Earthquake with magnitude of ML 0.7 on date 02-02-2023 and time 03:26:39 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 0.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 02-02-2023 03:26:39 (UTC)
  • 02-02-2023 04:26:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8640, 6.8250 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Sauze di Cesana TO 9 244 244
Claviere TO 10 214 458
Cesana Torinese TO 10 967 1425
Sestriere TO 11 929 2354
Prali TO 18 246 2600
Sauze d'Oulx TO 19 1109 3709
Oulx TO 19 3307 7016
Pragelato TO 20 776 7792

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km W of Moncalieri (57294 inhabitants)
71 Km W of Torino (890529 inhabitants)
78 Km NW of Cuneo (56081 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
Bulletin
Rev1000
ML 0.7 2023-02-02
03:26:39
44.8635 6.8248 13 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117750011
Reviewed
Rev100
ML 0.7 2023-02-02
03:26:39
44.8665 6.8212 12 2023-02-02
03:33:18
Sala Sismica INGV-Roma 113972011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-02 03:26:39 ± 0.17
Latitude 44.8635 ± 0.0117
Longitude 6.8248 ± 0.0140
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117750011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1495
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 117750011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-26 15:11:51

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113972011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-02 03:33:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHE. 2023-02-02T03:27:00.82 0.3 undecidable manual S 275 74.4699 92 -0.61 59
GU.LSD.HHZ. 2023-02-02T03:26:59.72 0.3 undecidable manual S 20 70.374 92 -0.62 58
GU.RSP.HHE. 2023-02-02T03:26:53.89 0.3 undecidable manual S 47 46.8198 93 -0.15 68
GU.PZZ.HHZ. 2023-02-02T03:26:53.24 0.3 undecidable manual S 150 45.7209 93 -0.53 61
RD.ORIF.BHE. 2023-02-02T03:26:52.44 0.1 undecidable manual P 275 74.4699 92 0.45 81
GU.LSD.HHZ. 2023-02-02T03:26:51.86 0.1 undecidable manual P 20 70.374 92 0.5 81
GU.BHB.HHZ. 2023-02-02T03:26:50.58 0.1 undecidable manual S 95 34.6431 94 -0.21 90
GU.RSP.HHE. 2023-02-02T03:26:48.12 0.1 undecidable manual P 47 46.8198 93 0.4 87
GU.PZZ.HHZ. 2023-02-02T03:26:47.46 0.1 undecidable manual P 150 45.7209 93 -0.1 91
MN.BNI.HHZ. 2023-02-02T03:26:47.46 0.3 undecidable manual S 331 23.8539 98 -0.49 67
GU.BHB.HHZ. 2023-02-02T03:26:46.18 0.1 undecidable manual P 95 34.6431 94 0.34 90
MN.BNI.HHZ. 2023-02-02T03:26:44.26 0.1 undecidable manual P 331 23.8539 98 0.06 96
GU.RRL.HHZ. 2023-02-02T03:26:43.92 0.1 undecidable manual S 337 6.993 143 -0.03 100
GU.RRL.HHZ. 2023-02-02T03:26:42.24 0.1 negative manual P 337 6.993 143 0.35 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.0 0.00013000000000000002 1.84 AML other m 2023-02-02T03:26:43.99
GU.RRL.HHE. ML:1.0 0.0001193 0.14 AML other m 2023-02-02T03:26:44.01
MN.BNI.HHE. ML:0.5 0.000019642639500000002 0.5584 AML other m 2023-02-02T03:26:47.85
MN.BNI.HNE. ML:0.5 0.000019437915 0.6784 AML other m 2023-02-02T03:26:47.91
MN.BNI.HHN. ML:0.2 0.000011284325 0.1808 AML other m 2023-02-02T03:26:48.82
MN.BNI.HNN. ML:0.5 0.00002187624 0.4992 AML other m 2023-02-02T03:26:49.47
GU.BHB.HHN. ML:0.6 0.000014540455000000001 1.48 AML other m 2023-02-02T03:26:50.95
GU.BHB.HHE. ML:0.6 0.000013135646 1.5408 AML other m 2023-02-02T03:26:51.85
GU.BHB.HNE. ML:0.8 0.0000235388335 1.5296 AML other m 2023-02-02T03:26:51.85
GU.BHB.HNN. ML:0.6 0.000016011249999999997 1.0496 AML other m 2023-02-02T03:26:51.25
GU.PZZ.HHN. ML:0.8 0.00002067977 0.1984 AML other m 2023-02-02T03:26:53.75
GU.PZZ.HHE. ML:0.9 0.000025211821999999998 1.8208 AML other m 2023-02-02T03:26:53.96
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