Earthquake with magnitude of ML 2.2 on date 20-12-2019 and time 05:31:20 (Italy) in region France

A magnitude ML 2.2 earthquake occured in region: France, on

  • 20-12-2019 04:31:20 (UTC)
  • 20-12-2019 05:31:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5920, 6.2940 at 14 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

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 2019-12-20
04:31:20
44.592 6.2937 15 2020-02-28
16:42:15
Bollettino Sismico Italiano INGV 74918871
Reviewed
Rev100
ML 2.2 2019-12-20
04:31:20
44.5997 6.2942 15 2019-12-20
04:43:00
Sala Sismica INGV-Roma 74807931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-20 04:31:20 ± 0.18
Latitude 44.5920 ± 0.0090
Longitude 6.2937 ± 0.0114
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74918871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1010
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.69522
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 74918871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-04 14:46:14

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 74807931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-20 04:43:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2019-12-20T04:31:51.73 0.6 undecidable manual P 40 188.1672 54 1.92 24
GU.RSP.HHZ. 2019-12-20T04:31:48.87 0.3 undecidable manual S 51 98.2239 92 0.1 66
GU.STV.HHZ. 2019-12-20T04:31:46.14 0.6 undecidable manual S 115 90.3429 93 -0.55 38
GU.RORO.HHZ. 2019-12-20T04:31:45.11 0.3 undecidable manual P 110 150.3384 91 0.43 69
GU.BHB.HHZ. 2019-12-20T04:31:43.80 0.3 undecidable manual S 70 81.0522 93 -0.41 57
GU.BURY.HHE. 2019-12-20T04:31:42.75 0.3 undecidable manual P 131 134.7651 92 0.47 72
GU.GBOS.HHZ. 2019-12-20T04:31:41.65 0.3 undecidable manual P 107 128.5713 92 0.33 70
FR.SAOF.HHE.00 2019-12-20T04:31:39.99 0.3 undecidable manual P -0.1 64
GU.PZZ.HHZ. 2019-12-20T04:31:39.42 0.6 undecidable manual S 98 65.6898 94 -0.69 36
MN.BNI.HHZ. 2019-12-20T04:31:38.12 0.6 undecidable manual S 31 59.2962 94 -0.29 40
GU.RSP.HHZ. 2019-12-20T04:31:37.11 0.1 undecidable manual P 51 98.2239 92 0.46 100
GU.RRL.HHZ. 2019-12-20T04:31:36.78 0.3 undecidable manual S 47 53.502 95 -0.09 67
RD.ORIF.BHZ. 2019-12-20T04:31:35.36 0.1 undecidable manual S -0.01 100
GU.STV.HHZ. 2019-12-20T04:31:35.03 0.1 undecidable manual P 115 90.3429 93 -0.41 80
GU.BHB.HHZ. 2019-12-20T04:31:33.94 0.1 negative manual P 70 81.0522 93 -0.07 90
GU.PZZ.HHZ. 2019-12-20T04:31:31.09 0.1 undecidable manual P 98 65.6898 94 -0.56 77
MN.BNI.HHZ. 2019-12-20T04:31:30.80 0.1 undecidable manual P 31 59.2962 94 0.13 100
GU.RRL.HHZ. 2019-12-20T04:31:29.66 0.1 undecidable manual P 47 53.502 95 -0.12 92
RD.ORIF.BHZ. 2019-12-20T04:31:28.81 0.1 undecidable manual P -0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:0.0 0.0005916744000000001 0.2976 AML other m 2019-12-20T04:31:39.69
GU.PZZ.HHE. ML:0.0 0.0007626477499999999 0.24 AML other m 2019-12-20T04:31:40.44
GU.STV.HHN. ML:0.0 0.00014549529999999998 0.4224 AML other m 2019-12-20T04:31:50.45
GU.STV.HHE. ML:0.0 0.00011304383499999999 0.4192 AML other m 2019-12-20T04:31:51.45
RD.ORIF.BHE. ML:2.2 0.00043452935 0.4384 AML other m 2019-12-20T04:31:36.08
RD.ORIF.BHN. ML:2.0 0.00027554529999999997 0.1984 AML other m 2019-12-20T04:31:36.09
GU.RRL.HHE. ML:2.2 0.0003909591 0.2784 AML other m 2019-12-20T04:31:37.35
GU.RRL.HHN. ML:2.3 0.0004863595 0.4192 AML other m 2019-12-20T04:31:38.30
MN.BNI.HNN. ML:1.7 0.00010587310999999999 0.2784 AML other m 2019-12-20T04:31:40.82
MN.BNI.HNE. ML:2.0 0.000216228 0.3808 AML other m 2019-12-20T04:31:38.40
GU.BHB.HHN. ML:2.0 0.00012620496999999999 0.2208 AML other m 2019-12-20T04:31:48.24
GU.BHB.HHE. ML:2.0 0.00014351954 0.2016 AML other m 2019-12-20T04:31:47.47
GU.RSP.HNN. ML:2.2 0.00016948855 0.2784 AML other m 2019-12-20T04:31:56.90
GU.RSP.HHE. ML:2.1 0.00011791467999999999 0.3808 AML other m 2019-12-20T04:31:49.02
GU.RSP.HNE. ML:2.1 0.00012180606499999999 0.3808 AML other m 2019-12-20T04:31:49.02
GU.RSP.HHN. ML:2.2 0.0001772571 0.2592 AML other m 2019-12-20T04:31:56.90
GU.GBOS.HHE. ML:2.0 0.000066253625 0.3616 AML other m 2019-12-20T04:32:01.42
GU.GBOS.HHN. ML:2.2 0.000095817725 0.3808 AML other m 2019-12-20T04:32:01.89
GU.RORO.HHN. ML:2.4 0.00012813335 0.3776 AML other m 2019-12-20T04:32:11.19
GU.SATI.HHN. ML:2.2 0.000057092884999999996 0.7584 AML other m 2019-12-20T04:32:25.64
GU.SATI.HHE. ML:2.2 0.000059467165 0.8992 AML other m 2019-12-20T04:32:24.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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