Earthquake with magnitude of ML 2.5 on date 04-12-2010 and time 12:57:03 (UTC) in region 3 km E Monterenzio (BO)

A magnitude ML 2.5 earthquake occured in region: 3 km E Monterenzio (BO), on

  • 04-12-2010 12:57:03 (UTC)
  • 04-12-2010 13:57:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3310, 11.4420 at 30 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
Monterenzio BO 3 6035 6035
Pianoro BO 10 17460 23495
Loiano BO 12 4294 27789
Fontanelice BO 12 1943 29732
Ozzano dell'Emilia BO 13 13596 43328
Borgo Tossignano BO 13 3288 46616
Castel del Rio BO 14 1246 47862
Castel San Pietro Terme BO 14 20811 68673
Casalfiumanese BO 14 3438 72111
Monzuno BO 15 6328 78439
Dozza BO 15 6652 85091
Monghidoro BO 16 3749 88840
San Lazzaro di Savena BO 16 32065 120905
Sasso Marconi BO 17 14735 135640
Casola Valsenio RA 19 2617 138257
Marzabotto BO 19 6779 145036
Bologna BO 20 386663 531699
Castenaso BO 20 14925 546624

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SE of Bologna (386663 inhabitants)
22 Km W of Imola (69797 inhabitants)
36 Km W of Faenza (58541 inhabitants)
49 Km W of Forlì (117913 inhabitants)
54 Km SE of Modena (184973 inhabitants)
57 Km NE of Prato (191150 inhabitants)
58 Km S of Ferrara (133155 inhabitants)
61 Km NE of Pistoia (90315 inhabitants)
61 Km W of Ravenna (159116 inhabitants)
64 Km N of Firenze (382808 inhabitants)
67 Km NE of Scandicci (50609 inhabitants)
67 Km SE of Carpi (70699 inhabitants)
67 Km W of Cesena (96758 inhabitants)
76 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km SW of Rovigo (51867 inhabitants)
93 Km NE of Lucca (89046 inhabitants)
95 Km W of Rimini (147750 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 2.5
2010-12-04
12:57:03
44.331 11.442 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1149109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-04 12:57:03 ± 0.3
Latitude 44.3310 ± 0.0153
Longitude 11.4420 ± 0.0427
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1149109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3424
Semi-minor axis of confidence ellipse (meter) 1218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 3801.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
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) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 1.04321
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 1149109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:20:44

Md:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1149109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:20:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TEOL.HHZ. 2010-12-04T12:57:22.59 0.3 undecidable manual Pg 9 115.7952 -0.124 62
IV.VMG.SHZ. 2010-12-04T12:57:18.17 0.6 undecidable manual Sg 169 41.7249 -0.228 46
IV.IMOL.EHZ. 2010-12-04T12:57:14.70 0.1 undecidable manual Sg 82 24.0537 0.013 100
IV.MTRZ.HHE. 2010-12-04T12:57:12.43 0.1 undecidable manual Sg 214 2.3976 0.18 100
IV.VMG.SHZ. 2010-12-04T12:57:12.48 0.1 undecidable manual Pg 169 41.7249 0.427 89
IV.FIU.EHE. 2010-12-04T12:57:11.70 0.6 undecidable manual Pg 7 34.5432 0.577 42
IV.IMOL.EHZ. 2010-12-04T12:57:09.76 0.3 undecidable manual Pg 82 24.0537 -0.147 73
IV.MTRZ.HHE. 2010-12-04T12:57:07.90 0.1 undecidable manual Pg 214 2.3976 -0.604 90
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