Earthquake with magnitude of ML 1.8 on date 20-07-2019 and time 14:18:32 (Italy) in region 2 km W Argentera (CN)

A magnitude ML 1.8 earthquake occured in region: 2 km W Argentera (CN), on

  • 20-07-2019 12:18:32 (UTC)
  • 20-07-2019 14:18:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3890, 6.9440 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Argentera CN 2 83 83
Pietraporzio CN 9 77 160
Acceglio CN 11 162 322
Sambuco CN 12 92 414
Canosio CN 13 80 494
Prazzo CN 14 170 664
Marmora CN 14 68 732
Stroppo CN 20 103 835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Cuneo (56081 inhabitants)
90 Km SW of Moncalieri (57294 inhabitants)
92 Km NW of Sanremo (54807 inhabitants)
96 Km SW of Torino (890529 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 1.8 2019-07-20
12:18:32
44.3892 6.9435 10 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73413391
Reviewed
Rev100
ML 1.9 2019-07-20
12:18:32
44.3895 6.9477 10 2019-07-20
12:28:38
Sala Sismica INGV-Roma 70736321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-20 12:18:32 ± 0.21
Latitude 44.3892 ± 0.0063
Longitude 6.9435 ± 0.0126
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 73413391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1102
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.16997
Epicentral distance of station farthest from the epicenter (degree) 1.15203
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 73413391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-23 16:55:42

