Earthquake with magnitude of ML 1.5 on date 01-10-2020 and time 08:29:16 (UTC) in region 12 km NW Saint Rhémy en Bosses (AO)

A magnitude ML 1.5 earthquake occured in region: 12 km NW Saint Rhémy en Bosses (AO), on

  • 01-10-2020 08:29:16 (UTC)
  • 01-10-2020 10:29:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8820, 7.0580 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Saint-Rhémy-en-Bosses AO 12 338 338
Courmayeur AO 12 2807 3145
Saint-Oyen AO 14 203 3348
Morgex AO 14 2104 5452
Pré-Saint-Didier AO 14 1050 6502
La Salle AO 15 2087 8589
Etroubles AO 15 501 9090
Allein AO 18 229 9319

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 1.5 2020-10-01
08:29:16
45.8817 7.0583 11 2021-02-26
14:55:58
Bollettino Sismico Italiano INGV 83734501
Reviewed
Rev100
ML 1.5 2020-10-01
08:29:16
45.8858 7.0497 10 2020-10-01
08:34:31
Sala Sismica INGV-Roma 83409491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 08:29:16 ± 0.16
Latitude 45.8817 ± 0.0090
Longitude 7.0583 ± 0.0129
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 83734501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 980
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.85166
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83734501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-12 15:17:19

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83409491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 08:34:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MMK.HHN. 2020-10-01T08:29:37.97 0.6 undecidable manual S 75 72.2721 50 -0.68 38
GU.TRAV.HHZ. 2020-10-01T08:29:36.98 0.3 undecidable manual S 127 67.2771 50 -0.32 64
GU.SATI.HHN. 2020-10-01T08:29:35.71 0.6 undecidable manual S 90 62.5929 50 -0.34 43
CH.GIMEL.HHZ. 2020-10-01T08:29:33.45 0.6 undecidable manual P 320 94.5387 50 0.63 37
GU.CIRO.HHZ. 2020-10-01T08:29:32.58 0.3 undecidable manual S 128 50.2164 50 -0.17 68
GU.LSD.HHZ. 2020-10-01T08:29:31.54 0.3 undecidable manual S 173 47.2194 50 -0.41 65
GU.TRAV.HHZ. 2020-10-01T08:29:29.29 0.1 undecidable manual P 127 67.2771 50 0.67 77
CH.MMK.HHN. 2020-10-01T08:29:29.31 1.0 undecidable manual P 75 72.2721 50 -0.09 22
CH.DIX.HHZ. 2020-10-01T08:29:27.83 0.3 undecidable manual S 51 34.8429 50 -0.81 58
GU.SATI.HHN. 2020-10-01T08:29:27.92 1.0 undecidable manual P 90 62.5929 50 0.02 23
GU.CIRO.HHZ. 2020-10-01T08:29:26.45 0.1 undecidable manual P 128 50.2164 50 0.46 86
GU.LSD.HHZ. 2020-10-01T08:29:25.93 0.1 undecidable manual P 173 47.2194 50 0.4 87
CH.DIX.HHZ. 2020-10-01T08:29:23.92 0.1 undecidable manual P 51 34.8429 50 0.3 91
IV.MRGE.HHZ. 2020-10-01T08:29:22.12 0.3 undecidable manual S 179 12.3765 130 -0.28 72
GU.REMY.HHZ. 2020-10-01T08:29:21.60 0.3 undecidable manual S 123 8.9799 139 0.04 76
GU.BLANC.HHZ. 2020-10-01T08:29:21.12 0.3 undecidable manual S 247 10.4784 135 -0.78 61
IV.MRGE.HHZ. 2020-10-01T08:29:20.14 0.1 undecidable manual P 179 12.3765 130 0.12 98
GU.BLANC.HHZ. 2020-10-01T08:29:19.66 0.1 undecidable manual P 247 10.4784 135 -0.07 100
GU.REMY.HHZ. 2020-10-01T08:29:19.85 0.1 undecidable manual P 123 8.9799 139 0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHN. ML:1.6 0.0004885 0.44 AML other m 2020-10-01T08:29:21.47
GU.REMY.HHE. ML:1.6 0.0005145 0.54 AML other m 2020-10-01T08:29:21.67
GU.REMY.HHN. ML:1.6 0.0005895000000000001 0.44 AML other m 2020-10-01T08:29:21.68
GU.BLANC.HHE. ML:1.6 0.00045650000000000004 1.12 AML other m 2020-10-01T08:29:21.80
IV.MRGE.HHE. ML:1.8 0.00079 0.08 AML other m 2020-10-01T08:29:22.23
IV.MRGE.HHN. ML:1.9 0.0008545 0.08 AML other m 2020-10-01T08:29:22.27
CH.DIX.HHE. ML:1.5 0.000118 0.4 AML other m 2020-10-01T08:29:28.39
CH.DIX.HHN. ML:1.3 0.00007769999999999999 1.7 AML other m 2020-10-01T08:29:29.05
GU.LSD.HHE. ML:1.5 0.0000932 0.16 AML other m 2020-10-01T08:29:31.77
GU.LSD.HHN. ML:1.1 0.0000339 0.68 AML other m 2020-10-01T08:29:32.41
GU.CIRO.HHE. ML:1.1 0.000030150000000000004 0.52 AML other m 2020-10-01T08:29:32.68
GU.CIRO.HHN. ML:1.2 0.0000447 0.54 AML other m 2020-10-01T08:29:32.95
GU.TRAV.HHN. ML:1.3 0.0000367 0.84 AML other m 2020-10-01T08:29:37.72
GU.TRAV.HHE. ML:1.4 0.000041599999999999995 1.2 AML other m 2020-10-01T08:29:38.32
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