Earthquake with magnitude of Md 2.2 on date 26-01-2004 and time 00:27:58 (Italy) in region 2 km NW Calderara di Reno (BO)

A magnitude Md 2.2 earthquake occured in region: 2 km NW Calderara di Reno (BO), on

  • 25-01-2004 23:27:58 (UTC)
  • 26-01-2004 00:27:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5770, 11.2570 at 10 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
Calderara di Reno BO 2 13196 13196
Anzola dell'Emilia BO 6 12267 25463
Sala Bolognese BO 6 8353 33816
Castel Maggiore BO 9 18231 52047
San Giovanni in Persiceto BO 9 27982 80029
Zola Predosa BO 10 18770 98799
Argelato BO 10 9844 108643
Casalecchio di Reno BO 11 36327 144970
Bologna BO 11 386663 531633
Castello d'Argile BO 12 6550 538183
San Giorgio di Piano BO 12 8512 546695
Sant'Agata Bolognese BO 14 7291 553986
Monte San Pietro BO 14 10982 564968
Bentivoglio BO 14 5469 570437
Granarolo dell'Emilia BO 15 11910 582347
Valsamoggia BO 16 30561 612908
Pieve di Cento BO 16 7019 619927
Castelfranco Emilia MO 16 32677 652604
San Lazzaro di Savena BO 17 32065 684669
Cento FE 17 35686 720355
San Cesario sul Panaro MO 18 6407 726762
San Pietro in Casale BO 18 12202 738964
Castenaso BO 18 14925 753889
Crevalcore BO 18 13465 767354
Spilamberto MO 19 12621 779975
Minerbio BO 19 8793 788768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Bologna (386663 inhabitants)
27 Km E of Modena (184973 inhabitants)
37 Km SE of Carpi (70699 inhabitants)
41 Km SW of Ferrara (133155 inhabitants)
44 Km NW of Imola (69797 inhabitants)
51 Km E of Reggio nell'Emilia (171345 inhabitants)
59 Km NW of Faenza (58541 inhabitants)
69 Km SW of Rovigo (51867 inhabitants)
74 Km NW of Forlì (117913 inhabitants)
76 Km NE of Pistoia (90315 inhabitants)
77 Km W of Ravenna (159116 inhabitants)
78 Km E of Parma (192836 inhabitants)
78 Km N of Prato (191150 inhabitants)
90 Km N of Firenze (382808 inhabitants)
91 Km N of Scandicci (50609 inhabitants)
92 Km NW of Cesena (96758 inhabitants)
98 Km S of Verona (258765 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
ML-VAX 1.5
2004-01-25
23:27:58
44.577 11.257 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 492429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-01-25 23:27:58 ± 0.468
Latitude 44.5770 ± 0.0256
Longitude 11.2570 ± 0.0191
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 492429

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) 3225.0
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 10
Number of defining phases 10
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) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00712
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 492429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:50:05

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 492429
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
--.SFI.Z. 2004-01-25T23:28:25.46 10.0 undecidable manual SG 147 0.7881 -0.07 0.7
--.BDI.Z. 2004-01-25T23:28:21.90 10.0 undecidable manual SG 222 0.6882 -0.53 0.2
--.VMG.Z. 2004-01-25T23:28:20.42 10.0 undecidable manual SG 161 0.6438 -0.41 0.4
--.SEI.Z. 2004-01-25T23:28:17.36 10.0 undecidable manual SG 171 0.5217 0.4 0.4
--.PGD.Z. 2004-01-25T23:28:13.71 10.0 undecidable manual PG 154 0.777 0.11 1.8
--.SFI.Z. 2004-01-25T23:28:13.74 10.0 undecidable manual PG 147 0.7881 -0.2 1.3
--.BDI.Z. 2004-01-25T23:28:12.60 10.0 undecidable manual PG 222 0.6882 -0.09 1.7
--.VMG.Z. 2004-01-25T23:28:11.80 10.0 undecidable manual PG 161 0.6438 -0.15 1.6
--.SEI.Z. 2004-01-25T23:28:09.23 10.0 undecidable manual PG 171 0.5217 0.23 1.7
--.FNVD.Z. 2004-01-25T23:28:07.70 10.0 undecidable manual PG 193 0.4107 0.7 0.3
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