Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-10-2021 and time 04:38:16 (Italy) in region 3 km NW Maschito (PZ)

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

  • 29-10-2021 02:38:16 (UTC)
  • 29-10-2021 04:38:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9250, 15.8040 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.

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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
Maschito PZ 3 1670 1670
Venosa PZ 5 11863 13533
Ginestra PZ 6 747 14280
Ripacandida PZ 7 1744 16024
Forenza PZ 9 2122 18146
Rionero in Vulture PZ 11 13230 31376
Barile PZ 11 2785 34161
Rapolla PZ 12 4432 38593
Atella PZ 14 3827 42420
Lavello PZ 14 13626 56046
Melfi PZ 15 17767 73813
Palazzo San Gervasio PZ 15 4914 78727
Filiano PZ 15 2926 81653
Montemilone PZ 18 1617 83270
Acerenza PZ 19 2402 85672
Banzi PZ 19 1361 87033

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Potenza (67122 inhabitants)
39 Km S of Cerignola (58396 inhabitants)
53 Km SW of Andria (100440 inhabitants)
59 Km SW of Barletta (94814 inhabitants)
64 Km SE of Foggia (151991 inhabitants)
64 Km W of Altamura (70396 inhabitants)
65 Km SW of Trani (56217 inhabitants)
69 Km SW of Bisceglie (55422 inhabitants)
73 Km W of Matera (60436 inhabitants)
74 Km W of Molfetta (59874 inhabitants)
78 Km E of Battipaglia (50786 inhabitants)
78 Km W of Bitonto (55540 inhabitants)
79 Km S of Manfredonia (57279 inhabitants)
85 Km E of Avellino (54857 inhabitants)
89 Km E of Benevento (60091 inhabitants)
92 Km SE of San Severo (53905 inhabitants)
92 Km E of Salerno (135261 inhabitants)
92 Km W of Bari (326344 inhabitants)
96 Km E of Cava de' Tirreni (53659 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 2021-10-29
02:38:16		 40.9252 15.8038 10 2022-03-30
13:04:30		 Bollettino Sismico Italiano INGV 99741481
Reviewed
Rev100 		ML 1.4 2021-10-29
02:38:16		 40.9338 15.8065 10 2021-10-29
02:46:00		 Sala Sismica INGV-Roma 97048181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-29 02:38:16 ± 0.08
Latitude 40.9252 ± 0.0054
Longitude 15.8038 ± 0.0048
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99741481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 572
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 99741481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-13 12:48:57

