Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-10-2021 and time 02:50:51 (UTC) in region 4 km E Anzano di Puglia (FG)

A magnitude ML 1.9 earthquake occured in region: 4 km E Anzano di Puglia (FG), on

  • 22-10-2021 02:50:51 (UTC)
  • 22-10-2021 04:50:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1180, 15.3330 at 17 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
Anzano di Puglia FG 4 1284 1284
Scampitella AV 4 1234 2518
Accadia FG 5 2376 4894
Sant'Agata di Puglia FG 5 1959 6853
Monteleone di Puglia FG 8 1021 7874
Vallesaccarda AV 9 1386 9260
Lacedonia AV 11 2340 11600
Rocchetta Sant'Antonio FG 11 1875 13475
Zungoli AV 11 1099 14574
Vallata AV 11 2714 17288
Trevico AV 11 993 18281
Bisaccia AV 12 3831 22112
San Sossio Baronia AV 12 1643 23755
Panni FG 12 804 24559
Deliceto FG 13 3828 28387
San Nicola Baronia AV 13 771 29158
Castel Baronia AV 14 1129 30287
Carife AV 14 1408 31695
Villanova del Battista AV 15 1690 33385
Bovino FG 15 3309 36694
Candela FG 15 2728 39422
Flumeri AV 16 2963 42385
Montaguto AV 16 423 42808
Savignano Irpino AV 18 1140 43948
Aquilonia AV 19 1739 45687
Orsara di Puglia FG 19 2767 48454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Foggia (151991 inhabitants)
46 Km E of Benevento (60091 inhabitants)
50 Km E of Avellino (54857 inhabitants)
51 Km W of Cerignola (58396 inhabitants)
63 Km S of San Severo (53905 inhabitants)
64 Km NE of Battipaglia (50786 inhabitants)
66 Km NW of Potenza (67122 inhabitants)
69 Km NE of Salerno (135261 inhabitants)
70 Km NE of Cava de' Tirreni (53659 inhabitants)
75 Km SW of Manfredonia (57279 inhabitants)
79 Km NE of Scafati (50787 inhabitants)
82 Km W of Andria (100440 inhabitants)
82 Km W of Barletta (94814 inhabitants)
83 Km E of Acerra (59573 inhabitants)
84 Km E of Caserta (76326 inhabitants)
86 Km NE of Castellammare di Stabia (66466 inhabitants)
88 Km E of Portici (55274 inhabitants)
89 Km E of Afragola (65057 inhabitants)
89 Km E of Torre del Greco (86275 inhabitants)
90 Km E of Ercolano (53709 inhabitants)
91 Km E of Casoria (77642 inhabitants)
92 Km W of Trani (56217 inhabitants)
96 Km E of Aversa (53047 inhabitants)
96 Km E of Napoli (974074 inhabitants)
97 Km E of Giugliano in Campania (122974 inhabitants)
99 Km E of Marano di Napoli (59874 inhabitants)
99 Km W of Bisceglie (55422 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 1.9 2021-10-22
02:50:51		 41.1182 15.3333 17 2022-03-30
13:04:38		 Bollettino Sismico Italiano INGV 101222861
Reviewed
Rev100 		ML 1.8 2021-10-22
02:50:51		 41.1173 15.3612 19 2021-10-22
03:05:01		 Sala Sismica INGV-Roma 96864361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-22 02:50:51 ± 0.12
Latitude 41.1182 ± 0.0063
Longitude 15.3333 ± 0.0107
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101222861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 929
Semi-minor axis of confidence ellipse (meter) 477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.73385
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 101222861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-21 13:08:34

