Earthquake with magnitude of Md 2.1 on date 31-01-2010 and time 03:28:09 (Italy) in region 7 km E Monghidoro (BO)

A magnitude Md 2.1 earthquake occured in region: 7 km E Monghidoro (BO), on

  • 31-01-2010 02:28:09 (UTC)
  • 31-01-2010 03:28:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2240, 11.4040 at 51 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
Monghidoro BO 7 3749 3749
Castel del Rio BO 8 1246 4995
Loiano BO 8 4294 9289
Monterenzio BO 11 6035 15324
Firenzuola FI 12 4726 20050
Monzuno BO 12 6328 26378
Fontanelice BO 13 1943 28321
San Benedetto Val di Sambro BO 14 4315 32636
Borgo Tossignano BO 16 3288 35924
Palazzuolo sul Senio FI 17 1154 37078
Casola Valsenio RA 18 2617 39695
Pianoro BO 19 17460 57155
Casalfiumanese BO 19 3438 60593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Imola (69797 inhabitants)
31 Km S of Bologna (386663 inhabitants)
39 Km W of Faenza (58541 inhabitants)
45 Km NE of Prato (191150 inhabitants)
50 Km NE of Pistoia (90315 inhabitants)
51 Km W of Forlì (117913 inhabitants)
52 Km N of Firenze (382808 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
60 Km SE of Modena (184973 inhabitants)
67 Km W of Ravenna (159116 inhabitants)
68 Km W of Cesena (96758 inhabitants)
70 Km S of Ferrara (133155 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
81 Km SE of Reggio nell'Emilia (171345 inhabitants)
84 Km NE of Lucca (89046 inhabitants)
93 Km NW of Arezzo (99543 inhabitants)
95 Km W of Rimini (147750 inhabitants)
98 Km NE of Pisa (89158 inhabitants)
99 Km SW of Rovigo (51867 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 2010-01-31
02:28:09
44.224 11.404 51 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1010109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-01-31 02:28:09 ± 0.46
Latitude 44.2240 ± 0.0216
Longitude 11.4040 ± 0.0389
Depth (km) 51 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1010109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3261
Semi-minor axis of confidence ellipse (meter) 451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 3920.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80669
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1010109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:22:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHN. 2010-01-31T02:28:35.50 0.6 undecidable manual Sg 186 83.7495 -0.22 42
IV.PII.SHZ. 2010-01-31T02:28:35.97 1.0 undecidable manual Sg 232 89.5437 -0.948 17
IV.VMG.SHZ. 2010-01-31T02:28:25.74 0.6 undecidable manual Sg 159 31.1466 -0.376 44
IV.SEI.SHZ. 2010-01-31T02:28:25.58 0.6 undecidable manual Sg 191 19.1697 0.844 41
IV.CSNT.HHN. 2010-01-31T02:28:25.03 0.1 undecidable manual Pg 186 83.7495 0.192 85
IV.FNVD.HHN. 2010-01-31T02:28:25.16 0.6 undecidable manual Sg 254 23.1546 0.021 49
IV.PII.SHZ. 2010-01-31T02:28:25.75 0.1 undecidable manual Pg 232 89.5437 0.221 83
IV.VMG.SHZ. 2010-01-31T02:28:19.02 0.1 undecidable manual Pg 159 31.1466 -0.273 93
IV.FNVD.HHN. 2010-01-31T02:28:18.60 0.1 undecidable manual Pg 254 23.1546 -0.129 98
IV.SEI.SHZ. 2010-01-31T02:28:18.50 0.1 undecidable manual Pg 191 19.1697 0.004 100
IV.ORI.HHE. 2010-01-31T02:28:03.61 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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