Earthquake with magnitude of ML 0.4 on date 25-01-2022 and time 22:50:56 (UTC) in region 3 km S Castelmagno (CN)

A magnitude ML 0.4 earthquake occured in region: 3 km S Castelmagno (CN), on

  • 25-01-2022 22:50:56 (UTC)
  • 25-01-2022 23:50:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3860, 7.2200 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
Castelmagno CN 3 66 66
Pradleves CN 6 250 316
Aisone CN 8 248 564
Monterosso Grana CN 9 505 1069
Vinadio CN 9 644 1713
Demonte CN 10 2003 3716
Celle di Macra CN 11 100 3816
Cartignano CN 12 190 4006
San Damiano Macra CN 12 430 4436
Sambuco CN 12 92 4528
Marmora CN 13 68 4596
Valgrana CN 13 786 5382
Macra CN 13 59 5441
Canosio CN 13 80 5521
Valloriate CN 13 109 5630
Montemale di Cuneo CN 14 241 5871
Roccabruna CN 14 1585 7456
Dronero CN 15 7035 14491
Rittana CN 15 109 14600
Stroppo CN 15 103 14703
Moiola CN 15 234 14937
Pietraporzio CN 16 77 15014
Gaiola CN 16 582 15596
Villar San Costanzo CN 17 1547 17143
Caraglio CN 17 6836 23979
Prazzo CN 17 170 24149
Bernezzo CN 17 4104 28253
Roccasparvera CN 18 741 28994
Valdieri CN 19 935 29929
Cervasca CN 20 5013 34942
Argentera CN 20 83 35025

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
77 Km NW of Sanremo (54807 inhabitants)
78 Km SW of Moncalieri (57294 inhabitants)
85 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 0.4 2022-01-25
22:50:56
44.3855 7.2195 8 2022-01-25
23:15:50
Sala Sismica INGV-Roma 100180871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-25 22:50:56 ± 0.13
Latitude 44.3855 ± 0.0090
Longitude 7.2195 ± 0.0176
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100180871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1588
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.14209
Epicentral distance of station farthest from the epicenter (degree) 0.95868
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:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 100180871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-25 23:15:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHE. 2022-01-25T22:51:28.71 0.3 undecidable manual S 80 106.4157 50 0.39 60
GU.CANO.HHE. 2022-01-25T22:51:21.72 0.3 undecidable manual S 103 83.1501 50 -0.41 62
GU.IMI.HHE. 2022-01-25T22:51:20.26 0.3 undecidable manual S 134 75.1692 50 0.27 65
GU.RORO.HHE. 2022-01-25T22:51:19.57 0.3 undecidable manual S 114 73.7706 50 -0.06 68
GU.RRL.HHE. 2022-01-25T22:51:17.95 0.3 undecidable manual S 330 68.376 50 -0.23 67
GU.MGRO.HHE. 2022-01-25T22:51:15.44 0.3 undecidable manual S 129 60.2952 50 -0.58 62
GU.PCP.HHE. 2022-01-25T22:51:14.89 0.6 undecidable manual P 80 106.4157 50 -0.09 42
GU.GBOS.HHZ. 2022-01-25T22:51:13.80 0.6 undecidable manual S 108 51.8037 50 0.06 47
GU.BHB.HHE. 2022-01-25T22:51:12.35 0.3 undecidable manual S 4 50.0166 50 -0.93 54
FR.SAOF.HHE.00 2022-01-25T22:51:12.87 0.3 undecidable manual S 149 51.6039 50 -0.84 56
GU.CANO.HHE. 2022-01-25T22:51:11.28 0.6 undecidable manual P 103 83.1501 50 -0.12 44
GU.IMI.HHE. 2022-01-25T22:51:10.48 0.1 undecidable manual P 134 75.1692 50 0.31 86
GU.RORO.HHE. 2022-01-25T22:51:10.69 0.1 undecidable manual P 114 73.7706 50 0.73 75
GU.RRL.HHE. 2022-01-25T22:51:09.31 0.1 undecidable manual P 330 68.376 50 0.19 89
GU.MGRO.HHE. 2022-01-25T22:51:08.10 0.1 undecidable manual P 129 60.2952 50 0.23 90
GU.GBOS.HHZ. 2022-01-25T22:51:07.16 0.1 undecidable manual P 108 51.8037 50 0.6 83
FR.SAOF.HHE.00 2022-01-25T22:51:06.71 0.1 undecidable manual P 149 51.6039 50 0.17 93
GU.BHB.HHE. 2022-01-25T22:51:06.27 0.1 undecidable manual P 4 50.0166 50 -0.02 96
GU.ENR.HHZ. 2022-01-25T22:51:04.87 0.3 undecidable manual S 138 23.4543 108 -0.44 69
GU.STV.HHZ. 2022-01-25T22:51:03.01 0.3 undecidable manual S 151 17.7711 114 -0.46 69
GU.PZZ.HHZ. 2022-01-25T22:51:02.55 0.3 undecidable manual S 329 15.7731 116 -0.29 72
GU.ENR.HHZ. 2022-01-25T22:51:01.65 0.1 undecidable manual P 138 23.4543 108 -0.04 100
GU.PZZ.HHZ. 2022-01-25T22:51:00.51 0.1 undecidable manual P 329 15.7731 116 0.24 97
GU.STV.HHZ. 2022-01-25T22:51:00.85 0.1 undecidable manual P 151 17.7711 114 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:0.8 0.00005715000000000001 1.82 AML other m 2022-01-25T22:51:02.92
GU.PZZ.HHE. ML:0.8 0.00006309999999999999 0.62 AML other m 2022-01-25T22:51:03.32
GU.STV.HHE. ML:0.2 0.000013676607999999999 0.1024 AML other m 2022-01-25T22:51:03.31
GU.STV.HHN. ML:0.1 0.000012213405 0.1024 AML other m 2022-01-25T22:51:03.23
GU.ENR.HHE. ML:0.5 0.000022459464999999998 0.0512 AML other m 2022-01-25T22:51:05.78
GU.ENR.HHN. ML:0.5 0.000020969025000000004 0.0512 AML other m 2022-01-25T22:51:05.18
GU.GBOS.HHE. ML:0.3 0.000004743921500000001 0.1408 AML other m 2022-01-25T22:51:14.34
GU.GBOS.HHN. ML:0.3 0.00000597746075 0.192 AML other m 2022-01-25T22:51:14.11
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