Earthquake with magnitude of ML 0.9 on date 15-08-2019 and time 07:49:43 (Italy) in region 2 km S San Damiano Macra (CN)

A magnitude ML 0.9 earthquake occured in region: 2 km S San Damiano Macra (CN), on

  • 15-08-2019 05:49:43 (UTC)
  • 15-08-2019 07:49:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.47, 7.26 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
San Damiano Macra CN 2 430 430
Cartignano CN 3 190 620
Pradleves CN 6 250 870
Celle di Macra CN 6 100 970
Roccabruna CN 7 1585 2555
Macra CN 7 59 2614
Castelmagno CN 8 66 2680
Dronero CN 9 7035 9715
Monterosso Grana CN 9 505 10220
Montemale di Cuneo CN 10 241 10461
Villar San Costanzo CN 10 1547 12008
Stroppo CN 11 103 12111
Valmala CN 11 52 12163
Frassino CN 12 265 12428
Melle CN 12 292 12720
Valgrana CN 12 786 13506
Marmora CN 13 68 13574
Sampeyre CN 13 1022 14596
Canosio CN 14 80 14676
Brossasco CN 14 1084 15760
Caraglio CN 15 6836 22596
Venasca CN 15 1437 24033
Elva CN 15 97 24130
Prazzo CN 16 170 24300
Rossana CN 16 908 25208
Isasca CN 17 76 25284
Bernezzo CN 17 4104 29388
Demonte CN 17 2003 31391
Valloriate CN 17 109 31500
Rittana CN 18 109 31609
Aisone CN 18 248 31857
Busca CN 18 10181 42038
Brondello CN 19 290 42328
Gaiola CN 19 582 42910
Vinadio CN 19 644 43554
Gambasca CN 19 371 43925
Cervasca CN 19 5013 48938
Piasco CN 20 2774 51712
Martiniana Po CN 20 734 52446
Moiola CN 20 234 52680

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Cuneo (56081 inhabitants)
68 Km SW of Moncalieri (57294 inhabitants)
75 Km SW of Torino (890529 inhabitants)
84 Km NW of Sanremo (54807 inhabitants)
89 Km SW of Asti (76202 inhabitants)
99 Km W of Savona (61345 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
Rev 1000 ML 0.9 2019-08-15
05:49:43
44.47 7.26 9 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73411241
Rev 100 ML 0.9 2019-08-15
05:49:42
44.49 7.3 4 2019-08-15
05:54:13
Sala Sismica INGV-Roma 71501431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-15 05:49:43 ± 0.19
Latitude 44.47 ± 0.02
Longitude 7.26 ± 0.03
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73411241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2958
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 2960
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 14
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) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.55848
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 73411241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-23 15:03:38

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 71501431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 05:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RRL.HHZ. 2019-08-15T05:50:02.01 0.6 undecidable manual S 324 0.5585 50 -0.48 43
FR.SAOF.HHZ.00 2019-08-15T05:50:01.31 0.6 undecidable manual S 156 0.5279 50 -0.27 45
GU.GBOS.HHZ. 2019-08-15T05:49:59.55 0.6 undecidable manual S 118 0.4757 50 -0.47 44
GU.BHB.HHZ. 2019-08-15T05:49:55.81 0.6 undecidable manual S 1 0.3651 50 -0.94 37
FR.SAOF.HHZ.00 2019-08-15T05:49:54.17 0.3 undecidable manual P 156 0.5279 50 0.41 66
GU.RRL.HHZ. 2019-08-15T05:49:54.73 0.3 undecidable manual P 324 0.5585 50 0.45 66
GU.GBOS.HHZ. 2019-08-15T05:49:53.39 0.1 undecidable manual P 118 0.4757 50 0.54 86
GU.ENR.HHZ. 2019-08-15T05:49:53.15 0.6 undecidable manual S 154 0.2698 50 -0.78 41
GU.BHB.HHZ. 2019-08-15T05:49:51.04 0.6 undecidable manual P 1 0.3651 50 0.07 49
GU.STV.HHZ. 2019-08-15T05:49:51.65 0.6 undecidable manual S 167 0.2293 110 -0.83 40
GU.ENR.HHZ. 2019-08-15T05:49:49.56 0.3 undecidable manual P 154 0.2698 50 0.22 73
GU.STV.HHZ. 2019-08-15T05:49:48.83 0.1 undecidable manual P 167 0.2293 110 0.33 95
GU.PZZ.HHZ. 2019-08-15T05:49:47.84 0.6 undecidable manual S 290 0.1061 128 -0.43 48
GU.PZZ.HHZ. 2019-08-15T05:49:46.29 0.1 positive manual P 290 0.1061 128 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.3 0.000233 0.44 AML other m 2019-08-15T05:49:48.09
GU.PZZ.HHE. ML:1.4 0.0002715 0.3 AML other m 2019-08-15T05:49:48.22
GU.STV.HHE. ML:0.4 1.55E-5 0.52 AML other m 2019-08-15T05:49:53.00
GU.STV.HHN. ML:0.4 1.392E-5 0.52 AML other m 2019-08-15T05:49:53.83
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download