Earthquake with magnitude of ML 2.1 on date 08-09-2011 and time 22:49:39 (UTC) in region 3 km NW Langhirano (PR)

A magnitude ML 2.1 earthquake occured in region: 3 km NW Langhirano (PR), on

  • 08-09-2011 22:49:39 (UTC)
  • 09-09-2011 00:49:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6400, 10.2410 at 22 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
Langhirano PR 3 10315 10315
Lesignano de' Bagni PR 5 5028 15343
Felino PR 6 8790 24133
Sala Baganza PR 9 5561 29694
Neviano degli Arduini PR 9 3649 33343
Calestano PR 10 2100 35443
Traversetolo PR 11 9425 44868
Fornovo di Taro PR 13 6100 50968
Terenzo PR 13 1196 52164
Collecchio PR 13 14403 66567
Tizzano Val Parma PR 14 2077 68644
Canossa RE 14 3844 72488
San Polo d'Enza RE 14 6083 78571
Medesano PR 15 10828 89399
Montechiarugolo PR 16 10813 100212
Montecchio Emilia RE 18 10530 110742
Quattro Castella RE 18 13195 123937
Varano de' Melegari PR 19 2676 126613
Bibbiano RE 19 10268 136881
Vetto RE 19 1860 138741
Parma PR 19 192836 331577
Noceto PR 20 13001 344578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Parma (192836 inhabitants)
32 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)
67 Km N of Massa (69479 inhabitants)
68 Km NE of La Spezia (93959 inhabitants)
86 Km N of Viareggio (62467 inhabitants)
89 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 2.3
ML 2.1
2011-09-08
22:49:39
44.64 10.241 22 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1283529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-08 22:49:39 ± 0.36
Latitude 44.6400 ± 0.0126
Longitude 10.2410 ± 0.0695
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1283529

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5568
Semi-minor axis of confidence ellipse (meter) 553
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 5675.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.55
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.42722
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1283529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:28

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1283529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:23:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APPI.EHE. 2011-09-08T22:50:37.86 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHE. 2011-09-08T22:50:05.52 0.3 undecidable manual Pg 8 158.4192 0.708 71
IV.TEOL.HHN. 2011-09-08T22:50:01.97 0.3 undecidable manual Pg 54 137.9619 -0.224 84
IV.ROVR.HHN. 2011-09-08T22:50:00.64 0.3 undecidable manual Pg 30 129.2706 -0.208 85
IV.MAGA.HHN. 2011-09-08T22:50:00.71 0.3 undecidable manual Pg 13 129.5703 -0.183 86
.VLC.HHE. 2011-09-08T22:49:57.09 0.6 undecidable manual Sg 168 54.501 0.293 65
IV.PTF.SHE. 2011-09-08T22:49:56.76 0.6 undecidable manual Pg 139 100.0221 0.386 58
.VLC.HHE. 2011-09-08T22:49:49.07 0.3 undecidable manual Pg 168 54.501 -0.392 96
IV.PRMA.HHE. 2011-09-08T22:49:47.98 0.3 undecidable manual Sg 22 14.874 0.494 100
IV.PRMA.HHE. 2011-09-08T22:49:43.57 0.3 undecidable manual Pg 22 14.874 -0.512 100
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