Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 24-03-2020 and time 14:13:29 (Italy) in region 1 km SE Etroubles (AO)

A magnitude ML 1.3 earthquake occured in region: 1 km SE Etroubles (AO), on

  • 24-03-2020 13:13:29 (UTC)
  • 24-03-2020 14:13:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8150, 7.2370 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Etroubles AO 1 501 501
Saint-Oyen AO 2 203 704
Allein AO 3 229 933
Saint-Rhémy-en-Bosses AO 4 338 1271
Doues AO 6 510 1781
Gignod AO 6 1710 3491
Roisan AO 7 1036 4527
Ollomont AO 7 157 4684
Valpelline AO 7 657 5341
Aosta AO 11 34390 39731
Sarre AO 11 4927 44658
Gressan AO 11 3387 48045
Saint-Pierre AO 12 3165 51210
Jovençan AO 12 736 51946
Saint-Christophe AO 12 3432 55378
Saint-Nicolas AO 12 311 55689
Oyace AO 12 219 55908
Villeneuve AO 13 1289 57197
Aymavilles AO 13 2086 59283
Charvensod AO 13 2468 61751
Arvier AO 13 873 62624
Pollein AO 13 1569 64193
Avise AO 14 305 64498
Introd AO 14 658 65156
La Salle AO 15 2087 67243
Bionaz AO 16 236 67479
Quart AO 16 4039 71518
Brissogne AO 16 1008 72526
Morgex AO 17 2104 74630
Rhêmes-Saint-Georges AO 19 194 74824
Saint-Marcel AO 19 1362 76186
Nus AO 20 2984 79170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
89 Km NW of Torino (890529 inhabitants)
97 Km NW of Moncalieri (57294 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
Reviewed
Rev100 		ML 1.3 2020-03-24
13:13:29		 45.8147 7.2373 11 2020-03-24
13:23:31		 Sala Sismica INGV-Roma 77531011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-24 13:13:29 ± 0.17
Latitude 45.8147 ± 0.0081
Longitude 7.2373 ± 0.0103
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77531011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 879
Semi-minor axis of confidence ellipse (meter) 649
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.66640
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77531011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-24 13:23:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MMK.HHE. 2020-03-24T13:13:48.25 0.3 undecidable manual S 65 61.8936 50 -0.16 69
GU.TRAV.HHE. 2020-03-24T13:13:45.30 0.3 undecidable manual S 130 51.8037 50 -0.43 66
GU.SATI.HHE. 2020-03-24T13:13:45.08 0.3 undecidable manual S 82 49.2174 50 0.04 72
GU.RSP.HHZ. 2020-03-24T13:13:42.84 0.3 undecidable manual P 178 73.9704 50 0.59 60
GU.LSD.HHZ. 2020-03-24T13:13:41.93 0.6 undecidable manual S 192 40.2264 50 -0.7 41
GU.CIRO.HHZ. 2020-03-24T13:13:40.69 0.3 undecidable manual S 133 34.8429 50 -0.51 67
CH.MMK.HHE. 2020-03-24T13:13:40.51 0.3 undecidable manual P 65 61.8936 50 0.12 69
CH.DIX.HHE. 2020-03-24T13:13:39.91 0.3 undecidable manual S 24 32.2455 50 -0.6 65
GU.TRAV.HHE. 2020-03-24T13:13:39.23 0.3 undecidable manual P 130 51.8037 50 0.39 67
GU.BLANC.HHE. 2020-03-24T13:13:38.18 0.3 undecidable manual S 278 23.6541 50 -0.04 75
GU.SATI.HHE. 2020-03-24T13:13:38.48 0.1 undecidable manual P 82 49.2174 50 0.04 96
GU.LSD.HHZ. 2020-03-24T13:13:37.44 0.1 undecidable manual P 192 40.2264 50 0.39 91
GU.CIRO.HHZ. 2020-03-24T13:13:36.49 0.1 undecidable manual P 133 34.8429 50 0.26 94
CH.DIX.HHE. 2020-03-24T13:13:36.08 0.1 undecidable manual P 24 32.2455 50 0.25 95
GU.BLANC.HHE. 2020-03-24T13:13:34.90 0.6 undecidable manual P 278 23.6541 50 0.39 47
IV.MRGE.HHZ. 2020-03-24T13:13:34.94 0.3 undecidable manual S 250 14.5743 127 -0.81 61
IV.MRGE.HHZ. 2020-03-24T13:13:33.22 0.1 undecidable manual P 250 14.5743 127 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHN. ML:1.4 0.0002665 0.06 AML other m 2020-03-24T13:13:35.25
IV.MRGE.HHE. ML:1.4 0.00022950000000000002 0.32 AML other m 2020-03-24T13:13:35.42
GU.CIRO.HHE. ML:1.0 0.00004720000000000001 1.32 AML other m 2020-03-24T13:13:41.91
GU.CIRO.HHN. ML:1.2 0.00006475 0.62 AML other m 2020-03-24T13:13:41.56
GU.LSD.HHE. ML:1.4 0.00008965000000000001 0.18 AML other m 2020-03-24T13:13:42.20
GU.LSD.HHN. ML:1.3 0.00006535 1.18 AML other m 2020-03-24T13:13:42.23
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