Earthquake with magnitude of ML 2.3 on date 16-05-2023 and time 03:40:26 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.3 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 16-05-2023 03:40:26 (UTC)
  • 16-05-2023 05:40:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5300, 6.8020 at 9 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
Acceglio CN 16 162 162
Bellino CN 18 109 271

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km W of Cuneo (56081 inhabitants)
87 Km SW of Moncalieri (57294 inhabitants)
92 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
Reviewed
Rev100
ML 2.3 2023-05-16
03:40:26
44.5297 6.8025 9 2023-05-16
03:49:40
Sala Sismica INGV-Roma 117395011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-16 03:40:26 ± 0.35
Latitude 44.5297 ± 0.0108
Longitude 6.8025 ± 0.0214
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117395011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1568
Semi-minor axis of confidence ellipse (meter) 993
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.54054
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 117395011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-16 03:49:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2023-05-16T03:41:40.10 3.0 undecidable manual Pn 8.8 0
IV.FNVD.HHZ. 2023-05-16T03:41:25.18 3.0 undecidable manual Pg 10.38 0
GU.CARD.HHZ. 2023-05-16T03:41:16.08 3.0 positive manual Pg 7.21 0
GU.PCP.HHZ. 2023-05-16T03:41:06.39 0.6 undecidable manual S 89 137.862 50 0.61 37
GU.PCP.HHZ. 2023-05-16T03:41:05.53 0.1 undecidable manual P 89 137.862 50 1.652 0
GU.CIRO.HHZ. 2023-05-16T03:41:04.54 0.3 undecidable manual S 26 133.1667 50 -0.01 64
GU.RORO.HHZ. 2023-05-16T03:40:58.62 1.0 undecidable manual S 114 110.5005 50 0.14 22
GU.SATI.HHZ. 2023-05-16T03:40:56.21 0.1 undecidable manual P 29 170.9955 50 2.09 27
GU.RSP.HHZ. 2023-05-16T03:40:50.14 0.6 undecidable manual S 28 77.6667 50 0.42 44
IV.MRGE.HHZ. 2023-05-16T03:40:49.93 0.1 undecidable manual P 8 139.0608 50 0.73 70
GU.TRAV.HHZ. 2023-05-16T03:40:48.73 0.1 undecidable manual P 34 131.7681 50 0.66 73
GU.ROTM.HHZ. 2023-05-16T03:40:48.63 0.1 undecidable manual P 73 127.2726 50 1.25 56
GU.CIRO.HHZ. 2023-05-16T03:40:48.82 0.1 undecidable manual P 26 133.1667 50 0.52 77
IV.QLNO.HHZ. 2023-05-16T03:40:47.63 0.1 undecidable manual P 100 124.3866 50 0.69 73
GU.CANO.HHZ. 2023-05-16T03:40:46.59 0.1 undecidable manual P 107 119.2917 50 0.44 81
GU.IMI.HHZ. 2023-05-16T03:40:45.21 0.1 negative manual P 128 110.6004 50 0.39 83
GU.RORO.HHZ. 2023-05-16T03:40:44.81 0.1 undecidable manual P 114 110.5005 50 0.01 90
MN.BNI.HHZ. 2023-05-16T03:40:44.17 0.3 undecidable manual S 350 58.7967 50 -0.5 67
GU.BURY.HHZ. 2023-05-16T03:40:44.18 0.1 undecidable manual P 144 102.3198 50 0.63 78
