Earthquake with magnitude of ML 1.3 on date 02-04-2020 and time 12:16:26 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.3 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 02-04-2020 10:16:26 (UTC)
  • 02-04-2020 12:16:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5300, 6.6940 at 8 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
70 Km W of Cuneo (56081 inhabitants)
94 Km SW of Moncalieri (57294 inhabitants)
99 Km SW 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
Bulletin
Rev1000
ML 1.3 2020-04-02
10:16:26
44.5297 6.6938 8 2020-07-18
21:08:40
Bollettino Sismico Italiano INGV 79997431
Reviewed
Rev100
ML 1.5 2020-04-02
10:16:26
44.53 6.6945 8 2020-04-02
10:24:52
Sala Sismica INGV-Roma 77784861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 10:16:26 ± 0.23
Latitude 44.5297 ± 0.0081
Longitude 6.6938 ± 0.0114
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79997431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1069
Semi-minor axis of confidence ellipse (meter) 392
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) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.30127
Epicentral distance of station farthest from the epicenter (degree) 1.14843
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77784861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 10:24:52

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79997431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 09:27:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2020-04-02T10:16:55.18 0.6 undecidable manual S 109 96.3258 50 -0.63 39
FR.SAOF.HHZ.00 2020-04-02T10:16:53.84 1.0 undecidable manual S 131 91.0422 50 -0.57 20
GU.RSP.HHZ. 2020-04-02T10:16:52.46 0.6 undecidable manual S 33 82.0512 50 0.47 42
RD.ORIF.BHZ. 2020-04-02T10:16:50.29 0.6 undecidable manual S 304 77.2671 50 -0.44 43
GU.CANO.HHZ. 2020-04-02T10:16:48.76 0.3 undecidable manual P 106 127.4724 50 0.38 59
IV.IMI.HHZ. 2020-04-02T10:16:47.29 0.3 undecidable manual P 125 117.4935 50 0.45 59
MN.BNI.HHZ. 2020-04-02T10:16:45.14 0.6 undecidable manual S 359 57.9975 50 -0.43 45
GU.BHB.HHZ. 2020-04-02T10:16:44.54 0.6 undecidable manual S 53 56.2992 50 -0.58 43
GU.GBOS.HHZ. 2020-04-02T10:16:43.78 0.1 negative manual P 109 96.3258 50 0.21 87
FR.SAOF.HHZ.00 2020-04-02T10:16:42.90 0.3 undecidable manual P 131 91.0422 50 0.13 67
GU.RRL.HHZ. 2020-04-02T10:16:41.91 0.6 undecidable manual S 10 44.0226 50 0.05 50
GU.RSP.HHZ. 2020-04-02T10:16:41.99 0.1 positive manual P 33 82.0512 50 0.62 80
RD.ORIF.BHZ. 2020-04-02T10:16:40.42 0.1 positive manual P 304 77.2671 50 -0.22 90
GU.ENR.HHZ. 2020-04-02T10:16:38.91 0.1 negative manual P 120 66.6777 50 -0.1 94
GU.PZZ.HHZ. 2020-04-02T10:16:38.20 0.6 undecidable manual S 94 33.4443 103 -0.57 45
GU.BHB.HHZ. 2020-04-02T10:16:37.54 0.1 positive manual P 53 56.2992 50 0.14 95
MN.BNI.HHZ. 2020-04-02T10:16:37.82 0.3 undecidable manual P 359 57.9975 50 0.16 71
GU.RRL.HHZ. 2020-04-02T10:16:35.43 0.1 negative manual P 10 44.0226 50 -0.09 99
GU.PZZ.HHZ. 2020-04-02T10:16:33.62 0.1 positive manual P 94 33.4443 103 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHE. ML:1.2 0.000056468135000000005 0.16 AML other m 2020-04-02T10:16:42.68
GU.RRL.HHN. ML:1.2 0.000052960715 0.2432 AML other m 2020-04-02T10:16:42.85
GU.BHB.HHE. ML:1.2 0.000042450755 0.1408 AML other m 2020-04-02T10:16:45.95
GU.BHB.HHN. ML:1.5 0.00006666249500000001 0.2176 AML other m 2020-04-02T10:16:46.57
MN.BNI.HNE. ML:1.1 0.000029511465 0.736 AML other m 2020-04-02T10:17:02.33
MN.BNI.HNN. ML:1.1 0.00002418799 0.3456 AML other m 2020-04-02T10:16:46.58
MN.BNI.HHE. ML:1.0 0.000020560175 0.096 AML other m 2020-04-02T10:16:46.42
RD.ORIF.BHN. ML:1.3 0.00002938388 0.2048 AML other m 2020-04-02T10:16:40.56
RD.ORIF.BHE. ML:1.2 0.00002463719 0.2816 AML other m 2020-04-02T10:16:50.59
GU.RSP.HHN. ML:1.5 0.000037980935 0.2048 AML other m 2020-04-02T10:16:54.05
GU.RSP.HNN. ML:1.6 0.000054982844999999994 0.4416 AML other m 2020-04-02T10:16:57.63
GU.RSP.HHE. ML:1.5 0.00004312206 0.1216 AML other m 2020-04-02T10:16:54.50
FR.SAOF.HHE.00 ML:1.3 0.000024136650000000002 0.1792 AML other m 2020-04-02T10:16:55.75
FR.SAOF.HHN.00 ML:1.3 0.00002452184 0.2176 AML other m 2020-04-02T10:16:56.49
GU.GBOS.HHN. ML:1.4 0.00002378025 0.2368 AML other m 2020-04-02T10:16:44.34
GU.GBOS.HHE. ML:1.4 0.000025750225 0.16 AML other m 2020-04-02T10:16:55.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download