Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 11-03-2012 and time 08:11:21 (Italy) in region 6 km W Galeata (FC)

A magnitude ML 2.2 earthquake occured in region: 6 km W Galeata (FC), on

  • 11-03-2012 07:11:21 (UTC)
  • 11-03-2012 08:11:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9960, 11.8420 at 29 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
Galeata FC 6 2516 2516
Premilcuore FC 6 799 3315
Portico e San Benedetto FC 6 756 4071
Rocca San Casciano FC 7 1910 5981
Santa Sofia FC 8 4136 10117
Civitella di Romagna FC 8 3786 13903
Tredozio FC 12 1212 15115
Dovadola FC 15 1653 16768
Predappio FC 16 6346 23114
Modigliana FC 18 4560 27674
Bagno di Romagna FC 19 6026 33700
San Godenzo FI 19 1167 34867

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Forlì (117913 inhabitants)
33 Km S of Faenza (58541 inhabitants)
36 Km W of Cesena (96758 inhabitants)
41 Km S of Imola (69797 inhabitants)
53 Km E of Firenze (382808 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
58 Km W of Rimini (147750 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
59 Km E of Scandicci (50609 inhabitants)
61 Km E of Prato (191150 inhabitants)
68 Km SE of Bologna (386663 inhabitants)
74 Km E of Pistoia (90315 inhabitants)
86 Km NE of Siena (53903 inhabitants)
86 Km W of Pesaro (94582 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
96 Km W of Fano (60888 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 		ML 2.2 2012-03-11
07:11:21		 43.996 11.842 29 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1347989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-11 07:11:21 ± 0.14
Latitude 43.9960 ± 0.0081
Longitude 11.8420 ± 0.0113
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1347989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 964
Semi-minor axis of confidence ellipse (meter) 521
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 1272.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.05495
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1347989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:53:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GMB.BHZ. 2012-03-11T07:12:02.38 10.0 undecidable manual Pg 0 0 0
IV.CTI.HHN. 2012-03-11T07:11:53.66 0.3 undecidable manual Pg 356 228.105 -0.854 34
IV.MAGA.HHN. 2012-03-11T07:11:52.78 0.6 undecidable manual Pg 335 219.2139 -0.623 26
IV.SAMA.HHE. 2012-03-11T07:11:52.47 10.0 undecidable manual Pg 0 0 0
IV.SLCN.HHZ. 2012-03-11T07:11:48.68 10.0 undecidable manual Pg 0 0 0
IV.ATCC.EHZ. 2012-03-11T07:11:47.24 10.0 undecidable manual Pg 0 0 0
IV.TEOL.HHZ. 2012-03-11T07:11:44.05 0.3 undecidable manual Pg 355 152.0367 -0.996 48
IV.CRMI.HHN. 2012-03-11T07:11:43.64 0.6 undecidable manual Sg 252 73.371 -0.235 48
IV.FNVD.HHZ. 2012-03-11T07:11:41.41 0.6 undecidable manual Sg 289 60.3951 0.828 41
IV.PTF.SHN. 2012-03-11T07:11:41.34 0.6 undecidable manual Sg 267 61.7937 0.399 47
IV.ATTE.HHE. 2012-03-11T07:11:38.22 0.3 undecidable manual Pg 155 97.6245 0.325 67
IV.CPGN.EHE. 2012-03-11T07:11:38.68 10.0 undecidable manual Sg 0 0 0
IV.PARC.HHE. 2012-03-11T07:11:38.96 0.6 undecidable manual Sg 140 49.9167 0.954 39
IV.CRE.HHZ. 2012-03-11T07:11:36.54 0.6 undecidable manual Sg 168 42.8238 0.242 51
IV.FSSB.HHN. 2012-03-11T07:11:35.92 0.1 undecidable manual Pg 114 82.0512 0.368 91
IV.CPGN.EHE. 2012-03-11T07:11:35.54 10.0 undecidable manual Pg 0 0 0
IV.IMOL.EHZ. 2012-03-11T07:11:35.96 0.6 undecidable manual Sg 349 41.0256 0.063 53
IV.ATVO.HHE. 2012-03-11T07:11:35.73 0.1 undecidable manual Pg 146 81.8514 0.21 94
IV.ATPC.HHE. 2012-03-11T07:11:35.07 0.1 undecidable manual Pg 139 75.4689 0.488 90
IV.CRMI.HHN. 2012-03-11T07:11:34.16 0.1 undecidable manual Pg 252 73.371 -0.106 98
IV.CSNT.HHZ. 2012-03-11T07:11:34.54 0.1 undecidable manual Pg 218 72.9714 0.331 94
IV.CAFI.HHE. 2012-03-11T07:11:34.06 0.3 undecidable manual Pg 172 74.6697 -0.398 69
IV.ATMC.EHZ. 2012-03-11T07:11:33.26 0.1 undecidable manual Pg 155 67.0773 -0.087 100
IV.ECNV.HHE. 2012-03-11T07:11:33.75 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHE. 2012-03-11T07:11:32.57 0.3 undecidable manual Pg 149 62.8926 -0.156 75
IV.VMG.SHZ. 2012-03-11T07:11:32.19 0.3 undecidable manual Sg 261 24.1536 -0.122 79
IV.FNVD.HHZ. 2012-03-11T07:11:32.65 0.1 undecidable manual Pg 289 60.3951 0.286 97
IV.PTF.SHN. 2012-03-11T07:11:32.82 0.1 undecidable manual Pg 267 61.7937 0.249 97
IV.MTRZ.HHN. 2012-03-11T07:11:31.10 0.1 undecidable manual Pg 317 48.3183 0.449 96
IV.PARC.HHE. 2012-03-11T07:11:30.45 0.1 undecidable manual Pg 140 49.9167 -0.429 96
IV.FIR.HHN. 2012-03-11T07:11:29.29 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHZ. 2012-03-11T07:11:29.43 0.6 undecidable manual Sg 178 10.1787 -0.856 43
IV.CRE.HHZ. 2012-03-11T07:11:29.60 0.1 negative manual Pg 168 42.8238 -0.291 100
IV.IMOL.EHZ. 2012-03-11T07:11:29.98 0.1 undecidable manual Pg 349 41.0256 0.32 100
IV.VMG.SHZ. 2012-03-11T07:11:27.14 0.1 undecidable manual Pg 261 24.1536 -0.449 99
IV.SFI.EHZ. 2012-03-11T07:11:25.74 0.1 negative manual Pg 178 10.1787 -0.68 93
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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