GU.ENR.HHZ. 2023-05-16T03:40:43.93 0.3 undecidable manual S 124 59.0964 50 -0.83 59
GU.MGRO.HHZ. 2023-05-16T03:40:42.98 0.1 positive manual P 124 96.4257 50 0.35 86
GU.STV.HHZ. 2023-05-16T03:40:42.00 0.3 undecidable manual S 127 52.1034 50 -0.91 57
4P.IT06A.HHZ. 2023-05-16T03:40:41.31 0.1 undecidable manual P 89 85.248 50 0.41 87
GU.GBOS.HHZ. 2023-05-16T03:40:41.50 0.1 undecidable manual P 111 88.245 50 0.13 92
GU.BHB.HHZ. 2023-05-16T03:40:41.09 0.3 undecidable manual S 47 49.7169 50 -1.16 51
FR.SAOF.HHZ.00 2023-05-16T03:40:40.93 1.0 positive manual P 135 84.8484 50 0.09 23
GU.RSP.HHZ. 2023-05-16T03:40:39.79 0.1 undecidable manual P 28 77.6667 50 0.05 95
RD.ORIF.BHZ. 2023-05-16T03:40:39.92 0.1 undecidable manual P 301 84.5487 50 -0.88 73
GU.RRL.HHZ. 2023-05-16T03:40:39.79 0.3 undecidable manual S 359 43.4232 50 -0.79 62
MN.BNI.HHZ. 2023-05-16T03:40:37.14 0.6 undecidable manual P 350 58.7967 50 0.31 47
GU.ENR.HHZ. 2023-05-16T03:40:36.38 0.1 undecidable manual P 124 59.0964 50 -0.5 89
GU.STV.HHZ. 2023-05-16T03:40:35.13 0.1 undecidable manual P 127 52.1034 50 -0.68 84
GU.RRL.HHZ. 2023-05-16T03:40:34.10 0.1 undecidable manual P 359 43.4232 50 -0.37 95
GU.BHB.HHZ. 2023-05-16T03:40:34.86 0.1 undecidable manual P 47 49.7169 50 -0.57 89
GU.PZZ.HHZ. 2023-05-16T03:40:34.43 0.3 undecidable manual S 96 24.8529 110 -0.89 61
GU.PZZ.HHZ. 2023-05-16T03:40:31.16 0.1 positive manual P 96 24.8529 110 -0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:2.7 0.0029300000000000003 1.36 AML other m 2023-05-16T03:40:35.78
GU.PZZ.HHE. ML:2.7 0.0028650000000000004 0.22 AML other m 2023-05-16T03:40:36.20
GU.RRL.HHE. ML:2.2 0.0005250000000000001 0.54 AML other m 2023-05-16T03:40:40.67
GU.STV.HHE. ML:2.1 0.0003 0.44 AML other m 2023-05-16T03:40:43.69
GU.BHB.HHN. ML:2.2 0.0004575 0.18 AML other m 2023-05-16T03:40:43.98
GU.BHB.HNN. ML:2.3 0.0005015 0.2 AML other m 2023-05-16T03:40:43.99
GU.STV.HHN. ML:2.2 0.0003665 1.66 AML other m 2023-05-16T03:40:44.87
GU.RRL.HHN. ML:2.1 0.0004365 0.96 AML other m 2023-05-16T03:40:44.41
GU.BHB.HHE. ML:2.1 0.00033 0.54 AML other m 2023-05-16T03:40:44.76
GU.BHB.HNE. ML:2.1 0.000326 0.52 AML other m 2023-05-16T03:40:44.50
GU.ENR.HHE. ML:2.2 0.000356 0.46 AML other m 2023-05-16T03:40:46.18
MN.BNI.HNE. ML:1.8 0.0001515 0.28 AML other m 2023-05-16T03:40:46.42
GU.ENR.HHN. ML:2.2 0.00036750000000000004 0.3 AML other m 2023-05-16T03:40:46.56
MN.BNI.HHE. ML:1.8 0.0001455 0.3 AML other m 2023-05-16T03:40:46.41
MN.BNI.HNN. ML:1.7 0.00011135000000000001 1.48 AML other m 2023-05-16T03:40:47.05
MN.BNI.HHN. ML:1.7 0.0001105 1.48 AML other m 2023-05-16T03:40:47.79
GU.RSP.HHE. ML:1.8 0.00009984999999999999 0.48 AML other m 2023-05-16T03:40:51.57
GU.RSP.HNE. ML:2.5 0.000513 0.46 AML other m 2023-05-16T03:40:51.58
