Earthquake with magnitude of ML 1.0 on date 20-10-2007 and time 13:12:36 (Italy) in region 8 km NW Valdidentro (SO)

A magnitude ML 1.0 earthquake occured in region: 8 km NW Valdidentro (SO), on

  • 20-10-2007 11:12:36 (UTC)
  • 20-10-2007 13:12:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.5480, 10.2460 at 2 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
Valdidentro SO 8 4125 4125
Livigno SO 9 6389 10514
Bormio SO 13 4121 14635
Valdisotto SO 15 3556 18191
Valfurva SO 16 2638 20829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km W of Bolzano (106441 inhabitants)
86 Km NW of Trento (117317 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 1.9
ML 1.0
2007-10-20
11:12:36
46.548 10.246 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 658399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-10-20 11:12:36 ± 0.09
Latitude 46.5480 ± 0.0045
Longitude 10.2460 ± 0.0039
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 658399

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 658399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:14

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 658399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TUE.HHN. 2007-10-20T11:12:59.36 0.3 undecidable manual Sg 263 69.0753 0.03 69
MN.TUE.HHN. 2007-10-20T11:12:49.57 0.1 undecidable manual Pg 263 69.0753 -0.055 91
CH.DAVOX.HHZ. 2007-10-20T11:12:49.42 0.3 undecidable manual Sg 313 38.0286 -0.155 71
CH.DAVOX.HHZ. 2007-10-20T11:12:44.13 0.1 undecidable manual Pg 313 38.0286 0.135 95
IV.BRMO.BHN. 2007-10-20T11:12:40.65 0.1 undecidable manual Sg 129 12.5763 -0.114 100
IV.BRMO.BHN. 2007-10-20T11:12:39.03 0.1 undecidable manual Pg 129 12.5763 0.127 100
IV.SBPO.BHZ. 2007-10-20T11:12:26.68 10.0 undecidable manual Pg 0 0 0
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