Earthquake with magnitude of Md 2.1 on date 28-03-1996 and time 09:45:31 (Italy) in region 1 km SW Castel Maggiore (BO)

A magnitude Md 2.1 earthquake occured in region: 1 km SW Castel Maggiore (BO), on

  • 28-03-1996 08:45:31 (UTC)
  • 28-03-1996 09:45:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5660, 11.3590 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
Castel Maggiore BO 1 18231 18231
Calderara di Reno BO 7 13196 31427
Granarolo dell'Emilia BO 7 11910 43337
Bologna BO 8 386663 430000
Argelato BO 9 9844 439844
Bentivoglio BO 9 5469 445313
San Giorgio di Piano BO 9 8512 453825
Sala Bolognese BO 10 8353 462178
Castenaso BO 11 14925 477103
Casalecchio di Reno BO 11 36327 513430
San Lazzaro di Savena BO 11 32065 545495
Minerbio BO 13 8793 554288
Anzola dell'Emilia BO 13 12267 566555
Zola Predosa BO 14 18770 585325
Castello d'Argile BO 14 6550 591875
Budrio BO 14 18412 610287
San Giovanni in Persiceto BO 16 27982 638269
San Pietro in Casale BO 16 12202 650471
Ozzano dell'Emilia BO 16 13596 664067
Baricella BO 17 6951 671018
Pieve di Cento BO 17 7019 678037
Monte San Pietro BO 17 10982 689019
Cento FE 19 35686 724705
Pianoro BO 20 17460 742165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Bologna (386663 inhabitants)
35 Km E of Modena (184973 inhabitants)
37 Km SW of Ferrara (133155 inhabitants)
37 Km NW of Imola (69797 inhabitants)
45 Km SE of Carpi (70699 inhabitants)
52 Km NW of Faenza (58541 inhabitants)
59 Km E of Reggio nell'Emilia (171345 inhabitants)
66 Km SW of Rovigo (51867 inhabitants)
66 Km NW of Forlì (117913 inhabitants)
69 Km W of Ravenna (159116 inhabitants)
79 Km NE of Pistoia (90315 inhabitants)
79 Km N of Prato (191150 inhabitants)
85 Km NW of Cesena (96758 inhabitants)
86 Km E of Parma (192836 inhabitants)
89 Km N of Firenze (382808 inhabitants)
91 Km N 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 2.1
ML-VAX 1.5
1996-03-28
08:45:31
44.566 11.359 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 243099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-03-28 08:45:31 ± 0.735
Latitude 44.5660 ± 0.0430
Longitude 11.3590 ± 0.0268
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 243099

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) 5229.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00931
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 243099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:50:05

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 243099
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. 1996-03-28T08:46:04.00 10.0 undecidable manual SN! 155 1.0323 -2.13 0
--.PGD.Z. 1996-03-28T08:45:56.50 10.0 undecidable manual SG 158 0.7326 -0.08 0.7
--.CRE.Z. 1996-03-28T08:45:51.41 10.0 undecidable manual PN 155 1.0323 0.12 1.4
--.PGD.Z. 1996-03-28T08:45:46.91 10.0 undecidable manual PG 158 0.7326 1.14 0.4
--.BDI.Z. 1996-03-28T08:45:45.94 10.0 undecidable manual PG 227 0.7326 0.09 1.7
--.SFI.Z. 1996-03-28T08:45:45.00 10.0 undecidable manual PG 151 0.7437 -0.97 0.5
--.ZC9.Z. 1996-03-28T08:45:44.80 10.0 undecidable manual SG 231 0.3441 0.07 0.7
--.ZC9.Z. 1996-03-28T08:45:38.34 10.0 undecidable manual PG 231 0.3441 -0.17 1.7
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