Earthquake with magnitude of ML 1.1 on date 01-09-2020 and time 16:17:28 (Italy) in region 4 km NW Pontechianale (CN)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Pontechianale (CN), on

  • 01-09-2020 14:17:28 (UTC)
  • 01-09-2020 16:17:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6510, 6.9910 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
Pontechianale CN 4 179 179
Bellino CN 8 109 288
Casteldelfino CN 9 157 445
Crissolo CN 14 168 613
Elva CN 15 97 710
Oncino CN 16 76 786
Ostana CN 16 83 869
Sampeyre CN 18 1022 1891
Prazzo CN 19 170 2061
Stroppo CN 19 103 2164
Acceglio CN 19 162 2326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Cuneo (56081 inhabitants)
67 Km SW of Moncalieri (57294 inhabitants)
72 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 1.1 2020-09-01
14:17:28
44.6512 6.9908 11 2020-09-01
14:23:01
Sala Sismica INGV-Roma 82533871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 14:17:28 ± 0.22
Latitude 44.6512 ± 0.0081
Longitude 6.9908 ± 0.0202
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 82533871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1684
Semi-minor axis of confidence ellipse (meter) 457
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53330
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 82533871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-01 14:23:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2020-09-01T14:17:58.37 3.0 positive manual P 4.59 0
GU.LSD.HHZ. 2020-09-01T14:17:54.98 0.1 undecidable manual S 100
GU.ENR.HHZ. 2020-09-01T14:17:46.34 0.3 undecidable manual S 144 58.0974 50 -0.03 72
RD.ORIF.BHZ. 2020-09-01T14:17:44.48 3.0 positive manual P -0.16 0
GU.STV.HHZ. 2020-09-01T14:17:44.65 0.3 undecidable manual S 149 52.2033 50 -0.16 71
GU.ENR.HHZ. 2020-09-01T14:17:39.20 0.6 undecidable manual P 144 58.0974 50 0.45 44
GU.RRL.HHZ. 2020-09-01T14:17:39.41 0.3 undecidable manual S 332 33.8439 50 -0.48 68
GU.RSP.HHZ. 2020-09-01T14:17:39.49 0.3 positive manual P 21 59.1963 50 0.56 63
GU.STV.HHZ. 2020-09-01T14:17:38.18 0.6 positive manual P 149 52.2033 50 0.33 45
GU.BHB.HHZ. 2020-09-01T14:17:38.30 0.3 undecidable manual S 46 29.6481 50 -0.47 69
GU.RRL.HHZ. 2020-09-01T14:17:35.04 0.1 positive manual P 332 33.8439 50 0.03 100
GU.PZZ.HHZ. 2020-09-01T14:17:35.49 0.3 undecidable manual S 148 18.7701 120 -0.37 72
GU.BHB.HHZ. 2020-09-01T14:17:34.68 0.1 negative manual P 46 29.6481 50 0.31 95
GU.PZZ.HHZ. 2020-09-01T14:17:32.73 0.6 positive manual P 148 18.7701 120 0.05 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.7 0.00040449999999999997 0.24 AML other m 2020-09-01T14:17:35.68
GU.PZZ.HHE. ML:1.7 0.0003835 1.28 AML other m 2020-09-01T14:17:35.90
GU.BHB.HHN. ML:0.8 0.0000313 1.02 AML other m 2020-09-01T14:17:38.45
GU.BHB.HHE. ML:0.9 0.000037 0.86 AML other m 2020-09-01T14:17:39.58
GU.RRL.HHE. ML:0.9 0.000033799999999999995 1.74 AML other m 2020-09-01T14:17:39.96
GU.RRL.HHN. ML:1.0 0.00004505 0.66 AML other m 2020-09-01T14:17:40.37
GU.STV.HHN. ML:1.0 0.00002355 1.58 AML other m 2020-09-01T14:17:45.10
GU.STV.HHE. ML:1.0 0.000024349999999999996 1.16 AML other m 2020-09-01T14:17:45.25
GU.ENR.HHN. ML:1.2 0.0000374 1.06 AML other m 2020-09-01T14:17:46.16
GU.ENR.HHE. ML:1.2 0.0000356 1.2 AML other m 2020-09-01T14:17:46.96
GU.LSD.HHE. ML:1.2 0.0000201 0.16 AML other m 2020-09-01T14:17:56.20
GU.LSD.HHN. ML:0.9 0.00001102 0.42 AML other m 2020-09-01T14:17:57.14
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