Earthquake with magnitude of Md 2.3 on date 12-02-2001 and time 20:01:32 (Italy) in region 5 km E Forlimpopoli (FC)

A magnitude Md 2.3 earthquake occured in region: 5 km E Forlimpopoli (FC), on

  • 12-02-2001 19:01:32 (UTC)
  • 12-02-2001 20:01:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1810, 12.1870 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 5 13290 13290
Bertinoro FC 5 11059 24349
Cesena FC 7 96758 121107
Meldola FC 12 9970 131077
Forlì FC 13 117913 248990
Gambettola FC 14 10660 259650
Montiano FC 14 1716 261366
Cervia RA 16 28940 290306
Longiano FC 16 7126 297432
Cesenatico FC 17 25796 323228
Gatteo FC 18 9068 332296
Predappio FC 19 6346 338642
Roncofreddo FC 19 3386 342028
Castrocaro Terme e Terra del Sole FC 19 6426 348454
Savignano sul Rubicone FC 20 17766 366220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Cesena (96758 inhabitants)
13 Km E of Forlì (117913 inhabitants)
26 Km S of Ravenna (159116 inhabitants)
27 Km E of Faenza (58541 inhabitants)
33 Km W of Rimini (147750 inhabitants)
42 Km E of Imola (69797 inhabitants)
65 Km W of Pesaro (94582 inhabitants)
76 Km E of Bologna (386663 inhabitants)
77 Km W of Fano (60888 inhabitants)
83 Km NE of Arezzo (99543 inhabitants)
86 Km SE of Ferrara (133155 inhabitants)
87 Km NE of Firenze (382808 inhabitants)
93 Km NE of Scandicci (50609 inhabitants)
93 Km E of Prato (191150 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 2001-02-12
19:01:32
44.181 12.187 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 410819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-02-12 19:01:32 ± 0.926
Latitude 44.1810 ± 0.0459
Longitude 12.1870 ± 0.0264
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 410819

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) 5524.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 275
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00526
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 410819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:26:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 2001-02-12T19:01:53.57 10.0 undecidable manual SG 197 0.5883 -0.74 0.3
--.PGD.Z. 2001-02-12T19:01:50.38 10.0 undecidable manual SG 227 0.444 0.34 0.7
--.SFI.Z. 2001-02-12T19:01:48.10 10.0 undecidable manual SG 221 0.3663 1.16 0.1
--.RSM.Z. 2001-02-12T19:01:44.38 10.0 undecidable manual SG 143 0.3108 -0.52 0.6
--.CRE.Z. 2001-02-12T19:01:44.58 10.0 undecidable manual PG 197 0.5883 -0.57 1.1
--.PGD.Z. 2001-02-12T19:01:42.49 10.0 undecidable manual PG 227 0.444 -0.19 2
--.SFI.Z. 2001-02-12T19:01:40.78 10.0 undecidable manual PG 221 0.3663 -0.1 2.2
--.RSM.Z. 2001-02-12T19:01:40.47 10.0 undecidable manual PG 143 0.3108 0.75 0.9
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