Earthquake (quarry blast) with magnitude of ML 0.8 on date 18-02-2019 and time 13:58:18 (Italy) in region 3 km E Atena Lucana (SA)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 3 km E Atena Lucana (SA), on

  • 18-02-2019 12:58:18 (UTC)
  • 18-02-2019 13:58:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.46, 15.59 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Atena Lucana SA 3 2336 2336
Brienza PZ 4 4078 6414
Sala Consilina SA 6 12664 19078
Sasso di Castalda PZ 8 835 19913
San Pietro al Tanagro SA 9 1695 21608
Sant'Arsenio SA 9 2815 24423
Teggiano SA 9 7976 32399
Polla SA 11 5279 37678
Sant'Angelo Le Fratte PZ 11 1429 39107
Satriano di Lucania PZ 11 2374 41481
San Rufo SA 11 1754 43235
Sassano SA 13 5013 48248
Marsico Nuovo PZ 13 4098 52346
Monte San Giacomo SA 13 1572 53918
Savoia di Lucania PZ 13 1127 55045
Padula SA 14 5368 60413
Paterno PZ 15 3368 63781
Caggiano SA 15 2765 66546
Pertosa SA 16 690 67236
Tito PZ 16 7332 74568
Vietri di Potenza PZ 18 2832 77400
Corleto Monforte SA 18 592 77992
Auletta SA 18 2336 80328
Salvitelle SA 19 560 80888
Abriola PZ 20 1531 82419

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Potenza (67122 inhabitants)
54 Km E of Battipaglia (50786 inhabitants)
75 Km E of Salerno (135261 inhabitants)
80 Km E of Cava de' Tirreni (53659 inhabitants)
84 Km SE of Avellino (54857 inhabitants)
88 Km W of Matera (60436 inhabitants)
91 Km W of Altamura (70396 inhabitants)
94 Km S of Cerignola (58396 inhabitants)
96 Km E of Scafati (50787 inhabitants)
98 Km E of Castellammare di Stabia (66466 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
Rev 1000 ML 0.8 2019-02-18
12:58:18
40.45 15.59 1 2019-08-22
08:25:03
Bollettino Sismico Italiano INGV 69738531
Rev 100 ML 1.1 2019-02-18
12:58:17
40.55 15.63 18 2019-02-18
13:08:21
Sala Sismica INGV-Roma 65661611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-18 12:58:18 ± 0.12
Latitude 40.45 ± 0.01
Longitude 15.59 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 69738531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 740
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 780
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 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.41009
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:1.1

Field Value
Value 1.1
Uncertainty 0.6
Num. used stations 8
Type of magnitude ML
Reference to an origin 65661611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-18 13:08:21

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 69738531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-20 13:48:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.BULG.HHZ. 2019-02-18T12:58:27.16 0.3 undecidable manual P 204 0.4101 91 -0.17 70
IV.MGR.HHZ. 2019-02-18T12:58:25.20 0.1 undecidable manual P 185 0.3184 91 -0.09 97
IV.CMPR.HHZ. 2019-02-18T12:58:24.07 0.1 undecidable manual P 238 0.259 91 0.1 98
IV.MCEL.HHZ. 2019-02-18T12:58:23.15 0.1 undecidable manual P 129 0.2059 91 0.35 94
IV.CDRU.HHZ. 2019-02-18T12:58:23.25 0.3 undecidable manual P 279 0.2212 91 0.12 74
IX.STN3.HHZ.02 2019-02-18T12:58:20.00 0.3 undecidable manual P 31 0.0881 93 -0.17 75
IV.SLCN.HHZ. 2019-02-18T12:58:19.65 0.1 undecidable manual P 154 0.0719 94 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.STN3.HHE.02 ML:0 0.0187 1.7 AML other m 2019-02-18T12:58:24.85
IX.STN3.HHN.02 ML:0 0.01475 0.24 AML other m 2019-02-18T12:58:25.69
IV.CDRU.HHE. ML:1.1 8.34E-5 0.22 AML other m 2019-02-18T12:58:29.86
IV.CDRU.HHN. ML:0.7 2.8E-5 1.52 AML other m 2019-02-18T12:58:29.15
IV.CMPR.HHE. ML:0.6 2.14E-5 0.32 AML other m 2019-02-18T12:58:32.67
IV.CMPR.HHN. ML:0.7 2.39E-5 0.28 AML other m 2019-02-18T12:58:32.98
IV.MCEL.HHE. ML:1 7.555E-5 0.32 AML other m 2019-02-18T12:58:33.57
IV.MCEL.HHN. ML:1 6.695E-5 0.3 AML other m 2019-02-18T12:58:33.57
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download