. 2023-05-19T08:37:46.40 0.1 positive manual P 106 21.867 114 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.4 0.0001651715 0.16 AML other m 2023-05-19T08:37:51.06
GU.PZZ.HHE. ML:1.4 0.00016050239999999998 0.1792 AML other m 2023-05-19T08:37:50.80
GU.RRL.HHE. ML:0.9 0.000025876875 0.2176 AML other m 2023-05-19T08:37:55.53
GU.RRL.HHN. ML:1.1 0.00003866425499999999 0.1792 AML other m 2023-05-19T08:37:55.63
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