Earthquake with magnitude of ML 2.4 on date 21-12-2016 and time 10:15:03 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 21-12-2016 10:15:03 (UTC)
  • 21-12-2016 11:15:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5490, 6.7220 at 9 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
68 Km W of Cuneo (56081 inhabitants)
91 Km SW of Moncalieri (57294 inhabitants)
96 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 2.4 2016-12-21
10:15:03
44.5488 6.7215 9 2017-05-03
11:23:18
Bollettino Sismico Italiano INGV 44475981
Reviewed
Rev100
ML 2.5 2016-12-21
10:15:03
44.5358 6.6603 13 2016-12-21
10:32:42
Sala Sismica INGV-Roma 37329201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-21 10:15:03 ± 0.32
Latitude 44.5488 ± 0.0090
Longitude 6.7215 ± 0.0202
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 44475981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1683
Semi-minor axis of confidence ellipse (meter) 394
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.28419
Epicentral distance of station farthest from the epicenter (degree) 2.00908
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 37329201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-21 10:32:41

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 44475981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-05-03 11:23:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2016-12-21T10:15:42.45 0.6 undecidable manual S 29 134.3655 50 -0.05 42
GU.TRAV.HHZ. 2016-12-21T10:15:42.68 0.6 undecidable manual S 37 133.7661 50 0.33 40
CH.GIMEL.HHZ. 2016-12-21T10:15:39.17 0.6 undecidable manual P 351 223.0101 38 0.76 22
GU.RORO.HHZ. 2016-12-21T10:15:38.26 0.6 undecidable manual S 114 117.1938 50 0.34 41
CH.MMK.HHZ. 2016-12-21T10:15:35.80 0.6 undecidable manual P 30 192.7626 38 1.15 22
GU.MGRO.HHZ. 2016-12-21T10:15:34.38 0.6 undecidable manual S 123 102.9192 50 0.26 43
FR.SAOF.HHE.00 2016-12-21T10:15:30.80 0.6 undecidable manual S 133 90.8424 50 -0.1 45
GU.RSP.HHZ. 2016-12-21T10:15:27.62 0.6 undecidable manual S 33 79.0653 50 -0.12 46
IV.MRGE.HHE. 2016-12-21T10:15:26.97 0.1 undecidable manual P 11 138.0618 50 0.31 79
GU.TRAV.HHZ. 2016-12-21T10:15:26.46 0.6 undecidable manual P 37 133.7661 50 0.45 39
GU.CIRO.HHZ. 2016-12-21T10:15:26.99 0.1 undecidable manual P 29 134.3655 50 0.89 65
GU.ENR.HHZ. 2016-12-21T10:15:23.91 0.3 undecidable manual S 123 65.8896 50 -0.33 68
GU.RORO.HHZ. 2016-12-21T10:15:23.72 0.1 undecidable manual P 114 117.1938 50 0.27 83
IV.MONC.HHN. 2016-12-21T10:15:23.80 0.6 undecidable manual P 58 111.2997 50 1.25 29
GU.LSD.HHE. 2016-12-21T10:15:21.68 0.3 undecidable manual P 18 106.116 50 -0.06 66
GU.STV.HHZ. 2016-12-21T10:15:21.48 0.3 undecidable manual S 125 58.497 50 -0.79 59
GU.MGRO.HHZ. 2016-12-21T10:15:21.70 0.3 undecidable manual P 123 102.9192 50 0.44 62
MN.BNI.HHZ. 2016-12-21T10:15:20.76 1.0 undecidable manual S 357 55.8996 50 -0.81 20
FR.SAOF.HHE.00 2016-12-21T10:15:19.60 0.3 undecidable manual P 133 90.8424 50 0.2 67
GU.RSP.HHZ. 2016-12-21T10:15:17.93 0.6 undecidable manual P 33 79.0653 50 0.35 44
GU.RRL.HHZ. 2016-12-21T10:15:17.23 0.3 undecidable manual S 8 41.625 50 -0.52 68
GU.ENR.HHZ. 2016-12-21T10:15:15.51 0.3 undecidable manual P 123 65.8896 50 -0.04 72
GU.STV.HHZ. 2016-12-21T10:15:14.28 0.1 positive manual P 125 58.497 50 -0.13 96
GU.PZZ.HHZ. 2016-12-21T10:15:14.89 0.1 undecidable manual S 98 31.5462 106 -0.16 100
MN.BNI.HHZ. 2016-12-21T10:15:13.26 0.1 undecidable manual P 357 55.8996 50 -0.75 80
GU.RRL.HHZ. 2016-12-21T10:15:11.33 0.1 negative manual P 8 41.625 50 -0.48 92
GU.PZZ.HHZ. 2016-12-21T10:15:10.02 0.1 positive manual P 98 31.5462 106 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HNE. ML:1.9 0.000182 0.34 AML other m 2016-12-21T10:15:23.55
MN.BNI.HHE. ML:2.0 0.000242 0.36 AML other m 2016-12-21T10:15:23.54
MN.BNI.HNN. ML:1.8 0.0001295 0.84 AML other m 2016-12-21T10:15:23.51
MN.BNI.HHN. ML:1.8 0.00015 0.84 AML other m 2016-12-21T10:15:23.51
GU.CIRO.HHN. ML:2.2 0.00009678365 1.2032 AML other m 2016-12-21T10:15:43.36
GU.CIRO.HHE. ML:2.4 0.000165 1.24 AML other m 2016-12-21T10:15:43.34
GU.ENR.HHE. ML:2.6 0.000676 0.66 AML other m 2016-12-21T10:15:25.36
GU.ENR.HHN. ML:2.5 0.000638 0.36 AML other m 2016-12-21T10:15:25.25
GU.PZZ.HHN. ML:3.0 0.004371645 0.5824 AML other m 2016-12-21T10:15:15.00
GU.RORO.HHE. ML:2.5 0.00023999999999999998 1.3 AML other m 2016-12-21T10:15:48.23
GU.RORO.HHN. ML:2.5 0.000264 0.56 AML other m 2016-12-21T10:15:49.50
GU.RRL.HHE. ML:2.5 0.001181 1.04 AML other m 2016-12-21T10:15:17.36
GU.RRL.HHN. ML:2.5 0.0010839152 0.416 AML other m 2016-12-21T10:15:18.28
GU.RSP.HHE. ML:2.4 0.000323 0.42 AML other m 2016-12-21T10:15:31.45
GU.RSP.HNE. ML:2.3 0.000311 0.42 AML other m 2016-12-21T10:15:31.46
GU.RSP.HHN. ML:2.4 0.00038349999999999994 0.5 AML other m 2016-12-21T10:15:30.46
GU.RSP.HNN. ML:2.4 0.0003645 0.52 AML other m 2016-12-21T10:15:30.47
GU.STV.HHE. ML:2.4 0.00047473200000000006 1.664 AML other m 2016-12-21T10:15:22.88
GU.TRAV.HHE. ML:2.6 0.00023 0.9 AML other m 2016-12-21T10:15:43.91
GU.TRAV.HHN. ML:2.4 0.000161 1.7 AML other m 2016-12-21T10:15:44.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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