Earthquake with magnitude of ML 1.6 on date 07-12-2019 and time 07:23:46 (Italy) in region 4 km NE Macra (CN)

A magnitude ML 1.6 earthquake occured in region: 4 km NE Macra (CN), on

  • 07-12-2019 06:23:46 (UTC)
  • 07-12-2019 07:23:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5280, 7.2200 at 13 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
Macra CN 4 59 59
San Damiano Macra CN 5 430 489
Celle di Macra CN 6 100 589
Sampeyre CN 6 1022 1611
Frassino CN 7 265 1876
Stroppo CN 8 103 1979
Cartignano CN 8 190 2169
Melle CN 9 292 2461
Valmala CN 10 52 2513
Elva CN 10 97 2610
Roccabruna CN 11 1585 4195
Brossasco CN 12 1084 5279
Marmora CN 13 68 5347
Pradleves CN 13 250 5597
Castelmagno CN 13 66 5663
Dronero CN 13 7035 12698
Canosio CN 14 80 12778
Villar San Costanzo CN 14 1547 14325
Prazzo CN 14 170 14495
Casteldelfino CN 14 157 14652
Isasca CN 15 76 14728
Venasca CN 15 1437 16165
Gambasca CN 15 371 16536
Sanfront CN 16 2395 18931
Monterosso Grana CN 16 505 19436
Montemale di Cuneo CN 16 241 19677
Martiniana Po CN 16 734 20411
Oncino CN 17 76 20487
Brondello CN 17 290 20777
Rossana CN 17 908 21685
Bellino CN 17 109 21794
Rifreddo CN 17 1078 22872
Paesana CN 18 2784 25656
Valgrana CN 18 786 26442
Pontechianale CN 18 179 26621
Ostana CN 19 83 26704
Acceglio CN 19 162 26866
Pagno CN 19 585 27451
Piasco CN 20 2774 30225
Revello CN 20 4262 34487
Crissolo CN 20 168 34655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Cuneo (56081 inhabitants)
64 Km SW of Moncalieri (57294 inhabitants)
71 Km SW of Torino (890529 inhabitants)
88 Km W of Asti (76202 inhabitants)
91 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 1.6 2019-12-07
06:23:46
44.5277 7.22 13 2020-02-28
16:42:13
Bollettino Sismico Italiano INGV 74592011
Reviewed
Rev100
ML 1.6 2019-12-07
06:23:46
44.5407 7.272 6 2019-12-07
06:34:33
Sala Sismica INGV-Roma 74396741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-07 06:23:46 ± 0.09
Latitude 44.5277 ± 0.0054
Longitude 7.2200 ± 0.0126
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74592011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 814
Semi-minor axis of confidence ellipse (meter) 660
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) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.02882
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 74396741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-07 06:34:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 74592011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-13 10:12:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2019-12-07T06:25:43.97 3.0 undecidable manual Sn 3.09 0
SI.KOSI.HHZ. 2019-12-07T06:25:30.17 3.0 undecidable manual Sn 8.07 0
IV.FIR.HHZ. 2019-12-07T06:25:21.15 3.0 undecidable manual Sg 11.39 0
IV.RCAV.EHZ. 2019-12-07T06:25:09.13 3.0 undecidable manual Pn 8.71 0
SI.KOSI.HHZ. 2019-12-07T06:24:50.94 3.0 negative manual Pg 10.69 0
IV.APEC.HHZ. 2019-12-07T06:24:46.85 3.0 positive manual Pn 1.55 0
IV.IMI.HHZ. 2019-12-07T06:24:12.56 0.3 undecidable manual S 142 86.9463 91 0.07 68
GU.RORO.HHZ. 2019-12-07T06:24:11.03 0.6 undecidable manual S 124 81.4518 91 -0.01 45
MN.BNI.HHZ. 2019-12-07T06:24:08.49 0.6 undecidable manual S 324 72.1722 91 -0.06 46
GU.RSP.HHZ. 2019-12-07T06:24:07.72 0.6 undecidable manual S 3 68.8755 92 0.03 47
FR.SAOF.HHZ.00 2019-12-07T06:24:06.50 0.6 undecidable manual S 156 65.6898 92 -0.32 44
