Earthquake with magnitude of ML 1.0 on date 27-10-2022 and time 12:37:26 (UTC) in region 2 km E Frassino (CN)

A magnitude ML 1.0 earthquake occured in region: 2 km E Frassino (CN), on

  • 27-10-2022 12:37:26 (UTC)
  • 27-10-2022 14:37:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5680, 7.2980 at 8 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 5 52 609
Brossasco CN 5 1084 1693
Isasca CN 7 76 1769
Venasca CN 8 1437 3206
Gambasca CN 8 371 3577
Martiniana Po CN 9 734 4311
Sampeyre CN 9 1022 5333
Sanfront CN 9 2395 7728
Brondello CN 9 290 8018
San Damiano Macra CN 9 430 8448
Cartignano CN 10 190 8638
Rifreddo CN 10 1078 9716
Roccabruna CN 11 1585 11301
Rossana CN 11 908 12209
Villar San Costanzo CN 11 1547 13756
Pagno CN 12 585 14341
Macra CN 12 59 14400
Revello CN 12 4262 18662
Dronero CN 12 7035 25697
Castellar CN 13 295 25992
Piasco CN 13 2774 28766
Celle di Macra CN 13 100 28866
Paesana CN 13 2784 31650
Envie CN 14 2074 33724
Oncino CN 15 76 33800
Costigliole Saluzzo CN 15 3375 37175
Verzuolo CN 15 6459 43634
Busca CN 15 10181 53815
Stroppo CN 15 103 53918
Montemale di Cuneo CN 16 241 54159
Manta CN 16 3787 57946
Ostana CN 16 83 58029
Pradleves CN 17 250 58279
Elva CN 17 97 58376
Monterosso Grana CN 18 505 58881
Barge CN 18 7774 66655
Saluzzo CN 18 16960 83615
Casteldelfino CN 18 157 83772
Crissolo CN 18 168 83940
Valgrana CN 19 786 84726
Castelmagno CN 19 66 84792
Villafalletto CN 19 2925 87717
Caraglio CN 20 6836 94553

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Cuneo (56081 inhabitants)
57 Km SW of Moncalieri (57294 inhabitants)
64 Km SW of Torino (890529 inhabitants)
81 Km W of Asti (76202 inhabitants)
92 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 1.0 2022-10-27
12:37:26
44.5678 7.2982 8 2022-10-27
12:46:17
Sala Sismica INGV-Roma 111228471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-27 12:37:26 ± 0.19
Latitude 44.5678 ± 0.0090
Longitude 7.2982 ± 0.0227
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 111228471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1650
Semi-minor axis of confidence ellipse (meter) 929
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 1650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
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) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.76083
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 111228471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-27 12:46:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-10-27T12:37:43.92 0.6 undecidable manual S 130 56.1993 50 -0.35 45
GU.CANO.HHZ. 2022-10-27T12:37:41.60 0.3 undecidable manual P 118 84.4488 50 0.67 58
GU.RORO.HHE. 2022-10-27T12:37:40.72 0.3 undecidable manual P 129 79.1652 50 0.61 60
GU.ENR.HHZ. 2022-10-27T12:37:38.85 0.3 undecidable manual S 166 38.7279 50 -0.77 61
GU.GBOS.HHZ. 2022-10-27T12:37:37.11 0.3 undecidable manual P 130 56.1993 50 0.55 65
GU.STV.HHZ. 2022-10-27T12:37:37.85 0.3 undecidable manual S 176 35.8419 102 -0.89 58
GU.RRL.HHZ. 2022-10-27T12:37:36.36 0.1 undecidable manual P 315 55.9995 50 -0.18 94
GU.BHB.HHZ. 2022-10-27T12:37:35.86 0.3 undecidable manual S 355 29.8479 104 -0.84 60
GU.ENR.HHZ. 2022-10-27T12:37:33.85 0.1 undecidable manual P 166 38.7279 50 -0.03 100
GU.STV.HHZ. 2022-10-27T12:37:33.44 0.1 undecidable manual P 176 35.8419 102 0.07 99
GU.PZZ.HHZ. 2022-10-27T12:37:32.21 0.3 undecidable manual S 245 15.9729 115 0.08 77
GU.BHB.HHZ. 2022-10-27T12:37:32.29 0.1 undecidable manual P 355 29.8479 104 0.1 100
GU.PZZ.HHZ. 2022-10-27T12:37:30.08 0.1 undecidable manual P 245 15.9729 115 0.52 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.6 0.00039 0.26 AML other m 2022-10-27T12:37:32.79
GU.PZZ.HHN. ML:1.2 0.0001656542 0.16 AML other m 2022-10-27T12:37:33.03
GU.BHB.HHE. ML:0.0 0.000039589474999999996 0.2624 AML other m 2022-10-27T12:37:35.96
GU.BHB.HHN. ML:0.0 0.00004150236 0.1216 AML other m 2022-10-27T12:37:37.43
GU.ENR.HHE. ML:1.1 0.000050374395 0.1344 AML other m 2022-10-27T12:37:39.91
GU.ENR.HHN. ML:1.0 0.00004035 0.14 AML other m 2022-10-27T12:37:39.93
GU.STV.HHE. ML:0.9 0.000030927675000000004 0.2432 AML other m 2022-10-27T12:37:37.83
GU.STV.HHN. ML:0.7 0.000018239650000000004 0.16 AML other m 2022-10-27T12:37:38.96
GU.GBOS.HHN. ML:0.3 0.000007383148 0.1216 AML other m 2022-10-27T12:37:44.93
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