Earthquake with magnitude of ML 1.1 on date 24-04-2011 and time 19:09:30 (Italy) in region 1 km SE Roccanova (PZ)

A magnitude ML 1.1 earthquake occured in region: 1 km SE Roccanova (PZ), on

  • 24-04-2011 17:09:30 (UTC)
  • 24-04-2011 19:09:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.211, 16.212 at 31 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
Roccanova PZ 1 1543 1543
Castronuovo di Sant'Andrea PZ 3 1067 2610
Sant'Arcangelo PZ 7 6533 9143
Missanello PZ 9 566 9709
Calvera PZ 9 387 10096
Chiaromonte PZ 10 1965 12061
Senise PZ 10 7115 19176
Gallicchio PZ 11 862 20038
Teana PZ 11 613 20651
Fardella PZ 11 627 21278
San Chirico Raparo PZ 12 1084 22362
Aliano MT 12 1008 23370
Carbone PZ 13 638 24008
San Martino d'Agri PZ 14 801 24809
Francavilla in Sinni PZ 14 4215 29024
Armento PZ 16 631 29655
Noepoli PZ 17 878 30533
Episcopia PZ 18 1434 31967
Colobraro MT 18 1266 33233
San Giorgio Lucano MT 19 1217 34450
Castelsaraceno PZ 19 1384 35834
Guardia Perticara PZ 20 552 36386

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km SE of Potenza (67122 inhabitants)
61 Km SW of Matera (60436 inhabitants)
75 Km SW of Altamura (70396 inhabitants)
91 Km W of Taranto (201100 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 1.8
ML 1.1
2011-04-24
17:09:30
40.211 16.212 31 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1201519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-24 17:09:30 ± 0.35
Latitude 40.2110 ± 0.0216
Longitude 16.2120 ± 0.0177
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1201519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2523
Semi-minor axis of confidence ellipse (meter) 1032
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 158
Circular confidence region, given by single value of horizontal uncertainty (meter) 2830.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.75723
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1201519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:30:44

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1201519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:30:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AMUR.HHN. 2011-04-24T17:09:55.94 0.6 undecidable manual Sg 23 0.7572 -0.124 44
IV.LTRZ.EHN. 2011-04-24T17:09:51.61 0.6 undecidable manual Sg 49 0.6061 -0.2 45
GE.MATE.HHN. 2011-04-24T17:09:50.89 0.6 undecidable manual Sg 40 0.5765 -0.093 46
IV.AMUR.HHN. 2011-04-24T17:09:45.36 0.3 undecidable manual Pg 23 0.7572 0.125 67
IV.SBPO.HHE. 2011-04-24T17:09:44.34 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2011-04-24T17:09:43.18 0.6 undecidable manual Sg 48 0.2293 0.903 39
IV.LTRZ.EHN. 2011-04-24T17:09:42.28 0.3 undecidable manual Pg 49 0.6061 -0.496 63
GE.MATE.HHN. 2011-04-24T17:09:42.47 0.3 undecidable manual Pg 40 0.5765 0.168 68
IV.SIRI.HHN. 2011-04-24T17:09:42.79 0.6 undecidable manual Sg 264 0.2644 -0.213 48
IV.SCHR.EHZ. 2011-04-24T17:09:40.26 0.3 undecidable manual Sg 264 0.1043 0.01 77
IV.SIRI.HHN. 2011-04-24T17:09:38.04 0.3 undecidable manual Pg 264 0.2644 0.347 70
IV.CRAC.EHZ. 2011-04-24T17:09:37.21 0.3 undecidable manual Pg 48 0.2293 -0.062 75
IV.SCHR.EHZ. 2011-04-24T17:09:35.93 0.1 undecidable manual Pg 264 0.1043 -0.174 100
IV.MCIV.HHE. 2011-04-24T17:09:15.88 10.0 undecidable manual Pg 0 0 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCIV.HHN. ML:0 2.5E-5 0.08 AML other m 2011-04-24T17:09:15.88
IV.MCIV.HHE. Md:0 15 END duration s
IV.SIRI.HHN. Md:1.7 16.9 END duration s
IV.SIRI.HHE. ML:0.9 2.5E-5 0.2 AML other m 2011-04-24T17:09:38.04
IV.LTRZ.EHN. Md:1.9 18.3 END duration s
IV.LTRZ.EHE. ML:1.2 2.5E-5 0.96 AML other m 2011-04-24T17:09:42.28
GE.MATE.HHN. Md:1.9 18.5 END duration s
GE.MATE.HHE. ML:1.3 3.5E-5 0.22 AML other m 2011-04-24T17:09:42.47
IV.SBPO.HHN. ML:0 0.000685 0.08 AML other m 2011-04-24T17:09:44.34
IV.SBPO.HHE. Md:0 12 END duration s
IV.SCHR.EHZ. Md:1.6 17 END duration s
IV.CRAC.EHZ. Md:1.6 16.8 END duration s
IV.AMUR.HHN. Md:2 20 END duration s
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