Earthquake with magnitude of Md 1.5 on date 29-05-2009 and time 21:19:26 (UTC) in region W Santa Sofia (FC)

A magnitude Md 1.5 earthquake occured in region: W Santa Sofia (FC), on

  • 29-05-2009 21:19:26 (UTC)
  • 29-05-2009 23:19:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9490, 11.9060 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
Santa Sofia FC 0 4136 4136
Galeata FC 5 2516 6652
Civitella di Romagna FC 7 3786 10438
Premilcuore FC 11 799 11237
Bagno di Romagna FC 12 6026 17263
Portico e San Benedetto FC 13 756 18019
Rocca San Casciano FC 14 1910 19929
Predappio FC 18 6346 26275
Verghereto FC 19 1907 28182
Sarsina FC 19 3446 31628
Dovadola FC 19 1653 33281
Tredozio FC 20 1212 34493

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Forlì (117913 inhabitants)
34 Km SW of Cesena (96758 inhabitants)
38 Km S of Faenza (58541 inhabitants)
48 Km SE of Imola (69797 inhabitants)
54 Km N of Arezzo (99543 inhabitants)
54 Km W of Rimini (147750 inhabitants)
56 Km E of Firenze (382808 inhabitants)
57 Km SW of Ravenna (159116 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
65 Km E of Prato (191150 inhabitants)
76 Km SE of Bologna (386663 inhabitants)
79 Km E of Pistoia (90315 inhabitants)
81 Km W of Pesaro (94582 inhabitants)
84 Km NE of Siena (53903 inhabitants)
90 Km W of Fano (60888 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 1.5 2009-05-29
21:19:26
43.949 11.906 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 881649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-29 21:19:26 ± 0.22
Latitude 43.9490 ± 0.0099
Longitude 11.9060 ± 0.0112
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 881649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1328
Semi-minor axis of confidence ellipse (meter) 438
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 1421.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 261
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 881649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:45:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHE. 2009-05-29T21:20:37.13 10.0 undecidable manual Pg 0 0 0
IV.MSSA.HHE. 2009-05-29T21:20:30.67 10.0 undecidable manual Pg 0 0 0
IV.ROM9.HHN. 2009-05-29T21:20:29.47 10.0 undecidable manual Pg 0 0 0
IV.CIGN.HHE. 2009-05-29T21:20:28.11 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2009-05-29T21:19:44.50 10.0 undecidable manual Pg 0 0 0
IV.CRE.HHN. 2009-05-29T21:19:39.77 0.3 undecidable manual Sg 174 36.741 0.074 71
IV.VMG.SHZ. 2009-05-29T21:19:37.22 0.3 undecidable manual Sg 273 28.9488 -0.005 73
IV.CRE.HHN. 2009-05-29T21:19:34.10 0.3 undecidable manual Pg 174 36.741 -0.138 70
IV.VMG.SHZ. 2009-05-29T21:19:32.81 0.3 undecidable manual Pg 273 28.9488 0.002 73
IV.SFI.EHZ. 2009-05-29T21:19:30.38 0.3 undecidable manual Sg 224 6.7932 -0.073 75
IV.AOI.HHZ. 2009-05-29T21:19:30.01 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHZ. 2009-05-29T21:19:28.99 0.1 undecidable manual Pg 224 6.7932 0.089 100
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