Earthquake with magnitude of Md 2.2 on date 23-04-2000 and time 21:47:21 (UTC) in region 1 km W Castrocaro Terme e Terra del Sole (FC)

A magnitude Md 2.2 earthquake occured in region: 1 km W Castrocaro Terme e Terra del Sole (FC), on

  • 23-04-2000 21:47:21 (UTC)
  • 23-04-2000 23:47:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1830, 11.9360 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
Castrocaro Terme e Terra del Sole FC 1 6426 6426
Dovadola FC 8 1653 8079
Predappio FC 10 6346 14425
Forlì FC 10 117913 132338
Meldola FC 12 9970 142308
Modigliana FC 12 4560 146868
Faenza RA 12 58541 205409
Brisighella RA 14 7639 213048
Rocca San Casciano FC 15 1910 214958
Forlimpopoli FC 15 13290 228248
Bertinoro FC 16 11059 239307
Castel Bolognese RA 19 9554 248861
Tredozio FC 19 1212 250073
Civitella di Romagna FC 20 3786 253859
Riolo Terme RA 20 5720 259579

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Forlì (117913 inhabitants)
12 Km SE of Faenza (58541 inhabitants)
25 Km W of Cesena (96758 inhabitants)
26 Km SE of Imola (69797 inhabitants)
34 Km SW of Ravenna (159116 inhabitants)
52 Km W of Rimini (147750 inhabitants)
59 Km SE of Bologna (386663 inhabitants)
71 Km NE of Firenze (382808 inhabitants)
75 Km E of Prato (191150 inhabitants)
77 Km NE of Scandicci (50609 inhabitants)
77 Km SE of Ferrara (133155 inhabitants)
80 Km N of Arezzo (99543 inhabitants)
84 Km W of Pesaro (94582 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
95 Km W of Fano (60888 inhabitants)
95 Km SE of Modena (184973 inhabitants)
100 Km S of Rovigo (51867 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 2.2 2000-04-23
21:47:21
44.183 11.936 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 388119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-04-23 21:47:21 ± 0.461
Latitude 44.1830 ± 0.0239
Longitude 11.9360 ± 0.0282
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 388119

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) 3476.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 225
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00866
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 388119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:04:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 2000-04-23T21:47:50.78 10.0 undecidable manual SG 128 0.777 1.18 0.1
--.CRE.Z. 2000-04-23T21:47:43.38 10.0 undecidable manual SG 178 0.555 0.73 0.4
--.BDI.Z. 2000-04-23T21:47:41.70 10.0 undecidable manual PG 263 0.9657 0.4 1.3
--.CSNT.Z. 2000-04-23T21:47:39.34 10.0 undecidable manual PG 213 0.8436 0.25 1.6
--.FB9.Z. 2000-04-23T21:47:37.50 10.0 undecidable manual PG 128 0.777 -0.31 1.6
--.CRE.Z. 2000-04-23T21:47:33.31 10.0 undecidable manual PG 178 0.555 -0.48 1.5
--.SFI.Z. 2000-04-23T21:47:33.20 10.0 undecidable manual SG 192 0.2775 0.36 0.7
--.SFI.Z. 2000-04-23T21:47:27.37 10.0 undecidable manual PG 192 0.2775 -0.77 0.8
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