Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.9 on date 03-09-2020 and time 23:22:54 (Italy) in region 4 km SW Canosio (CN)

A magnitude Md 1.9 earthquake occured in region: 4 km SW Canosio (CN), on

  • 03-09-2020 21:22:54 (UTC)
  • 03-09-2020 23:22:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4280, 7.0460 at 11 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.

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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
Canosio CN 4 80 80
Marmora CN 5 68 148
Prazzo CN 6 170 318
Acceglio CN 7 162 480
Argentera CN 8 83 563
Pietraporzio CN 9 77 640
Sambuco CN 10 92 732
Stroppo CN 11 103 835
Celle di Macra CN 12 100 935
Elva CN 13 97 1032
Castelmagno CN 13 66 1098
Macra CN 13 59 1157
Vinadio CN 17 644 1801
Bellino CN 17 109 1910
San Damiano Macra CN 18 430 2340
Casteldelfino CN 18 157 2497
Pradleves CN 19 250 2747
Aisone CN 19 248 2995

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Cuneo (56081 inhabitants)
81 Km SW of Moncalieri (57294 inhabitants)
88 Km SW of Torino (890529 inhabitants)
90 Km NW of Sanremo (54807 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 		Md 1.9 2020-09-03
21:22:54		 44.4282 7.0462 11 2021-02-26
14:55:59		 Bollettino Sismico Italiano INGV 83804841
Reviewed
Rev100 		Md 1.8 2020-09-03
21:22:54		 44.4317 7.0497 11 2020-09-03
21:34:31		 Sala Sismica INGV-Roma 82598691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-03 21:22:54 ± 0.19
Latitude 44.4282 ± 0.0072
Longitude 7.0462 ± 0.0164
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83804841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1380
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.87954
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude Md
Reference to an origin 83804841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-10 12:02:23

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude Md
Reference to an origin 82598691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-03 21:34:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2020-09-03T21:23:23.49 0.6 undecidable manual S 104 97.6245 50 0.2 41
GU.RSP.HHZ. 2020-09-03T21:23:19.07 0.6 undecidable manual S 12 81.7515 50 0.03 44
GU.MGRO.HHZ. 2020-09-03T21:23:17.23 0.6 undecidable manual S 125 74.1702 50 0.21 43
GU.GBOS.HHZ. 2020-09-03T21:23:14.96 0.6 undecidable manual S 108 66.2781 50 0.04 45
FR.SAOF.HHE.00 2020-09-03T21:23:13.92 0.6 undecidable manual S 140 63.492 50 -0.25 44
GU.RRL.HHZ. 2020-09-03T21:23:12.78 0.6 undecidable manual S 340 58.1973 50 0.01 46
GU.CANO.HHZ. 2020-09-03T21:23:11.90 0.3 undecidable manual P 104 97.6245 50 0.69 54
GU.BHB.HHZ. 2020-09-03T21:23:09.73 0.6 undecidable manual S 21 48.3183 50 -0.4 44
GU.RSP.HHZ. 2020-09-03T21:23:09.01 0.3 undecidable manual P 12 81.7515 50 0.25 63
GU.MGRO.HHZ. 2020-09-03T21:23:07.98 0.3 undecidable manual P 125 74.1702 50 0.39 62
GU.GBOS.HHZ. 2020-09-03T21:23:06.67 0.3 undecidable manual P 108 66.2781 50 0.29 65
GU.ENR.HHZ. 2020-09-03T21:23:06.57 0.6 undecidable manual S 127 37.1295 50 -0.57 42
FR.SAOF.HHE.00 2020-09-03T21:23:06.09 0.1 undecidable manual P 140 63.492 50 0.15 89
GU.STV.HHZ. 2020-09-03T21:23:04.48 0.6 undecidable manual S 132 30.0477 50 -0.77 39
GU.RRL.HHZ. 2020-09-03T21:23:04.91 0.1 undecidable manual P 340 58.1973 50 -0.23 88
GU.BHB.HHZ. 2020-09-03T21:23:03.74 0.1 undecidable manual P 21 48.3183 50 0.13 92
GU.ENR.HHZ. 2020-09-03T21:23:01.83 0.1 undecidable manual P 127 37.1295 50 -0.06 95
GU.STV.HHZ. 2020-09-03T21:23:00.61 0.1 undecidable manual P 132 30.0477 50 -0.19 94
GU.PZZ.HHE. 2020-09-03T21:22:59.64 0.3 undecidable manual S 32 10.2786 136 -0.26 72
GU.PZZ.HHE. 2020-09-03T21:22:57.76 0.1 undecidable manual P 32 10.2786 136 0.05 100
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