Earthquake with magnitude of ML 2.1 on date 04-05-2020 and time 05:45:15 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 04-05-2020 05:45:15 (UTC)
  • 04-05-2020 07:45:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0980, 6.8790 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km SW of Cuneo (56081 inhabitants)
79 Km W of Sanremo (54807 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 2.1 2020-05-04
05:45:15
44.0982 6.8787 11 2020-11-19
12:36:44
Bollettino Sismico Italiano INGV 78945471
Reviewed
Rev100
ML 2.2 2020-05-04
05:45:15
44.0972 6.8815 11 2020-05-04
05:55:35
Sala Sismica INGV-Roma 78828151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-04 05:45:15 ± 0.22
Latitude 44.0982 ± 0.0072
Longitude 6.8787 ± 0.0100
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78945471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 793
Semi-minor axis of confidence ellipse (meter) 715
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.52885
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 78945471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-04 18:59:51

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 78828151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-04 05:55:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2020-05-04T05:47:02.58 3.0 undecidable manual Sn 10.54 0
IV.MCRV.HHZ. 2020-05-04T05:47:02.30 3.0 undecidable manual Pn 5.45 0
IV.RAVA.EHZ. 2020-05-04T05:46:59.69 3.0 undecidable manual Sg 17.32 0
IV.VIVA.HHZ. 2020-05-04T05:46:43.58 3.0 positive manual Pg 14.97 0
OX.CIMO.HHZ. 2020-05-04T05:46:43.24 3.0 positive manual Pg 19.91 0
SI.BOSI.HHZ. 2020-05-04T05:46:32.65 3.0 undecidable manual Pg 17.139999 0
IV.MMO1.EHZ. 2020-05-04T05:46:31.41 3.0 undecidable manual Pn 3.75 0
IV.TOLF.HHZ. 2020-05-04T05:46:29.08 3.0 undecidable manual Pg 9.47 0
IV.MAON.HHZ. 2020-05-04T05:46:18.50 3.0 undecidable manual Pg 9.08 0
IV.NDIM.HHZ. 2020-05-04T05:46:09.23 3.0 positive manual Pn 6.96 0
GU.PCP.HHZ. 2020-05-04T05:45:56.91 0.6 undecidable manual S 69 141.0477 50 0.74 35
RD.ORIF.BHZ. 2020-05-04T05:45:51.15 0.1 undecidable manual S 319 120.4905 50 0.48 80
RD.PGF.BHZ. 2020-05-04T05:45:51.00 3.0 negative manual Pn 0.12 0
IV.QLNO.HHE. 2020-05-04T05:45:51.11 0.3 undecidable manual S 77 119.2917 50 0.75 54
GU.RSP.HHZ. 2020-05-04T05:45:50.78 0.6 undecidable manual S 15 120.3906 50 0.13 43
GU.CANO.HHZ. 2020-05-04T05:45:47.62 0.1 undecidable manual S 83 108.8133 50 0.07 89
MN.BNI.HNE. 2020-05-04T05:45:46.82 0.3 undecidable manual S 352 107.0151 50 -0.25 65
GU.RNCA.HHZ. 2020-05-04T05:45:44.40 0.3 undecidable manual P 75 169.6968 50 0.8 45
GU.RRL.HHZ. 2020-05-04T05:45:43.41 0.1 undecidable manual S 356 91.5417 50 0.47 85
IV.IMI.HHZ. 2020-05-04T05:45:41.04 0.3 undecidable manual S 104 83.5497 50 0.22 68
GU.BHB.HHZ. 2020-05-04T05:45:41.35 0.1 undecidable manual S 20 87.246 50 -0.45 86
GU.GBOS.HHZ. 2020-05-04T05:45:39.50 0.1 undecidable manual S 78 78.1662 50 0.14 93
GU.PCP.HHZ. 2020-05-04T05:45:39.52 0.1 undecidable manual P 69 141.0477 50 0.33 79
