Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 05-12-2010 and time 09:21:16 (Italy) in region 6 km E Monterenzio (BO)

A magnitude ML 2.3 earthquake occured in region: 6 km E Monterenzio (BO), on

  • 05-12-2010 08:21:16 (UTC)
  • 05-12-2010 09:21:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3430, 11.4730 at 27 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monterenzio BO 6 6035 6035
Castel San Pietro Terme BO 11 20811 26846
Pianoro BO 11 17460 44306
Ozzano dell'Emilia BO 11 13596 57902
Fontanelice BO 12 1943 59845
Borgo Tossignano BO 12 3288 63133
Casalfiumanese BO 13 3438 66571
Dozza BO 13 6652 73223
Loiano BO 14 4294 77517
Castel del Rio BO 15 1246 78763
San Lazzaro di Savena BO 15 32065 110828
Monzuno BO 18 6328 117156
Casola Valsenio RA 18 2617 119773
Monghidoro BO 18 3749 123522
Castenaso BO 19 14925 138447
Sasso Marconi BO 19 14735 153182
Castel Guelfo di Bologna BO 19 4455 157637
Imola BO 19 69797 227434
Bologna BO 20 386663 614097

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Imola (69797 inhabitants)
20 Km SE of Bologna (386663 inhabitants)
33 Km W of Faenza (58541 inhabitants)
47 Km W of Forlì (117913 inhabitants)
55 Km SE of Modena (184973 inhabitants)
56 Km S of Ferrara (133155 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
59 Km NE of Prato (191150 inhabitants)
63 Km NE of Pistoia (90315 inhabitants)
66 Km W of Cesena (96758 inhabitants)
66 Km N of Firenze (382808 inhabitants)
68 Km SE of Carpi (70699 inhabitants)
69 Km NE of Scandicci (50609 inhabitants)
78 Km SE of Reggio nell'Emilia (171345 inhabitants)
85 Km SW of Rovigo (51867 inhabitants)
93 Km W of Rimini (147750 inhabitants)
95 Km NE of Lucca (89046 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 2.3 		2010-12-05
08:21:16		 44.343 11.473 27 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1149259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-05 08:21:16 ± 0.34
Latitude 44.3430 ± 0.0099
Longitude 11.4730 ± 0.0226
Depth (km) 27 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1149259

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1531
Semi-minor axis of confidence ellipse (meter) 915
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 2109.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.62
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59085
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.8
Num. used stations
Type of magnitude ML
Reference to an origin 1149259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:20:56

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1149259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:20:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASQU.HHN. 2010-12-05T08:21:37.89 0.6 undecidable manual Sg 157 65.5899 0.724 41
IV.SFI.EHZ. 2010-12-05T08:21:35.54 0.6 undecidable manual Sg 148 56.9985 0.558 45
IV.VMG.SHZ. 2010-12-05T08:21:31.42 0.6 undecidable manual Sg 172 42.624 -0.033 52
IV.CMPO.HHN. 2010-12-05T08:21:29.56 0.3 undecidable manual Sg 45 37.3293 -0.652 67
IV.ASQU.HHN. 2010-12-05T08:21:28.00 0.3 undecidable manual Pg 157 65.5899 -0.455 68
IV.IMOL.EHZ. 2010-12-05T08:21:27.35 0.3 undecidable manual Sg 85 21.4674 0.45 73
IV.SFI.EHZ. 2010-12-05T08:21:26.71 0.3 undecidable manual Pg 148 56.9985 -0.482 68
IV.CMPO.HHN. 2010-12-05T08:21:25.22 0.3 undecidable manual Pg 45 37.3293 0.781 63
IV.ZCCA.HHE. 2010-12-05T08:21:25.27 0.3 undecidable manual Pg 272 39.3273 0.557 69
IV.MTRZ.HHN. 2010-12-05T08:21:25.04 0.6 undecidable manual Sg 229 4.995 0.185 53
IV.VMG.SHZ. 2010-12-05T08:21:24.88 0.3 undecidable manual Pg 172 42.624 -0.276 74
IV.FIU.EHE. 2010-12-05T08:21:24.14 0.1 undecidable manual Pg 3 33.0447 0.256 100
IV.IMOL.EHZ. 2010-12-05T08:21:22.42 0.3 undecidable manual Pg 85 21.4674 -0.107 79
IV.ORI.HHN. 2010-12-05T08:21:21.30 10.0 undecidable manual Pg 0 0 0
IV.MTRZ.HHN. 2010-12-05T08:21:20.42 0.1 undecidable manual Pg 229 4.995 -0.927 85
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
Waveforms Seismic signals in miniseed + resp format Download