Earthquake with magnitude of Md 2.0 on date 24-08-2003 and time 17:09:09 (UTC) in region 1 km N Santa Sofia (FC)

A magnitude Md 2.0 earthquake occured in region: 1 km N Santa Sofia (FC), on

  • 24-08-2003 17:09:09 (UTC)
  • 24-08-2003 19:09:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9570, 11.9060 at 10 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 1 4136 4136
Galeata FC 5 2516 6652
Civitella di Romagna FC 6 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 13 1910 19929
Predappio FC 17 6346 26275
Dovadola FC 19 1653 27928
Tredozio FC 19 1212 29140
Sarsina FC 19 3446 32586
Verghereto FC 20 1907 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)
37 Km S of Faenza (58541 inhabitants)
47 Km SE of Imola (69797 inhabitants)
54 Km W of Rimini (147750 inhabitants)
55 Km N of Arezzo (99543 inhabitants)
56 Km E of Firenze (382808 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
65 Km E of Prato (191150 inhabitants)
75 Km SE of Bologna (386663 inhabitants)
79 Km E of Pistoia (90315 inhabitants)
81 Km W of Pesaro (94582 inhabitants)
85 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 2.0 2003-08-24
17:09:09
43.957 11.906 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 483219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-08-24 17:09:09 ± 0.219
Latitude 43.9570 ± 0.0143
Longitude 11.9060 ± 0.0131
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 483219

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1902.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 250
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00364
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 483219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:40:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SEI.Z. 2003-08-24T17:09:25.13 10.0 undecidable manual SG 284 0.3996 0.36 0
--.CRE.Z. 2003-08-24T17:09:22.26 10.0 undecidable manual SG 174 0.333 -0.34 0.1
--.VMG.Z. 2003-08-24T17:09:20.13 10.0 undecidable manual SG 271 0.2553 0.01 0.6
--.SEI.Z. 2003-08-24T17:09:18.20 10.0 undecidable manual PG 284 0.3996 -0.23 0.4
--.CRE.Z. 2003-08-24T17:09:17.42 10.0 undecidable manual PG 174 0.333 0.23 0.5
--.PGD.Z. 2003-08-24T17:09:16.73 10.0 undecidable manual SG 238 0.1554 0.05 0.6
--.VMG.Z. 2003-08-24T17:09:15.67 10.0 undecidable manual PG 271 0.2553 -0.08 1.4
--.SFI.Z. 2003-08-24T17:09:13.80 10.0 undecidable manual SG 218 0.0666 -0.24 0.2
--.PGD.Z. 2003-08-24T17:09:13.80 10.0 positive manual PG 238 0.1554 0.04 3.1
--.SFI.Z. 2003-08-24T17:09:12.27 10.0 positive manual PG 218 0.0666 0.03 3.1
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