Earthquake with magnitude of ML 1.1 on date 27-06-2008 and time 09:18:29 (Italy) in region 5 km W San Casciano dei Bagni (SI)

A magnitude ML 1.1 earthquake occured in region: 5 km W San Casciano dei Bagni (SI), on

  • 27-06-2008 07:18:29 (UTC)
  • 27-06-2008 09:18:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 11.8240 at 22 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 5 1632 1632
Radicofani SI 7 1097 2729
Proceno VT 11 557 3286
Piancastagnaio SI 11 4230 7516
Abbadia San Salvatore SI 12 6444 13960
Acquapendente VT 13 5506 19466
Allerona TR 13 1794 21260
Castell'Azzara GR 14 1476 22736
Cetona SI 14 2755 25491
Fabro TR 16 2876 28367
Sarteano SI 16 4717 33084
Onano VT 18 995 34079
Castel Viscardo TR 18 2938 37017
Città della Pieve PG 19 7712 44729
Santa Fiora GR 20 2622 47351
San Lorenzo Nuovo VT 20 2091 49442
Monteleone d'Orvieto TR 20 1467 50909
Ficulle TR 20 1669 52578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NW of Viterbo (67173 inhabitants)
54 Km SW of Perugia (166134 inhabitants)
59 Km E of Grosseto (82087 inhabitants)
65 Km SE of Siena (53903 inhabitants)
68 Km S of Arezzo (99543 inhabitants)
73 Km W of Foligno (57155 inhabitants)
75 Km W of Terni (111501 inhabitants)
85 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 2.1
ML 1.1
2008-06-27
07:18:29
42.854 11.824 22 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 699459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-06-27 07:18:29 ± 0.08
Latitude 42.8540 ± 0.0054
Longitude 11.8240 ± 0.0037
Depth (km) 22 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 699459

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 251
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24102
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:1.1

Field Value
Value 1.1
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 699459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:14:56

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 699459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:14:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2008-06-27T07:18:39.28 0.3 undecidable manual Sg 74 24.2535 0.017 73
IV.SACS.HHZ. 2008-06-27T07:18:36.38 0.6 undecidable manual Sg 95 6.993 -0.023 50
IV.LATE.HHZ. 2008-06-27T07:18:35.34 0.6 undecidable manual Pg 183 26.751 0 49
IV.MGAB.HHZ. 2008-06-27T07:18:35.01 0.1 undecidable manual Pg 74 24.2535 -0.02 97
IV.SACS.HHZ. 2008-06-27T07:18:33.40 0.1 undecidable manual Pg 95 6.993 0.021 100
IV.MOCO.HHE. 2008-06-27T07:18:32.70 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