Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 02-02-2021 and time 02:16:33 (Italy) in region 3 km NE Pietrapertosa (PZ)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Pietrapertosa (PZ), on

  • 02-02-2021 01:16:33 (UTC)
  • 02-02-2021 02:16:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5370, 16.0860 at 21 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pietrapertosa PZ 3 1032 1032
Castelmezzano PZ 3 800 1832
Campomaggiore PZ 4 811 2643
Albano di Lucania PZ 7 1435 4078
Accettura MT 8 1856 5934
Oliveto Lucano MT 9 450 6384
Trivigno PZ 10 678 7062
Tricarico MT 10 5388 12450
Calciano MT 11 777 13227
Garaguso MT 12 1073 14300
Laurenzana PZ 13 1797 16097
Anzi PZ 14 1696 17793
Brindisi Montagna PZ 15 908 18701
San Mauro Forte MT 15 1552 20253
San Chirico Nuovo PZ 16 1368 21621
Gorgoglione MT 17 989 22610
Corleto Perticara PZ 17 2511 25121
Cirigliano MT 18 375 25496
Tolve PZ 18 3251 28747
Stigliano MT 19 4361 33108
Guardia Perticara PZ 19 552 33660
Salandra MT 20 2829 36489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Potenza (67122 inhabitants)
46 Km W of Matera (60436 inhabitants)
51 Km SW of Altamura (70396 inhabitants)
79 Km S of Andria (100440 inhabitants)
82 Km SW of Bitonto (55540 inhabitants)
83 Km S of Cerignola (58396 inhabitants)
86 Km SW of Bisceglie (55422 inhabitants)
86 Km SW of Molfetta (59874 inhabitants)
87 Km SW of Trani (56217 inhabitants)
89 Km S of Barletta (94814 inhabitants)
93 Km SW of Bari (326344 inhabitants)
93 Km E of Battipaglia (50786 inhabitants)
97 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 		ML 1.4 2021-02-02
01:16:33		 40.5368 16.0858 21 2021-07-12
16:54:57		 Bollettino Sismico Italiano INGV 86802381
Reviewed
Rev100 		ML 1.6 2021-02-02
01:16:33		 40.5325 16.0862 23 2021-02-02
01:23:33		 Sala Sismica INGV-Roma 86773881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-02 01:16:33 ± 0.09
Latitude 40.5368 ± 0.0036
Longitude 16.0858 ± 0.0059
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86802381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 44
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 86773881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-02 01:23:33

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86802381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-03 10:02:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2021-02-02T01:16:53.07 0.3 undecidable manual S 47 59.8956 102 0.38 64
IV.MRVN.HHZ. 2021-02-02T01:16:52.07 0.3 undecidable manual S 9 58.8966 102 -0.36 63
OT.OT11.EHZ. 2021-02-02T01:16:52.79 3.0 positive manual P 2.28 0
IV.SCHR.EHZ. 2021-02-02T01:16:47.20 0.3 undecidable manual S 181 37.4292 111 0.26 67
IV.MIGL.HHZ. 2021-02-02T01:16:45.25 0.3 undecidable manual S 76 30.8469 116 -0.07 70
IV.AMUR.HHZ. 2021-02-02T01:16:45.08 0.3 undecidable manual P 47 59.8956 102 0.3 64
IV.MCEL.HHZ. 2021-02-02T01:16:45.76 0.3 undecidable manual S 226 33.5442 114 -0.22 69
IV.ACER.HHZ. 2021-02-02T01:16:45.20 0.3 undecidable manual S 337 30.2475 117 0.03 72
IX.VGG3.HNN.01 2021-02-02T01:16:44.55 0.3 undecidable manual S 215 27.1506 120 0.09 71
IV.MRVN.HHZ. 2021-02-02T01:16:44.71 0.3 undecidable manual P 9 58.8966 102 0.09 67
IV.PALZ.HHN. 2021-02-02T01:16:42.96 0.6 undecidable manual P 347 46.4202 106 0.2 45
IV.SCHR.EHZ. 2021-02-02T01:16:41.45 0.3 undecidable manual P 181 37.4292 111 -0.01 71
IV.MIGL.HHZ. 2021-02-02T01:16:40.20 0.1 negative manual P 76 30.8469 116 -0.32 89
IV.MCEL.HHZ. 2021-02-02T01:16:40.81 0.1 negative manual P 226 33.5442 114 -0.09 94
IV.ACER.HHZ. 2021-02-02T01:16:40.57 0.3 undecidable manual P 337 30.2475 117 0.13 70
IV.PTRP.HHZ. 2021-02-02T01:16:40.88 0.3 undecidable manual S 231 2.6973 172 0.33 71
IV.CRAC.EHZ. 2021-02-02T01:16:40.67 0.6 undecidable manual P 120 34.1436 113 -0.31 44
IX.PGN3.HNZ.02 2021-02-02T01:16:39.69 0.3 undecidable manual P 279 24.6531 123 -0.01 72
IX.VGG3.HNN.01 2021-02-02T01:16:39.87 0.3 undecidable manual P 215 27.1506 120 -0.16 70
IV.PTRP.HHZ. 2021-02-02T01:16:37.81 0.1 positive manual P 231 2.6973 172 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTRP.HHN. ML:1.5 0.0002515 0.78 AML other m 2021-02-02T01:16:41.77
IV.PTRP.HHE. ML:1.5 0.00022649999999999998 0.58 AML other m 2021-02-02T01:16:41.58
IV.MCEL.HNE. ML:1.7 0.0001895 0.44 AML other m 2021-02-02T01:16:47.74
IV.MCEL.HNN. ML:1.7 0.00019700000000000002 0.28 AML other m 2021-02-02T01:16:47.86
IV.MIGL.HHE. ML:1.8 0.00026423565 1.6 AML other m 2021-02-02T01:16:55.40
IV.MIGL.HHN. ML:1.8 0.0002510505 1.58 AML other m 2021-02-02T01:16:41.18
IV.ACER.HHN. ML:1.2 0.00005986449 1.04 AML other m 2021-02-02T01:16:41.38
IV.ACER.HNN. ML:1.7 0.00019117880000000002 0.66 AML other m 2021-02-02T01:16:49.31
IV.ACER.HNE. ML:1.4 0.00010648003 0.4 AML other m 2021-02-02T01:16:46.99
IV.ACER.HHE. ML:1.4 0.00010572813 2.12 AML other m 2021-02-02T01:16:56.25
IV.MCEL.HHN. ML:1.3 0.000068005565 0.32 AML other m 2021-02-02T01:16:47.36
IV.MCEL.HHE. ML:1.2 0.000055964385 0.14 AML other m 2021-02-02T01:16:46.62
IV.SCHR.EHE. ML:1.0 0.000030542075 0.16 AML other m 2021-02-02T01:16:48.16
IV.SCHR.EHN. ML:1.0 0.000032391445 0.08 AML other m 2021-02-02T01:16:47.32
IV.AMUR.HHE. ML:1.0 0.0000202513555 0.14 AML other m 2021-02-02T01:16:56.75
IV.AMUR.HHN. ML:1.0 0.000022328420000000003 0.24 AML other m 2021-02-02T01:16:54.55
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