Earthquake with magnitude of Md 2.3 on date 13-02-2001 and time 20:40:25 (Italy) in region 11 km NE Forlimpopoli (FC)

A magnitude Md 2.3 earthquake occured in region: 11 km NE Forlimpopoli (FC), on

  • 13-02-2001 19:40:25 (UTC)
  • 13-02-2001 20:40:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2810, 12.1830 at 5 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
Forlimpopoli FC 11 13290 13290
Forlì FC 13 117913 131203
Cervia RA 14 28940 160143
Bertinoro FC 15 11059 171202
Ravenna RA 15 159116 330318
Russi RA 16 12247 342565
Cesena FC 17 96758 439323
Cesenatico FC 19 25796 465119
Meldola FC 20 9970 475089

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Forlì (117913 inhabitants)
15 Km S of Ravenna (159116 inhabitants)
17 Km NW of Cesena (96758 inhabitants)
24 Km E of Faenza (58541 inhabitants)
38 Km E of Imola (69797 inhabitants)
39 Km NW of Rimini (147750 inhabitants)
71 Km E of Bologna (386663 inhabitants)
71 Km NW of Pesaro (94582 inhabitants)
76 Km SE of Ferrara (133155 inhabitants)
83 Km NW of Fano (60888 inhabitants)
93 Km NE of Firenze (382808 inhabitants)
93 Km SE of Rovigo (51867 inhabitants)
94 Km N of Arezzo (99543 inhabitants)
97 Km E of Prato (191150 inhabitants)
99 Km NE of Scandicci (50609 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 2.3 2001-02-13
19:40:25
44.281 12.183 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 410869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-02-13 19:40:25 ± 0.448
Latitude 44.2810 ± 0.0220
Longitude 12.1830 ± 0.0116
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 410869

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) 2616.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
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) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.00648
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 410869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:26:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 2001-02-13T19:40:51.95 10.0 undecidable manual SG 143 0.7215 0.06 0.6
--.CRE.Z. 2001-02-13T19:40:50.59 10.0 undecidable manual SG 194 0.6771 0.16 0.6
--.PGD.Z. 2001-02-13T19:40:45.48 10.0 undecidable manual SG 219 0.5217 0.11 0.7
--.SFI.Z. 2001-02-13T19:40:42.41 10.0 undecidable manual SG 212 0.444 -0.49 0.2
--.FB9.Z. 2001-02-13T19:40:40.50 10.0 undecidable manual PG 143 0.7215 -0.31 0.9
--.CRE.Z. 2001-02-13T19:40:39.90 10.0 undecidable manual PG 194 0.6771 -0.07 1.6
--.PGD.Z. 2001-02-13T19:40:37.53 10.0 undecidable manual PG 219 0.5217 0.48 0.4
--.SFI.Z. 2001-02-13T19:40:35.30 10.0 undecidable manual PG 212 0.444 -0.33 0.9
--.RSM.Z. 2001-02-13T19:40:34.79 10.0 positive manual PG 151 0.3996 0.13 3.2
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