Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 08-01-2011 and time 23:32:29 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 2.4 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 08-01-2011 23:32:29 (UTC)
  • 09-01-2011 00:32:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2540, 7.5140 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.

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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 		Md 2.7
ML 2.4 		2011-01-08
23:32:29		 46.254 7.514 11 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1158659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-08 23:32:29 ± 0.19
Latitude 46.2540 ± 0.0081
Longitude 7.5140 ± 0.0091
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1158659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 791
Semi-minor axis of confidence ellipse (meter) 659
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.21413
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1158659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:33:24

Md:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1158659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:33:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TUE.HHZ. 2011-01-08T23:33:10.15 0.3 undecidable manual Sg 80 142.4463 -0.35 73
IV.MAGA.HHE. 2011-01-08T23:33:07.96 0.6 undecidable manual Pg 101 245.7651 0.761 24
GU.RSP.HHE. 2011-01-08T23:33:06.15 0.3 undecidable manual Sg 189 124.1868 0.505 74
GU.PCP.HHZ. 2011-01-08T23:33:06.98 10.0 undecidable manual Pg 0 0 0
CH.MUGIO.HHZ. 2011-01-08T23:33:05.28 0.3 undecidable manual Sg 107 123.1878 -0.087 81
GU.PZZ.HHE. 2011-01-08T23:33:04.53 10.0 undecidable manual Pg 0 0 0
CH.DAVOX.HHE. 2011-01-08T23:33:01.23 0.3 undecidable manual Pg 71 189.7656 0.991 47
IV.VARE.HHN. 2011-01-08T23:33:00.55 0.3 undecidable manual Sg 113 105.7164 -0.172 82
GU.LSD.HHZ. 2011-01-08T23:32:57.64 0.3 undecidable manual Sg 199 92.9403 0.348 81
CH.PLONS.HHN. 2011-01-08T23:32:57.60 0.3 undecidable manual Pg 58 167.3103 0.424 66
CH.FUSIO.HHE. 2011-01-08T23:32:55.56 0.6 undecidable manual Sg 75 90.7425 -1.147 40
GU.TRAV.HHZ. 2011-01-08T23:32:54.62 0.3 undecidable manual Sg 168 84.249 -0.351 83
MN.TUE.HHZ. 2011-01-08T23:32:53.61 0.6 undecidable manual Pg 80 142.4463 0.263 50
CH.MUGIO.HHZ. 2011-01-08T23:32:50.93 0.6 undecidable manual Pg 107 123.1878 0.546 49
GU.RSP.HHE. 2011-01-08T23:32:50.98 0.3 undecidable manual Pg 189 124.1868 0.433 75
IV.VARE.HHN. 2011-01-08T23:32:48.12 0.3 undecidable manual Pg 113 105.7164 0.418 78
CH.GIMEL.HHE. 2011-01-08T23:32:47.50 0.6 undecidable manual Pg 288 100.4217 0.621 49
GU.SATI.HHN. 2011-01-08T23:32:45.73 0.3 undecidable manual Sg 147 50.1165 -0.14 92
CH.FUSIO.HHE. 2011-01-08T23:32:45.11 0.3 undecidable manual Pg 75 90.7425 -0.276 83
GU.LSD.HHZ. 2011-01-08T23:32:45.86 0.3 undecidable manual Pg 199 92.9403 0.138 85
CH.BNALP.HHZ. 2011-01-08T23:32:45.89 0.6 undecidable manual Pg 45 97.4247 -0.53 51
CH.EMV.HHZ. 2011-01-08T23:32:45.45 0.3 undecidable manual Sg 246 51.8037 -0.863 74
GU.TRAV.HHZ. 2011-01-08T23:32:44.51 0.3 undecidable manual Pg 168 84.249 0.128 87
GU.CIRO.HHN. 2011-01-08T23:32:43.81 10.0 undecidable manual Pg 0 0 0
CH.MMK.HHZ. 2011-01-08T23:32:43.56 0.3 undecidable manual Sg 123 41.3253 0.049 96
IV.MRB1.HHZ. 2011-01-08T23:32:43.29 10.0 undecidable manual Pg 0 0 0
CH.EMV.HHZ. 2011-01-08T23:32:39.15 0.3 undecidable manual Pg 246 51.8037 -0.236 90
GU.SATI.HHN. 2011-01-08T23:32:39.22 0.6 undecidable manual Pg 147 50.1165 0.094 62
CH.DIX.HHZ. 2011-01-08T23:32:37.70 0.3 undecidable manual Sg 204 21.0678 -0.384 92
CH.MMK.HHZ. 2011-01-08T23:32:37.50 0.3 undecidable manual Pg 123 41.3253 -0.266 91
CH.DIX.HHZ. 2011-01-08T23:32:34.63 0.3 undecidable manual Pg 204 21.0678 0 100
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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