Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-05-2021 and time 00:45:42 (Italy) in region 2 km SW Zungoli (AV)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Zungoli (AV), on

  • 25-05-2021 22:45:42 (UTC)
  • 26-05-2021 00:45:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1120, 15.1940 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.

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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
Zungoli AV 2 1099 1099
Villanova del Battista AV 3 1690 2789
San Sossio Baronia AV 5 1643 4432
Flumeri AV 5 2963 7395
San Nicola Baronia AV 6 771 8166
Castel Baronia AV 7 1129 9295
Vallesaccarda AV 7 1386 10681
Trevico AV 8 993 11674
Anzano di Puglia FG 8 1284 12958
Monteleone di Puglia FG 8 1021 13979
Scampitella AV 9 1234 15213
Carife AV 9 1408 16621
Vallata AV 10 2714 19335
Ariano Irpino AV 10 22700 42035
Melito Irpino AV 12 1920 43955
Grottaminarda AV 12 8137 52092
Sturno AV 12 3080 55172
Accadia FG 13 2376 57548
Savignano Irpino AV 13 1140 58688
Frigento AV 14 3780 62468
Panni FG 14 804 63272
Greci AV 16 691 63963
Gesualdo AV 16 3516 67479
Bonito AV 16 2448 69927
Montaguto AV 16 423 70350
Sant'Agata di Puglia FG 16 1959 72309
Montecalvo Irpino AV 16 3725 76034
Guardia Lombardi AV 17 1718 77752
Fontanarosa AV 18 3170 80922
Villamaina AV 18 995 81917
Rocca San Felice AV 18 851 82768
Mirabella Eclano AV 19 7684 90452
Bisaccia AV 19 3831 94283
Bovino FG 20 3309 97592
Orsara di Puglia FG 20 2767 100359
Torella dei Lombardi AV 20 2144 102503

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Benevento (60091 inhabitants)
40 Km NE of Avellino (54857 inhabitants)
49 Km SW of Foggia (151991 inhabitants)
59 Km NE of Battipaglia (50786 inhabitants)
60 Km NE of Salerno (135261 inhabitants)
61 Km NE of Cava de' Tirreni (53659 inhabitants)
62 Km W of Cerignola (58396 inhabitants)
66 Km S of San Severo (53905 inhabitants)
69 Km NE of Scafati (50787 inhabitants)
71 Km E of Acerra (59573 inhabitants)
72 Km E of Caserta (76326 inhabitants)
73 Km NW of Potenza (67122 inhabitants)
76 Km NE of Castellammare di Stabia (66466 inhabitants)
77 Km E of Afragola (65057 inhabitants)
77 Km E of Portici (55274 inhabitants)
78 Km E of Torre del Greco (86275 inhabitants)
79 Km E of Ercolano (53709 inhabitants)
79 Km E of Casoria (77642 inhabitants)
84 Km SW of Manfredonia (57279 inhabitants)
84 Km E of Aversa (53047 inhabitants)
85 Km E of Napoli (974074 inhabitants)
86 Km E of Giugliano in Campania (122974 inhabitants)
87 Km E of Marano di Napoli (59874 inhabitants)
93 Km W of Andria (100440 inhabitants)
94 Km W of Barletta (94814 inhabitants)
97 Km E of Pozzuoli (81661 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 1.6 2021-05-25
22:45:42		 41.112 15.1943 21 2021-05-26
08:35:55		 Bollettino Sismico Italiano INGV 90505511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-25 22:45:42 ± 0.12
Latitude 41.1120 ± 0.0054
Longitude 15.1943 ± 0.0107
