Earthquake with magnitude of Md 2.5 on date 04-02-2005 and time 06:30:11 (Italy) in region 4 km E Brisighella (RA)

A magnitude Md 2.5 earthquake occured in region: 4 km E Brisighella (RA), on

  • 04-02-2005 05:30:11 (UTC)
  • 04-02-2005 06:30:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2170, 11.8160 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
Brisighella RA 4 7639 7639
Modigliana FC 7 4560 12199
Faenza RA 9 58541 70740
Riolo Terme RA 10 5720 76460
Castel Bolognese RA 12 9554 86014
Castrocaro Terme e Terra del Sole FC 12 6426 92440
Dovadola FC 12 1653 94093
Casola Valsenio RA 15 2617 96710
Tredozio FC 16 1212 97922
Solarolo RA 16 4488 102410
Imola BO 17 69797 172207
Rocca San Casciano FC 17 1910 174117
Forlì FC 18 117913 292030
Casalfiumanese BO 18 3438 295468
Predappio FC 18 6346 301814
Borgo Tossignano BO 19 3288 305102
Bagnara di Romagna RA 19 2429 307531

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SW of Faenza (58541 inhabitants)
17 Km SE of Imola (69797 inhabitants)
18 Km W of Forlì (117913 inhabitants)
35 Km W of Cesena (96758 inhabitants)
38 Km SW of Ravenna (159116 inhabitants)
49 Km SE of Bologna (386663 inhabitants)
62 Km W of Rimini (147750 inhabitants)
67 Km NE of Firenze (382808 inhabitants)
68 Km NE of Prato (191150 inhabitants)
71 Km S of Ferrara (133155 inhabitants)
72 Km NE of Scandicci (50609 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
84 Km N of Arezzo (99543 inhabitants)
85 Km SE of Modena (184973 inhabitants)
94 Km W of Pesaro (94582 inhabitants)
95 Km S of Rovigo (51867 inhabitants)
97 Km SE of Carpi (70699 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 2.5
ML-VAX 1.9
2005-02-04
05:30:11
44.217 11.816 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 511579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-02-04 05:30:11 ± 0.453
Latitude 44.2170 ± 0.0213
Longitude 11.8160 ± 0.0208
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 511579

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) 2895.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00947
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 511579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:10:43

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 511579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 2005-02-04T05:30:34.26 10.0 undecidable manual SG 170 0.5994 0.02 0.7
--.PII.Z. 2005-02-04T05:30:32.53 10.0 undecidable manual PG 242 1.0545 -0.59 0.5
--.FSSB.Z. 2005-02-04T05:30:29.60 10.0 undecidable manual PG 126 0.8658 -0.1 1.4
--.SEI.Z. 2005-02-04T05:30:26.68 10.0 undecidable manual SG 243 0.3552 0.56 0.3
--.ZCCA.Z. 2005-02-04T05:30:25.77 10.0 undecidable manual PG 282 0.6105 0.77 0.4
--.CRE.Z. 2005-02-04T05:30:24.80 10.0 undecidable manual PG 170 0.5994 -0.01 1.8
--.SFI.Z. 2005-02-04T05:30:24.93 10.0 undecidable manual SG 175 0.3108 0.82 0.1
--.SFI.Z. 2005-02-04T05:30:19.00 10.0 undecidable manual PG 175 0.3108 0.04 1.9
--.SEI.Z. 2005-02-04T05:30:19.60 10.0 undecidable manual PG 243 0.3552 -0.52 1
--.VMG.Z. 2005-02-04T05:30:18.99 10.0 undecidable manual PG 217 0.3108 -0.14 1.8
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