Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 07-05-2020 and time 18:00:19 (Italy) in region Confine Italia Francia (FRANCIA)

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

  • 07-05-2020 16:00:19 (UTC)
  • 07-05-2020 18:00:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4720, 6.7200 at 11 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Cuneo (56081 inhabitants)
96 Km SW of Moncalieri (57294 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 0.8 2020-05-07
16:00:19		 44.4723 6.7202 11 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79923871
Reviewed
Rev100 		ML 0.8 2020-05-07
16:00:19		 44.4667 6.7118 13 2020-05-07
16:14:50		 Sala Sismica INGV-Roma 78921621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-07 16:00:19 ± 0.07
Latitude 44.4723 ± 0.0009
Longitude 6.7202 ± 0.0063
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79923871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.28419
Epicentral distance of station farthest from the epicenter (degree) 1.01084
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 79923871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-05 08:07:59

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78921621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-07 16:14:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2020-05-07T16:00:45.36 0.3 undecidable manual S 30 86.3469 90 0.08 72
FR.SAOF.HHZ. 2020-05-07T16:00:44.82 0.6 undecidable manual S 129 85.3479 90 -0.2 46
RD.ORIF.BHE. 2020-05-07T16:00:43.54 1.0 undecidable manual S 307 82.6506 90 -0.76 20
IV.IMI.HHZ. 2020-05-07T16:00:38.64 0.1 undecidable manual P 123 112.1988 90 0.16 90
GU.BURY.HNN. 2020-05-07T16:00:37.22 1.0 undecidable manual P 139 101.4207 90 0.39 22
GU.BHB.HHZ. 2020-05-07T16:00:37.90 0.6 undecidable manual S 47 58.7967 90 -0.02 50
GU.STV.HHZ. 2020-05-07T16:00:36.14 0.3 undecidable manual S 117 54.2013 90 -0.56 66
GU.RRL.HHE. 2020-05-07T16:00:35.62 0.3 undecidable manual S 6 50.0166 90 0.03 77
GU.GBOS.HHZ. 2020-05-07T16:00:35.65 0.1 undecidable manual P 106 92.4408 90 0.22 92
FR.SAOF.HHZ. 2020-05-07T16:00:34.72 0.1 undecidable manual P 129 85.3479 90 0.37 91
GU.RSP.HHZ. 2020-05-07T16:00:34.75 0.1 undecidable manual P 30 86.3469 90 0.25 92
RD.ORIF.BHE. 2020-05-07T16:00:33.82 0.1 undecidable manual P 307 82.6506 90 -0.11 96
GU.PZZ.HHZ. 2020-05-07T16:00:30.38 0.3 undecidable manual S 83 31.5462 90 -0.27 75
MN.BNI.HHZ. 2020-05-07T16:00:30.90 0.6 undecidable manual P 357 64.3911 90 -0.21 48
GU.BHB.HHZ. 2020-05-07T16:00:30.37 0.1 undecidable manual P 47 58.7967 90 0.12 100
GU.ENR.HHZ. 2020-05-07T16:00:30.83 0.3 undecidable manual P 116 61.8936 90 0.11 75
GU.STV.HHZ. 2020-05-07T16:00:29.66 0.3 undecidable manual P 117 54.2013 90 0.11 76
GU.RRL.HHE. 2020-05-07T16:00:28.83 0.6 undecidable manual P 6 50.0166 90 -0.08 51
GU.PZZ.HHZ. 2020-05-07T16:00:26.13 0.3 undecidable manual P 83 31.5462 90 0.08 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.0 0.00004456344 0.2816 AML other m 2020-05-07T16:00:30.46
GU.PZZ.HHE. ML:1.2 0.00007075000000000001 0.18 AML other m 2020-05-07T16:00:31.30
GU.STV.HHE. ML:0.8 0.00001270279 0.2688 AML other m 2020-05-07T16:00:36.47
GU.STV.HHN. ML:0.6 0.0000092717265 0.32 AML other m 2020-05-07T16:00:36.40
GU.RSP.HHN. ML:0.6 0.000004861777 0.768 AML other m 2020-05-07T16:00:45.55
GU.RSP.HHE. ML:0.6 0.000002503517 0.4608 AML other m 2020-05-07T16:00:45.87
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