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 90505511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 823
Semi-minor axis of confidence ellipse (meter) 481
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 1.06480
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 90505511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-26 08:35:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT13.EHZ. 2021-05-25T22:46:03.04 0.3 undecidable manual P 43 118.1928 95 1.1 44
IV.MELA.HHZ. 2021-05-25T22:46:02.62 0.6 undecidable manual S 355 66.0894 101 0.03 45
IV.MSAG.HHZ. 2021-05-25T22:45:58.08 0.3 undecidable manual P 42 89.244 98 0.57 58
OT.OT11.EHZ. 2021-05-25T22:45:57.23 0.6 undecidable manual S 15 46.2204 106 -0.18 46
IV.SGRT.HHZ. 2021-05-25T22:45:56.53 0.3 undecidable manual P 32 84.6486 98 -0.27 62
OT.OT12.EHZ. 2021-05-25T22:45:56.90 0.3 undecidable manual P 46 82.7505 98 0.38 62
IV.APRC.HHZ. 2021-05-25T22:45:55.68 0.3 undecidable manual P 22 77.2671 99 0.01 67
IX.MNT3.HHZ.02 2021-05-25T22:45:54.98 0.6 undecidable manual S 207 34.3434 113 0.55 43
IV.MCRV.HHZ. 2021-05-25T22:45:54.88 0.6 undecidable manual S 183 36.6411 112 -0.11 47
IV.BSSO.HHE. 2021-05-25T22:45:54.49 0.3 undecidable manual P 314 69.4749 100 0.01 68
OT.OT05.EHE. 2021-05-25T22:45:53.92 0.3 undecidable manual P 29 69.5748 100 -0.58 59
IV.PSB1.HHZ. 2021-05-25T22:45:53.72 0.6 undecidable manual S 291 34.3434 113 -0.71 41
IV.MELA.HHZ. 2021-05-25T22:45:53.43 0.1 undecidable manual P 355 66.0894 101 -0.55 81
OT.OT07.EHE. 2021-05-25T22:45:53.76 0.1 undecidable manual P 38 71.4729 100 -1.03 65
IV.VITU.HHZ. 2021-05-25T22:45:52.54 0.6 undecidable manual P 280 47.8188 106 1.31 29
IV.GATE.HNN. 2021-05-25T22:45:52.44 0.3 undecidable manual P 332 50.4162 105 0.82 55
IX.LGS3.HNE.01 2021-05-25T22:45:51.62 0.6 undecidable manual S 231 21.9669 127 0.04 49
IV.MRLC.HHZ. 2021-05-25T22:45:51.14 0.3 undecidable manual P 148 46.5201 106 0.1 71
IX.SALI.HNE. 2021-05-25T22:45:51.70 0.6 undecidable manual S 183 20.2686 130 0.5 45
IV.SACR.HNN. 2021-05-25T22:45:51.78 0.3 undecidable manual P 308 51.6039 104 -0.02 70
IV.MRB1.HHZ. 2021-05-25T22:45:51.02 0.6 undecidable manual S 274 18.9699 132 0.08 48
IV.SNAL.HHZ. 2021-05-25T22:45:51.46 0.6 undecidable manual S 177 20.7681 129 0.16 48
IX.LIO3.HHZ. 2021-05-25T22:45:51.57 0.6 undecidable manual S 183 23.8539 124 -0.41 45
IV.SGTA.HHZ. 2021-05-25T22:45:50.48 0.6 undecidable manual S 80 14.4744 141 0.36 47
IV.BIOG.HHZ. 2021-05-25T22:45:50.73 0.6 undecidable manual S 332 11.0778 149 1.14 33
OT.OT11.EHZ. 2021-05-25T22:45:50.57 0.3 undecidable manual P 15 46.2204 106 -0.42 65
IV.VULT.HHZ. 2021-05-25T22:45:50.73 0.3 undecidable manual P 116 39.3273 110 0.73 61
IV.PSB1.HHZ. 2021-05-25T22:45:49.10 0.3 undecidable manual P 291 34.3434 113 -0.17 71
IX.CLT3.HHE.02 2021-05-25T22:45:49.10 0.3 undecidable manual P 143 29.0487 118 0.56 66
IV.CAFE.HHZ. 2021-05-25T22:45:49.23 0.6 undecidable manual S 159 9.9789 151 -0.21 48
