Earthquake with magnitude of ML 1.2 on date 13-02-2009 and time 08:40:08 (Italy) in region 7 km SE Pieve Santo Stefano (AR)

A magnitude ML 1.2 earthquake occured in region: 7 km SE Pieve Santo Stefano (AR), on

  • 13-02-2009 07:40:08 (UTC)
  • 13-02-2009 08:40:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6180, 12.0840 at 8 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
Pieve Santo Stefano AR 7 3183 3183
Sansepolcro AR 7 15884 19067
Caprese Michelangelo AR 8 1426 20493
Anghiari AR 9 5638 26131
San Giustino PG 11 11297 37428
Badia Tedalda AR 13 1087 38515
Citerna PG 14 3531 42046
Monterchi AR 15 1757 43803
Chiusi della Verna AR 15 2023 45826
Chitignano AR 17 899 46725
Borgo Pace PU 18 606 47331
Subbiano AR 18 6331 53662
Capolona AR 19 5438 59100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Arezzo (99543 inhabitants)
59 Km S of Cesena (96758 inhabitants)
62 Km NW of Perugia (166134 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
67 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
69 Km E of Siena (53903 inhabitants)
74 Km W of Pesaro (94582 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
76 Km S of Faenza (58541 inhabitants)
79 Km W of Fano (60888 inhabitants)
84 Km E of Prato (191150 inhabitants)
87 Km SE of Imola (69797 inhabitants)
89 Km NW of Foligno (57155 inhabitants)
90 Km S of Ravenna (159116 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 1.2
ML 1.2
2009-02-13
07:40:08
43.618 12.084 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 743569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-13 07:40:08 ± 0.24
Latitude 43.6180 ± 0.0944
Longitude 12.0840 ± 0.0199
Depth (km) 9 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 743569

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 10597
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 10621.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33635
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:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 743569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:44

Md:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 743569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHE. 2009-02-13T07:40:21.29 0.3 undecidable manual Sg 104 37.3293 0.1 71
IV.PIEI.HHE. 2009-02-13T07:40:15.52 0.3 undecidable manual Pg 104 37.3293 -0.175 70
IV.PARC.HHE. 2009-02-13T07:40:13.48 0.3 undecidable manual Sg 75 12.876 -0.056 75
IV.CRE.HHZ. 2009-02-13T07:40:12.88 0.3 undecidable manual Sg 270 10.6782 -0.038 75
IV.PARC.HHE. 2009-02-13T07:40:11.35 0.1 undecidable manual Pg 75 12.876 0.073 99
IV.CRE.HHZ. 2009-02-13T07:40:10.97 0.1 undecidable manual Pg 270 10.6782 0.05 100
IV.PRMA.HHN. 2009-02-13T07:38:55.08 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