Earthquake with magnitude of ML 2.0 on date 01-09-2020 and time 02:21:52 (Italy) in region 4 km NW San Damiano Macra (CN)

A magnitude ML 2.0 earthquake occured in region: 4 km NW San Damiano Macra (CN), on

  • 01-09-2020 00:21:52 (UTC)
  • 01-09-2020 02:21:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5200, 7.2280 at 12 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
San Damiano Macra CN 4 430 430
Macra CN 4 59 489
Celle di Macra CN 6 100 589
Cartignano CN 7 190 779
Frassino CN 7 265 1044
Sampeyre CN 7 1022 2066
Stroppo CN 8 103 2169
Melle CN 9 292 2461
Valmala CN 10 52 2513
Roccabruna CN 10 1585 4098
Elva CN 11 97 4195
Pradleves CN 12 250 4445
Brossasco CN 12 1084 5529
Castelmagno CN 12 66 5595
Dronero CN 12 7035 12630
Marmora CN 13 68 12698
Villar San Costanzo CN 13 1547 14245
Canosio CN 14 80 14325
Prazzo CN 14 170 14495
Venasca CN 14 1437 15932
Monterosso Grana CN 14 505 16437
Isasca CN 15 76 16513
Montemale di Cuneo CN 15 241 16754
Casteldelfino CN 15 157 16911
Gambasca CN 16 371 17282
Sanfront CN 16 2395 19677
Martiniana Po CN 16 734 20411
Rossana CN 17 908 21319
Brondello CN 17 290 21609
Valgrana CN 17 786 22395
Rifreddo CN 18 1078 23473
Oncino CN 18 76 23549
Bellino CN 18 109 23658
Paesana CN 19 2784 26442
Piasco CN 19 2774 29216
Acceglio CN 19 162 29378
Pagno CN 19 585 29963
Caraglio CN 20 6836 36799
Pontechianale CN 20 179 36978
Ostana CN 20 83 37061
Busca CN 20 10181 47242
Revello CN 20 4262 51504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Cuneo (56081 inhabitants)
65 Km SW of Moncalieri (57294 inhabitants)
71 Km SW of Torino (890529 inhabitants)
88 Km W of Asti (76202 inhabitants)
89 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
ML 2.0 2020-09-01
00:21:52
44.5195 7.2278 12 2021-02-26
14:55:55
Bollettino Sismico Italiano INGV 82896001
Reviewed
Rev100
ML 2.0 2020-09-01
00:21:52
44.5023 7.2158 12 2020-09-01
00:31:55
Sala Sismica INGV-Roma 82508801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 00:21:52 ± 0.08
Latitude 44.5195 ± 0.0045
Longitude 7.2278 ± 0.0063
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82896001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 48
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 1.25545
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 82896001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-14 09:03:18

