Earthquake with magnitude of ML 0.8 on date 07-12-2022 and time 10:36:44 (UTC) in region 1 km NW Marmora (CN)

A magnitude ML 0.8 earthquake occured in region: 1 km NW Marmora (CN), on

  • 07-12-2022 10:36:44 (UTC)
  • 07-12-2022 11:36:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4690, 7.0910 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Marmora CN 1 68 68
Canosio CN 2 80 148
Prazzo CN 3 170 318
Stroppo CN 5 103 421
Celle di Macra CN 7 100 521
Macra CN 8 59 580
Acceglio CN 8 162 742
Elva CN 8 97 839
Castelmagno CN 12 66 905
San Damiano Macra CN 13 430 1335
Argentera CN 14 83 1418
Bellino CN 14 109 1527
Casteldelfino CN 14 157 1684
Pietraporzio CN 15 77 1761
Sambuco CN 15 92 1853
Sampeyre CN 15 1022 2875
Cartignano CN 16 190 3065
Pradleves CN 16 250 3315
Pontechianale CN 18 179 3494
Frassino CN 19 265 3759
Vinadio CN 19 644 4403
Monterosso Grana CN 20 505 4908
Roccabruna CN 20 1585 6493

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Cuneo (56081 inhabitants)
76 Km SW of Moncalieri (57294 inhabitants)
82 Km SW of Torino (890529 inhabitants)
91 Km NW of Sanremo (54807 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
Bulletin
Rev1000
ML 0.8 2022-12-07
10:36:44
44.469 7.0912 10 2024-03-01
15:28:27
Bollettino Sismico Italiano INGV 118626501
Reviewed
Rev100
ML 0.8 2022-12-07
10:36:44
44.4518 7.0737 10 2022-12-07
11:05:07
Sala Sismica INGV-Roma 112588471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-07 10:36:44 ± 0.29
Latitude 44.4690 ± 0.0153
Longitude 7.0912 ± 0.0340
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118626501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3058
Semi-minor axis of confidence ellipse (meter) 806
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 3060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.68978
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 118626501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-22 00:58:01

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 112588471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-07 11:05:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2022-12-07T10:37:07.05 0.6 undecidable manual S 129 74.0703 50 0.24 43
GU.GBOS.HHZ. 2022-12-07T10:37:04.27 0.6 undecidable manual S 113 64.491 50 0 46
GU.RRL.HHE. 2022-12-07T10:37:01.34 0.6 undecidable manual S 335 55.5 50 -0.51 42
GU.MGRO.HHZ. 2022-12-07T10:36:58.12 0.3 undecidable manual P 129 74.0703 50 0.86 53
GU.RSP.HNN. 2022-12-07T10:36:58.19 0.3 undecidable manual P 10 76.5678 50 0.54 60
GU.BHB.HNZ. 2022-12-07T10:36:57.61 0.6 undecidable manual S 18 42.8238 50 -0.87 37
GU.GBOS.HHZ. 2022-12-07T10:36:56.36 0.3 undecidable manual P 113 64.491 50 0.56 61
GU.ENR.HHZ. 2022-12-07T10:36:56.16 0.6 undecidable manual S 136 37.1295 50 -0.8 39
GU.STV.HHZ. 2022-12-07T10:36:54.31 0.6 undecidable manual S 143 31.0467 50 -1.02 35
GU.RRL.HHE. 2022-12-07T10:36:54.43 0.3 undecidable manual P 335 55.5 50 0.03 70
GU.BHB.HNZ. 2022-12-07T10:36:52.93 0.3 undecidable manual P 18 42.8238 50 0.47 65
GU.ENR.HHZ. 2022-12-07T10:36:51.64 0.3 undecidable manual P 136 37.1295 50 0.06 72
GU.STV.HHZ. 2022-12-07T10:36:50.44 0.1 undecidable manual P 143 31.0467 50 -0.2 94
GU.PZZ.HHZ. 2022-12-07T10:36:47.41 0.3 undecidable manual S 25 4.5954 154 -0.47 70
GU.PZZ.HHZ. 2022-12-07T10:36:46.47 0.1 undecidable manual P 25 4.5954 154 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:0.6 0.000019699999999999998 1.42 AML other m 2022-12-07T10:36:55.00
GU.STV.HHE. ML:0.6 0.000021850000000000003 0.26 AML other m 2022-12-07T10:36:55.43
GU.ENR.HHE. ML:1.0 0.00003515 0.78 AML other m 2022-12-07T10:36:56.84
GU.ENR.HHN. ML:1.0 0.0000374 1.2 AML other m 2022-12-07T10:36:58.33
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