Earthquake with magnitude of ML 0.7 on date 07-05-2012 and time 02:54:33 (Italy) in region 2 km SE Viggiano (PZ)

A magnitude ML 0.7 earthquake occured in region: 2 km SE Viggiano (PZ), on

  • 07-05-2012 00:54:33 (UTC)
  • 07-05-2012 02:54:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.3230, 15.9140 at 13 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
Viggiano PZ 2 3329 3329
Grumento Nova PZ 5 1700 5029
Montemurro PZ 7 1235 6264
Spinoso PZ 8 1462 7726
Sarconi PZ 9 1404 9130
Marsicovetere PZ 9 5546 14676
Moliterno PZ 10 4062 18738
Tramutola PZ 11 3089 21827
Corleto Perticara PZ 13 2511 24338
Armento PZ 13 631 24969
San Martino d'Agri PZ 15 801 25770
Laurenzana PZ 16 1797 27567
Guardia Perticara PZ 16 552 28119
Paterno PZ 17 3368 31487
Calvello PZ 18 1948 33435
Montesano sulla Marcellana SA 19 6704 40139
Castelsaraceno PZ 19 1384 41523
Marsico Nuovo PZ 19 4098 45621
Gallicchio PZ 19 862 46483

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Potenza (67122 inhabitants)
70 Km SW of Matera (60436 inhabitants)
78 Km SW of Altamura (70396 inhabitants)
85 Km E of Battipaglia (50786 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
Reviewed
Rev100
ML 0.8 2012-05-07
00:54:33
40.3242 15.8945 13 2014-10-21
12:19:34
Sala Sismica INGV-Roma 1267471
Bulletin
Rev1000
ML 0.7 2012-05-07
00:54:33
40.3228 15.9143 13 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2414141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-07 00:54:33 ± 0.11
Latitude 40.3228 ± 0.0072
Longitude 15.9143 ± 0.0047
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2414141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 890
Semi-minor axis of confidence ellipse (meter) 25
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.22753
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 2414141
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:40:16

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 0
Type of magnitude ML
Reference to an origin 1267471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-07 01:30:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2012-05-07T00:54:42.85 0.3 undecidable manual S 287 24.9528 0.21 72
IV.SCHR.EHZ. 2012-05-07T00:54:41.34 0.3 undecidable manual S 135 19.3695 0.16 72
IV.MTSN.HHZ. 2012-05-07T00:54:39.98 0.3 undecidable manual S 246 15.1737 -0.14 73
IV.MCEL.HHZ. 2012-05-07T00:54:38.95 0.3 undecidable manual S 271 9.4794 0.08 74
IV.PTRP.EHZ. 2012-05-07T00:54:38.71 1.0 positive manual P 29 25.2525 -0.11 24
IV.SLCN.HHZ. 2012-05-07T00:54:38.80 0.1 undecidable manual P 287 24.9528 0.03 99
IV.MTSN.HHZ. 2012-05-07T00:54:37.10 0.3 undecidable manual P 246 15.1737 -0.21 72
IV.SCHR.EHZ. 2012-05-07T00:54:37.91 0.1 undecidable manual P 135 19.3695 -0.02 99
IV.MCEL.HHZ. 2012-05-07T00:54:36.52 0.1 undecidable manual P 271 9.4794 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:1.0 0.00009625000000000001 0.68 AML other m 2012-05-07T00:54:39.05
IV.MCEL.HHN. ML:1.0 0.00009855 1.08 AML other m 2012-05-07T00:54:39.05
IV.MTSN.HHN. ML:0.6 0.0000361 0.14 AML other m 2012-05-07T00:54:40.46
IV.MTSN.HHE. ML:0.7 0.00004265 1.36 AML other m 2012-05-07T00:54:41.03
IV.SCHR.EHN. ML:0.5 0.00002432 0.32 AML other m 2012-05-07T00:54:41.40
IV.SCHR.EHE. ML:0.5 0.000024295 1.46 AML other m 2012-05-07T00:54:42.45
IV.SLCN.HHN. ML:0.8 0.000033350000000000004 1.04 AML other m 2012-05-07T00:54:42.87
IV.SLCN.HHE. ML:0.9 0.00004045 0.38 AML other m 2012-05-07T00:54:46.65
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