RD.ORIF.BHZ. 2019-12-07T06:24:06.77 0.1 undecidable manual P 293 114.1968 91 0.92 64
GU.PCP.HHZ. 2019-12-07T06:24:04.66 0.1 undecidable manual P 89 104.8173 91 0.25 84
GU.LSD.HHZ. 2019-12-07T06:24:04.00 0.1 undecidable manual P 356 103.6185 91 -0.22 84
GU.GBOS.HHZ. 2019-12-07T06:24:04.47 0.6 undecidable manual S 123 58.497 92 -0.44 43
GU.ROTM.HHZ. 2019-12-07T06:24:03.98 0.3 undecidable manual P 68 96.2259 91 0.9 52
GU.RRL.HHZ. 2019-12-07T06:24:03.63 0.6 undecidable manual S 322 55.2003 92 -0.4 45
IV.QLNO.HHZ. 2019-12-07T06:24:02.97 0.1 undecidable manual P 104 92.0412 91 0.54 81
IV.IMI.HHZ. 2019-12-07T06:24:02.02 0.1 undecidable manual P 142 86.9463 91 0.37 85
GU.CANO.HHZ. 2019-12-07T06:24:02.07 0.3 undecidable manual P 113 88.1451 91 0.23 65
GU.RORO.HHZ. 2019-12-07T06:24:00.39 0.3 undecidable manual P 124 81.4518 91 -0.42 62
MN.BNI.HHZ. 2019-12-07T06:23:59.59 0.1 undecidable manual P 324 72.1722 91 0.22 89
GU.ENR.HHZ. 2019-12-07T06:23:58.87 0.1 undecidable manual S 155 36.9297 94 -0.31 93
GU.RSP.HHZ. 2019-12-07T06:23:58.14 0.1 undecidable manual P 3 68.8755 92 -0.74 77
FR.SAOF.HHZ.00 2019-12-07T06:23:58.36 0.6 undecidable manual P 156 65.6898 92 -0.02 47
GU.BHB.HHZ. 2019-12-07T06:23:58.08 0.3 undecidable manual S 6 34.2435 94 -0.38 69
GU.STV.HHZ. 2019-12-07T06:23:57.50 0.3 undecidable manual S 165 32.4453 94 -0.46 68
GU.GBOS.HHZ. 2019-12-07T06:23:57.39 0.1 undecidable manual P 123 58.497 92 0.12 94
GU.RRL.HHZ. 2019-12-07T06:23:56.89 0.1 undecidable manual P 322 55.2003 92 0.13 94
GU.ENR.HHZ. 2019-12-07T06:23:54.01 0.1 undecidable manual P 155 36.9297 94 0.05 99
GU.BHB.HHZ. 2019-12-07T06:23:53.26 0.1 undecidable manual P 6 34.2435 94 -0.28 94
GU.STV.HHZ. 2019-12-07T06:23:53.32 0.1 undecidable manual P 165 32.4453 94 0.06 100
GU.PZZ.HHZ. 2019-12-07T06:23:51.69 0.1 undecidable manual S 254 8.5803 136 -0.27 98
GU.PZZ.HHZ. 2019-12-07T06:23:50.04 0.1 positive manual P 254 8.5803 136 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:2.0 0.0012629999999999998 0.1 AML other m 2019-12-07T06:23:52.35
GU.PZZ.HHE. ML:2.1 0.001375 0.56 AML other m 2019-12-07T06:23:52.39
GU.STV.HHE. ML:1.6 0.000157 0.12 AML other m 2019-12-07T06:23:58.17
GU.STV.HHN. ML:1.6 0.0001835 0.18 AML other m 2019-12-07T06:23:58.09
GU.ENR.HHE. ML:2.2 0.0006374999999999999 0.36 AML other m 2019-12-07T06:23:59.29
GU.ENR.HHN. ML:2.1 0.000495 0.06 AML other m 2019-12-07T06:23:59.37
GU.BHB.HHE. ML:1.4 0.00010205 0.5 AML other m 2019-12-07T06:24:00.36
GU.BHB.HHN. ML:1.2 0.0000673 0.16 AML other m 2019-12-07T06:24:00.18
GU.RRL.HHN. ML:1.4 0.000060049999999999996 0.46 AML other m 2019-12-07T06:24:03.40
GU.RRL.HHE. ML:1.3 0.0000486 0.52 AML other m 2019-12-07T06:24:05.38
FR.SAOF.HHE.00 ML:1.4 0.0000515 1.62 AML other m 2019-12-07T06:24:06.05
FR.SAOF.HHN.00 ML:1.4 0.000043450000000000006 1.18 AML other m 2019-12-07T06:24:07.66
GU.CANO.HHE. ML:2.1 0.00014050000000000003 0.7 AML other m 2019-12-07T06:24:13.87
GU.CANO.HHN. ML:1.8 0.0000751 0.28 AML other m 2019-12-07T06:24:15.04
IV.QLNO.HHE. ML:1.4 0.0000257 0.24 AML other m 2019-12-07T06:24:15.41
GU.LSD.HHE. ML:1.5 0.0000282 0.74 AML other m 2019-12-07T06:24:18.33
IV.QLNO.HHN. ML:1.4 0.00003145 0.68 AML other m 2019-12-07T06:24:19.33
GU.LSD.HHN. ML:1.4 0.0000233 0.56 AML other m 2019-12-07T06:24:19.05
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