Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-03-2012 and time 23:44:20 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 2.0 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 17-03-2012 22:44:20 (UTC)
  • 17-03-2012 23:44:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0200, 7.2880 at 6 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.

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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
Ollomont AO 19 157 157
Bionaz AO 19 236 393

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 		Md 2.4
ML 2.0 		2012-03-17
22:44:20		 46.02 7.288 7 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1349899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-17 22:44:20 ± 0.15
Latitude 46.0200 ± 0.0099
Longitude 7.2880 ± 0.0104
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1349899

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1028
Semi-minor axis of confidence ellipse (meter) 606
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.69
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22218
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1349899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:56:22

Md:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1349899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:56:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHE. 2012-03-17T22:45:11.83 10.0 undecidable manual Sg 0 0 0
GU.BHB.HHN. 2012-03-17T22:44:59.34 0.6 undecidable manual Sg 181 131.4684 0.535 35
CH.MUGIO.HHZ. 2012-03-17T22:44:59.88 0.3 undecidable manual Sg 94 135.6642 -0.045 59
IV.VARE.HHN. 2012-03-17T22:44:53.76 0.6 undecidable manual Sg 98 115.5954 -0.809 33
IV.ORI.HHE. 2012-03-17T22:44:52.74 10.0 undecidable manual Pg 0 0 0
CH.GIMEL.HHN. 2012-03-17T22:44:50.10 0.6 undecidable manual Sg 306 96.8253 0.537 38
GU.PZZ.HHE. 2012-03-17T22:44:49.54 10.0 undecidable manual Pg 0 0 0
GU.BHB.HHN. 2012-03-17T22:44:43.41 0.6 undecidable manual Pg 181 131.4684 0.903 30
CH.MUGIO.HHZ. 2012-03-17T22:44:43.87 0.6 undecidable manual Pg 94 135.6642 0.719 33
IV.MONC.HHZ. 2012-03-17T22:44:42.74 10.0 undecidable manual Pg 0 0 0
IV.PTF.SHE. 2012-03-17T22:44:42.97 10.0 undecidable manual Pg 0 0 0
IV.VARE.HHN. 2012-03-17T22:44:40.62 0.6 undecidable manual Pg 98 115.5954 0.564 36
CH.GIMEL.HHN. 2012-03-17T22:44:38.12 0.6 undecidable manual Pg 306 96.8253 0.952 32
GU.RSP.HHE. 2012-03-17T22:44:37.71 0.3 undecidable manual Pg 181 96.7254 0.559 57
GU.CIRO.HHN. 2012-03-17T22:44:36.85 0.6 undecidable manual Sg 155 51.2154 -0.538 41
GU.SATI.HHZ. 2012-03-17T22:44:35.57 0.6 undecidable manual Sg 110 47.619 -0.85 37
GU.LSD.HHZ. 2012-03-17T22:44:32.31 0.3 undecidable manual Pg 191 63.3921 0.313 64
IV.MRGE.HHE. 2012-03-17T22:44:31.80 0.6 undecidable manual Sg 212 32.8449 -0.046 48
GU.TRAV.HHN. 2012-03-17T22:44:31.67 0.3 undecidable manual Pg 148 66.5778 -0.831 54
GU.CIRO.HHN. 2012-03-17T22:44:30.21 0.3 undecidable manual Pg 155 51.2154 0.075 69
CH.MMK.HHZ. 2012-03-17T22:44:29.86 0.3 undecidable manual Pg 86 52.2033 -0.424 64
GU.SATI.HHZ. 2012-03-17T22:44:29.33 0.3 undecidable manual Pg 110 47.619 -0.248 67
CH.EMV.HHZ. 2012-03-17T22:44:29.54 0.3 undecidable manual Sg 279 30.3474 -1.438 42
IV.MRGE.HHE. 2012-03-17T22:44:27.18 0.1 undecidable manual Pg 212 32.8449 0.246 92
CH.EMV.HHZ. 2012-03-17T22:44:26.11 0.1 undecidable manual Pg 279 30.3474 -0.324 91
CH.DIX.HHE. 2012-03-17T22:44:24.79 0.1 undecidable manual Sg 54 11.3775 0.016 100
CH.DIX.HHE. 2012-03-17T22:44:23.30 0.1 undecidable manual Pg 54 11.3775 0.445 91
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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