Earthquake with magnitude of ML 2.0 on date 28-01-2006 and time 17:25:35 (UTC) in region 1 km NW Abbadia San Salvatore (SI)

A magnitude ML 2.0 earthquake occured in region: 1 km NW Abbadia San Salvatore (SI), on

  • 28-01-2006 17:25:35 (UTC)
  • 28-01-2006 18:25:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 11.6710 at 5 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
Abbadia San Salvatore SI 1 6444 6444
Piancastagnaio SI 4 4230 10674
Radicofani SI 8 1097 11771
Santa Fiora GR 9 2622 14393
Seggiano GR 10 961 15354
Castel del Piano GR 11 4690 20044
Arcidosso GR 11 4285 24329
Castell'Azzara GR 13 1476 25805
Castiglione d'Orcia SI 14 2346 28151
San Casciano dei Bagni SI 17 1632 29783
Roccalbegna GR 17 1044 30827
Proceno VT 19 557 31384
Sarteano SI 20 4717 36101

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Grosseto (82087 inhabitants)
55 Km SE of Siena (53903 inhabitants)
63 Km NW of Viterbo (67173 inhabitants)
63 Km W of Perugia (166134 inhabitants)
67 Km S of Arezzo (99543 inhabitants)
85 Km W of Foligno (57155 inhabitants)
88 Km W of Terni (111501 inhabitants)
89 Km N of Civitavecchia (52991 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 1.7
ML 2.0
2006-01-28
17:25:35
42.886 11.671 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 551349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-01-28 17:25:35 ± 0.14
Latitude 42.8860 ± 0.0180
Longitude 11.6710 ± 0.0098
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 551349

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2053
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 348
Circular confidence region, given by single value of horizontal uncertainty (meter) 2154.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 551349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:37:11

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 551349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:37:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.BHZ. 2006-01-28T17:26:04.28 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2006-01-28T17:26:00.72 0.3 undecidable manual Sg 59 80.8635 -0.524 30
IV.BADI.EHZ. 2006-01-28T17:25:51.45 0.3 undecidable manual Pg 34 83.25 0.554 59
IV.MURB.HHN. 2006-01-28T17:25:50.26 0.1 undecidable manual Pg 59 80.8635 -0.253 84
IV.GIUL.BHN. 2006-01-28T17:25:47.68 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHZ. 2006-01-28T17:25:43.27 0.6 undecidable manual Sg 102 19.869 0.319 23
IV.ARCI.HHZ. 2006-01-28T17:25:41.73 0.1 undecidable manual Sg 257 16.3725 -0.062 49
IV.ARCI.HHZ. 2006-01-28T17:25:39.28 0.1 undecidable manual Pg 257 16.3725 -0.003 100
IV.SACS.HHZ. 2006-01-28T17:25:39.96 0.3 undecidable manual Pg 102 19.869 0.007 74
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