Earthquake with magnitude of ML 0.8 on date 16-08-2019 and time 18:49:50 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 16-08-2019 16:49:50 (UTC)
  • 16-08-2019 18:49:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.69, 6.78 at 16 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km W of Cuneo (56081 inhabitants)
79 Km W of Moncalieri (57294 inhabitants)
83 Km SW of Torino (890529 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.8 2019-08-16
16:49:50
44.69 6.78 16 2019-08-16
16:59:27
Sala Sismica INGV-Roma 71552201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-16 16:49:50 ± 0.2
Latitude 44.69 ± 0.01
Longitude 6.78 ± 0.02
Depth (km) 16 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71552201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1679
Semi-minor axis of confidence ellipse (meter) 792
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 71552201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-16 16:59:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCI.EHZ. 2019-08-16T16:51:34.66 3.0 undecidable manual Pg 14.27 0
IV.VVLD.HHZ. 2019-08-16T16:51:33.23 3.0 undecidable manual Pg 17.280001 0
IV.POFI.HHZ. 2019-08-16T16:51:27.22 3.0 undecidable manual Pn 9.39 0
IV.SERM.HNZ. 2019-08-16T16:51:23.77 3.0 undecidable manual Sn 0.73 0
IV.MF5.EHZ. 2019-08-16T16:51:17.19 3.0 undecidable manual Pn 9.52 0
IV.PIEI.HHZ. 2019-08-16T16:51:02.99 3.0 positive manual Pn 6.56 0
ST.RONC.HNZ. 2019-08-16T16:50:51.92 3.0 negative manual Pg 13 0
IT.VRB.HGZ. 2019-08-16T16:50:49.14 3.0 undecidable manual Sg 1.57 0
IT.FIE.HGZ. 2019-08-16T16:50:48.40 3.0 positive manual Pn 4.9 0
IV.RIBO.EHZ.01 2019-08-16T16:50:47.31 3.0 negative manual Pn 1.52 0
RD.ORIF.BHZ. 2019-08-16T16:50:12.32 0.3 undecidable manual S 290 0.6799 95 -0.38 65
GU.ENR.HHZ. 2019-08-16T16:50:11.28 0.3 undecidable manual S 135 0.6484 95 -0.49 70
GU.RSP.HHZ. 2019-08-16T16:50:09.79 0.3 undecidable manual S 36 0.5729 96 0.24 77
RD.ORIF.BHZ. 2019-08-16T16:50:03.46 0.6 undecidable manual P 290 0.6799 95 0.34 62
GU.BHB.HHZ. 2019-08-16T16:50:03.37 0.3 undecidable manual S 67 0.3714 100 -0.27 64
GU.ENR.HHZ. 2019-08-16T16:50:02.98 0.3 undecidable manual P 135 0.6484 95 0.39 100
GU.RSP.HHZ. 2019-08-16T16:50:01.99 0.6 undecidable manual P 36 0.5729 96 0.68 67
GU.PZZ.HHZ. 2019-08-16T16:50:00.64 0.6 undecidable manual S 127 0.2986 104 -0.89 37
GU.RRL.HHZ. 2019-08-16T16:49:59.41 0.3 undecidable manual S 2 0.2329 110 -0.24 62
GU.BHB.HHZ. 2019-08-16T16:49:57.97 0.3 undecidable manual P 67 0.3714 100 0.07 83
GU.PZZ.HHZ. 2019-08-16T16:49:56.62 0.6 undecidable manual P 127 0.2986 104 -0.06 58
GU.RRL.HHZ. 2019-08-16T16:49:55.72 0.3 undecidable manual P 2 0.2329 110 0.13 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.5 0.000119 0.18 AML other m 2019-08-16T16:50:01.19
GU.PZZ.HHE. ML:1.3 8.02E-5 0.16 AML other m 2019-08-16T16:50:01.91
GU.RRL.HHE. ML:0.6 2.01944675E-5 0.128 AML other m 2019-08-16T16:49:59.62
GU.RRL.HHN. ML:0.5 1.5493405E-5 0.1024 AML other m 2019-08-16T16:49:59.69
GU.BHB.HHE. ML:0.9 2.711117E-5 0.1408 AML other m 2019-08-16T16:50:03.85
GU.BHB.HHN. ML:0.8 2.162798E-5 0.1024 AML other m 2019-08-16T16:50:03.61
GU.RSP.HHE. ML:0.9 1.415453315E-5 0.128 AML other m 2019-08-16T16:50:10.96
GU.RSP.HHN. ML:0.9 1.55371495E-5 0.1792 AML other m 2019-08-16T16:50:10.18
GU.ENR.HHE. ML:1 1.4864925E-5 0.1536 AML other m 2019-08-16T16:50:11.64
GU.ENR.HHN. ML:0.8 1.243661E-5 0.1024 AML other m 2019-08-16T16:50:13.44
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