Earthquake with magnitude of ML 1.1 on date 23-07-2019 and time 00:38:18 (Italy) in region 2 km W Argentera (CN)

A magnitude ML 1.1 earthquake occured in region: 2 km W Argentera (CN), on

  • 22-07-2019 22:38:18 (UTC)
  • 23-07-2019 00:38:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3850, 6.9400 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 83 83
Pietraporzio CN 9 77 160
Acceglio CN 11 162 322
Sambuco CN 12 92 414
Canosio CN 14 80 494
Prazzo CN 14 170 664
Marmora CN 15 68 732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Cuneo (56081 inhabitants)
91 Km SW of Moncalieri (57294 inhabitants)
92 Km NW of Sanremo (54807 inhabitants)
97 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
Reviewed
Rev100
ML 1.1 2019-07-22
22:38:18
44.385 6.9402 10 2019-07-22
22:50:00
Sala Sismica INGV-Roma 70804881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-22 22:38:18 ± 0.24
Latitude 44.3850 ± 0.0081
Longitude 6.9402 ± 0.0151
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70804881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1256
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00634
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 70804881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-22 22:50:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2019-07-22T22:39:44.12 3.0 undecidable manual Sn 0.71 0
MN.TRI.HHZ. 2019-07-22T22:39:42.60 3.0 positive manual Pn 8.61 0
IV.SSFR.HHZ. 2019-07-22T22:39:35.32 3.0 negative manual Pg 11.06 0
IV.MBAL.EHZ. 2019-07-22T22:39:15.56 3.0 positive manual Pg 8.22 0
GU.BLANC.HHZ. 2019-07-22T22:39:07.99 3.0 undecidable manual S 1.62 0
GU.GSCL.HHZ. 2019-07-22T22:39:04.26 3.0 positive manual Pn 3.37 0
GU.RSP.HHZ. 2019-07-22T22:38:45.20 1.0 undecidable manual S 17 88.4448 50 0.07 22
IV.QLNO.HHZ. 2019-07-22T22:38:38.16 0.3 undecidable manual P 93 111.6993 50 0.61 55
FR.SAOF.HHZ.00 2019-07-22T22:38:38.62 0.6 undecidable manual S 132 65.8896 50 -0.48 42
GU.RRL.HHZ. 2019-07-22T22:38:37.55 1.0 undecidable manual S 349 60.5949 50 -0.15 23
GU.CANO.HHZ. 2019-07-22T22:38:36.96 0.6 undecidable manual P 100 104.8173 50 0.47 39
GU.BHB.HHZ. 2019-07-22T22:38:36.49 0.6 undecidable manual S 27 56.0994 50 0 47
RD.ORIF.BHE. 2019-07-22T22:38:35.88 0.3 undecidable manual P 306 102.4197 50 -0.24 61
GU.RORO.HHE. 2019-07-22T22:38:35.23 0.3 undecidable manual P 108 94.4388 50 0.34 61
GU.RSP.HHZ. 2019-07-22T22:38:34.57 0.6 undecidable manual P 17 88.4448 50 0.61 38
IV.IMI.HHZ. 2019-07-22T22:38:34.90 0.6 undecidable manual P 124 92.3409 50 0.34 41
GU.GBOS.HHZ. 2019-07-22T22:38:31.81 0.6 undecidable manual P 102 73.1712 50 0.21 44
GU.ENR.HHZ. 2019-07-22T22:38:31.98 0.6 undecidable manual S 115 41.9247 50 -0.75 39
FR.SAOF.HHZ.00 2019-07-22T22:38:30.54 0.3 undecidable manual P 132 65.8896 50 0.06 68
GU.BHB.HHZ. 2019-07-22T22:38:29.01 0.3 undecidable manual P 27 56.0994 50 0.03 70
GU.RRL.HHZ. 2019-07-22T22:38:29.40 0.3 undecidable manual P 349 60.5949 50 -0.27 66
GU.ENR.HHZ. 2019-07-22T22:38:26.55 0.1 positive manual P 115 41.9247 50 -0.25 92
GU.PZZ.HHZ. 2019-07-22T22:38:25.80 0.6 undecidable manual S 46 19.3695 116 -0.4 46
GU.PZZ.HHZ. 2019-07-22T22:38:23.05 0.1 negative manual P 46 19.3695 116 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.6 0.0003125 1.54 AML other m 2019-07-22T22:38:25.20
GU.PZZ.HHE. ML:1.7 0.000361 0.88 AML other m 2019-07-22T22:38:26.08
GU.ENR.HHN. ML:1.1 0.00004305 0.5 AML other m 2019-07-22T22:38:32.48
GU.BHB.HHE. ML:1.1 0.000028250000000000002 0.32 AML other m 2019-07-22T22:38:36.91
GU.GBOS.HHE. ML:1.0 0.00001385 0.54 AML other m 2019-07-22T22:38:41.53
GU.ENR.HHE. ML:1.1 0.000038321695 0.1408 AML other m 2019-07-22T22:38:32.74
GU.BHB.HHN. ML:1.0 0.000025126699999999998 0.192 AML other m 2019-07-22T22:38:37.45
GU.RRL.HHE. ML:0.9 0.000013329015 0.2048 AML other m 2019-07-22T22:38:38.52
GU.RRL.HHN. ML:0.9 0.000014700095 2.1632 AML other m 2019-07-22T22:38:38.86
FR.SAOF.HHE.00 ML:0.9 0.000017162035 0.2048 AML other m 2019-07-22T22:38:39.68
FR.SAOF.HHN.00 ML:1.0 0.000019560050000000003 0.3584 AML other m 2019-07-22T22:38:39.77
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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