Earthquake with magnitude of ML 0.4 on date 12-08-2022 and time 09:05:54 (Italy) in region 2 km E Valdieri (CN)

A magnitude ML 0.4 earthquake occured in region: 2 km E Valdieri (CN), on

  • 12-08-2022 07:05:54 (UTC)
  • 12-08-2022 09:05:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2800, 7.4230 at 9 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
Valdieri CN 2 935 935
Roaschia CN 3 107 1042
Entracque CN 5 774 1816
Moiola CN 5 234 2050
Roccavione CN 6 2761 4811
Gaiola CN 6 582 5393
Roccasparvera CN 7 741 6134
Robilante CN 7 2306 8440
Valloriate CN 8 109 8549
Borgo San Dalmazzo CN 8 12468 21017
Rittana CN 8 109 21126
Vignolo CN 10 2600 23726
Vernante CN 10 1178 24904
Demonte CN 11 2003 26907
Boves CN 12 9835 36742
Cervasca CN 12 5013 41755
Bernezzo CN 12 4104 45859
Valgrana CN 15 786 46645
Limone Piemonte CN 15 1485 48130
Caraglio CN 15 6836 54966
Cuneo CN 16 56081 111047
Monterosso Grana CN 16 505 111552
Aisone CN 16 248 111800
Peveragno CN 17 5543 117343
Montemale di Cuneo CN 18 241 117584
Pradleves CN 19 250 117834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Cuneo (56081 inhabitants)
59 Km NW of Sanremo (54807 inhabitants)
83 Km S of Moncalieri (57294 inhabitants)
84 Km W of Savona (61345 inhabitants)
91 Km S of Torino (890529 inhabitants)
93 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 0.4 2022-08-12
07:05:54
44.2802 7.423 9 2022-08-12
07:16:19
Sala Sismica INGV-Roma 108437731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-12 07:05:54 ± 0.16
Latitude 44.2802 ± 0.0108
Longitude 7.4230 ± 0.0214
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108437731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1840
Semi-minor axis of confidence ellipse (meter) 855
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 1840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.56657
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:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 108437731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-12 07:16:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2022-08-12T07:06:13.17 0.6 undecidable manual S 348 62.8926 50 -0.63 39
GU.MGRO.HHE. 2022-08-12T07:06:07.79 0.3 undecidable manual S 131 40.4262 50 -0.02 71
GU.BHB.HHZ. 2022-08-12T07:06:06.28 0.6 undecidable manual P 348 62.8926 50 0.8 36
FR.SAOF.HHZ.00 2022-08-12T07:06:05.93 0.3 undecidable manual S 162 34.2435 50 -0.22 69
GU.MGRO.HHE. 2022-08-12T07:06:02.26 0.6 undecidable manual P 131 40.4262 50 0.25 45
FR.SAOF.HHZ.00 2022-08-12T07:06:01.90 1.0 undecidable manual P 162 34.2435 50 0.84 19
GU.GBOS.HHZ. 2022-08-12T07:06:00.93 0.6 undecidable manual P 97 33.4443 50 0 48
GU.PZZ.HHZ. 2022-08-12T07:06:00.81 0.6 undecidable manual P 316 34.9428 50 -0.37 44
GU.STV.HHZ. 2022-08-12T07:05:58.42 0.3 undecidable manual S 243 8.5803 136 -0.01 75
GU.ENR.HHZ. 2022-08-12T07:05:57.38 0.3 undecidable manual S 184 5.5944 148 -0.41 69
GU.ENR.HHZ. 2022-08-12T07:05:56.28 0.1 undecidable manual P 184 5.5944 148 0.05 100
GU.STV.HHZ. 2022-08-12T07:05:56.96 0.3 undecidable manual P 243 8.5803 136 0.36 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.ENR.HHE. ML:1.0 0.000191 0.08 AML other m 2022-08-12T07:05:57.49
GU.ENR.HHN. ML:1.0 0.00018606685 0.08 AML other m 2022-08-12T07:05:59.34
GU.STV.HHE. ML:0.4 0.00003665 0.44 AML other m 2022-08-12T07:05:59.55
GU.STV.HHN. ML:0.2 0.00002432424 0.16 AML other m 2022-08-12T07:05:59.81
GU.GBOS.HHE. ML:0.1 0.000007036717000000001 0.1408 AML other m 2022-08-12T07:06:06.54
GU.GBOS.HHN. ML:0.1 0.000007038125500000001 0.1408 AML other m 2022-08-12T07:06:06.61
GU.PZZ.HHE. ML:0.4 0.000009658124 0.2208 AML other m 2022-08-12T07:06:08.23
GU.PZZ.HHN. ML:0.4 0.000011087405 0.1216 AML other m 2022-08-12T07:06:07.70
GU.BHB.HHE. ML:0.4 0.0000054074195 0.08 AML other m 2022-08-12T07:06:16.50
GU.BHB.HHN. ML:0.4 0.00000460994665 0.1984 AML other m 2022-08-12T07:06:14.65
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