Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 05-12-2019 and time 00:48:53 (Italy) in region 2 km SW Valloriate (CN)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Valloriate (CN), on

  • 04-12-2019 23:48:53 (UTC)
  • 05-12-2019 00:48:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3300, 7.3540 at 10 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
Valloriate CN 2 109 109
Moiola CN 3 234 343
Gaiola CN 4 582 925
Rittana CN 5 109 1034
Demonte CN 5 2003 3037
Valdieri CN 7 935 3972
Roccasparvera CN 7 741 4713
Valgrana CN 9 786 5499
Monterosso Grana CN 9 505 6004
Bernezzo CN 9 4104 10108
Vignolo CN 10 2600 12708
Roccavione CN 10 2761 15469
Roaschia CN 11 107 15576
Entracque CN 11 774 16350
Aisone CN 11 248 16598
Borgo San Dalmazzo CN 11 12468 29066
Cervasca CN 11 5013 34079
Pradleves CN 11 250 34329
Caraglio CN 12 6836 41165
Montemale di Cuneo CN 12 241 41406
Robilante CN 13 2306 43712
Castelmagno CN 14 66 43778
Vinadio CN 14 644 44422
Dronero CN 15 7035 51457
Boves CN 16 9835 61292
Roccabruna CN 16 1585 62877
Vernante CN 17 1178 64055
Cartignano CN 17 190 64245
Villar San Costanzo CN 17 1547 65792
Cuneo CN 17 56081 121873
San Damiano Macra CN 19 430 122303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Cuneo (56081 inhabitants)
66 Km NW of Sanremo (54807 inhabitants)
79 Km SW of Moncalieri (57294 inhabitants)
87 Km SW of Torino (890529 inhabitants)
90 Km W of Savona (61345 inhabitants)
93 Km SW of Asti (76202 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 1.5 2019-12-04
23:48:53		 44.3302 7.3542 10 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74513971
Reviewed
Rev100 		ML 1.5 2019-12-04
23:48:53		 44.3312 7.3532 9 2019-12-05
00:02:59		 Sala Sismica INGV-Roma 74324251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-04 23:48:53 ± 0.17
Latitude 44.3302 ± 0.0135
Longitude 7.3542 ± 0.0214
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74513971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2066
Semi-minor axis of confidence ellipse (meter) 898
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 2070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 1.20239
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 74513971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-11 09:49:39

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 74324251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-05 00:02:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHZ. 2019-12-04T23:49:17.82 1.0 undecidable manual P 300 133.4664 50 2.03 8
IV.MONC.HHN. 2019-12-04T23:49:11.59 0.3 undecidable manual P 29 94.0392 50 1.87 28
GU.BHB.HHZ. 2019-12-04T23:49:10.41 0.6 undecidable manual S 353 56.499 50 -1.05 33
GU.RRL.HHE. 2019-12-04T23:49:08.07 0.3 undecidable manual P 326 79.1652 50 0.64 57
GU.RSP.HNN. 2019-12-04T23:49:08.77 0.3 undecidable manual P 356 91.0422 50 -0.48 59
IV.QLNO.HHE. 2019-12-04T23:49:07.68 1.0 undecidable manual P 90 78.6657 50 0.32 21
FR.SAOF.HHZ.00 2019-12-04T23:49:07.08 0.6 undecidable manual S 157 41.3253 50 -0.34 45
GU.CANO.HHE. 2019-12-04T23:49:06.48 0.6 undecidable manual P 101 71.4729 50 0.23 43
IV.IMI.HHZ. 2019-12-04T23:49:05.42 0.3 undecidable manual P 137 63.2922 50 0.43 63
GU.GBOS.HHZ. 2019-12-04T23:49:05.88 0.6 undecidable manual S 104 39.8268 50 -1.13 33
GU.RORO.HHE. 2019-12-04T23:49:04.79 0.3 undecidable manual P 113 61.5939 50 0.07 68
GU.PZZ.HHZ. 2019-12-04T23:49:03.00 0.3 undecidable manual S 316 27.1506 50 -0.65 63
GU.BHB.HHZ. 2019-12-04T23:49:03.92 0.1 undecidable manual P 353 56.499 50 -0.01 93
GU.GBOS.HHZ. 2019-12-04T23:49:01.32 0.3 undecidable manual P 104 39.8268 50 -0.04 72
FR.SAOF.HHZ.00 2019-12-04T23:49:01.94 0.1 undecidable manual P 157 41.3253 50 0.34 90
GU.PZZ.HHZ. 2019-12-04T23:48:59.44 0.1 undecidable manual P 316 27.1506 50 0.02 98
GU.ENR.HHZ. 2019-12-04T23:48:58.60 0.3 undecidable manual S 155 12.6762 128 -0.6 66
GU.STV.HHZ. 2019-12-04T23:48:58.10 0.3 undecidable manual S 193 9.6792 135 -0.32 71
GU.STV.HHZ. 2019-12-04T23:48:56.74 0.1 undecidable manual P 193 9.6792 135 0.34 95
GU.ENR.HHZ. 2019-12-04T23:48:56.91 0.1 undecidable manual P 155 12.6762 128 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:1.3 0.00027089810000000003 0.1408 AML other m 2019-12-04T23:48:58.23
GU.STV.HHN. ML:1.0 0.0001255 0.66 AML other m 2019-12-04T23:48:58.25
GU.ENR.HHN. ML:2.0 0.001007 0.06 AML other m 2019-12-04T23:48:58.85
GU.ENR.HHE. ML:1.9 0.000933 0.06 AML other m 2019-12-04T23:48:59.22
GU.PZZ.HHE. ML:1.4 0.00012459029499999998 0.1152 AML other m 2019-12-04T23:49:03.99
GU.PZZ.HHN. ML:1.7 0.0002505 0.2 AML other m 2019-12-04T23:49:04.54
GU.GBOS.HHE. ML:1.4 0.00008355 0.14 AML other m 2019-12-04T23:49:06.32
FR.SAOF.HHE.00 ML:1.2 0.00005340695500000001 0.7904 AML other m 2019-12-04T23:49:07.61
GU.GBOS.HHN. ML:1.3 0.00007535 0.42 AML other m 2019-12-04T23:49:07.48
FR.SAOF.HHN.00 ML:1.2 0.000048211765 0.5664 AML other m 2019-12-04T23:49:08.62
IV.IMI.HHE. ML:1.7 0.000104822835 1.5808 AML other m 2019-12-04T23:49:13.93
IV.IMI.HHN. ML:1.7 0.00008919776 0.3936 AML other m 2019-12-04T23:49:14.17
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