Earthquake with magnitude of ML 0.7 on date 30-04-2020 and time 05:02:21 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 0.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 30-04-2020 03:02:21 (UTC)
  • 30-04-2020 05:02:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7990, 6.6460 at 15 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
Claviere TO 18 214 214

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km NW of Cuneo (56081 inhabitants)
85 Km W of Moncalieri (57294 inhabitants)
87 Km W 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 0.7 2020-04-30
03:02:21
44.7987 6.6462 15 2020-04-30
03:08:55
Sala Sismica INGV-Roma 78684261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-30 03:02:21 ± 0.21
Latitude 44.7987 ± 0.0126
Longitude 6.6462 ± 0.0139
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78684261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1467
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79410
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78684261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-30 03:08:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2020-04-30T03:02:47.65 0.3 undecidable manual S 136 88.1451 93 0.03 70
RD.ORIF.BHZ. 2020-04-30T03:02:40.10 0.3 undecidable manual S 283 61.6938 94 -0.46 63
GU.ENR.HHZ. 2020-04-30T03:02:37.43 1.0 positive manual P 136 88.1451 93 0.8 19
GU.BHB.HHZ. 2020-04-30T03:02:36.76 0.6 undecidable manual S 85 48.7179 96 -0.36 46
GU.PZZ.HHE. 2020-04-30T03:02:36.46 0.3 undecidable manual S 131 49.2174 96 -0.79 61
GU.RSP.HHZ. 2020-04-30T03:02:33.27 0.1 undecidable manual P 51 62.1933 94 0.65 87
RD.ORIF.BHZ. 2020-04-30T03:02:32.92 0.6 positive manual P 283 61.6938 94 0.37 47
GU.BNI.HHZ. 2020-04-30T03:02:31.99 3.0 undecidable manual S 0
GU.BHB.HHZ. 2020-04-30T03:02:30.57 0.1 undecidable manual P 85 48.7179 96 0.01 100
GU.PZZ.HHE. 2020-04-30T03:02:30.96 0.1 undecidable manual P 131 49.2174 96 0.32 96
GU.RRL.HHZ. 2020-04-30T03:02:28.62 0.6 undecidable manual S 40 17.6712 117 -0.44 47
GU.RRL.HHZ. 2020-04-30T03:02:25.80 0.3 positive manual P 40 17.6712 117 -0.11 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:0.7 0.0000335539455 0.1392 AML other m 2020-04-30T03:02:28.72
GU.RRL.HHE. ML:0.6 0.000026063095 0.24 AML other m 2020-04-30T03:02:28.76
GU.BHB.HHN. ML:0.6 0.00001184062 0.2208 AML other m 2020-04-30T03:02:37.73
GU.BHB.HHE. ML:0.6 0.000009146249999999997 0.5216 AML other m 2020-04-30T03:02:37.97
GU.ENR.HHN. ML:1.2 0.000018883325 2.0608 AML other m 2020-04-30T03:02:48.93
GU.ENR.HHE. ML:0.9 0.0000092932165 0.4416 AML other m 2020-04-30T03:02:48.27
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