Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 08-09-2011 and time 22:15:11 (UTC) in region 3 km W Langhirano (PR)

A magnitude ML 2.3 earthquake occured in region: 3 km W Langhirano (PR), on

  • 08-09-2011 22:15:11 (UTC)
  • 09-09-2011 00:15:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6290, 10.2330 at 21 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
Langhirano PR 3 10315 10315
Lesignano de' Bagni PR 6 5028 15343
Felino PR 8 8790 24133
Neviano degli Arduini PR 8 3649 27782
Calestano PR 9 2100 29882
Sala Baganza PR 10 5561 35443
Terenzo PR 12 1196 36639
Traversetolo PR 12 9425 46064
Tizzano Val Parma PR 12 2077 48141
Fornovo di Taro PR 13 6100 54241
Collecchio PR 14 14403 68644
Canossa RE 15 3844 72488
San Polo d'Enza RE 15 6083 78571
Medesano PR 16 10828 89399
Montechiarugolo PR 17 10813 100212
Vetto RE 18 1860 102072
Varano de' Melegari PR 18 2676 104748
Montecchio Emilia RE 19 10530 115278
Quattro Castella RE 19 13195 128473
Bibbiano RE 20 10268 138741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Parma (192836 inhabitants)
32 Km W of Reggio nell'Emilia (171345 inhabitants)
54 Km W of Carpi (70699 inhabitants)
55 Km W of Modena (184973 inhabitants)
59 Km S of Cremona (71901 inhabitants)
62 Km N of Carrara (63133 inhabitants)
64 Km SE of Piacenza (102191 inhabitants)
66 Km N of Massa (69479 inhabitants)
66 Km NE of La Spezia (93959 inhabitants)
85 Km N of Viareggio (62467 inhabitants)
89 Km W of Bologna (386663 inhabitants)
90 Km N of Lucca (89046 inhabitants)
95 Km NW of Pistoia (90315 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 2.4
ML 2.3 		2011-09-08
22:15:11		 44.629 10.233 21 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1283469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-08 22:15:11 ± 0.11
Latitude 44.6290 ± 0.0054
Longitude 10.2330 ± 0.0101
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1283469

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 709
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.58910
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1283469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:23

Md:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1283469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.RISI.HHZ. 2011-09-08T22:15:54.63 10.0 undecidable manual Pg 0 0 0
GU.PCP.HHN. 2011-09-08T22:15:52.75 10.0 undecidable manual Pg 0 0 0
SI.ABSI.HHN. 2011-09-08T22:15:52.02 10.0 undecidable manual Pg 0 0 0
IV.GROG.HHE. 2011-09-08T22:15:50.90 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHZ. 2011-09-08T22:15:48.41 10.0 undecidable manual Sg 0 0 0
IV.ROVR.HHN. 2011-09-08T22:15:48.42 0.1 undecidable manual Sg 30 130.5693 -0.096 82
IV.MAGA.HHZ. 2011-09-08T22:15:48.79 0.1 undecidable manual Sg 14 130.7691 0.203 80
IV.SEI.SHN. 2011-09-08T22:15:47.58 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHE. 2011-09-08T22:15:44.72 10.0 undecidable manual Pg 0 0 0
IV.SALO.HHZ. 2011-09-08T22:15:43.08 0.1 undecidable manual Sg 12 111.999 -0.516 77
CH.BERNI.HHZ. 2011-09-08T22:15:41.95 10.0 undecidable manual Pg 0 0 0
IV.CTL8.EHN. 2011-09-08T22:15:41.45 10.0 undecidable manual Pg 0 0 0
IV.TRIF.HHN. 2011-09-08T22:15:39.67 0.1 undecidable manual Pn 162 176.3901 0.864 53
IV.PTF.SHZ. 2011-09-08T22:15:39.68 0.1 undecidable manual Sg 138 99.6225 -0.607 79
IV.SASS.HHN. 2011-09-08T22:15:36.25 10.0 undecidable manual Pg 0 0 0
GU.MAIM.HHZ. 2011-09-08T22:15:35.32 0.1 undecidable manual Sg 165 81.9513 -0.298 87
IV.TEOL.HHZ. 2011-09-08T22:15:33.84 0.1 undecidable manual Pn 54 139.1607 -0.188 79
IV.MAGA.HHZ. 2011-09-08T22:15:32.26 0.1 undecidable manual Pg 14 130.7691 -0.49 75
IV.VMG.SHZ. 2011-09-08T22:15:32.33 10.0 undecidable manual Pg 0 0 0
IV.BDI.HHE. 2011-09-08T22:15:32.00 0.1 undecidable manual Sg 155 69.1752 -0.255 90
IV.ROVR.HHN. 2011-09-08T22:15:32.22 0.1 undecidable manual Pn 30 130.5693 -0.489 75
IV.MSSA.HHE. 2011-09-08T22:15:31.52 0.1 undecidable manual Sg 239 66.4779 -0.013 93
IV.CRMI.HHN. 2011-09-08T22:15:30.18 0.3 undecidable manual Pg 148 110.0121 0.624 55
IV.BOB.HHE. 2011-09-08T22:15:30.91 0.1 undecidable manual Sg 284 63.7917 0.069 95
GU.SC2M.HHE. 2011-09-08T22:15:30.86 0.1 undecidable manual Sg 246 60.6948 0.846 77
IV.SALO.HHZ. 2011-09-08T22:15:30.13 0.1 undecidable manual Pg 12 111.999 0.268 82
MN.VLC.HHN. 2011-09-08T22:15:28.09 0.1 undecidable manual Sg 167 53.502 -0.059 96
IV.PTF.SHZ. 2011-09-08T22:15:28.07 0.1 undecidable manual Pg 138 99.6225 0.115 86
IV.FNVD.HHZ. 2011-09-08T22:15:26.27 0.1 undecidable manual Pg 126 87.1461 0.221 86
IV.NOVE.EHZ. 2011-09-08T22:15:25.95 0.1 undecidable manual Sg 64 42.4242 0.667 82
GU.MAIM.HHZ. 2011-09-08T22:15:24.64 0.1 undecidable manual Pg 165 81.9513 -0.62 80
IV.ZCCA.HHN. 2011-09-08T22:15:23.83 0.1 undecidable manual Pg 117 66.4779 0.93 70
IV.MSSA.HHE. 2011-09-08T22:15:23.03 0.1 undecidable manual Pg 239 66.4779 0.128 93
IV.BOB.HHE. 2011-09-08T22:15:23.03 0.1 undecidable manual Pg 284 63.7917 0.532 86
IV.BDI.HHE. 2011-09-08T22:15:23.11 0.1 undecidable manual Pg 155 69.1752 -0.209 91
GU.SC2M.HHE. 2011-09-08T22:15:21.73 0.1 undecidable manual Pg 246 60.6948 -0.298 89
MN.VLC.HHN. 2011-09-08T22:15:20.62 0.1 undecidable manual Pg 167 53.502 -0.332 91
IV.PRMA.HHE. 2011-09-08T22:15:19.42 0.1 undecidable manual Sg 23 16.1727 0.23 100
IV.NOVE.EHZ. 2011-09-08T22:15:19.32 0.1 undecidable manual Pg 64 42.4242 0.026 98
IV.PRMA.HHE. 2011-09-08T22:15:15.09 0.1 undecidable manual Pg 23 16.1727 -0.682 86
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