Earthquake with magnitude of ML 0.8 on date 12-08-2012 and time 22:48:04 (Italy) in region 4 km NW Viggianello (PZ)

A magnitude ML 0.8 earthquake occured in region: 4 km NW Viggianello (PZ), on

  • 12-08-2012 20:48:04 (UTC)
  • 12-08-2012 22:48:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9930, 16.0500 at 10 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
Viggianello PZ 4 3025 3025
Rotonda PZ 5 3494 6519
Castelluccio Superiore PZ 7 824 7343
Castelluccio Inferiore PZ 7 2131 9474
Laino Borgo CS 8 1921 11395
San Severino Lucano PZ 8 1563 12958
Laino Castello CS 9 848 13806
Episcopia PZ 10 1434 15240
Latronico PZ 11 4556 19796
Mormanno CS 13 3027 22823
Francavilla in Sinni PZ 17 4215 27038
Fardella PZ 17 627 27665
Carbone PZ 17 638 28303
Teana PZ 17 613 28916
Papasidero CS 18 734 29650
Morano Calabro CS 18 4576 34226
Lauria PZ 19 12919 47145
Calvera PZ 19 387 47532
Castelsaraceno PZ 20 1384 48916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km S of Potenza (67122 inhabitants)
80 Km N of Cosenza (67546 inhabitants)
88 Km SW of Matera (60436 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 2012-08-12
20:48:04
39.9955 16.0523 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 1983171
Bulletin
Rev1000
ML 0.8 2012-08-12
20:48:04
39.993 16.05 10 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2997481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-12 20:48:04 ± 0.06
Latitude 39.9930 ± 0.0036
Longitude 16.0500 ± 0.0059
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2997481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 453
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 2997481
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:44:42

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 1983171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-08-12 20:53:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2012-08-12T20:48:19.11 0.3 undecidable manual S 330 42.4242 50 0.17 70
IV.MTSN.HHZ. 2012-08-12T20:48:18.06 0.3 undecidable manual S 320 39.5271 50 -0.1 71
IV.SALB.HHZ. 2012-08-12T20:48:15.59 0.3 undecidable manual S 117 28.2495 50 0.43 68
IV.SIRI.HHZ. 2012-08-12T20:48:14.70 0.3 undecidable manual S 324 26.0517 111 0.16 72
IV.SCHR.EHZ. 2012-08-12T20:48:13.44 0.3 undecidable manual S 5 22.9548 113 -0.11 73
MN.CUC.HHZ. 2012-08-12T20:48:12.74 0.3 undecidable manual S 270 19.9689 116 0.16 73
IV.MTSN.HHZ. 2012-08-12T20:48:12.44 0.1 undecidable manual P 320 39.5271 50 -0.11 95
IV.MCEL.HHZ. 2012-08-12T20:48:12.80 0.1 undecidable manual P 330 42.4242 50 -0.2 92
IV.SIRI.HHZ. 2012-08-12T20:48:10.54 0.1 undecidable manual P 324 26.0517 111 0.08 97
IV.SALB.HHZ. 2012-08-12T20:48:10.57 0.1 undecidable manual P 117 28.2495 50 -0.24 94
IV.MMN.HHZ. 2012-08-12T20:48:10.18 0.3 undecidable manual S 204 12.3765 128 -0.18 73
MN.CUC.HHZ. 2012-08-12T20:48:09.33 0.1 undecidable manual P 270 19.9689 116 0 100
IV.SCHR.EHZ. 2012-08-12T20:48:09.91 0.1 undecidable manual P 5 22.9548 113 0.03 99
IV.MMN.HHZ. 2012-08-12T20:48:08.11 0.1 undecidable manual P 204 12.3765 128 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CUC.HHN. ML:0.9 0.0000571 0.64 AML other m 2012-08-12T20:48:13.31
MN.CUC.HHE. ML:0.9 0.0000636 1.4 AML other m 2012-08-12T20:48:14.06
IV.MMN.HHE. ML:0.7 0.000056500000000000005 0.14 AML other m 2012-08-12T20:48:10.57
IV.MMN.HHN. ML:0.9 0.000093 0.78 AML other m 2012-08-12T20:48:10.89
IV.MTSN.HHN. ML:0.8 0.00002305 0.44 AML other m 2012-08-12T20:48:18.54
IV.MTSN.HHE. ML:0.8 0.000024800000000000003 1.38 AML other m 2012-08-12T20:48:25.85
IV.SALB.HHE. ML:0.7 0.000024050000000000002 1.44 AML other m 2012-08-12T20:48:19.00
IV.SALB.HHN. ML:0.6 0.0000219 0.24 AML other m 2012-08-12T20:48:16.04
IV.SIRI.HHN. ML:1.0 0.000053400000000000004 1.56 AML other m 2012-08-12T20:48:19.12
IV.SIRI.HHE. ML:1.0 0.00006130000000000001 0.28 AML other m 2012-08-12T20:48:16.77
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