Earthquake with magnitude of ML 0.2 on date 12-08-2022 and time 04:04:32 (UTC) in region 2 km SE Frassino (CN)

A magnitude ML 0.2 earthquake occured in region: 2 km SE Frassino (CN), on

  • 12-08-2022 04:04:32 (UTC)
  • 12-08-2022 06:04:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5580, 7.2950 at 6 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
Frassino CN 2 265 265
Melle CN 2 292 557
Valmala CN 4 52 609
Brossasco CN 6 1084 1693
Isasca CN 8 76 1769
Venasca CN 8 1437 3206
San Damiano Macra CN 8 430 3636
Sampeyre CN 9 1022 4658
Cartignano CN 9 190 4848
Gambasca CN 9 371 5219
Martiniana Po CN 10 734 5953
Roccabruna CN 10 1585 7538
Brondello CN 10 290 7828
Sanfront CN 10 2395 10223
Villar San Costanzo CN 11 1547 11770
Macra CN 11 59 11829
Rossana CN 11 908 12737
Rifreddo CN 11 1078 13815
Dronero CN 12 7035 20850
Celle di Macra CN 12 100 20950
Pagno CN 13 585 21535
Piasco CN 13 2774 24309
Revello CN 13 4262 28571
Castellar CN 13 295 28866
Paesana CN 14 2784 31650
Stroppo CN 15 103 31753
Montemale di Cuneo CN 15 241 31994
Busca CN 15 10181 42175
Costigliole Saluzzo CN 15 3375 45550
Envie CN 15 2074 47624
Pradleves CN 15 250 47874
Oncino CN 16 76 47950
Verzuolo CN 16 6459 54409
Elva CN 16 97 54506
Manta CN 17 3787 58293
Monterosso Grana CN 17 505 58798
Ostana CN 17 83 58881
Castelmagno CN 18 66 58947
Valgrana CN 18 786 59733
Casteldelfino CN 18 157 59890
Saluzzo CN 19 16960 76850
Barge CN 19 7774 84624
Caraglio CN 19 6836 91460
Crissolo CN 19 168 91628
Marmora CN 19 68 91696
Villafalletto CN 20 2925 94621

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Cuneo (56081 inhabitants)
58 Km SW of Moncalieri (57294 inhabitants)
65 Km SW of Torino (890529 inhabitants)
81 Km W of Asti (76202 inhabitants)
91 Km NW of Sanremo (54807 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
Reviewed
Rev100
ML 0.2 2022-08-12
04:04:32
44.5582 7.2947 6 2022-08-12
04:10:54
Sala Sismica INGV-Roma 108433351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-12 04:04:32 ± 0.21
Latitude 44.5582 ± 0.0099
Longitude 7.2947 ± 0.0227
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108433351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1324
Semi-minor axis of confidence ellipse (meter) 1242
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) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.13760
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 108433351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-12 04:10:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.ENR.HHZ. 2022-08-12T04:04:44.69 0.6 undecidable manual S 165 0.3399 98 -0.72 45
GU.GBOS.HHE. 2022-08-12T04:04:43.21 0.1 undecidable manual P 129 0.5018 50 0.35 98
GU.STV.HHZ. 2022-08-12T04:04:43.77 0.6 undecidable manual S 176 0.3139 99 -0.63 47
GU.RRL.HHE. 2022-08-12T04:04:42.59 0.1 undecidable manual P 316 0.5099 50 -0.41 96
GU.BHB.HHZ. 2022-08-12T04:04:42.50 0.6 undecidable manual S 355 0.2779 100 -0.55 49
GU.ENR.HHZ. 2022-08-12T04:04:40.06 0.3 negative manual P 165 0.3399 98 0.25 78
GU.STV.HHZ. 2022-08-12T04:04:39.60 1.0 undecidable manual P 176 0.3139 99 0.37 25
GU.BHB.HHZ. 2022-08-12T04:04:38.88 0.6 undecidable manual P 355 0.2779 100 0.43 50
GU.PZZ.HHZ. 2022-08-12T04:04:37.61 0.6 undecidable manual S 248 0.1376 110 -0.2 54
GU.PZZ.HHZ. 2022-08-12T04:04:35.97 0.1 positive manual P 248 0.1376 110 0.55 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:0.5 0.0000367 0.14 AML other m 2022-08-12T04:04:38.07
GU.PZZ.HHE. ML:0.8 0.0000701 0.28 AML other m 2022-08-12T04:04:38.33
GU.BHB.HHE. ML:0.0 0.000004254925 0.08 AML other m 2022-08-12T04:04:44.37
GU.STV.HHE. ML:0.1 0.0000032562749000000005 0.1984 AML other m 2022-08-12T04:04:44.31
GU.STV.HHN. ML:0.1 0.0000033154664500000003 0.1216 AML other m 2022-08-12T04:04:43.00
GU.ENR.HHE. ML:0.1 0.000006481943000000001 0.08 AML other m 2022-08-12T04:04:45.60
GU.ENR.HHN. ML:0.1 0.0000062131655 0.0992 AML other m 2022-08-12T04:04:46.04
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