Earthquake with magnitude of Md 2.2 on date 31-05-2010 and time 10:57:47 (Italy) in region 8 km W Castel San Pietro Terme (BO)

A magnitude Md 2.2 earthquake occured in region: 8 km W Castel San Pietro Terme (BO), on

  • 31-05-2010 08:57:47 (UTC)
  • 31-05-2010 10:57:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3630, 11.5030 at 32 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 San Pietro Terme BO 8 20811 20811
Monterenzio BO 9 6035 26846
Ozzano dell'Emilia BO 9 13596 40442
Dozza BO 10 6652 47094
Casalfiumanese BO 12 3438 50532
Borgo Tossignano BO 12 3288 53820
Fontanelice BO 13 1943 55763
Pianoro BO 13 17460 73223
San Lazzaro di Savena BO 14 32065 105288
Castel Guelfo di Bologna BO 16 4455 109743
Castenaso BO 17 14925 124668
Castel del Rio BO 17 1246 125914
Medicina BO 17 16739 142653
Imola BO 17 69797 212450
Loiano BO 18 4294 216744
Casola Valsenio RA 18 2617 219361
Bologna BO 20 386663 606024
Budrio BO 20 18412 624436

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Imola (69797 inhabitants)
20 Km SE of Bologna (386663 inhabitants)
32 Km W of Faenza (58541 inhabitants)
46 Km W of Forlì (117913 inhabitants)
54 Km S of Ferrara (133155 inhabitants)
56 Km SE of Modena (184973 inhabitants)
56 Km W of Ravenna (159116 inhabitants)
63 Km NE of Prato (191150 inhabitants)
64 Km W of Cesena (96758 inhabitants)
67 Km NE of Pistoia (90315 inhabitants)
68 Km SE of Carpi (70699 inhabitants)
69 Km NE of Firenze (382808 inhabitants)
72 Km NE of Scandicci (50609 inhabitants)
79 Km E of Reggio nell'Emilia (171345 inhabitants)
82 Km S of Rovigo (51867 inhabitants)
91 Km W of Rimini (147750 inhabitants)
99 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 2.2 2010-05-31
08:57:47
44.363 11.503 32 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1059729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-05-31 08:57:47 ± 0.15
Latitude 44.3630 ± 0.0045
Longitude 11.5030 ± 0.0113
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1059729

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 945
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1029.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 302
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1059729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:24:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VMG.SHZ. 2010-05-31T08:58:03.27 0.3 undecidable manual Sg 176 44.622 -0.168 68
IV.SEI.SHZ. 2010-05-31T08:58:01.60 0.1 undecidable manual Sg 199 36.1416 0.057 95
IV.FNVD.HHZ. 2010-05-31T08:58:01.80 1.0 undecidable manual Sg 234 37.1295 0.037 24
IV.FIU.EHN. 2010-05-31T08:58:00.25 10.0 undecidable manual Pg 0 0 0
IV.MTRZ.HHZ. 2010-05-31T08:57:57.19 0.1 undecidable manual Sg 228 8.2806 0.035 100
IV.VMG.SHZ. 2010-05-31T08:57:56.83 0.1 undecidable manual Pg 176 44.622 0.124 92
IV.SEI.SHZ. 2010-05-31T08:57:55.59 0.1 undecidable manual Pg 199 36.1416 -0.022 95
IV.FNVD.HHZ. 2010-05-31T08:57:55.69 0.1 undecidable manual Pg 234 37.1295 -0.05 95
IV.MTRZ.HHZ. 2010-05-31T08:57:53.03 0.1 undecidable manual Pg 228 8.2806 -0.049 99
IV.NRCA.SHZ. 2010-05-31T08:57:17.70 10.0 undecidable manual Pg 0 0 0
IV.ORI.HHZ. 2010-05-31T08:57:12.22 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHE. 2010-05-31T08:57:09.88 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2010-05-31T08:57:01.32 10.0 undecidable manual Sg 0 0 0
IV.STR3.BHZ. 2010-05-31T08:56:58.27 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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