IV.QLNO.HHE. 2020-05-04T05:45:36.31 0.3 undecidable manual P 77 119.2917 50 0.47 60
RD.ORIF.BHZ. 2020-05-04T05:45:35.75 0.1 undecidable manual P 319 120.4905 50 -0.27 83
GU.BURY.HNE. 2020-05-04T05:45:35.47 0.1 undecidable manual S 123 64.491 50 -0.26 93
GU.RSP.HHZ. 2020-05-04T05:45:35.88 0.1 undecidable manual P 15 120.3906 50 -0.12 86
GU.CANO.HHZ. 2020-05-04T05:45:34.60 0.1 undecidable manual P 83 108.8133 50 0.38 83
FR.SAOF.HHZ.00 2020-05-04T05:45:33.06 0.1 undecidable manual S 103 55.2003 50 -0.18 97
MN.BNI.HNE. 2020-05-04T05:45:33.98 0.3 undecidable manual P 352 107.0151 50 0.05 67
GU.RORO.HHZ. 2020-05-04T05:45:32.06 0.1 undecidable manual P 89 94.6386 50 0.03 92
GU.RRL.HHZ. 2020-05-04T05:45:31.42 0.1 negative manual P 356 91.5417 50 -0.13 91
GU.PZZ.HHZ. 2020-05-04T05:45:31.10 0.1 undecidable manual S 22 49.1175 50 -0.51 91
GU.BHB.HHZ. 2020-05-04T05:45:31.09 0.1 positive manual P 20 87.246 50 0.2 90
IV.IMI.HHZ. 2020-05-04T05:45:30.26 0.1 positive manual P 104 83.5497 50 -0.07 94
GU.ENR.HHZ. 2020-05-04T05:45:30.51 0.1 undecidable manual S 72 45.4212 50 -0.12 100
GU.GBOS.HHZ. 2020-05-04T05:45:29.56 0.1 undecidable manual P 78 78.1662 50 0.07 94
GU.STV.HHZ. 2020-05-04T05:45:28.65 0.1 undecidable manual S 65 39.1275 50 -0.31 97
GU.BURY.HNE. 2020-05-04T05:45:27.09 0.1 undecidable manual P 123 64.491 50 -0.3 93
FR.SAOF.HHZ.00 2020-05-04T05:45:25.66 0.1 positive manual P 103 55.2003 50 -0.29 94
GU.ENR.HHZ. 2020-05-04T05:45:24.35 0.1 positive manual P 72 45.4212 50 -0.09 100
GU.PZZ.HHZ. 2020-05-04T05:45:24.81 0.1 negative manual P 22 49.1175 50 -0.2 97
GU.STV.HHZ. 2020-05-04T05:45:23.30 0.1 positive manual P 65 39.1275 50 -0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:2.3 0.0006715 0.4 AML other m 2020-05-04T05:45:28.94
GU.STV.HHE. ML:2.0 0.000374 0.14 AML other m 2020-05-04T05:45:29.14
GU.ENR.HHE. ML:2.3 0.00055348335 0.24 AML other m 2020-05-04T05:45:30.66
GU.ENR.HHN. ML:2.3 0.00062443085 0.2208 AML other m 2020-05-04T05:45:30.71
GU.PZZ.HHN. ML:2.4 0.000643 0.7 AML other m 2020-05-04T05:45:31.31
GU.PZZ.HHE. ML:2.6 0.000988 0.76 AML other m 2020-05-04T05:45:31.41
FR.SAOF.HHE.00 ML:1.8 0.000132 1.02 AML other m 2020-05-04T05:45:33.93
GU.GBOS.HHE. ML:1.8 0.00009462996 0.5184 AML other m 2020-05-04T05:45:39.85
GU.GBOS.HHN. ML:1.9 0.0001129164 0.4992 AML other m 2020-05-04T05:45:39.97
GU.BHB.HHE. ML:2.2 0.000195 0.24 AML other m 2020-05-04T05:45:41.67
GU.BHB.HHN. ML:2.2 0.00020400000000000003 0.78 AML other m 2020-05-04T05:45:42.18
GU.RRL.HHN. ML:2.0 0.00010355000000000001 1.14 AML other m 2020-05-04T05:45:44.18
GU.RSP.HHN. ML:2.0 0.00007580000000000001 0.38 AML other m 2020-05-04T05:45:52.22
RD.ORIF.BHN. ML:2.0 0.0000799 0.52 AML other m 2020-05-04T05:45:54.78
GU.PCP.HHN. ML:2.1 0.00007145 1.34 AML other m 2020-05-04T05:45:57.25
GU.PCP.HHE. ML:2.2 0.00007815 0.42 AML other m 2020-05-04T05:45:59.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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