Earthquake with magnitude of ML 0.9 on date 17-11-2020 and time 01:04:21 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 17-11-2020 00:04:21 (UTC)
  • 17-11-2020 01:04:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9610, 7.5060 at 3 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
Bionaz AO 12 236 236
Valtournenche AO 13 2277 2513
Oyace AO 15 219 2732
Chamois AO 16 97 2829
Torgnon AO 18 558 3387
Antey-Saint-André AO 19 602 3989
La Magdeleine AO 19 109 4098
Ollomont AO 19 157 4255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
100 Km N of Torino (890529 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 2020-11-17
00:04:21
45.961 7.5058 3 2020-11-17
00:11:56
Sala Sismica INGV-Roma 84784561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-17 00:04:21 ± 0.14
Latitude 45.9610 ± 0.0081
Longitude 7.5058 ± 0.0103
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84784561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 837
Semi-minor axis of confidence ellipse (meter) 422
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.56387
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:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 84784561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-17 00:11:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2020-11-17T00:04:35.27 0.6 undecidable manual S 173 40.1265 94 -0.31 62
IV.MRGE.HHZ. 2020-11-17T00:04:34.83 0.6 undecidable manual S 238 40.4262 94 -0.84 52
CH.MMK.HHZ. 2020-11-17T00:04:33.29 0.6 undecidable manual S 74 36.6411 95 -1.1 47
GU.LSD.HHZ. 2020-11-17T00:04:33.81 0.3 undecidable manual P 207 62.5929 50 0.07 95
GU.TRAV.HHZ. 2020-11-17T00:04:32.12 0.3 undecidable manual P 159 53.1024 50 -0.16 94
GU.SATI.HHZ. 2020-11-17T00:04:31.95 0.6 undecidable manual S 109 29.5482 96 0.02 68
GU.BLANC.HHE. 2020-11-17T00:04:31.15 0.6 undecidable manual P 254 46.0206 94 0.29 62
GU.CIRO.HHZ. 2020-11-17T00:04:29.96 0.3 undecidable manual P 173 40.1265 94 0.28 94
IV.MRGE.HHZ. 2020-11-17T00:04:29.84 0.3 undecidable manual P 238 40.4262 94 0.1 98
CH.MMK.HHZ. 2020-11-17T00:04:28.97 0.3 undecidable manual P 74 36.6411 95 -0.02 100
GU.SATI.HHZ. 2020-11-17T00:04:28.24 0.3 undecidable manual P 109 29.5482 96 0.67 86
CH.DIX.HHZ. 2020-11-17T00:04:26.75 0.6 undecidable manual S 330 15.1737 101 -0.25 66
CH.DIX.HHZ. 2020-11-17T00:04:25.02 0.3 undecidable manual P 330 15.1737 101 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.SATI.HHE. ML:0.9 0.000047266575000000004 0.14 AML other m 2020-11-17T00:04:32.48
GU.SATI.HHN. ML:1.3 0.000098717525 0.12 AML other m 2020-11-17T00:04:32.07
IV.MRGE.HHE. ML:0.8 0.000024696153 0.1 AML other m 2020-11-17T00:04:35.23
IV.MRGE.HHN. ML:0.9 0.000031683994999999996 0.08 AML other m 2020-11-17T00:04:34.99
GU.CIRO.HHE. ML:0.8 0.000024585305 0.24 AML other m 2020-11-17T00:04:35.53
GU.CIRO.HHN. ML:0.4 0.000011428677 0.16 AML other m 2020-11-17T00:04:36.23
GU.TRAV.HHE. ML:1.1 0.000029468534999999997 0.14 AML other m 2020-11-17T00:04:39.65
GU.TRAV.HHN. ML:0.9 0.00002039525 0.24 AML other m 2020-11-17T00:04:39.06
GU.LSD.HHE. ML:0.9 0.000016662745 0.34 AML other m 2020-11-17T00:04:46.06
GU.LSD.HHN. ML:1.0 0.000019646129999999997 0.14 AML other m 2020-11-17T00:04:41.96
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