Earthquake with magnitude of ML 1.8 on date 15-02-2018 and time 09:54:23 (Italy) in region France

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

  • 15-02-2018 08:54:23 (UTC)
  • 15-02-2018 09:54:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.4110, 6.4310 at 10 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 2018-02-15
08:54:23
45.4108 6.4312 10 2019-04-24
14:49:19
Bollettino Sismico Italiano INGV 54197181
Reviewed
Rev100
ML 2.0 2018-02-15
08:54:22
45.4148 6.3802 16 2018-02-15
09:05:57
Sala Sismica INGV-Roma 53911611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-15 08:54:23 ± 0.38
Latitude 45.4108 ± 0.0099
Longitude 6.4312 ± 0.0295
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54197181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2360
Semi-minor axis of confidence ellipse (meter) 970
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 2360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 257
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.39840
Epicentral distance of station farthest from the epicenter (degree) 1.02523
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 54197181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-27 10:15:08

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 53911611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-15 09:05:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2018-02-15T08:54:45.60 0.6 undecidable manual S 114 71.373 50 0.28 69
IV.MRGE.HHZ. 2018-02-15T08:54:42.78 0.6 undecidable manual S 51 63.0924 50 -0.33 69
GU.PZZ.HHZ. 2018-02-15T08:54:42.92 0.6 undecidable manual P 152 113.7972 50 0.24 64
GU.RRL.HHZ. 2018-02-15T08:54:42.57 0.6 undecidable manual S 153 61.1943 50 -0.05 73
GU.TRAV.HHZ. 2018-02-15T08:54:41.38 0.6 undecidable manual P 83 103.0191 50 0.37 63
GU.LSD.HHZ. 2018-02-15T08:54:40.55 0.6 undecidable manual S 84 55.0005 50 -0.41 69
GU.CIRO.HHE. 2018-02-15T08:54:39.84 0.6 undecidable manual P 76 90.9423 50 0.69 58
MN.BNI.HHZ. 2018-02-15T08:54:37.61 0.6 undecidable manual S 154 44.2224 50 -0.48 69
GU.RSP.HHZ. 2018-02-15T08:54:36.55 0.3 undecidable manual P 114 71.373 50 0.42 100
IV.MRGE.HHZ. 2018-02-15T08:54:34.42 0.6 undecidable manual P 51 63.0924 50 -0.44 67
GU.RRL.HHZ. 2018-02-15T08:54:34.71 0.6 undecidable manual P 153 61.1943 50 0.14 72
GU.LSD.HHZ. 2018-02-15T08:54:33.65 0.6 undecidable manual P 84 55.0005 50 0.03 74
MN.BNI.HHZ. 2018-02-15T08:54:31.44 0.6 undecidable manual P 154 44.2224 50 -0.52 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HNE. ML:0.0 0.0001513363 0.1792 AML other m 2018-02-15T08:54:38.30
MN.BNI.HHE. ML:0.0 0.00018694405 0.16 AML other m 2018-02-15T08:54:38.30
MN.BNI.HNN. ML:0.0 0.0001795 0.14 AML other m 2018-02-15T08:54:38.25
MN.BNI.HHN. ML:0.0 0.0002205 0.14 AML other m 2018-02-15T08:54:38.25
GU.LSD.HHN. ML:1.6 0.000082663075 0.1792 AML other m 2018-02-15T08:54:42.14
GU.LSD.HHE. ML:1.6 0.00009789713499999999 0.1792 AML other m 2018-02-15T08:54:42.25
IV.MRGE.HHE. ML:1.6 0.0000777098785 0.1216 AML other m 2018-02-15T08:54:45.87
IV.MRGE.HHN. ML:1.8 0.00011153075 0.096 AML other m 2018-02-15T08:54:44.52
GU.RRL.HHN. ML:2.0 0.0002050697 0.3968 AML other m 2018-02-15T08:54:44.19
GU.RRL.HHE. ML:2.3 0.00037915825 0.2816 AML other m 2018-02-15T08:54:44.06
GU.RSP.HHE. ML:1.8 0.0001046873 0.16 AML other m 2018-02-15T08:54:46.20
GU.RSP.HNN. ML:1.7 0.00009135195 0.2176 AML other m 2018-02-15T08:54:46.11
GU.RSP.HHN. ML:1.8 0.000095994135 0.2368 AML other m 2018-02-15T08:54:46.10
GU.RSP.HNE. ML:1.8 0.00010588841500000001 0.3008 AML other m 2018-02-15T08:54:47.54
GU.PZZ.HHN. ML:2.1 0.000097287515 0.1984 AML other m 2018-02-15T08:54:59.49
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