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 82508801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-01 00:31:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2020-09-01T00:22:17.28 0.6 undecidable manual S 113 87.246 90 -0.55 41
GU.BURY.HHE. 2020-09-01T00:22:17.24 0.6 undecidable manual S 162 85.8474 90 -0.23 44
IV.IMI.HHZ. 2020-09-01T00:22:17.16 0.6 undecidable manual S 142 85.8474 90 -0.29 43
GU.RORO.HHZ. 2020-09-01T00:22:15.63 0.6 undecidable manual S 124 80.4639 91 -0.39 43
IV.MRGE.HHZ. 2020-09-01T00:22:14.73 0.6 undecidable manual P 355 139.3605 90 -0.25 39
GU.MGRO.HHZ. 2020-09-01T00:22:13.24 0.6 undecidable manual S 139 70.1742 91 -0.04 47
FR.SAOF.HHZ.00 2020-09-01T00:22:11.47 0.6 undecidable manual S 156 64.5909 91 -0.32 45
RD.ORIF.BHZ. 2020-09-01T00:22:11.90 0.3 undecidable manual P 293 115.0959 90 0.65 56
GU.LSD.HHZ. 2020-09-01T00:22:10.26 0.6 undecidable manual P 356 104.5176 90 0.63 38
GU.PCP.HHZ. 2020-09-01T00:22:10.00 0.1 positive manual P 88 104.2179 90 0.43 81
GU.ROTM.HHZ. 2020-09-01T00:22:09.09 0.6 undecidable manual P 67 95.9262 90 0.79 36
GU.GBOS.HHZ. 2020-09-01T00:22:09.48 0.6 undecidable manual S 122 57.498 91 -0.42 45
IT.ACQ.HGE. 2020-09-01T00:22:09.45 0.3 undecidable manual P 79 99.123 90 0.65 57
GU.RRL.HHZ. 2020-09-01T00:22:09.14 0.6 undecidable manual S 322 56.2992 91 -0.44 44
GU.CANO.HHZ. 2020-09-01T00:22:07.20 0.1 positive manual P 113 87.246 90 0.25 87
IV.QLNO.HHZ. 2020-09-01T00:22:07.94 0.1 undecidable manual P 103 91.1421 90 0.37 84
GU.BURY.HHE. 2020-09-01T00:22:06.78 0.6 undecidable manual P 162 85.8474 90 0.04 46
IV.IMI.HHZ. 2020-09-01T00:22:06.84 0.1 undecidable manual P 142 85.8474 90 0.1 91
GU.RORO.HHZ. 2020-09-01T00:22:05.97 0.1 negative manual P 124 80.4639 91 0.06 92
GU.MGRO.HHZ. 2020-09-01T00:22:04.41 0.1 undecidable manual P 139 70.1742 91 0.08 94
GU.BHB.HHZ. 2020-09-01T00:22:03.28 0.6 undecidable manual S 5 35.1426 92 -0.65 43
GU.ENR.HHZ. 2020-09-01T00:22:03.58 0.6 undecidable manual S 155 35.9418 92 -0.55 44
FR.SAOF.HHZ.00 2020-09-01T00:22:03.49 0.1 undecidable manual P 156 64.5909 91 0.02 96
GU.RSP.HHE. 2020-09-01T00:22:03.52 0.1 undecidable manual P 2 69.7746 91 -0.75 77
GU.STV.HHZ. 2020-09-01T00:22:02.29 0.1 undecidable manual S 166 31.3464 92 -0.64 65
GU.RRL.HHZ. 2020-09-01T00:22:02.27 0.1 positive manual P 322 56.2992 91 0.08 97
GU.GBOS.HHZ. 2020-09-01T00:22:02.50 0.1 positive manual P 122 57.498 91 0.13 95
GU.ENR.HHZ. 2020-09-01T00:21:59.12 0.1 negative manual P 155 35.9418 92 0.07 100
GU.STV.HHZ. 2020-09-01T00:21:58.48 0.1 undecidable manual P 166 31.3464 92 0.13 100
GU.BHB.HHZ. 2020-09-01T00:21:58.62 0.1 positive manual P 5 35.1426 92 -0.31 95
GU.PZZ.HHZ. 2020-09-01T00:21:56.96 0.6 undecidable manual S 261 8.9799 129 -0.18 51
GU.PZZ.HHZ. 2020-09-01T00:21:55.33 0.1 positive manual P 261 8.9799 129 0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:2.3 0.00025550000000000003 0.44 AML other m 2020-09-01T00:22:16.28
GU.RORO.HHN. ML:2.0 0.000124 0.6 AML other m 2020-09-01T00:22:16.95
GU.ROTM.HHE. ML:2.5 0.00034250000000000003 0.58 AML other m 2020-09-01T00:22:23.48
GU.ROTM.HHN. ML:2.5 0.00034549505000000004 0.56 AML other m 2020-09-01T00:22:28.94
GU.PZZ.HHE. ML:2.3 0.00253916 0.16 AML other m 2020-09-01T00:21:57.66
GU.PZZ.HHN. ML:2.4 0.0028404955000000003 0.12 AML other m 2020-09-01T00:21:57.45
GU.STV.HHN. ML:2.0 0.0004150067 0.18 AML other m 2020-09-01T00:22:03.09
GU.STV.HHE. ML:2.0 0.00047095195 0.08 AML other m 2020-09-01T00:22:03.16
GU.BHB.HHN. ML:1.7 0.00020098835 0.08 AML other m 2020-09-01T00:22:04.40
GU.BHB.HHE. ML:1.8 0.0002226749 0.1 AML other m 2020-09-01T00:22:04.70
GU.ENR.HHN. ML:2.3 0.0007921318499999999 0.1 AML other m 2020-09-01T00:22:04.08
GU.ENR.HHE. ML:2.4 0.0010791712 0.22 AML other m 2020-09-01T00:22:03.86
GU.RRL.HHN. ML:1.8 0.00015155255 0.16 AML other m 2020-09-01T00:22:09.88
GU.RRL.HHE. ML:1.8 0.00012823505499999998 0.14 AML other m 2020-09-01T00:22:09.99
GU.GBOS.HHE. ML:1.8 0.0001459882 0.12 AML other m 2020-09-01T00:22:09.82
GU.GBOS.HHN. ML:1.9 0.00016486075 0.16 AML other m 2020-09-01T00:22:09.98
FR.SAOF.HHE.00 ML:1.8 0.0001267334 0.26 AML other m 2020-09-01T00:22:11.98
FR.SAOF.HHN.00 ML:1.9 0.00014140325000000002 0.16 AML other m 2020-09-01T00:22:12.73
GU.MGRO.HHN. ML:1.9 0.00013891875 0.42 AML other m 2020-09-01T00:22:14.13
GU.MGRO.HHE. ML:1.8 0.0000941594 0.2 AML other m 2020-09-01T00:22:15.47
GU.MGRO.HNN. ML:1.9 0.00012230815 0.39 AML other m 2020-09-01T00:22:13.93
GU.MGRO.HNE. ML:1.7 0.00007589628 0.25 AML other m 2020-09-01T00:22:13.91
IV.IMI.HHN. ML:2.0 0.00013755280000000002 0.12 AML other m 2020-09-01T00:22:18.16
IV.IMI.HHE. ML:1.8 0.000084119285 0.16 AML other m 2020-09-01T00:22:19.36
GU.CANO.HHE. ML:2.4 0.00028201189999999996 0.34 AML other m 2020-09-01T00:22:18.92
GU.CANO.HHN. ML:2.3 0.00023064180000000002 0.32 AML other m 2020-09-01T00:22:18.93
GU.LSD.HHE. ML:1.8 0.000067247555 0.16 AML other m 2020-09-01T00:22:24.34
GU.LSD.HHN. ML:1.7 0.00004289805 0.14 AML other m 2020-09-01T00:22:26.46
RD.ORIF.BHN. ML:1.6 0.00003491825 0.52 AML other m 2020-09-01T00:22:27.69
RD.ORIF.BHE. ML:1.6 0.00003330369 0.44 AML other m 2020-09-01T00:22:30.33
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
Waveforms Seismic signals in miniseed + resp format Download