Earthquake with magnitude of ML 1.9 on date 09-04-2009 and time 00:23:41 (Italy) in region 2 km E Langhirano (PR)

A magnitude ML 1.9 earthquake occured in region: 2 km E Langhirano (PR), on

  • 08-04-2009 22:23:41 (UTC)
  • 09-04-2009 00:23:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6110, 10.2980 at 36 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
Neviano degli Arduini PR 3 3649 13964
Lesignano de' Bagni PR 4 5028 18992
Traversetolo PR 8 9425 28417
Canossa RE 9 3844 32261
San Polo d'Enza RE 10 6083 38344
Felino PR 11 8790 47134
Tizzano Val Parma PR 13 2077 49211
Sala Baganza PR 13 5561 54772
Montechiarugolo PR 14 10813 65585
Calestano PR 14 2100 67685
Quattro Castella RE 14 13195 80880
Vetto RE 14 1860 82740
Bibbiano RE 15 10268 93008
Montecchio Emilia RE 16 10530 103538
Terenzo PR 17 1196 104734
Collecchio PR 17 14403 119137
Fornovo di Taro PR 18 6100 125237
Casina RE 20 4504 129741
Vezzano sul Crostolo RE 20 4259 134000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Parma (192836 inhabitants)
28 Km W of Reggio nell'Emilia (171345 inhabitants)
50 Km W of Modena (184973 inhabitants)
50 Km W of Carpi (70699 inhabitants)
61 Km N of Carrara (63133 inhabitants)
62 Km SE of Cremona (71901 inhabitants)
65 Km N of Massa (69479 inhabitants)
67 Km NE of La Spezia (93959 inhabitants)
68 Km SE of Piacenza (102191 inhabitants)
83 Km N of Viareggio (62467 inhabitants)
84 Km W of Bologna (386663 inhabitants)
87 Km N of Lucca (89046 inhabitants)
90 Km NW of Pistoia (90315 inhabitants)
100 Km N of Pisa (89158 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 1.7
ML 1.9
2009-04-08
22:23:41
44.611 10.298 36 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 22:23:41 ± 0.57
Latitude 44.6110 ± 0.0171
Longitude 10.2980 ± 0.0430
Depth (km) 36 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 776279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2770
Semi-minor axis of confidence ellipse (meter) 1912
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 3894.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.15288
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 776279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:26

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 776279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOVE.EHE. 2009-04-08T22:23:57.15 0.1 undecidable manual Sg 58 38.9277 0.183 93
IV.ERBM.EHZ. 2009-04-08T22:23:53.85 0.3 undecidable manual Sg 157 23.0547 -0.217 71
IV.PRMA.HHZ. 2009-04-08T22:23:53.22 0.3 undecidable manual Sg 4 16.9719 -0.014 75
IV.NOVE.EHE. 2009-04-08T22:23:50.13 0.1 undecidable manual Pg 58 38.9277 -0.32 90
IV.ERBM.EHZ. 2009-04-08T22:23:49.07 0.1 undecidable manual Pg 157 23.0547 0.291 94
IV.PRMA.HHZ. 2009-04-08T22:23:48.32 0.1 undecidable manual Pg 4 16.9719 0.023 100
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