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 97048181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-29 02:46:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2021-10-29T02:39:31.74 3.0 undecidable manual Sn 1.91 0
IV.SRES.HHZ. 2021-10-29T02:39:03.74 3.0 undecidable manual Pn 0.73 0
IV.IST3.HHZ. 2021-10-29T02:38:52.46 3.0 negative manual Pn -3.14 0
IV.MCRV.HHZ. 2021-10-29T02:38:34.45 0.3 undecidable manual S 254 55.5999 50 0.14 68
IV.APRC.HHZ. 2021-10-29T02:38:32.65 0.6 undecidable manual P 347 94.8384 50 -0.32 40
OT.OT05.EHZ. 2021-10-29T02:38:31.54 0.3 undecidable manual P 348 83.1501 50 0.37 61
OT.OT12.EHZ. 2021-10-29T02:38:30.75 0.3 undecidable manual P 6 78.8655 50 0.24 64
IV.MTSN.HNZ. 2021-10-29T02:38:29.52 0.3 undecidable manual P 183 73.2711 50 -0.12 66
IV.MRLC.HHZ. 2021-10-29T02:38:28.34 1.0 undecidable manual S 235 32.3454 50 0.22 23
IV.CDRU.HNZ. 2021-10-29T02:38:28.33 0.3 undecidable manual P 221 63.9915 50 0.11 67
IV.MRVN.HHZ. 2021-10-29T02:38:28.58 0.3 undecidable manual S 65 36.1416 50 -0.53 64
IV.AMUR.HHZ. 2021-10-29T02:38:28.73 0.6 undecidable manual P 91 67.0773 50 0.03 45
IX.BEL3.HNE.01 2021-10-29T02:38:27.05 0.6 undecidable manual S 211 27.1506 50 0.33 46
IX.SRN3.HNE.02 2021-10-29T02:38:26.74 0.3 undecidable manual P 211 56.6988 50 -0.36 65
IV.PTRP.HHZ. 2021-10-29T02:38:26.94 0.3 undecidable manual P 154 49.7169 50 0.92 53
IV.MCRV.HHZ. 2021-10-29T02:38:26.82 0.3 undecidable manual P 254 55.5999 50 -0.11 68
IV.SGO.HHE. 2021-10-29T02:38:26.92 0.3 undecidable manual P 226 58.0974 50 -0.39 64
IX.RDM3.HHN.02 2021-10-29T02:38:25.14 0.6 undecidable manual S 256 23.1546 114 -0.47 45
IX.PGN3.HHZ.02 2021-10-29T02:38:24.36 0.3 undecidable manual P 181 39.1275 50 -0.03 71
IX.CLT3.HNE.02 2021-10-29T02:38:24.02 0.6 undecidable manual P 266 33.5442 50 0.49 44
IV.ACER.HHZ. 2021-10-29T02:38:24.44 0.3 undecidable manual S 143 19.2696 118 0.03 74
IV.PALZ.HHZ. 2021-10-29T02:38:23.08 0.6 undecidable manual S 81 13.2756 128 0.42 46
IV.VULT.HHZ. 2021-10-29T02:38:23.26 0.3 undecidable manual S 282 16.0728 123 -0.19 72
IV.MRVN.HHZ. 2021-10-29T02:38:23.66 0.1 undecidable manual P 65 36.1416 50 -0.26 91
IX.SCL3.EHN.02 2021-10-29T02:38:23.88 1.0 undecidable manual P 224 35.4423 50 0.07 24
IX.AVG3.HNE.01 2021-10-29T02:38:23.79 0.6 undecidable manual S 200 19.2696 118 -0.62 43
IX.RDM3.HHN.02 2021-10-29T02:38:22.57 0.3 undecidable manual P 256 23.1546 114 0.67 62
IV.MRLC.HHZ. 2021-10-29T02:38:22.96 0.6 undecidable manual P 235 32.3454 50 -0.39 45
IX.BEL3.HNE.01 2021-10-29T02:38:22.44 0.3 undecidable manual P 211 27.1506 50 -0.1 72
IX.SFL3.HNE.01 2021-10-29T02:38:22.19 0.6 undecidable manual P 231 24.2535 50 0.1 48
IV.ACER.HHZ. 2021-10-29T02:38:21.08 0.1 undecidable manual P 143 19.2696 118 -0.13 97
IX.AVG3.HNE.01 2021-10-29T02:38:21.53 0.3 undecidable manual P 200 19.2696 118 0.32 70
IV.PALZ.HHZ. 2021-10-29T02:38:20.21 0.1 positive manual P 81 13.2756 128 0.01 100
IV.VULT.HHZ. 2021-10-29T02:38:20.57 0.3 undecidable manual P 282 16.0728 123 -0.08 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VULT.HNE. ML:1.5 0.0002734595 0.1504 AML other m 2021-10-29T02:38:23.86
IV.VULT.HHE. ML:1.6 0.000313 0.14 AML other m 2021-10-29T02:38:23.86
IV.VULT.HHN. ML:1.5 0.00027400000000000005 0.88 AML other m 2021-10-29T02:38:25.22
IV.VULT.HNN. ML:1.4 0.00024210715 0.12 AML other m 2021-10-29T02:38:25.22
IV.ACER.HHE. ML:1.4 0.0001975 0.18 AML other m 2021-10-29T02:38:26.36
IV.ACER.HNE. ML:1.4 0.000183 0.18 AML other m 2021-10-29T02:38:26.27
IV.PALZ.HHN. ML:1.3 0.000221 0.58 AML other m 2021-10-29T02:38:26.32
IV.PALZ.HHE. ML:1.4 0.00023349999999999998 0.84 AML other m 2021-10-29T02:38:26.33
IV.ACER.HNN. ML:1.2 0.0001182 0.68 AML other m 2021-10-29T02:38:27.57
IV.MRVN.HHN. ML:1.3 0.00007675000000000001 0.7 AML other m 2021-10-29T02:38:29.72
IV.ACER.HHN. ML:1.2 0.00012825 0.72 AML other m 2021-10-29T02:38:29.06
IV.MRLC.HHE. ML:1.2 0.0000699 1.06 AML other m 2021-10-29T02:38:29.41
IV.MRVN.HHE. ML:1.3 0.00006915 0.74 AML other m 2021-10-29T02:38:30.52
IV.MRLC.HHN. ML:1.2 0.00007035 1.64 AML other m 2021-10-29T02:38:30.06
IV.MCRV.HHN. ML:1.5 0.0000631 0.54 AML other m 2021-10-29T02:38:36.35
IV.MCRV.HHE. ML:1.3 0.00005075 0.56 AML other m 2021-10-29T02:38:37.08
IV.AMUR.HHE. ML:1.5 0.000054499999999999997 0.42 AML other m 2021-10-29T02:38:41.77
IV.AMUR.HHN. ML:1.5 0.00006214999999999999 0.62 AML other m 2021-10-29T02:38:42.02
IV.MTSN.HHN. ML:1.5 0.00004795 1.42 AML other m 2021-10-29T02:38:43.96
IV.MTSN.HHE. ML:1.4 0.000039 1.36 AML other m 2021-10-29T02:38:45.74
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