GU.RSP.HNN. ML:2.4 0.000409 0.9 AML other m 2023-05-16T03:40:51.86
GU.MGRO.HNE. ML:2.6 0.00041799999999999997 0.6 AML other m 2023-05-16T03:40:52.95
GU.GBOS.HHN. ML:2.7 0.0006879999999999999 0.42 AML other m 2023-05-16T03:40:52.68
GU.GBOS.HHE. ML:2.8 0.0008020000000000001 0.36 AML other m 2023-05-16T03:40:52.74
GU.RSP.HHN. ML:1.7 0.00007975 1.18 AML other m 2023-05-16T03:40:53.76
4P.IT06A.HHN. ML:2.7 0.000711 1.44 AML other m 2023-05-16T03:40:53.14
FR.SAOF.HHN.00 ML:2.2 0.000221 1.5 AML other m 2023-05-16T03:40:54.82
RD.ORIF.BHN. ML:2.1 0.00017749999999999998 0.36 AML other m 2023-05-16T03:40:54.65
RD.ORIF.BHE. ML:2.1 0.00016350000000000002 0.32 AML other m 2023-05-16T03:40:54.73
FR.SAOF.HHE.00 ML:2.2 0.000178 1.44 AML other m 2023-05-16T03:40:55.96
GU.MGRO.HHN. ML:2.3 0.00020850000000000003 0.4 AML other m 2023-05-16T03:40:56.13
GU.MGRO.HHE. ML:2.3 0.0002035 0.68 AML other m 2023-05-16T03:40:56.83
GU.MGRO.HNN. ML:2.3 0.000205 0.68 AML other m 2023-05-16T03:40:57.84
GU.RORO.HHE. ML:2.5 0.000261 0.26 AML other m 2023-05-16T03:40:59.82
GU.RORO.HHN. ML:2.6 0.00030100000000000005 1.58 AML other m 2023-05-16T03:40:59.97
GU.BURY.HNN. ML:2.3 0.0001985 0.56 AML other m 2023-05-16T03:41:00.37
GU.BURY.HHE. ML:2.3 0.00019 0.54 AML other m 2023-05-16T03:41:00.38
GU.BURY.HNE. ML:2.2 0.00016900000000000002 0.38 AML other m 2023-05-16T03:41:02.25
GU.BURY.HHN. ML:2.2 0.00015 0.34 AML other m 2023-05-16T03:41:02.44
IV.QLNO.HHE. ML:2.4 0.00018099999999999998 1.24 AML other m 2023-05-16T03:41:03.86
GU.CANO.HHE. ML:2.9 0.0005545 0.4 AML other m 2023-05-16T03:41:03.74
IV.QLNO.HHN. ML:2.3 0.000153 0.42 AML other m 2023-05-16T03:41:03.95
GU.CANO.HHN. ML:2.8 0.000508 0.46 AML other m 2023-05-16T03:41:04.76
GU.TRAV.HHE. ML:2.1 0.00007565 1.58 AML other m 2023-05-16T03:41:04.13
GU.IMI.HHE. ML:2.6 0.000321 0.44 AML other m 2023-05-16T03:41:05.61
GU.IMI.HHN. ML:2.8 0.000498 1.32 AML other m 2023-05-16T03:41:05.21
GU.CIRO.HHN. ML:2.0 0.00006385000000000001 0.42 AML other m 2023-05-16T03:41:07.40
GU.CIRO.HHE. ML:1.9 0.00005435 0.44 AML other m 2023-05-16T03:41:07.31
GU.PCP.HHE. ML:2.2 0.00010525000000000001 0.24 AML other m 2023-05-16T03:41:07.52
4P.IT06A.HHE. ML:2.6 0.0005925 0.42 AML other m 2023-05-16T03:41:09.67
GU.TRAV.HHN. ML:2.0 0.0000688 1.78 AML other m 2023-05-16T03:41:09.03
GU.PCP.HHN. ML:2.2 0.0000993 0.6 AML other m 2023-05-16T03:41:10.97
GU.ROTM.HHE. ML:2.8 0.00038250000000000003 1.14 AML other m 2023-05-16T03:41:15.25
IV.MRGE.HHE. ML:2.0 0.00005565 0.86 AML other m 2023-05-16T03:41:16.18
GU.ROTM.HHN. ML:2.8 0.0004095 1.06 AML other m 2023-05-16T03:41:17.76
IV.MRGE.HHN. ML:2.1 0.00007314999999999999 0.62 AML other m 2023-05-16T03:41:18.38
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
Waveforms Seismic signals in miniseed + resp format Download