Earthquake with magnitude of ML 1.3 on date 09-02-2023 and time 13:26:29 (UTC) in region 11 km W Entracque (CN)

A magnitude ML 1.3 earthquake occured in region: 11 km W Entracque (CN), on

  • 09-02-2023 13:26:29 (UTC)
  • 09-02-2023 14:26:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2100, 7.2630 at 12 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
Entracque CN 11 774 774
Aisone CN 12 248 1022
Demonte CN 12 2003 3025
Vinadio CN 13 644 3669
Valdieri CN 13 935 4604
Moiola CN 16 234 4838
Valloriate CN 17 109 4947
Roaschia CN 17 107 5054
Gaiola CN 18 582 5636
Rittana CN 19 109 5745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Cuneo (56081 inhabitants)
60 Km NW of Sanremo (54807 inhabitants)
94 Km SW of Moncalieri (57294 inhabitants)
98 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
Bulletin
Rev1000
ML 1.3 2023-02-09
13:26:29
44.2098 7.2632 12 2024-03-01
17:17:59
Bollettino Sismico Italiano INGV 115626251
Reviewed
Rev100
ML 1.4 2023-02-09
13:26:29
44.1958 7.2532 11 2023-02-09
13:34:35
Sala Sismica INGV-Roma 114296951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-09 13:26:29 ± 0.19
Latitude 44.2098 ± 0.0090
Longitude 7.2632 ± 0.0125
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115626251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1003
Semi-minor axis of confidence ellipse (meter) 661
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.78331
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 115626251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-22 12:15:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 114296951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-09 13:34:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2023-02-09T13:26:49.89 0.3 undecidable manual S 360 69.375 90 -0.34 63
GU.RORO.HHZ. 2023-02-09T13:26:49.19 0.3 undecidable manual S 99 64.8906 91 0.17 66
IV.QLNO.HHE. 2023-02-09T13:26:44.99 0.6 undecidable manual P 81 86.9463 90 0.92 33
GU.MGRO.HHZ. 2023-02-09T13:26:44.18 0.3 undecidable manual S 113 47.2194 91 -0.12 69
GU.GBOS.HHZ. 2023-02-09T13:26:43.99 0.1 undecidable manual S 85 46.0206 91 0.01 93
GU.CANO.HHE. 2023-02-09T13:26:43.19 0.6 undecidable manual P 90 77.4669 90 0.59 39
GU.BHB.HHZ. 2023-02-09T13:26:41.23 0.3 undecidable manual P 360 69.375 90 -0.13 66
GU.PZZ.HHZ. 2023-02-09T13:26:40.80 0.3 undecidable manual S 340 34.9428 91 -0.22 69
GU.RORO.HHZ. 2023-02-09T13:26:40.80 0.3 undecidable manual P 99 64.8906 91 0.14 67
FR.SAOF.HHZ.00 2023-02-09T13:26:39.72 0.3 undecidable manual S 137 33.9438 91 -1.04 53
GU.GBOS.HHZ. 2023-02-09T13:26:37.92 0.3 undecidable manual P 85 46.0206 91 0.17 69
GU.MGRO.HHZ. 2023-02-09T13:26:37.95 0.3 undecidable manual P 113 47.2194 91 0.01 70
FR.SAOF.HHZ.00 2023-02-09T13:26:36.67 1.0 undecidable manual P 137 33.9438 91 0.78 19
GU.PZZ.HHZ. 2023-02-09T13:26:36.28 0.1 undecidable manual P 340 34.9428 91 0.23 92
GU.ENR.HHZ. 2023-02-09T13:26:34.86 0.3 undecidable manual S 80 12.4764 112 -0.23 71
GU.STV.HHZ. 2023-02-09T13:26:33.41 0.3 undecidable manual S 52 6.3936 142 -0.37 70
GU.ENR.HHZ. 2023-02-09T13:26:32.76 0.1 undecidable manual P 80 12.4764 112 0.14 97
GU.STV.HHZ. 2023-02-09T13:26:31.91 0.1 undecidable manual P 52 6.3936 142 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:1.4 0.00033867515000000003 0.0768 AML other m 2023-02-09T13:26:33.44
GU.STV.HHN. ML:1.9 0.0011369164 0.1408 AML other m 2023-02-09T13:26:33.51
GU.ENR.HHE. ML:1.8 0.00071547335 0.064 AML other m 2023-02-09T13:26:35.05
GU.ENR.HHN. ML:1.8 0.0007071321499999999 0.0576 AML other m 2023-02-09T13:26:35.10
GU.PZZ.HHE. ML:1.9 0.000301 0.18 AML other m 2023-02-09T13:26:41.02
GU.PZZ.HHN. ML:1.6 0.000172997 0.2048 AML other m 2023-02-09T13:26:41.59
GU.GBOS.HHE. ML:1.1 0.000032891285 1.7952 AML other m 2023-02-09T13:26:43.91
GU.MGRO.HHE. ML:1.0 0.000027303451499999998 0.2624 AML other m 2023-02-09T13:26:44.30
GU.GBOS.HHN. ML:1.0 0.00003204469 0.2176 AML other m 2023-02-09T13:26:44.69
GU.RORO.HHN. ML:1.1 0.000024873415 0.2432 AML other m 2023-02-09T13:26:49.54
GU.RORO.HHE. ML:1.0 0.0000177394465 0.1984 AML other m 2023-02-09T13:26:49.44
GU.BHB.HHE. ML:1.0 0.000016139264 0.5632 AML other m 2023-02-09T13:27:09.18
GU.BHB.HHN. ML:1.1 0.000019479425 0.96 AML other m 2023-02-09T13:27:07.97
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