Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 02-02-2020 and time 12:20:31 (Italy) in region 5 km NW Melfi (PZ)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Melfi (PZ), on

  • 02-02-2020 11:20:31 (UTC)
  • 02-02-2020 12:20:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0360, 15.6300 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Melfi PZ 5 17767 17767
Rapolla PZ 7 4432 22199
Monteverde AV 9 784 22983
Barile PZ 11 2785 25768
Rionero in Vulture PZ 13 13230 38998
Aquilonia AV 14 1739 40737
Lavello PZ 15 13626 54363
Ginestra PZ 15 747 55110
Candela FG 15 2728 57838
Ripacandida PZ 16 1744 59582
Rocchetta Sant'Antonio FG 16 1875 61457
Lacedonia AV 17 2340 63797
Atella PZ 18 3827 67624
Venosa PZ 18 11863 79487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Cerignola (58396 inhabitants)
46 Km NW of Potenza (67122 inhabitants)
48 Km S of Foggia (151991 inhabitants)
60 Km W of Andria (100440 inhabitants)
63 Km SW of Barletta (94814 inhabitants)
70 Km SW of Manfredonia (57279 inhabitants)
71 Km W of Trani (56217 inhabitants)
71 Km E of Avellino (54857 inhabitants)
72 Km E of Benevento (60091 inhabitants)
72 Km NE of Battipaglia (50786 inhabitants)
75 Km S of San Severo (53905 inhabitants)
77 Km W of Bisceglie (55422 inhabitants)
81 Km W of Altamura (70396 inhabitants)
83 Km E of Salerno (135261 inhabitants)
84 Km W of Molfetta (59874 inhabitants)
86 Km E of Cava de' Tirreni (53659 inhabitants)
90 Km W of Bitonto (55540 inhabitants)
91 Km W of Matera (60436 inhabitants)
98 Km E of Scafati (50787 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 2020-02-02
11:20:31		 41.0358 15.6302 11 2020-07-18
21:08:22		 Bollettino Sismico Italiano INGV 76902401
Reviewed
Rev100 		ML 1.5 2020-02-02
11:20:31		 41.0233 15.5718 10 2020-02-02
11:28:57		 Sala Sismica INGV-Roma 76130591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-02 11:20:31 ± 0.19
Latitude 41.0358 ± 0.0117
Longitude 15.6302 ± 0.0155
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76902401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1246
Semi-minor axis of confidence ellipse (meter) 1212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 172
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.79518
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 76902401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-28 19:01:30

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76130591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-02 11:28:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-02-02T11:23:53.50 3.0 undecidable manual S 409.2792 9.999 0
IV.SOI.EHZ. 2020-02-02T11:22:11.39 3.0 undecidable manual Sg 5.4 0
IV.USI.HHZ. 2020-02-02T11:22:01.88 3.0 undecidable manual Sg 3.7 0
IV.FIR.HHZ. 2020-02-02T11:21:54.38 3.0 undecidable manual Sn -2.71 0
IV.IFIL.HHZ. 2020-02-02T11:21:52.46 3.0 undecidable manual Sn -1.18 0
HL.VLS.HHZ. 2020-02-02T11:21:48.56 3.0 negative manual P 529.2702 4.75 0
CR.ZAG.BHZ. 2020-02-02T11:21:26.32 3.0 undecidable manual P 532.2672 -9.99 0
IV.VIVA.HHZ. 2020-02-02T11:21:14.45 3.0 undecidable manual Sn -2.47 0
IV.CPGN.EHZ. 2020-02-02T11:21:08.57 3.0 undecidable manual P 409.2792 -9.99 0
IV.MAON.HHZ. 2020-02-02T11:21:08.27 3.0 undecidable manual P 403.1964 -9.99 0
IV.VCEL.EHZ. 2020-02-02T11:20:59.77 3.0 undecidable manual S -0.4 0
IV.ARRO.EHZ. 2020-02-02T11:20:54.56 3.0 negative manual P 292.1853 -9.99 0
IV.MMUR.HNZ. 2020-02-02T11:20:53.30 3.0 positive manual P 343.5006 -9.99 0
OT.OT05.EHE. 2020-02-02T11:20:44.08 0.3 undecidable manual P 358 69.1752 50 0.69 59
IV.AMUR.HHZ. 2020-02-02T11:20:44.79 0.3 undecidable manual P 100 82.8504 50 -0.7 55
IV.PALZ.HHZ. 2020-02-02T11:20:42.10 0.3 undecidable manual S 110 29.4483 50 0.45 68
IV.MRLC.HHZ. 2020-02-02T11:20:42.70 0.3 undecidable manual S 201 33.1446 50 0.05 71
IX.CLT3.HHZ.02 2020-02-02T11:20:41.30 0.3 undecidable manual S 232 23.9538 50 1.11 55
OT.OT11.EHE. 2020-02-02T11:20:41.60 0.6 undecidable manual P 335 58.497 50 -0.14 45
IV.MRLC.HHZ. 2020-02-02T11:20:37.63 0.3 undecidable manual P 201 33.1446 50 -0.22 69
IV.CAPA.HNE. 2020-02-02T11:20:36.85 0.6 undecidable manual P 49 20.6682 50 0.93 35
IV.VULT.HHZ. 2020-02-02T11:20:36.00 0.3 undecidable manual S 187 9.0798 140 -0.19 75
IV.INTR.HHZ. 2020-02-02T11:20:36.64 3.0 negative manual P 179.5869 -9.99 0
IV.PALZ.HHZ. 2020-02-02T11:20:36.86 0.3 undecidable manual P 110 29.4483 50 -0.41 68
IX.RDM3.HHN.02 2020-02-02T11:20:36.03 0.3 undecidable manual P 204 19.4694 50 0.3 69
IX.CLT3.HHZ.02 2020-02-02T11:20:36.33 0.1 undecidable manual P 232 23.9538 50 -0.1 96
IV.SGTA.HNZ. 2020-02-02T11:20:35.99 0.3 undecidable manual P 296 24.753 50 -0.55 64
IV.VULT.HHZ. 2020-02-02T11:20:34.03 0.1 undecidable manual P 187 9.0798 140 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VULT.HNE. ML:1.6 0.0005574999999999999 0.8 AML other m 2020-02-02T11:20:36.78
IV.VULT.HNN. ML:1.6 0.000583 1.16 AML other m 2020-02-02T11:20:37.58
IV.VULT.HHN. ML:1.8 0.0008813563 0.16 AML other m 2020-02-02T11:20:36.32
IV.VULT.HHE. ML:1.7 0.0007193038000000001 0.1024 AML other m 2020-02-02T11:20:36.54
IX.CLT3.HHE.02 ML:1.2 0.00009728247500000001 0.2048 AML other m 2020-02-02T11:20:42.69
IX.CLT3.HHN.02 ML:1.4 0.00015875975 0.16 AML other m 2020-02-02T11:20:42.21
IV.MRLC.HHN. ML:0.7 0.000019867315 0.1408 AML other m 2020-02-02T11:20:43.55
IV.MRLC.HHE. ML:0.6 0.000015509780500000002 0.2816 AML other m 2020-02-02T11:20:42.47
IV.AMUR.HHN. ML:1.2 0.000018331590000000002 0.3392 AML other m 2020-02-02T11:20:58.49
IV.AMUR.HHE. ML:1.1 0.000015285825 0.5376 AML other m 2020-02-02T11:20:59.02
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
Waveforms Seismic signals in miniseed + resp format not available