Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-09-2020 and time 05:56:34 (UTC) in region 5 km NW Pontechianale (CN)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Pontechianale (CN), on

  • 01-09-2020 05:56:34 (UTC)
  • 01-09-2020 07:56:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6460, 6.9810 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pontechianale CN 5 179 179
Bellino CN 8 109 288
Casteldelfino CN 9 157 445
Elva CN 15 97 542
Crissolo CN 15 168 710
Oncino CN 17 76 786
Ostana CN 17 83 869
Sampeyre CN 18 1022 1891
Acceglio CN 19 162 2053
Prazzo CN 19 170 2223
Stroppo CN 19 103 2326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Cuneo (56081 inhabitants)
68 Km SW of Moncalieri (57294 inhabitants)
73 Km SW 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 1.4 2020-09-01
05:56:34		 44.6457 6.981 11 2020-09-01
06:14:58		 Sala Sismica INGV-Roma 82519711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 05:56:34 ± 0.24
Latitude 44.6457 ± 0.0090
Longitude 6.9810 ± 0.0253
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 82519711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2050
Semi-minor axis of confidence ellipse (meter) 524
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 2050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
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) 0.99735
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 82519711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-01 06:14:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-09-01T05:58:33.87 3.0 undecidable manual Sn 7.64 0
IV.CMPR.HHZ. 2020-09-01T05:58:26.31 3.0 undecidable manual Pn 1.78 0
IV.IOCA.HHZ. 2020-09-01T05:58:26.76 3.0 positive manual Pg 17.440001 0
IV.SGTA.HHZ. 2020-09-01T05:58:22.15 3.0 undecidable manual Pn 3.54 0
IV.ROSPO.HHZ. 2020-09-01T05:58:09.48 3.0 undecidable manual Pn 2.12 0
IV.CELB.HHZ. 2020-09-01T05:57:57.35 3.0 undecidable manual Sn -2.7 0
IV.MNTT.EHZ. 2020-09-01T05:57:53.65 3.0 negative manual Pn 3.23 0
IV.SENA.HHZ. 2020-09-01T05:57:52.88 3.0 undecidable manual Pg 9.02 0
GU.GSCL.HHZ. 2020-09-01T05:57:50.79 3.0 undecidable manual Sn 0.82 0
IV.PE3.EHZ. 2020-09-01T05:57:41.96 3.0 positive manual Pn 4.73 0
IV.FIR.HHZ. 2020-09-01T05:57:28.61 3.0 undecidable manual Pn 3.56 0
GU.LSD.HHZ. 2020-09-01T05:57:01.55 0.6 undecidable manual S 8 91.0422 50 -0.18 43
GU.CANO.HHZ. 2020-09-01T05:56:54.03 0.3 undecidable manual P 116 110.7003 50 0.63 54
GU.ENR.HHZ. 2020-09-01T05:56:52.74 0.3 undecidable manual S 143 58.0974 50 -0.18 68
GU.STV.HHZ. 2020-09-01T05:56:51.07 0.3 undecidable manual S 148 52.1034 50 -0.26 68
GU.LSD.HHZ. 2020-09-01T05:56:51.42 0.1 undecidable manual P 8 91.0422 50 1.05 63
RD.ORIF.BHZ. 2020-09-01T05:56:50.38 3.0 negative manual P -0.21 0
GU.RRL.HHE. 2020-09-01T05:56:45.83 0.3 undecidable manual S 334 34.0437 50 -0.67 62
GU.ENR.HHZ. 2020-09-01T05:56:45.61 0.1 undecidable manual P 143 58.0974 50 0.34 88
GU.BHB.HHZ. 2020-09-01T05:56:45.06 0.3 undecidable manual S 47 30.6471 50 -0.53 66
GU.RSP.HHZ. 2020-09-01T05:56:45.81 0.1 undecidable manual P 22 60.0954 50 0.23 89
GU.STV.HHZ. 2020-09-01T05:56:44.52 0.1 undecidable manual P 148 52.1034 50 0.16 92
GU.PZZ.HHZ. 2020-09-01T05:56:41.80 0.3 undecidable manual S 145 18.7701 119 -0.48 68
GU.RRL.HHE. 2020-09-01T05:56:41.39 0.1 undecidable manual P 334 34.0437 50 -0.18 95
GU.BHB.HHZ. 2020-09-01T05:56:41.07 0.1 negative manual P 47 30.6471 50 0.03 98
GU.PZZ.HHZ. 2020-09-01T05:56:39.09 0.1 undecidable manual P 145 18.7701 119 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.8 0.00046199999999999995 1.78 AML other m 2020-09-01T05:56:41.07
GU.PZZ.HHE. ML:1.8 0.000456 0.7 AML other m 2020-09-01T05:56:42.30
GU.STV.HHN. ML:1.1 0.00002765 0.42 AML other m 2020-09-01T05:56:51.50
GU.STV.HHE. ML:1.1 0.0000323 0.84 AML other m 2020-09-01T05:56:52.65
GU.ENR.HHN. ML:1.4 0.000048899999999999996 0.4 AML other m 2020-09-01T05:56:53.28
GU.ENR.HHE. ML:1.3 0.00004615 0.32 AML other m 2020-09-01T05:56:53.35
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