Earthquake with magnitude of ML 1.2 on date 30-05-2020 and time 09:09:34 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 30-05-2020 09:09:34 (UTC)
  • 30-05-2020 11:09:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9720, 7.3410 at 7 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
Olivetta San Michele IM 17 211 211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Sanremo (54807 inhabitants)
50 Km SW of Cuneo (56081 inhabitants)
98 Km W of Savona (61345 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 1.2 2020-05-30
09:09:34
43.9723 7.3408 7 2020-05-30
09:14:21
Sala Sismica INGV-Roma 79711311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-30 09:09:34 ± 0.75
Latitude 43.9723 ± 0.0387
Longitude 7.3408 ± 0.0337
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79711311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4838
Semi-minor axis of confidence ellipse (meter) 1271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 4840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 258
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.03242
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 79711311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-30 09:14:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2020-05-30T09:10:32.10 3.0 positive manual Pg 7.28 0
IV.MILN.HNZ. 2020-05-30T09:10:10.00 3.0 negative manual Pn 1.46 0
GU.PCP.HHZ. 2020-05-30T09:10:09.29 0.3 undecidable manual S 56 114.5964 50 0.88 49
GU.PCP.HHZ. 2020-05-30T09:09:54.89 0.1 undecidable manual P 56 114.5964 50 0.81 68
GU.RORO.HHZ. 2020-05-30T09:09:53.15 0.3 undecidable manual S 75 59.8956 50 -0.64 61
GU.PZZ.HHZ. 2020-05-30T09:09:53.46 0.3 undecidable manual S 343 61.8936 50 -0.88 55
GU.PZZ.HHZ. 2020-05-30T09:09:46.37 0.1 undecidable manual P 343 61.8936 50 0.42 87
GU.RORO.HHZ. 2020-05-30T09:09:45.49 0.1 undecidable manual P 75 59.8956 50 -0.15 93
GU.GBOS.HHZ. 2020-05-30T09:09:43.89 0.1 undecidable manual P 53 49.7169 50 -0.18 94
FR.SAOF.HHZ.00 2020-05-30T09:09:40.85 0.3 undecidable manual S 85 16.9719 113 -0.07 76
GU.ENR.HHZ. 2020-05-30T09:09:40.53 0.1 undecidable manual P 13 28.9488 104 0.05 100
FR.SAOF.HHZ.00 2020-05-30T09:09:38.03 0.1 undecidable manual P 85 16.9719 113 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
FR.SAOF.HHN.00 ML:0.8 0.0000608 1.06 AML other m 2020-05-30T09:09:40.99
FR.SAOF.HHE.00 ML:0.9 0.00008055 1.06 AML other m 2020-05-30T09:09:41.17
GU.ENR.HHE. ML:1.3 0.00010505 0.52 AML other m 2020-05-30T09:09:44.69
GU.ENR.HHN. ML:1.4 0.000123 0.16 AML other m 2020-05-30T09:09:45.01
GU.GBOS.HHE. ML:1.0 0.000030799999999999996 0.6 AML other m 2020-05-30T09:09:50.52
GU.GBOS.HHN. ML:1.1 0.0000368 0.2 AML other m 2020-05-30T09:09:50.79
GU.PZZ.HHN. ML:1.3 0.00003895 0.36 AML other m 2020-05-30T09:09:53.67
GU.PZZ.HHE. ML:1.4 0.0000446 0.58 AML other m 2020-05-30T09:09:55.10
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