Earthquake with magnitude of ML 1.6 on date 25-06-2006 and time 05:30:45 (UTC) in region 3 km N San Casciano dei Bagni (SI)

A magnitude ML 1.6 earthquake occured in region: 3 km N San Casciano dei Bagni (SI), on

  • 25-06-2006 05:30:45 (UTC)
  • 25-06-2006 07:30:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8950, 11.8680 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Casciano dei Bagni SI 3 1632 1632
Cetona SI 8 2755 4387
Radicofani SI 8 1097 5484
Sarteano SI 11 4717 10201
Fabro TR 12 2876 13077
Allerona TR 13 1794 14871
Città della Pieve PG 13 7712 22583
Chiusi SI 15 8704 31287
Piancastagnaio SI 15 4230 35517
Monteleone d'Orvieto TR 15 1467 36984
Proceno VT 16 557 37541
Abbadia San Salvatore SI 16 6444 43985
Acquapendente VT 17 5506 49491
Ficulle TR 18 1669 51160
Chianciano Terme SI 19 7105 58265
Montegabbione TR 19 1216 59481
Castel Viscardo TR 19 2938 62419
Castell'Azzara GR 19 1476 63895
Parrano TR 20 534 64429
Piegaro PG 20 3669 68098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Perugia (166134 inhabitants)
57 Km NW of Viterbo (67173 inhabitants)
63 Km E of Grosseto (82087 inhabitants)
64 Km S of Arezzo (99543 inhabitants)
64 Km SE of Siena (53903 inhabitants)
69 Km W of Foligno (57155 inhabitants)
74 Km NW 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 2.2
ML 1.6
2006-06-25
05:30:45
42.895 11.868 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 576439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-06-25 05:30:45 ± 0.11
Latitude 42.8950 ± 0.0099
Longitude 11.8680 ± 0.0086
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 576439

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 979
Semi-minor axis of confidence ellipse (meter) 555
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1303.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.91461
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 576439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:03:14

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 576439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:03:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHN. 2006-06-25T05:31:08.27 0.1 undecidable manual Sg 24 74.6697 -0.364 41
IV.NRCA.SHZ. 2006-06-25T05:31:02.53 0.1 undecidable manual Pg 93 101.5206 -0.332 79
IV.SNTG.SHZ. 2006-06-25T05:31:01.99 0.1 undecidable manual Pg 65 95.6376 0.039 85
IV.BADI.EHN. 2006-06-25T05:30:59.24 0.1 undecidable manual Pg 24 74.6697 0.519 80
IV.LATE.HHZ. 2006-06-25T05:30:56.48 0.1 undecidable manual Sg 190 31.6461 0.114 47
IV.ARCI.HHE. 2006-06-25T05:30:56.43 0.1 undecidable manual Sg 262 32.2455 -0.163 47
IV.ARCI.HHE. 2006-06-25T05:30:51.70 0.1 undecidable manual Pg 262 32.2455 -0.07 95
IV.LATE.HHZ. 2006-06-25T05:30:51.76 0.1 undecidable manual Pg 190 31.6461 0.121 94
IV.SACS.HHZ. 2006-06-25T05:30:48.20 0.1 undecidable manual Sg 146 6.0939 -0.02 50
IV.SACS.HHZ. 2006-06-25T05:30:46.88 0.1 positive manual Pg 146 6.0939 -0.054 100
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