Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 21-06-2011 and time 08:02:22 (Italy) in region 4 km NW Bagno di Romagna (FC)

A magnitude Md 2.0 earthquake occured in region: 4 km NW Bagno di Romagna (FC), on

  • 21-06-2011 06:02:22 (UTC)
  • 21-06-2011 08:02:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8930, 11.9630 at 9 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
Bagno di Romagna FC 4 6026 6026
Santa Sofia FC 8 4136 10162
Verghereto FC 11 1907 12069
Galeata FC 12 2516 14585
Civitella di Romagna FC 13 3786 18371
Sarsina FC 15 3446 21817
Premilcuore FC 18 799 22616
Casteldelci RN 19 407 23023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Cesena (96758 inhabitants)
37 Km S of Forlì (117913 inhabitants)
44 Km S of Faenza (58541 inhabitants)
48 Km N of Arezzo (99543 inhabitants)
52 Km W of Rimini (147750 inhabitants)
55 Km SE of Imola (69797 inhabitants)
58 Km E of Firenze (382808 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
64 Km E of Scandicci (50609 inhabitants)
69 Km E of Prato (191150 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
82 Km NE of Siena (53903 inhabitants)
83 Km SE of Bologna (386663 inhabitants)
84 Km E of Pistoia (90315 inhabitants)
85 Km W of Fano (60888 inhabitants)
94 Km NW of Perugia (166134 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 2.0 2011-06-21
06:02:22		 43.893 11.963 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1243339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-06-21 06:02:22 ± 0.08
Latitude 43.8930 ± 0.0054
Longitude 11.9630 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1243339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 657
Semi-minor axis of confidence ellipse (meter) 323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1243339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:27:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHZ. 2011-06-21T06:03:36.13 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2011-06-21T06:03:32.29 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHZ. 2011-06-21T06:03:26.26 10.0 undecidable manual Pg 0 0 0
IV.ATN.BHZ. 2011-06-21T06:02:52.36 10.0 undecidable manual Pg 0 0 0
.SEI.SHZ. 2011-06-21T06:02:39.56 0.6 undecidable manual Sg 291 51.5151 0.332 44
IV.SACS.HHN. 2011-06-21T06:02:37.40 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHN. 2011-06-21T06:02:36.50 10.0 undecidable manual Pg 0 0 0
IV.CAFI.HHZ. 2011-06-21T06:02:34.46 0.3 undecidable manual Pg 180 62.493 0.56 60
.VMG.SHZ. 2011-06-21T06:02:34.68 0.3 undecidable manual Sg 283 34.3434 0.02 72
IV.CRE.HHN. 2011-06-21T06:02:33.42 0.3 undecidable manual Sg 182 30.4473 -0.181 70
.SEI.SHZ. 2011-06-21T06:02:31.96 0.3 undecidable manual Pg 291 51.5151 -0.239 67
.VMG.SHZ. 2011-06-21T06:02:29.55 0.1 undecidable manual Pg 283 34.3434 -0.011 96
IV.ASQU.HHZ. 2011-06-21T06:02:29.58 0.3 undecidable manual Sg 233 17.5713 0.114 73
IV.CRE.HHN. 2011-06-21T06:02:28.67 0.3 undecidable manual Pg 182 30.4473 -0.281 68
.T0502.EHZ. 2011-06-21T06:02:28.53 0.3 undecidable manual Sg 86 13.875 0.154 72
IV.SFI.EHZ. 2011-06-21T06:02:27.06 0.3 undecidable manual Sg 278 9.3795 -0.09 74
IV.ASQU.HHZ. 2011-06-21T06:02:26.56 0.1 undecidable manual Pg 233 17.5713 -0.002 99
IV.SFI.EHZ. 2011-06-21T06:02:25.21 0.1 undecidable manual Pg 278 9.3795 -0.015 100
.T0502.EHZ. 2011-06-21T06:02:25.82 0.1 undecidable manual Pg 86 13.875 -0.113 97
IV.ATTE.HHE. 2011-06-21T06:02:19.23 10.0 undecidable manual Pg 0 0 0
IV.ATPC.HHZ. 2011-06-21T06:02:04.26 10.0 undecidable manual Pg 0 0 0
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