Earthquake with magnitude of ML 0.8 on date 04-06-2023 and time 04:48:27 (UTC) in region 3 km W Sampeyre (CN)

A magnitude ML 0.8 earthquake occured in region: 3 km W Sampeyre (CN), on

  • 04-06-2023 04:48:27 (UTC)
  • 04-06-2023 06:48:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5750, 7.1570 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
Sampeyre CN 3 1022 1022
Elva CN 7 97 1119
Casteldelfino CN 7 157 1276
Stroppo CN 8 103 1379
Macra CN 9 59 1438
Frassino CN 10 265 1703
Celle di Macra CN 10 100 1803
Bellino CN 11 109 1912
Pontechianale CN 11 179 2091
Oncino CN 12 76 2167
San Damiano Macra CN 12 430 2597
Prazzo CN 13 170 2767
Melle CN 13 292 3059
Ostana CN 13 83 3142
Crissolo CN 14 168 3310
Marmora CN 14 68 3378
Canosio CN 15 80 3458
Cartignano CN 15 190 3648
Sanfront CN 15 2395 6043
Valmala CN 16 52 6095
Paesana CN 16 2784 8879
Brossasco CN 16 1084 9963
Gambasca CN 16 371 10334
Acceglio CN 17 162 10496
Rifreddo CN 18 1078 11574
Martiniana Po CN 18 734 12308
Isasca CN 18 76 12384
Roccabruna CN 18 1585 13969
Castelmagno CN 19 66 14035
Venasca CN 19 1437 15472
Pradleves CN 20 250 15722
Brondello CN 20 290 16012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Cuneo (56081 inhabitants)
63 Km SW of Moncalieri (57294 inhabitants)
69 Km SW of Torino (890529 inhabitants)
90 Km W of Asti (76202 inhabitants)
98 Km NW of Sanremo (54807 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 0.8 2023-06-04
04:48:27
44.5753 7.1567 11 2023-06-04
04:54:42
Sala Sismica INGV-Roma 118074321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 04:48:27 ± 0.13
Latitude 44.5753 ± 0.0072
Longitude 7.1567 ± 0.0164
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 118074321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1294
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
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) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 118074321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 04:54:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
4P.IT06A.HHE. 2023-06-04T04:48:45.14 0.6 undecidable manual S 94 57.2982 90 0.05 45
GU.BURY.HHE. 2023-06-04T04:48:43.87 0.1 undecidable manual P 160 93.5397 90 0.71 71
GU.CANO.HHZ. 2023-06-04T04:48:43.51 0.1 undecidable manual P 115 94.8384 90 0.14 83
GU.RRL.HHE. 2023-06-04T04:48:42.38 0.6 undecidable manual S 323 48.0186 90 -0.22 44
GU.ENR.HHZ. 2023-06-04T04:48:41.14 0.3 undecidable manual S 152 43.623 90 -0.28 67
FR.SAOF.HHE.00 2023-06-04T04:48:40.49 0.6 undecidable manual P 154 72.5718 90 0.56 39
GU.MGRO.HHE. 2023-06-04T04:48:40.91 0.1 undecidable manual P 139 78.5658 90 0.06 87
GU.STV.HHZ. 2023-06-04T04:48:39.38 0.3 undecidable manual S 160 39.0276 90 -0.82 57
GU.RSP.HHE. 2023-06-04T04:48:38.73 0.1 undecidable manual P 8 64.0914 90 0.1 89
GU.GBOS.HHE. 2023-06-04T04:48:38.81 0.1 undecidable manual P 124 65.5899 90 -0.04 90
GU.BHB.HHZ. 2023-06-04T04:48:37.12 0.3 undecidable manual S 16 30.0477 90 -0.69 61
4P.IT06A.HHE. 2023-06-04T04:48:37.51 0.1 undecidable manual P 94 57.2982 90 -0.07 91
GU.RRL.HHE. 2023-06-04T04:48:36.36 0.1 undecidable manual P 323 48.0186 90 0.22 90
GU.ENR.HHZ. 2023-06-04T04:48:35.50 0.6 undecidable manual P 152 43.623 90 0.03 47
GU.STV.HHZ. 2023-06-04T04:48:34.83 1.0 positive manual P 160 39.0276 90 0.07 23
GU.BHB.HHZ. 2023-06-04T04:48:33.44 0.3 positive manual P 16 30.0477 90 0.06 71
GU.PZZ.HHZ. 2023-06-04T04:48:31.59 0.6 undecidable manual S 203 8.2806 130 -0.56 44
GU.PZZ.HHZ. 2023-06-04T04:48:30.13 0.1 positive manual P 203 8.2806 130 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.1 0.00017999999999999998 0.26 AML other m 2023-06-04T04:48:31.80
GU.PZZ.HHE. ML:0.9 0.00011249999999999998 1.54 AML other m 2023-06-04T04:48:32.78
GU.BHB.HHE. ML:0.6 0.0000207 0.48 AML other m 2023-06-04T04:48:37.53
GU.BHB.HHN. ML:0.6 0.000017599999999999998 0.24 AML other m 2023-06-04T04:48:37.51
GU.STV.HHE. ML:0.4 0.000010620000000000002 0.88 AML other m 2023-06-04T04:48:39.82
GU.STV.HHN. ML:0.4 0.000011015 0.9 AML other m 2023-06-04T04:48:39.83
GU.ENR.HHE. ML:1.1 0.000034049999999999994 1 AML other m 2023-06-04T04:48:41.35
GU.ENR.HHN. ML:0.9 0.00002605 0.32 AML other m 2023-06-04T04:48:41.89
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