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 96864361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-22 03:05:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-10-22T02:51:12.19 0.6 undecidable manual S 345 67.377 96 0.06 45
OT.OT05.EHZ. 2021-10-22T02:51:10.78 0.6 undecidable manual S 20 64.0914 96 -0.46 42
IV.MSAG.HNE. 2021-10-22T02:51:06.93 0.3 undecidable manual P 36 81.4518 95 1.32 41
IV.SGRT.HHN. 2021-10-22T02:51:05.52 0.3 undecidable manual P 26 78.4659 95 0.38 61
OT.OT12.EHZ. 2021-10-22T02:51:05.34 0.3 undecidable manual P 40 74.37 95 0.82 53
OT.OT04.EHE. 2021-10-22T02:51:04.05 0.3 undecidable manual P 17 69.8745 96 0.23 64
IV.APRC.HHN. 2021-10-22T02:51:04.78 0.3 undecidable manual P 14 73.0713 95 0.47 61
IV.MCRV.HHZ. 2021-10-22T02:51:04.36 0.6 undecidable manual S 200 39.7269 102 -0.45 43
IV.MRVN.HHZ. 2021-10-22T02:51:04.69 0.6 undecidable manual P 95 72.372 95 0.48 40
OT.OT06.EHZ. 2021-10-22T02:51:03.36 0.3 undecidable manual P 19 66.5778 96 0.04 67
OT.OT05.EHZ. 2021-10-22T02:51:02.46 0.3 undecidable manual P 20 64.0914 96 -0.48 62
IV.MRB1.HHE. 2021-10-22T02:51:02.72 0.3 undecidable manual S 271 30.5472 107 0.29 69
IV.MELA.HHZ. 2021-10-22T02:51:02.68 0.3 undecidable manual P 345 67.377 96 -0.77 54
OT.OT07.EHE. 2021-10-22T02:51:02.12 0.3 undecidable manual P 30 64.3911 96 -0.87 53
IX.CLT3.EHZ.02 2021-10-22T02:51:01.14 0.6 undecidable manual S 166 24.5532 113 0.2 47
IX.SALI.HNZ.01 2021-10-22T02:51:01.54 0.3 undecidable manual S 212 24.4533 113 0.62 64
IV.PALZ.HHN. 2021-10-22T02:51:01.71 0.6 undecidable manual P 110 55.8996 98 0.02 46
IV.SNAL.HHZ. 2021-10-22T02:51:00.91 0.1 undecidable manual S 206 23.754 114 0.17 95
IV.MRLC.HNN. 2021-10-22T02:50:59.50 0.3 undecidable manual P 162 42.2244 101 -0.1 69
OT.OT11.EHZ. 2021-10-22T02:50:59.29 0.3 undecidable manual P 0 44.0226 100 -0.58 62
IV.MCRV.HHZ. 2021-10-22T02:50:58.63 0.3 undecidable manual P 200 39.7269 102 -0.59 61
IV.CAFE.HHZ. 2021-10-22T02:50:58.66 0.6 undecidable manual S 219 12.876 135 0.34 47
IV.MOCO.HHZ. 2021-10-22T02:50:58.13 0.3 undecidable manual P 332 31.5462 106 0.13 71
IX.SSB3.HHZ.02 2021-10-22T02:50:58.08 0.6 undecidable manual S 243 9.7791 144 0.31 47
IV.MRB1.HHE. 2021-10-22T02:50:57.90 0.1 undecidable manual P 271 30.5472 107 0.05 97
IX.CLT3.EHZ.02 2021-10-22T02:50:57.60 0.3 undecidable manual P 166 24.5532 113 0.61 64
IX.LGS3.HNN.01 2021-10-22T02:50:57.89 0.3 undecidable manual P 243 32.1456 106 -0.21 68
IV.SGTA.HHZ. 2021-10-22T02:50:56.78 0.6 undecidable manual S 55 3.2967 167 -0.27 49
IV.SNAL.HHZ. 2021-10-22T02:50:56.56 0.1 undecidable manual P 206 23.754 114 -0.32 91
IX.SALI.HNZ.01 2021-10-22T02:50:56.74 0.1 undecidable manual P 212 24.4533 113 -0.24 92
IV.BIOG.HHZ. 2021-10-22T02:50:56.74 0.3 undecidable manual P 299 19.0698 121 0.51 67
IX.SSB3.HHZ.02 2021-10-22T02:50:55.16 0.1 undecidable manual P 243 9.7791 144 0 100
IV.CAFE.HHZ. 2021-10-22T02:50:55.17 0.3 undecidable manual P 219 12.876 135 -0.31 70
IV.SGTA.HHZ. 2021-10-22T02:50:54.04 0.1 undecidable manual P 55 3.2967 167 -0.7 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGTA.HNN. ML:2.2 0.001605 0.62 AML other m 2021-10-22T02:50:56.95
IV.SGTA.HHN. ML:2.2 0.001565 0.28 AML other m 2021-10-22T02:50:57.92
IV.SGTA.HNE. ML:2.3 0.001985 0.36 AML other m 2021-10-22T02:50:58.10
IV.SGTA.HHE. ML:2.3 0.002065 1.6 AML other m 2021-10-22T02:50:58.10
IV.CAFE.HHE. ML:1.5 0.000277 0.72 AML other m 2021-10-22T02:50:58.83
IX.SSB3.HHN.02 ML:1.7 0.00041000000000000005 1.68 AML other m 2021-10-22T02:50:58.04
IV.CAFE.HHN. ML:1.6 0.00035499999999999996 1.12 AML other m 2021-10-22T02:50:59.26
IV.CAFE.HNN. ML:1.6 0.00031800000000000003 1.12 AML other m 2021-10-22T02:50:59.82
IX.SSB3.HHE.02 ML:1.7 0.000482 0.88 AML other m 2021-10-22T02:50:59.86
IV.CAFE.HNE. ML:1.7 0.0003785 0.26 AML other m 2021-10-22T02:51:00.68
IV.SNAL.HNN. ML:1.9 0.00039549999999999996 0.6 AML other m 2021-10-22T02:51:01.16
IV.SNAL.HHN. ML:1.8 0.000326 0.6 AML other m 2021-10-22T02:51:01.16
IV.SNAL.HNE. ML:2.0 0.0005865 1.32 AML other m 2021-10-22T02:51:01.17
IV.SNAL.HHE. ML:2.0 0.0006284999999999999 1.32 AML other m 2021-10-22T02:51:01.17
IV.MELA.HNE. ML:2.2 0.000241 1.16 AML other m 2021-10-22T02:51:04.71
IV.MELA.HNN. ML:2.2 0.00023899999999999998 1.08 AML other m 2021-10-22T02:51:04.73
OT.OT11.EHE. ML:1.8 0.00017999999999999998 0.7 AML other m 2021-10-22T02:51:06.49
OT.OT11.EHN. ML:1.9 0.00022700000000000002 0.56 AML other m 2021-10-22T02:51:06.84
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