Earthquake with magnitude of ML 0.9 on date 22-12-2022 and time 05:34:33 (UTC) in region 2 km NW Elva (CN)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Elva (CN), on

  • 22-12-2022 05:34:33 (UTC)
  • 22-12-2022 06:34:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5610, 7.0780 at 11 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
Elva CN 3 97 97
Casteldelfino CN 4 157 254
Bellino CN 5 109 363
Stroppo CN 7 103 466
Pontechianale CN 8 179 645
Prazzo CN 9 170 815
Sampeyre CN 9 1022 1837
Macra CN 11 59 1896
Marmora CN 12 68 1964
Acceglio CN 12 162 2126
Canosio CN 12 80 2206
Celle di Macra CN 12 100 2306
Oncino CN 16 76 2382
Frassino CN 16 265 2647
San Damiano Macra CN 16 430 3077
Crissolo CN 17 168 3245
Ostana CN 17 83 3328
Cartignano CN 19 190 3518
Melle CN 19 292 3810
Castelmagno CN 20 66 3876

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Cuneo (56081 inhabitants)
69 Km SW of Moncalieri (57294 inhabitants)
74 Km SW of Torino (890529 inhabitants)
97 Km W of Asti (76202 inhabitants)
100 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
Reviewed
Rev100
ML 0.9 2022-12-22
05:34:33
44.5612 7.0783 11 2022-12-22
05:45:01
Sala Sismica INGV-Roma 113011991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-22 05:34:33 ± 0.18
Latitude 44.5612 ± 0.0072
Longitude 7.0783 ± 0.0063
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113011991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 729
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63042
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 113011991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-22 05:45:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2022-12-22T05:35:03.84 3.0 undecidable manual P 0
GU.GBOS.HHE. 2022-12-22T05:34:55.52 0.6 undecidable manual S 120 69.9744 50 0.48 41
MN.BNI.HHE. 2022-12-22T05:34:52.26 0.6 undecidable manual S 330 62.8926 50 -0.88 35
GU.RRL.HHE. 2022-12-22T05:34:48.43 0.6 undecidable manual S 330 45.9207 50 -0.18 45
GU.ENR.HHZ. 2022-12-22T05:34:48.22 0.6 undecidable manual S 144 45.621 50 -0.31 44
GU.GBOS.HHE. 2022-12-22T05:34:46.83 0.3 undecidable manual P 120 69.9744 50 0.76 55
GU.STV.HHZ. 2022-12-22T05:34:46.29 0.6 undecidable manual S 151 40.2264 50 -0.79 38
GU.RSP.HHZ. 2022-12-22T05:34:46.39 0.6 undecidable manual P 13 66.7776 50 0.83 36
GU.BHB.HHZ. 2022-12-22T05:34:46.01 0.6 undecidable manual S 26 33.744 50 0.65 41
MN.BNI.HHE. 2022-12-22T05:34:44.65 0.6 undecidable manual P 330 62.8926 50 -0.32 43
GU.ENR.HHZ. 2022-12-22T05:34:42.23 1.0 undecidable manual P 144 45.621 50 -0.08 23
GU.STV.HHZ. 2022-12-22T05:34:41.18 0.1 undecidable manual P 151 40.2264 50 -0.29 90
GU.BHB.HHZ. 2022-12-22T05:34:41.02 0.3 undecidable manual P 26 33.744 50 0.54 64
GU.RRL.HHE. 2022-12-22T05:34:41.60 0.6 undecidable manual P 330 45.9207 50 -0.76 38
GU.PZZ.HHZ. 2022-12-22T05:34:38.16 0.3 undecidable manual S 154 6.7932 148 -0.05 75
GU.PZZ.HHZ. 2022-12-22T05:34:36.39 0.1 negative manual P 154 6.7932 148 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.1 0.000189 0.18 AML other m 2022-12-22T05:34:38.22
GU.PZZ.HHE. ML:0.9 0.000113646955 0.96 AML other m 2022-12-22T05:34:39.52
GU.BHB.HNN. ML:0.8 0.0000226421 0.5696 AML other m 2022-12-22T05:34:47.55
GU.ENR.HHE. ML:0.7 0.00001602727 0.4992 AML other m 2022-12-22T05:34:50.42
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