Earthquake with magnitude of ML 1.2 on date 31-12-2019 and time 11:24:32 (Italy) in region 4 km N Satriano di Lucania (PZ)

A magnitude ML 1.2 earthquake occured in region: 4 km N Satriano di Lucania (PZ), on

  • 31-12-2019 10:24:32 (UTC)
  • 31-12-2019 11:24:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.58, 15.63 at 8 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
Satriano di Lucania PZ 4 2374 2374
Tito PZ 4 7332 9706
Picerno PZ 7 5985 15691
Savoia di Lucania PZ 7 1127 16818
Sant'Angelo Le Fratte PZ 7 1429 18247
Sasso di Castalda PZ 11 835 19082
Vietri di Potenza PZ 11 2832 21914
Brienza PZ 11 4078 25992
Caggiano SA 12 2765 28757
Baragiano PZ 12 2671 31428
Pignola PZ 13 6962 38390
Balvano PZ 13 1830 40220
Polla SA 14 5279 45499
Salvitelle SA 15 560 46059
Atena Lucana SA 15 2336 48395
Ruoti PZ 16 3579 51974
Potenza PZ 16 67122 119096
Ricigliano SA 16 1144 120240
Pertosa SA 16 690 120930
Abriola PZ 17 1531 122461
Sant'Arsenio SA 17 2815 125276
Romagnano al Monte SA 18 368 125644
Auletta SA 18 2336 127980
Avigliano PZ 18 11577 139557
San Pietro al Tanagro SA 19 1695 141252
Marsico Nuovo PZ 20 4098 145350
Sala Consilina SA 20 12664 158014

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Potenza (67122 inhabitants)
55 Km E of Battipaglia (50786 inhabitants)
75 Km E of Salerno (135261 inhabitants)
79 Km E of Cava de' Tirreni (53659 inhabitants)
80 Km S of Cerignola (58396 inhabitants)
80 Km E of Avellino (54857 inhabitants)
82 Km W of Matera (60436 inhabitants)
82 Km W of Altamura (70396 inhabitants)
91 Km SW of Andria (100440 inhabitants)
94 Km SE of Benevento (60091 inhabitants)
95 Km E of Scafati (50787 inhabitants)
98 Km E of Castellammare di Stabia (66466 inhabitants)
99 Km S of Foggia (151991 inhabitants)
99 Km SW of Barletta (94814 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
ML 1.2 2019-12-31
10:24:32
40.58 15.63 8 2020-02-28
16:42:20
Bollettino Sismico Italiano INGV 75792311
Reviewed
Rev100
ML 1.1 2019-12-31
10:24:29
40.7 15.72 5 2019-12-31
10:35:11
Sala Sismica INGV-Roma 75139011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-31 10:24:32 ± 0.36
Latitude 40.58 ± 0.01
Longitude 15.63 ± 0.02
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75792311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1630
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.32915
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 75792311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 09:48:06

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 75139011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-31 10:35:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ACER.HNZ. 2019-12-31T10:24:45.59 0.6 undecidable manual S 48 0.313 102 0.53 45
IV.MCEL.HHZ. 2019-12-31T10:24:44.24 0.6 undecidable manual S 153 0.2842 103 0.23 49
IV.PTRP.HHZ. 2019-12-31T10:24:40.88 0.3 undecidable manual P 100 0.3292 102 0.66 65
IV.ACER.HNZ. 2019-12-31T10:24:39.66 0.1 undecidable manual P 48 0.313 102 -0.19 98
IV.MCEL.HHZ. 2019-12-31T10:24:38.56 0.3 undecidable manual P 153 0.2842 103 -0.68 64
IV.CDRU.HHZ. 2019-12-31T10:24:38.63 0.1 undecidable manual P 250 0.2662 104 -0.21 99
IV.SLCN.HHZ. 2019-12-31T10:24:38.06 0.3 undecidable manual P 180 0.1889 110 0.85 61
IV.PZUN.HHZ. 2019-12-31T10:24:35.60 0.3 undecidable manual P 63 0.1475 115 -0.74 65
IX.VDP3.HNZ.01 2019-12-31T10:24:35.21 0.3 undecidable manual P 299 0.054 142 0.54 71
IX.STN3.HHZ.02 2019-12-31T10:24:35.98 0.6 undecidable manual S 165 0.0513 143 -0.04 53
IX.STN3.HHZ.02 2019-12-31T10:24:34.29 0.1 undecidable manual P 165 0.0513 143 -0.34 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.STN3.HHN.02 ML:0 0.019569485 0.1792 AML other m 2019-12-31T10:24:37.78
IX.STN3.HHE.02 ML:0 0.016654555 0.224 AML other m 2019-12-31T10:24:36.94
IV.PZUN.HHN. ML:1.4 0.00022050255 0.4416 AML other m 2019-12-31T10:24:41.95
IV.PZUN.HHE. ML:1.4 0.00026855225 0.4992 AML other m 2019-12-31T10:24:42.12
IV.PZUN.HNN. ML:1.4 0.0002601363 0.4224 AML other m 2019-12-31T10:24:41.94
IV.PZUN.HNE. ML:1.5 0.00027657755 0.5184 AML other m 2019-12-31T10:24:41.87
IV.MCEL.HHE. ML:1 4.6327375E-5 0.48 AML other m 2019-12-31T10:24:48.81
IV.CDRU.HHE. ML:0.7 2.587006E-5 0.1344 AML other m 2019-12-31T10:24:45.79
IV.CDRU.HHN. ML:0.6 1.8980285E-5 0.4032 AML other m 2019-12-31T10:24:47.03
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download