Earthquake (controlled explosion) with magnitude of ML 2.2 on date 07-05-2020 and time 14:31:57 (Italy) in region Costa Francese (FRANCIA)

A magnitude ML 2.2 (controlled explosion) earthquake occured in region: Costa Francese (FRANCIA), on

  • 07-05-2020 12:31:57 (UTC)
  • 07-05-2020 14:31:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9830, 6.5640 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: controlled explosion.

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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.2 2020-05-07
12:31:57
42.9828 6.5637 0 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79860951
Reviewed
Rev100
ML 2.2 2020-05-07
12:31:59
42.9962 6.5957 11 2020-05-07
12:44:46
Sala Sismica INGV-Roma 78916951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-07 12:31:57 ± 0.42
Latitude 42.9828 ± 0.0180
Longitude 6.5637 ± 0.0430
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type controlled explosion
Origin ID 79860951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3630
Semi-minor axis of confidence ellipse (meter) 1780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 3630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.07573
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 78916951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-07 12:44:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79860951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-02 19:59:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF04.EHZ. 2020-05-07T12:33:58.93 3.0 undecidable manual Sg 19.610001 0
IV.CAFE.HHZ. 2020-05-07T12:33:40.51 3.0 undecidable manual Pn 1.67 0
IV.COR1.EHZ. 2020-05-07T12:33:29.27 3.0 positive manual Pg 18.459999 0
IV.FIAM.HHZ. 2020-05-07T12:33:27.06 3.0 undecidable manual Pg 14.02 0
TV.SF04.EHZ. 2020-05-07T12:33:08.73 3.0 negative manual Pg 11.47 0
IV.ZONE.HNZ. 2020-05-07T12:33:07.62 3.0 undecidable manual Pg 10.21 0
IV.SRES.HHZ. 2020-05-07T12:33:05.94 3.0 undecidable manual Pn -1.12 0
MN.VSL.HHZ. 2020-05-07T12:33:02.52 0.3 undecidable manual P 148 452.4027 38 0.2 21
FR.SMPL.HHZ.00 2020-05-07T12:32:36.64 0.3 undecidable manual P 113 243.2676 38 0.34 42
RD.ORIF.BHZ. 2020-05-07T12:32:33.75 0.3 undecidable manual P 346 221.5116 38 0.16 50
IV.QLNO.HHZ. 2020-05-07T12:32:31.19 0.6 undecidable manual P 43 206.4378 38 -0.51 34
RD.PGF.BHZ. 2020-05-07T12:32:31.20 0.1 undecidable manual P 103 204.1401 38 -0.22 74
GU.CANO.HHE. 2020-05-07T12:32:29.31 0.6 undecidable manual P 44 191.1642 38 -0.5 37
GU.GBOS.HHZ. 2020-05-07T12:32:27.31 0.3 undecidable manual P 36 173.1933 50 0.12 67
GU.PZZ.HHZ. 2020-05-07T12:32:27.04 0.3 undecidable manual P 14 174.7917 50 -0.39 63
GU.RORO.HHZ. 2020-05-07T12:32:26.74 0.1 undecidable manual P 43 173.9925 50 -0.58 79
GU.ENR.HHZ. 2020-05-07T12:32:24.45 0.1 undecidable manual P 26 154.2345 50 0.19 96
IV.IMI.HHZ. 2020-05-07T12:32:23.27 0.1 undecidable manual P 46 148.5402 50 -0.11 100
GU.STV.HHZ. 2020-05-07T12:32:23.86 0.3 undecidable manual P 23 152.8359 50 -0.2 72
FR.SAOF.HHZ.00 2020-05-07T12:32:22.08 0.3 undecidable manual P 35 136.863 50 0.49 71
GU.BURY.HNZ. 2020-05-07T12:32:19.59 0.1 undecidable manual P 42 119.4915 50 0.68 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:2.8 0.00021799999999999999 0.58 AML other m 2020-05-07T12:32:31.68
IV.IMI.HHN. ML:2.2 0.00007290000000000001 0.46 AML other m 2020-05-07T12:32:42.61
IV.IMI.HHE. ML:2.1 0.00006555 1.44 AML other m 2020-05-07T12:32:43.92
FR.SAOF.HHE.00 ML:2.2 0.0000897 0.7 AML other m 2020-05-07T12:32:50.70
FR.SAOF.HHN.00 ML:2.1 0.00007405000000000001 0.72 AML other m 2020-05-07T12:32:50.59
GU.STV.HHN. ML:2.1 0.0000632 1.36 AML other m 2020-05-07T12:32:50.19
GU.GBOS.HHE. ML:2.1 0.000050299999999999996 0.46 AML other m 2020-05-07T12:32:51.33
GU.PZZ.HHN. ML:2.4 0.00008834999999999999 0.38 AML other m 2020-05-07T12:32:51.62
GU.PZZ.HHE. ML:2.4 0.0001046 1.58 AML other m 2020-05-07T12:32:52.01
GU.ENR.HHE. ML:2.2 0.00008315 0.84 AML other m 2020-05-07T12:32:53.99
GU.RORO.HHN. ML:1.9 0.00003095 1.16 AML other m 2020-05-07T12:32:55.59
GU.STV.HHE. ML:2.3 0.00009240000000000001 0.86 AML other m 2020-05-07T12:32:56.40
GU.GBOS.HHN. ML:2.1 0.0000486 0.58 AML other m 2020-05-07T12:33:01.54
GU.ENR.HHN. ML:2.3 0.00009659999999999999 0.84 AML other m 2020-05-07T12:33:03.55
RD.ORIF.BHN. ML:2.0 0.000027400000000000002 0.76 AML other m 2020-05-07T12:33:08.57
RD.ORIF.BHE. ML:2.1 0.0000322 1 AML other m 2020-05-07T12:33:29.63
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
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