Earthquake with magnitude of Md 2.4 on date 07-10-2001 and time 06:05:18 (Italy) in region 5 km SW Santa Sofia (FC)

A magnitude Md 2.4 earthquake occured in region: 5 km SW Santa Sofia (FC), on

  • 07-10-2001 04:05:18 (UTC)
  • 07-10-2001 06:05:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9060, 11.8730 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 6 4136 4136
Bagno di Romagna FC 10 6026 10162
Galeata FC 11 2516 12678
Premilcuore FC 11 799 13477
Civitella di Romagna FC 13 3786 17263
Portico e San Benedetto FC 15 756 18019
Verghereto FC 16 1907 19926
Rocca San Casciano FC 18 1910 21836
Pratovecchio Stia AR 18 5845 27681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Forlì (117913 inhabitants)
39 Km SW of Cesena (96758 inhabitants)
42 Km S of Faenza (58541 inhabitants)
49 Km N of Arezzo (99543 inhabitants)
51 Km S of Imola (69797 inhabitants)
52 Km E of Firenze (382808 inhabitants)
58 Km E of Scandicci (50609 inhabitants)
58 Km W of Rimini (147750 inhabitants)
62 Km E of Prato (191150 inhabitants)
63 Km SW of Ravenna (159116 inhabitants)
77 Km E of Pistoia (90315 inhabitants)
78 Km SE of Bologna (386663 inhabitants)
78 Km NE of Siena (53903 inhabitants)
83 Km W of Pesaro (94582 inhabitants)
92 Km W of Fano (60888 inhabitants)
98 Km NW of Perugia (166134 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 2.4 2001-10-07
04:05:18
43.906 11.873 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 428669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-10-07 04:05:18 ± 0.213
Latitude 43.9060 ± 0.0241
Longitude 11.8730 ± 0.0189
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 428669

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) 3081.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00016
Epicentral distance of station farthest from the epicenter (degree) 0.00615
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 428669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:44:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FSSB.Z. 2001-10-07T04:05:32.31 10.0 undecidable manual PG 107 0.6882 0.1 0.8
--.CSNT.Z. 2001-10-07T04:05:30.40 10.0 undecidable manual PG 224 0.5994 -0.28 0.5
--.CRE.Z. 2001-10-07T04:05:30.57 10.0 undecidable manual SG 168 0.2886 0.8 0
--.RSM.Z. 2001-10-07T04:05:27.31 10.0 undecidable manual PG 86 0.4107 0.09 1.1
--.CRE.Z. 2001-10-07T04:05:24.64 10.0 positive manual PG 168 0.2886 -0.25 1.8
--.PGD.Z. 2001-10-07T04:05:23.31 10.0 undecidable manual SG 254 0.111 -0.19 0.4
--.SFI.Z. 2001-10-07T04:05:21.16 10.0 undecidable manual SG 265 0.0222 -0.11 0.5
--.PGD.Z. 2001-10-07T04:05:21.59 10.0 positive manual PG 254 0.111 0.32 1.4
--.SFI.Z. 2001-10-07T04:05:19.86 10.0 positive manual PG 265 0.0222 -0.12 2.5
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