Earthquake with magnitude of ML 1.5 on date 19-10-2021 and time 09:05:37 (Italy) in region 1 km W Villeneuve (AO)

A magnitude ML 1.5 earthquake occured in region: 1 km W Villeneuve (AO), on

  • 19-10-2021 07:05:37 (UTC)
  • 19-10-2021 09:05:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7070, 7.2000 at 9 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
Villeneuve AO 1 1289 1289
Introd AO 2 658 1947
Saint-Pierre AO 2 3165 5112
Arvier AO 2 873 5985
Saint-Nicolas AO 3 311 6296
Aymavilles AO 3 2086 8382
Avise AO 5 305 8687
Sarre AO 5 4927 13614
Jovençan AO 6 736 14350
Rhêmes-Saint-Georges AO 7 194 14544
Gressan AO 7 3387 17931
Charvensod AO 10 2468 20399
Aosta AO 10 34390 54789
La Salle AO 11 2087 56876
Gignod AO 11 1710 58586
Roisan AO 12 1036 59622
Pollein AO 13 1569 61191
Valsavarenche AO 13 161 61352
Etroubles AO 13 501 61853
Saint-Rhémy-en-Bosses AO 13 338 62191
Allein AO 13 229 62420
Saint-Christophe AO 13 3432 65852
Saint-Oyen AO 13 203 66055
Valgrisenche AO 13 196 66251
Morgex AO 14 2104 68355
Doues AO 15 510 68865
Brissogne AO 16 1008 69873
Cogne AO 16 1417 71290
Rhêmes-Notre-Dame AO 16 89 71379
Valpelline AO 17 657 72036
Quart AO 17 4039 76075
Pré-Saint-Didier AO 18 1050 77125
Ollomont AO 18 157 77282
Saint-Marcel AO 20 1362 78644
La Thuile AO 20 761 79405

Municipalities with at least 50000 inhabitants

An earthquake occurred to
80 Km NW of Torino (890529 inhabitants)
87 Km NW of Moncalieri (57294 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 1.5 2021-10-19
07:05:37
45.707 7.2005 9 2022-03-30
13:04:14
Bollettino Sismico Italiano INGV 97205351
Reviewed
Rev100
ML 1.4 2021-10-19
07:05:37
45.7077 7.2052 8 2021-10-19
07:17:45
Sala Sismica INGV-Roma 96754281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-19 07:05:37 ± 0.1
Latitude 45.7070 ± 0.0045
Longitude 7.2005 ± 0.0116
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97205351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 820
Semi-minor axis of confidence ellipse (meter) 529
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) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 1.04951
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 97205351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-03 15:54:30

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 96754281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-19 07:17:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.GIMEL.HHZ. 2021-10-19T07:05:57.70 0.3 undecidable manual P 322 116.4945 50 0.17 62
GU.RSP.HNZ. 2021-10-19T07:05:56.99 0.3 undecidable manual S 175 62.1933 50 -0.39 65
GU.RRL.HHE. 2021-10-19T07:05:54.14 0.6 undecidable manual P 200 92.8404 50 0.25 42
GU.TRAV.HHZ. 2021-10-19T07:05:53.37 0.3 undecidable manual S 117 47.5191 50 -0.1 71
CH.DIX.HHZ. 2021-10-19T07:05:52.49 0.3 undecidable manual S 21 44.4222 50 -0.14 71
MN.BNI.HHN. 2021-10-19T07:05:52.54 0.3 undecidable manual P 209 83.25 50 0.13 66
GU.RSP.HNZ. 2021-10-19T07:05:49.23 0.3 undecidable manual P 175 62.1933 50 0.07 70
GU.CIRO.HHZ. 2021-10-19T07:05:48.64 0.3 undecidable manual S 112 30.8469 50 -0.36 70
GU.TRAV.HHZ. 2021-10-19T07:05:47.27 0.3 undecidable manual P 117 47.5191 50 0.37 67
CH.DIX.HHZ. 2021-10-19T07:05:46.45 0.3 undecidable manual P 21 44.4222 50 0.03 73
GU.CIRO.HHZ. 2021-10-19T07:05:44.54 0.1 undecidable manual P 112 30.8469 50 0.22 96
GU.LSD.HHZ. 2021-10-19T07:05:43.81 0.3 undecidable manual P 191 27.9498 108 -0.02 75
IV.MRGE.HHZ. 2021-10-19T07:05:43.02 0.3 undecidable manual S 303 12.876 126 -0.42 71
IV.MRGE.HHZ. 2021-10-19T07:05:41.27 0.1 undecidable manual P 303 12.876 126 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:1.6 0.00040300000000000004 0.14 AML other m 2021-10-19T07:05:43.58
IV.MRGE.HHN. ML:1.6 0.0005005 0.94 AML other m 2021-10-19T07:05:43.78
GU.LSD.HHE. ML:1.5 0.000156 0.58 AML other m 2021-10-19T07:05:47.29
GU.LSD.HHN. ML:1.3 0.00009645000000000001 1.4 AML other m 2021-10-19T07:05:47.00
CH.DIX.HHE. ML:1.6 0.00011700000000000001 0.9 AML other m 2021-10-19T07:05:53.50
GU.TRAV.HHN. ML:1.2 0.00005185 0.16 AML other m 2021-10-19T07:05:53.78
CH.DIX.HHN. ML:1.6 0.00012309999999999998 0.4 AML other m 2021-10-19T07:05:53.90
GU.TRAV.HHE. ML:1.2 0.00004265 1.9 AML other m 2021-10-19T07:05:53.00
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