Earthquake with magnitude of ML 1.7 on date 24-02-2018 and time 20:42:07 (Italy) in region 10 km W Saint Rhémy en Bosses (AO)

A magnitude ML 1.7 earthquake occured in region: 10 km W Saint Rhémy en Bosses (AO), on

  • 24-02-2018 19:42:07 (UTC)
  • 24-02-2018 20:42:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8670, 7.0670 at 11 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Saint-Rhémy-en-Bosses AO 10 338 338
Courmayeur AO 11 2807 3145
Saint-Oyen AO 12 203 3348
Morgex AO 12 2104 5452
Pré-Saint-Didier AO 13 1050 6502
La Salle AO 13 2087 8589
Etroubles AO 14 501 9090
Allein AO 17 229 9319
Saint-Nicolas AO 18 311 9630
Avise AO 19 305 9935
La Thuile AO 19 761 10696
Ollomont AO 19 157 10853
Doues AO 19 510 11363
Arvier AO 20 873 12236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
100 Km NW 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 1.7 2018-02-24
19:42:07
45.8673 7.0668 11 2019-04-24
14:49:37
Bollettino Sismico Italiano INGV 58210961
Reviewed
Rev100
ML 2.0 2018-02-24
19:42:07
45.8682 7.0758 10 2018-02-24
19:49:10
Sala Sismica INGV-Roma 54131031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-24 19:42:07 ± 0.12
Latitude 45.8673 ± 0.0045
Longitude 7.0668 ± 0.0090
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58210961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 622
Semi-minor axis of confidence ellipse (meter) 467
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 1.37237
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:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 58210961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-28 09:09:45

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 54131031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-24 19:49:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHE. 2018-02-24T19:42:38.72 0.6 undecidable manual S 192 107.2149 50 0.27 40
CH.GIMEL.HHZ. 2018-02-24T19:42:35.27 0.6 undecidable manual S 321 96.126 50 -0.24 41
MN.BNI.HHZ. 2018-02-24T19:42:34.91 0.6 undecidable manual S 199 95.3379 50 -0.39 40
CH.BNALP.HHE. 2018-02-24T19:42:33.06 0.6 undecidable manual P 43 152.3364 50 0.81 31
CH.FUSIO.HHZ. 2018-02-24T19:42:30.77 1.0 undecidable manual P 61 138.861 50 0.58 17
RD.ORIF.BHE. 2018-02-24T19:42:30.49 0.6 undecidable manual P 222 140.1486 50 0.12 39
CH.MMK.HHZ. 2018-02-24T19:42:28.99 0.6 undecidable manual S 73 72.0723 50 -0.1 45
GU.TRAV.HHZ. 2018-02-24T19:42:27.37 0.6 undecidable manual S 126 65.7897 50 -0.03 46
GU.RRL.HHE. 2018-02-24T19:42:25.64 0.1 undecidable manual P 192 107.2149 50 0.34 79
CH.GIMEL.HHZ. 2018-02-24T19:42:23.69 0.3 undecidable manual P 321 96.126 50 0.08 64
MN.BNI.HHZ. 2018-02-24T19:42:23.49 0.1 undecidable manual P 199 95.3379 50 0.01 87
GU.CIRO.HHZ. 2018-02-24T19:42:22.73 0.6 undecidable manual S 127 48.7179 50 -0.12 46
GU.LSD.HHZ. 2018-02-24T19:42:21.47 0.3 undecidable manual S 173 45.5211 50 -0.53 64
CH.MMK.HHZ. 2018-02-24T19:42:20.10 0.6 undecidable manual P 73 72.0723 50 0.2 44
GU.TRAV.HHZ. 2018-02-24T19:42:19.34 0.1 undecidable manual P 126 65.7897 50 0.43 84
CH.DIX.HHZ. 2018-02-24T19:42:18.77 0.3 undecidable manual S 48 35.3424 50 -0.5 66
GU.CIRO.HHZ. 2018-02-24T19:42:16.48 0.1 undecidable manual P 127 48.7179 50 0.19 92
GU.LSD.HHZ. 2018-02-24T19:42:15.88 0.1 undecidable manual P 173 45.5211 50 0.08 94
CH.DIX.HHZ. 2018-02-24T19:42:14.00 0.1 positive manual P 48 35.3424 50 -0.23 93
IV.MRGE.HHZ. 2018-02-24T19:42:12.30 0.6 undecidable manual S 182 10.7781 135 -0.36 47
IV.MRGE.HHZ. 2018-02-24T19:42:10.32 0.1 negative manual P 182 10.7781 135 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:2.2 0.0016490175 0.1024 AML other m 2018-02-24T19:42:12.45
IV.MRGE.HHN. ML:2.1 0.001643984 0.0512 AML other m 2018-02-24T19:42:12.52
CH.DIX.HHN. ML:2.2 0.0006704134500000001 0.2304 AML other m 2018-02-24T19:42:18.91
CH.DIX.HHE. ML:2.3 0.0008027545 0.1408 AML other m 2018-02-24T19:42:19.05
GU.LSD.HHE. ML:2.1 0.0003669004 0.128 AML other m 2018-02-24T19:42:21.60
GU.LSD.HHN. ML:1.7 0.00014106145000000001 0.1152 AML other m 2018-02-24T19:42:21.59
GU.CIRO.HHE. ML:1.2 0.000039599049999999995 0.1024 AML other m 2018-02-24T19:42:23.73
GU.CIRO.HHN. ML:1.4 0.00006990490499999999 0.2048 AML other m 2018-02-24T19:42:22.96
GU.TRAV.HHE. ML:1.5 0.000060024599999999994 0.0896 AML other m 2018-02-24T19:42:29.39
GU.TRAV.HHN. ML:1.6 0.000066772555 0.128 AML other m 2018-02-24T19:42:28.29
CH.MMK.HHN. ML:1.3 0.00003581081 0.3072 AML other m 2018-02-24T19:42:29.66
CH.MMK.HHE. ML:1.3 0.000029596175 0.1792 AML other m 2018-02-24T19:42:30.46
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
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