Earthquake with magnitude of ML 1.2 on date 20-01-2020 and time 19:38:17 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 20-01-2020 18:38:17 (UTC)
  • 20-01-2020 19:38:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.32, 7.1 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
Balme TO 9 115 115
Usseglio TO 13 209 324
Groscavallo TO 15 204 528
Ala di Stura TO 16 469 997
Ceresole Reale TO 16 156 1153
Moncenisio TO 16 36 1189
Novalesa TO 17 534 1723
Lemie TO 18 179 1902
Chialamberto TO 19 345 2247
Venaus TO 20 907 3154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Torino (890529 inhabitants)
58 Km NW of Moncalieri (57294 inhabitants)
98 Km W 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
Bulletin
Rev1000
ML 1.2 2020-01-20
18:38:17
45.32 7.1 9 2020-07-18
21:08:21
Bollettino Sismico Italiano INGV 76644661
Reviewed
Rev100
ML 1.8 2020-01-20
18:38:17
45.33 7.09 8 2020-01-20
18:44:57
Sala Sismica INGV-Roma 75684191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-20 18:38:17 ± 0.11
Latitude 45.32 ± 0.00
Longitude 7.10 ± 0.01
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 76644661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 936
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 940
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.1367
Epicentral distance of station farthest from the epicenter (degree) 0.95418
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 75684191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-20 18:44:57

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 76644661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-19 12:48:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.BLANC.HHZ. 2020-01-20T18:38:35.32 0.6 undecidable manual S 347 0.5333 50 -0.48 44
RD.ORIF.BHE. 2020-01-20T18:38:35.31 1.0 undecidable manual P 245 0.9542 50 0.23 21
GU.BHB.HHZ. 2020-01-20T18:38:34.41 0.6 undecidable manual S 167 0.5009 50 -0.43 45
GU.PZZ.HHZ. 2020-01-20T18:38:33.19 0.3 undecidable manual P 179 0.8166 50 0.46 63
GU.TRAV.HHZ. 2020-01-20T18:38:33.92 0.6 undecidable manual S 67 0.4883 50 -0.54 44
GU.RRL.HHZ. 2020-01-20T18:38:33.19 0.6 undecidable manual S 209 0.4596 50 -0.42 45
IV.MRGE.HHZ. 2020-01-20T18:38:33.07 0.3 undecidable manual S 356 0.447 50 -0.15 72
GU.SATI.HHZ. 2020-01-20T18:38:32.07 0.6 undecidable manual P 44 0.7671 50 0.18 45
GU.BLANC.HHZ. 2020-01-20T18:38:28.62 0.6 undecidable manual P 347 0.5333 50 0.73 40
GU.BHB.HHZ. 2020-01-20T18:38:27.63 0.1 undecidable manual P 167 0.5009 50 0.3 92
GU.TRAV.HHZ. 2020-01-20T18:38:27.32 0.3 undecidable manual P 67 0.4883 50 0.2 71
GU.RRL.HHZ. 2020-01-20T18:38:26.43 0.6 undecidable manual P 209 0.4596 50 -0.19 48
IV.MRGE.HHZ. 2020-01-20T18:38:26.52 0.1 negative manual P 356 0.447 50 0.12 97
GU.CIRO.HHZ. 2020-01-20T18:38:26.33 0.3 undecidable manual P 49 0.4272 50 0.26 71
GU.RSP.HHZ. 2020-01-20T18:38:25.46 0.3 undecidable manual S 147 0.2086 111 -0.27 74
MN.BNI.HHZ. 2020-01-20T18:38:25.48 0.3 negative manual P 228 0.4056 50 -0.22 72
GU.LSD.HHZ. 2020-01-20T18:38:22.70 0.3 undecidable manual S 9 0.1367 121 -0.53 70
GU.RSP.HHZ. 2020-01-20T18:38:22.19 0.3 undecidable manual P 147 0.2086 111 0.11 76
GU.LSD.HHZ. 2020-01-20T18:38:20.90 0.1 negative manual P 9 0.1367 121 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNN. ML:1.2 0.000109465975 0.192 AML other m 2020-01-20T18:38:26.01
GU.RSP.HNE. ML:1.6 0.00023933445 0.1024 AML other m 2020-01-20T18:38:25.57
GU.RSP.HHN. ML:1.2 0.000101541615 0.1792 AML other m 2020-01-20T18:38:26.01
GU.RSP.HHE. ML:1.6 0.00026830665 0.1024 AML other m 2020-01-20T18:38:25.57
IV.MRGE.HHN. ML:1.2 4.543948E-5 0.0768 AML other m 2020-01-20T18:38:33.16
IV.MRGE.HHE. ML:0.8 1.27605925E-5 0.1024 AML other m 2020-01-20T18:38:33.29
GU.RRL.HHE. ML:1.2 3.8942955E-5 0.2432 AML other m 2020-01-20T18:38:33.52
MN.BNI.HNN. ML:0.8 2.04286575E-5 0.2048 AML other m 2020-01-20T18:38:32.97
MN.BNI.HNE. ML:0.9 2.73937835E-5 2.0352 AML other m 2020-01-20T18:38:30.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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