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 70736321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-20 12:28:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMI.HHZ. 2019-07-20T12:19:00.11 1.0 undecidable manual S 125 92.3409 50 0.29 21
GU.BURY.HHE. 2019-07-20T12:18:57.44 1.0 undecidable manual S 144 83.1501 50 0.08 22
MN.BNI.HHN. 2019-07-20T12:18:55.48 0.6 undecidable manual S 344 76.4679 50 -0.09 44
GU.PCP.HHZ. 2019-07-20T12:18:54.32 0.3 undecidable manual P 82 127.872 50 0.61 53
FR.SAOF.HHZ.00 2019-07-20T12:18:52.12 0.6 undecidable manual S 132 65.9895 50 -0.65 39
IV.QLNO.HHZ. 2019-07-20T12:18:51.71 0.3 undecidable manual P 93 111.4995 50 0.54 56
GU.RRL.HHZ. 2019-07-20T12:18:51.22 0.6 undecidable manual S 349 60.1953 50 -0.01 47
GU.BHB.HHZ. 2019-07-20T12:18:50.01 0.6 undecidable manual S 27 55.5999 50 0.02 47
GU.CANO.HHZ. 2019-07-20T12:18:50.54 0.1 undecidable manual P 101 104.6175 50 0.41 79
RD.ORIF.BHZ. 2019-07-20T12:18:49.48 0.1 positive manual P 305 102.4197 50 -0.3 81
GU.RORO.HHZ. 2019-07-20T12:18:48.81 0.1 undecidable manual P 109 94.3389 50 0.27 83
IV.IMI.HHZ. 2019-07-20T12:18:48.52 0.1 undecidable manual P 125 92.3409 50 0.29 83
GU.RSP.HHZ. 2019-07-20T12:18:47.74 0.1 undecidable manual P 17 87.9453 50 0.19 85
GU.BURY.HHE. 2019-07-20T12:18:46.97 0.3 undecidable manual P 144 83.1501 50 0.16 65
MN.BNI.HHN. 2019-07-20T12:18:46.14 0.3 undecidable manual P 344 76.4679 50 0.36 63
GU.ENR.HHZ. 2019-07-20T12:18:45.97 1.0 undecidable manual S 115 41.9247 50 -0.38 22
GU.GBOS.HHZ. 2019-07-20T12:18:45.29 0.1 undecidable manual P 103 72.9714 50 0.04 90
FR.SAOF.HHZ.00 2019-07-20T12:18:44.21 0.1 undecidable manual P 132 65.9895 50 0.05 91
GU.STV.HHZ. 2019-07-20T12:18:43.63 0.6 undecidable manual S 118 34.2435 50 -0.69 41
GU.RRL.HHZ. 2019-07-20T12:18:43.02 0.3 undecidable manual P 349 60.1953 50 -0.25 67
GU.BHB.HHZ. 2019-07-20T12:18:42.35 0.1 undecidable manual P 27 55.5999 50 -0.2 90
GU.ENR.HHZ. 2019-07-20T12:18:40.06 0.1 undecidable manual P 115 41.9247 50 -0.4 89
GU.PZZ.HHZ. 2019-07-20T12:18:39.30 0.6 undecidable manual S 46 18.87 117 -0.47 46
GU.STV.HHZ. 2019-07-20T12:18:38.94 0.1 undecidable manual P 118 34.2435 50 -0.34 91
GU.PZZ.HHZ. 2019-07-20T12:18:36.68 0.1 positive manual P 46 18.87 117 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:1.6 0.00016849999999999998 0.26 AML other m 2019-07-20T12:18:39.06
GU.PZZ.HHE. ML:2.4 0.00214 1.16 AML other m 2019-07-20T12:18:39.75
GU.PZZ.HHN. ML:2.4 0.0019100000000000002 1.36 AML other m 2019-07-20T12:18:40.85
GU.ENR.HHE. ML:1.8 0.000195 0.22 AML other m 2019-07-20T12:18:40.38
GU.ENR.HHN. ML:1.8 0.0001885 0.42 AML other m 2019-07-20T12:18:40.63
GU.STV.HHN. ML:1.4 0.0001145 1.16 AML other m 2019-07-20T12:18:44.07
GU.BHB.HHE. ML:2.0 0.0002185 0.56 AML other m 2019-07-20T12:18:50.38
GU.BHB.HHN. ML:2.0 0.0002295 0.66 AML other m 2019-07-20T12:18:51.40
IV.QLNO.HHE. ML:1.6 0.000037449999999999995 1.14 AML other m 2019-07-20T12:18:52.00
GU.RRL.HHE. ML:1.7 0.00010214999999999999 0.16 AML other m 2019-07-20T12:18:52.12
GU.RRL.HHN. ML:1.8 0.0001305 0.9 AML other m 2019-07-20T12:18:52.44
FR.SAOF.HHE.00 ML:1.9 0.000136 0.24 AML other m 2019-07-20T12:18:53.25
FR.SAOF.HHN.00 ML:2.0 0.00016199999999999998 0.3 AML other m 2019-07-20T12:18:53.46
GU.RSP.HHN. ML:1.9 0.0001038 0.42 AML other m 2019-07-20T12:19:00.78
IV.IMI.HHN. ML:2.1 0.00013550000000000001 0.22 AML other m 2019-07-20T12:19:00.78
GU.RSP.HHE. ML:1.8 0.0000842 0.58 AML other m 2019-07-20T12:19:01.13
GU.RORO.HHE. ML:1.7 0.0000504 0.9 AML other m 2019-07-20T12:19:04.64
RD.ORIF.BHN. ML:1.6 0.00004185 0.44 AML other m 2019-07-20T12:19:05.67
RD.ORIF.BHE. ML:1.6 0.00003925 0.48 AML other m 2019-07-20T12:19:05.45
IV.IMI.HHE. ML:2.0 0.0001194 1.52 AML other m 2019-07-20T12:19:07.91
GU.PCP.HHN. ML:2.0 0.0000644 0.3 AML other m 2019-07-20T12:19:11.29
GU.RORO.HHN. ML:1.7 0.00005395 0.54 AML other m 2019-07-20T12:19:12.63
GU.PCP.HHE. ML:1.6 0.000029999999999999997 0.32 AML other m 2019-07-20T12:19:13.61
GU.CANO.HHN. ML:2.1 0.00010250000000000001 0.34 AML other m 2019-07-20T12:19:14.78
GU.CANO.HHE. ML:2.2 0.0001505 0.78 AML other m 2019-07-20T12:19:15.68
IV.QLNO.HHN. ML:1.5 0.000024449999999999998 0.74 AML other m 2019-07-20T12:19:16.02
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