Earthquake with magnitude of ML 0.8 on date 05-07-2023 and time 22:58:58 (Italy) in region 4 km SE Demonte (CN)

A magnitude ML 0.8 earthquake occured in region: 4 km SE Demonte (CN), on

  • 05-07-2023 20:58:58 (UTC)
  • 05-07-2023 22:58:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2870, 7.3320 at 16 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
Demonte CN 4 2003 2003
Valdieri CN 5 935 2938
Moiola CN 6 234 3172
Valloriate CN 7 109 3281
Entracque CN 7 774 4055
Gaiola CN 8 582 4637
Rittana CN 9 109 4746
Aisone CN 9 248 4994
Roaschia CN 10 107 5101
Roccasparvera CN 11 741 5842
Roccavione CN 12 2761 8603
Vinadio CN 13 644 9247
Borgo San Dalmazzo CN 13 12468 21715
Monterosso Grana CN 14 505 22220
Vignolo CN 14 2600 24820
Bernezzo CN 14 4104 28924
Valgrana CN 14 786 29710
Robilante CN 14 2306 32016
Pradleves CN 15 250 32266
Cervasca CN 15 5013 37279
Caraglio CN 17 6836 44115
Castelmagno CN 17 66 44181
Vernante CN 17 1178 45359
Montemale di Cuneo CN 17 241 45600
Boves CN 18 9835 55435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Cuneo (56081 inhabitants)
63 Km NW of Sanremo (54807 inhabitants)
84 Km SW of Moncalieri (57294 inhabitants)
92 Km W of Savona (61345 inhabitants)
92 Km SW of Torino (890529 inhabitants)
97 Km SW of Asti (76202 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 2023-07-05
20:58:58
44.2873 7.3318 16 2023-07-05
21:17:06
Sala Sismica INGV-Roma 118999961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-05 20:58:58 ± 0.22
Latitude 44.2873 ± 0.0144
Longitude 7.3318 ± 0.0163
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118999961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1683
Semi-minor axis of confidence ellipse (meter) 823
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.55128
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 118999961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-05 21:17:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2023-07-05T20:59:17.19 0.3 undecidable manual S 133 61.1943 95 -0.49 65
4P.IT06A.HHE. 2023-07-05T20:59:15.69 0.3 undecidable manual S 57 51.4152 97 0.6 64
GU.GBOS.HHZ. 2023-07-05T20:59:11.46 0.3 undecidable manual S 97 40.626 99 -0.78 60
GU.IMI.HHZ. 2023-07-05T20:59:10.03 0.1 undecidable manual P 133 61.1943 95 0.32 89
GU.BHB.HHZ. 2023-07-05T20:59:09.00 0.6 undecidable manual P 355 61.0944 95 -0.69 38
GU.PZZ.HHZ. 2023-07-05T20:59:09.06 0.3 undecidable manual S 325 29.748 105 -0.33 69
4P.IT06A.HHE. 2023-07-05T20:59:08.70 1.0 undecidable manual P 57 51.4152 97 0.49 22
GU.GBOS.HHZ. 2023-07-05T20:59:06.70 0.1 undecidable manual P 97 40.626 99 0.13 96
GU.PZZ.HHZ. 2023-07-05T20:59:05.18 0.1 undecidable manual P 325 29.748 105 0.25 97
GU.ENR.HHZ. 2023-07-05T20:59:04.48 0.3 undecidable manual S 133 9.3795 143 -0.25 74
GU.STV.HHZ. 2023-07-05T20:59:03.85 0.3 undecidable manual S 185 4.6953 160 -0.27 74
GU.STV.HHZ. 2023-07-05T20:59:02.17 0.1 undecidable manual P 185 4.6953 160 0.29 100
GU.ENR.HHZ. 2023-07-05T20:59:02.49 0.3 positive manual P 133 9.3795 143 0.26 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:1.1 0.00012775000000000002 1.9 AML other m 2023-07-05T20:59:03.95
GU.STV.HHN. ML:0.8 0.00006725000000000001 0.08 AML other m 2023-07-05T20:59:03.97
GU.ENR.HHN. ML:0.8 0.000057262715 0.064 AML other m 2023-07-05T20:59:05.04
GU.ENR.HHE. ML:0.9 0.00006984999999999999 1.34 AML other m 2023-07-05T20:59:05.04
GU.GBOS.HHE. ML:0.5 0.000007648810499999999 0.1408 AML other m 2023-07-05T20:59:13.16
GU.PZZ.HHE. ML:0.8 0.00003135 0.52 AML other m 2023-07-05T20:59:09.41
GU.PZZ.HHN. ML:0.8 0.000025803955 0.1024 AML other m 2023-07-05T20:59:09.95
GU.GBOS.HHN. ML:0.5 0.000008640707000000001 0.2048 AML other m 2023-07-05T20:59:12.87
GU.IMI.HHE. ML:0.9 0.000015899025 0.0768 AML other m 2023-07-05T20:59:18.18
GU.IMI.HHN. ML:1.2 0.000032485235 0.1024 AML other m 2023-07-05T20:59:17.63
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