Earthquake with magnitude of ML 1.7 on date 13-02-2009 and time 08:11:22 (Italy) in region 4 km SE Pieve Santo Stefano (AR)

A magnitude ML 1.7 earthquake occured in region: 4 km SE Pieve Santo Stefano (AR), on

  • 13-02-2009 07:11:22 (UTC)
  • 13-02-2009 08:11:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6530, 12.0820 at 9 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 4 3183 3183
Caprese Michelangelo AR 8 1426 4609
Sansepolcro AR 10 15884 20493
Badia Tedalda AR 10 1087 21580
Anghiari AR 13 5638 27218
Chiusi della Verna AR 13 2023 29241
San Giustino PG 14 11297 40538
Chitignano AR 16 899 41437
Casteldelci RN 17 407 41844
Verghereto FC 17 1907 43751
Borgo Pace PU 17 606 44357
Citerna PG 17 3531 47888
Sestino AR 19 1355 49243
Monterchi AR 19 1757 51000
Subbiano AR 19 6331 57331
Castel Focognano AR 20 3149 60480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
55 Km S of Cesena (96758 inhabitants)
60 Km SW of Rimini (147750 inhabitants)
64 Km S of Forlì (117913 inhabitants)
66 Km NW of Perugia (166134 inhabitants)
68 Km E of Firenze (382808 inhabitants)
71 Km NE of Siena (53903 inhabitants)
72 Km S of Faenza (58541 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
78 Km W of Fano (60888 inhabitants)
83 Km E of Prato (191150 inhabitants)
83 Km SE of Imola (69797 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
92 Km NW of Foligno (57155 inhabitants)
99 Km E of Pistoia (90315 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 1.6
ML 1.7
2009-02-13
07:11:22
43.653 12.082 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 743529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-13 07:11:22 ± 0.08
Latitude 43.6530 ± 0.0072
Longitude 12.0820 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 743529

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 777
Semi-minor axis of confidence ellipse (meter) 188
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 894.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 743529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:41

Md:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 743529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.SHZ. 2009-02-13T07:11:38.18 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-02-13T07:11:35.93 0.3 undecidable manual Sg 109 38.628 -0.021 72
IV.SFI.EHE. 2009-02-13T07:11:34.80 0.6 undecidable manual Sg 326 33.744 0.162 47
IV.PIEI.HHE. 2009-02-13T07:11:30.05 0.3 undecidable manual Pg 109 38.628 -0.307 67
IV.BADI.EHZ. 2009-02-13T07:11:30.54 0.3 undecidable manual Sg 141 20.5683 0.043 74
IV.FSSB.HHZ. 2009-02-13T07:11:30.12 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-02-13T07:11:30.20 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHE. 2009-02-13T07:11:29.61 0.6 undecidable manual Pg 326 33.744 0.008 48
IV.BADI.EHZ. 2009-02-13T07:11:27.54 0.3 undecidable manual Pg 141 20.5683 0.33 69
IV.CRE.HHZ. 2009-02-13T07:11:27.51 0.3 undecidable manual Sg 250 11.0778 -0.172 73
IV.PARC.HHN. 2009-02-13T07:11:27.93 0.3 undecidable manual Sg 92 12.5763 -0.153 73
IV.CRE.HHZ. 2009-02-13T07:11:25.61 0.1 undecidable manual Pg 250 11.0778 0.025 100
IV.PARC.HHN. 2009-02-13T07:11:25.95 0.3 undecidable manual Pg 92 12.5763 0.134 73
IV.CRAC.EHZ. 2009-02-13T07:11:24.10 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2009-02-13T07:11:23.20 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