Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 09-09-2011 and time 00:33:52 (Italy) in region 3 km NW Langhirano (PR)

A magnitude ML 2.4 earthquake occured in region: 3 km NW Langhirano (PR), on

  • 08-09-2011 22:33:52 (UTC)
  • 09-09-2011 00:33:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6420, 10.2480 at 28 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 4 5028 15343
Felino PR 6 8790 24133
Sala Baganza PR 8 5561 29694
Neviano degli Arduini PR 9 3649 33343
Traversetolo PR 11 9425 42768
Calestano PR 11 2100 44868
Collecchio PR 13 14403 59271
Fornovo di Taro PR 13 6100 65371
Terenzo PR 13 1196 66567
Canossa RE 14 3844 70411
San Polo d'Enza RE 14 6083 76494
Tizzano Val Parma PR 14 2077 78571
Montechiarugolo PR 15 10813 89384
Medesano PR 15 10828 100212
Montecchio Emilia RE 17 10530 110742
Quattro Castella RE 18 13195 123937
Bibbiano RE 18 10268 134205
Parma PR 19 192836 327041
Vetto RE 19 1860 328901
Varano de' Melegari PR 19 2676 331577
Noceto PR 20 13001 344578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Parma (192836 inhabitants)
31 Km W of Reggio nell'Emilia (171345 inhabitants)
53 Km W of Carpi (70699 inhabitants)
54 Km W of Modena (184973 inhabitants)
58 Km SE of Cremona (71901 inhabitants)
63 Km SE of Piacenza (102191 inhabitants)
64 Km N of Carrara (63133 inhabitants)
68 Km N of Massa (69479 inhabitants)
68 Km NE of La Spezia (93959 inhabitants)
86 Km N of Viareggio (62467 inhabitants)
88 Km W of Bologna (386663 inhabitants)
91 Km N of Lucca (89046 inhabitants)
95 Km NW of Pistoia (90315 inhabitants)
100 Km S of Brescia (196480 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 2.4 		2011-09-08
22:33:52		 44.642 10.248 28 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1283509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-08 22:33:52 ± 0.18
Latitude 44.6420 ± 0.0126
Longitude 10.2480 ± 0.0202
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1283509

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1810
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 2126.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.62
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 1.23837
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1283509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:27

Md:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1283509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TEOL.HHN. 2011-09-08T22:34:15.26 0.3 undecidable manual Pg 54 137.4624 0.487 73
IV.MAGA.HHN. 2011-09-08T22:34:13.31 0.3 undecidable manual Pg 13 129.1707 -0.434 76
GU.SC2M.HHN. 2011-09-08T22:34:13.36 0.6 undecidable manual Sg 245 62.2932 0.957 47
IV.ROVR.HHN. 2011-09-08T22:34:13.92 0.3 undecidable manual Pg 30 128.7711 0.227 79
MN.VLC.HHE. 2011-09-08T22:34:11.09 0.6 undecidable manual Sg 168 54.7008 0.61 54
IV.PTF.SHZ. 2011-09-08T22:34:09.15 0.6 undecidable manual Pg 139 99.8223 -0.487 54
IV.MSSA.HHE. 2011-09-08T22:34:04.76 0.3 undecidable manual Pg 238 68.1762 -0.131 92
IV.BOB.HHE. 2011-09-08T22:34:04.55 0.3 undecidable manual Pg 283 64.5909 0.185 91
IV.BDI.HHZ. 2011-09-08T22:34:04.30 0.3 undecidable manual Pg 157 69.9744 -0.863 74
GU.SC2M.HHN. 2011-09-08T22:34:03.28 0.3 undecidable manual Pg 245 62.2932 -0.743 78
MN.VLC.HHE. 2011-09-08T22:34:03.33 0.3 undecidable manual Pg 168 54.7008 0.412 88
IV.PRMA.HHZ. 2011-09-08T22:34:01.90 0.3 undecidable manual Sg 21 14.4744 -0.047 100
IV.NOVE.EHN. 2011-09-08T22:34:01.46 0.3 undecidable manual Pg 65 40.7259 0.487 90
IV.PRMA.HHZ. 2011-09-08T22:33:57.67 0.3 undecidable manual Pg 21 14.4744 -0.315 96
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