Earthquake with magnitude of ML 1.8 on date 27-10-2017 and time 19:50:36 (UTC) in region France

A magnitude ML 1.8 earthquake occured in region: France, on

  • 27-10-2017 19:50:36 (UTC)
  • 27-10-2017 21:50:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.4200, 6.3670 at 12 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 1.8 2017-10-27
19:50:36
45.4195 6.3673 12 2018-09-04
09:07:59
Bollettino Sismico Italiano INGV 53210971
Reviewed
Rev100
ML 1.7 2017-10-27
19:50:36
45.3995 6.3217 15 2017-10-27
20:05:09
Sala Sismica INGV-Roma 51382261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-27 19:50:36 ± 0.3
Latitude 45.4195 ± 0.0117
Longitude 6.3673 ± 0.0256
Depth (km) 12 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53210971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1970
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 1970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 25
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) 6.33302
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 51382261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-10-27 20:05:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.5
Num. used stations 10
Type of magnitude ML
Reference to an origin 53210971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-15 15:35:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVE.HHZ. 2017-10-27T19:55:16.40 3.0 undecidable manual S 367.854 9.999 0
IV.BRES.EHZ. 2017-10-27T19:52:30.27 3.0 undecidable manual Sn -1.79 0
IV.TERO.HHZ. 2017-10-27T19:52:29.86 3.0 undecidable manual P 655.1442 2.5 0
IV.MA9.HHZ. 2017-10-27T19:52:25.62 3.0 undecidable manual P 647.5629 2.171 0
IV.VVLD.HHZ. 2017-10-27T19:52:16.28 1.0 undecidable manual P 122 702.963 54 5.48 0
IV.ARVD.HHZ. 2017-10-27T19:52:08.39 0.3 undecidable manual P 562.3149 1.509 0
IV.ZONE.HHZ. 2017-10-27T19:52:06.36 3.0 undecidable manual Sg 5.07 0
ST.GAGG.HHZ. 2017-10-27T19:51:45.91 0.6 undecidable manual P 362.859 1.742 0
IV.CAVE.HHZ. 2017-10-27T19:51:41.70 3.0 undecidable manual P 367.854 1.26 0
CH.DIX.HHZ. 2017-10-27T19:51:07.50 0.6 undecidable manual S 47 108.9132 91 -0.82 19
GU.RSP.HHZ. 2017-10-27T19:50:59.30 0.1 undecidable manual S 113 76.2681 91 -0.32 57
CH.GIMEL.HHZ. 2017-10-27T19:50:57.87 0.3 undecidable manual P 356 123.8871 91 0.56 83
GU.PZZ.HHE. 2017-10-27T19:50:56.14 1.0 undecidable manual P 150 117.0939 91 -0.12 20
GU.RRL.HHN. 2017-10-27T19:50:56.00 0.3 undecidable manual S 149 64.491 91 -0.47 47
GU.LSD.HHE. 2017-10-27T19:50:54.10 0.6 undecidable manual S 85 59.8956 91 -1.13 9
CH.DIX.HHZ. 2017-10-27T19:50:54.89 0.1 undecidable manual P 47 108.9132 91 -0.11 78
RD.ORIF.BHZ. 2017-10-27T19:50:54.80 1.0 undecidable manual S 215 67.377 91 -2.45 2
GU.BHB.HHZ. 2017-10-27T19:50:53.27 0.1 undecidable manual P 132 95.5377 91 0.34 100
GU.RSP.HHZ. 2017-10-27T19:50:50.22 0.1 undecidable manual P 113 76.2681 91 0.25 96
MN.BNI.HHZ. 2017-10-27T19:50:50.70 0.6 undecidable manual S 149 47.4192 92 -1.22 13
GU.RRL.HHN. 2017-10-27T19:50:48.23 0.1 undecidable manual P 149 64.491 91 0.07 97
GU.LSD.HHE. 2017-10-27T19:50:47.23 0.3 positive manual P 85 59.8956 91 -0.22 56
RD.ORIF.BHZ. 2017-10-27T19:50:47.18 0.3 positive manual P 215 67.377 91 -1.43 37
IV.MRGE.HHZ. 2017-10-27T19:50:47.85 0.1 positive manual P 54 66.378 91 -0.6 61
MN.BNI.HHZ. 2017-10-27T19:50:44.91 0.1 undecidable manual P 149 47.4192 92 -0.62 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HHE. ML:1.2 0.000039349999999999994 0.32 AML other m 2017-10-27T19:50:51.25
MN.BNI.HHN. ML:1.2 0.00003895 0.24 AML other m 2017-10-27T19:50:51.12
RD.ORIF.BHN. ML:1.6 0.00006335 0.24 AML other m 2017-10-27T19:50:55.35
RD.ORIF.BHE. ML:1.5 0.00005935 1.16 AML other m 2017-10-27T19:50:55.81
CH.DIX.HHN. ML:2.1 0.0001075 1.66 AML other m 2017-10-27T19:51:13.02
CH.DIX.HHE. ML:2.1 0.00010274999999999999 0.92 AML other m 2017-10-27T19:51:14.47
CH.GIMEL.HHE. ML:1.9 0.000057999999999999994 1 AML other m 2017-10-27T19:51:15.25
CH.GIMEL.HHN. ML:1.8 0.000044399999999999995 0.18 AML other m 2017-10-27T19:51:15.25
IV.CAVE.HHN. ML:3.7 0.00034250000000000003 0.16 AML other m 2017-10-27T19:52:53.91
IV.CAVE.HHE. ML:3.8 0.00043900000000000005 0.1 AML other m 2017-10-27T19:52:53.84
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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