IX.RSF3.HNE. 2021-05-25T22:45:49.96 0.3 undecidable manual S 185 16.4724 137 -0.5 67
IX.MNT3.HHZ.02 2021-05-25T22:45:49.24 0.1 undecidable manual P 207 34.3434 113 -0.03 96
IV.MCRV.HHZ. 2021-05-25T22:45:49.38 0.1 undecidable manual P 183 36.6411 112 -0.21 91
IX.NSC3.HHZ. 2021-05-25T22:45:48.65 0.3 undecidable manual P 192 30.0477 117 -0.02 72
IX.SSB3.HNE. 2021-05-25T22:45:48.66 0.6 undecidable manual S 142 4.6953 166 -0.27 48
IV.SNAL.HHZ. 2021-05-25T22:45:47.41 0.1 undecidable manual P 177 20.7681 129 -0.06 97
IX.LIO3.HHZ. 2021-05-25T22:45:47.74 0.1 undecidable manual P 183 23.8539 124 -0.12 96
IV.BIOG.HHZ. 2021-05-25T22:45:47.16 3.0 undecidable manual P 332 11.0778 149 0.68 84
IX.SALI.HNE. 2021-05-25T22:45:47.48 0.1 undecidable manual P 183 20.2686 130 0.07 99
IV.MRB1.HHZ. 2021-05-25T22:45:47.32 0.1 undecidable manual P 274 18.9699 132 0.06 98
IV.SGTA.HHZ. 2021-05-25T22:45:46.87 0.1 undecidable manual P 80 14.4744 141 0.09 99
IX.LGS3.HNE.01 2021-05-25T22:45:46.73 0.3 undecidable manual P 231 21.9669 127 -0.9 57
IV.CAFE.HHZ. 2021-05-25T22:45:46.29 0.1 positive manual P 159 9.9789 151 -0.1 99
IX.RSF3.HNE. 2021-05-25T22:45:46.68 0.1 undecidable manual P 185 16.4724 137 -0.3 93
IX.SSB3.HNE. 2021-05-25T22:45:46.00 0.1 undecidable manual P 142 4.6953 166 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFE.HHN. ML:1.8 0.0005269999999999999 0.28 AML other m 2021-05-25T22:45:49.37
IV.CAFE.HNN. ML:1.9 0.0005484999999999999 0.28 AML other m 2021-05-25T22:45:49.38
IV.CAFE.HHE. ML:1.8 0.0005155000000000001 0.36 AML other m 2021-05-25T22:45:50.28
IV.CAFE.HNE. ML:1.8 0.0005285 0.98 AML other m 2021-05-25T22:45:50.28
IV.SGTA.HNN. ML:1.7 0.00028900000000000003 0.72 AML other m 2021-05-25T22:45:50.99
IV.SGTA.HHN. ML:1.6 0.000256 0.54 AML other m 2021-05-25T22:45:51.27
IV.SGTA.HNE. ML:1.8 0.000358 0.82 AML other m 2021-05-25T22:45:51.01
IV.SGTA.HHE. ML:1.8 0.00038449999999999997 1.42 AML other m 2021-05-25T22:45:51.72
IV.SNAL.HHE. ML:1.7 0.00028700000000000004 0.3 AML other m 2021-05-25T22:45:51.74
IV.SNAL.HNE. ML:1.7 0.000259 0.32 AML other m 2021-05-25T22:45:51.59
IV.SNAL.HNN. ML:1.6 0.00019600000000000002 0.28 AML other m 2021-05-25T22:45:51.75
IV.SNAL.HHN. ML:1.5 0.0001715 0.28 AML other m 2021-05-25T22:45:51.75
IV.BIOG.HNE. ML:1.8 0.00047599999999999997 0.68 AML other m 2021-05-25T22:45:51.96
IV.BIOG.HHN. ML:1.8 0.000383 0.42 AML other m 2021-05-25T22:45:51.97
IV.MRB1.HHN. ML:1.5 0.00017199999999999998 0.98 AML other m 2021-05-25T22:45:52.59
IV.MRB1.HHE. ML:1.4 0.00012325 0.78 AML other m 2021-05-25T22:45:52.70
IV.BIOG.HHE. ML:1.8 0.0003995 0.78 AML other m 2021-05-25T22:45:53.53
IV.BIOG.HNN. ML:1.8 0.0004615 1.4 AML other m 2021-05-25T22:45:54.20
IV.MCRV.HHN. ML:1.6 0.000124 0.14 AML other m 2021-05-25T22:45:56.43
IV.MCRV.HHE. ML:1.4 0.00008865 0.68 AML other m 2021-05-25T22:45:57.03
IX.MNT3.HHN.02 ML:1.6 0.000156 0.78 AML other m 2021-05-25T22:45:57.43
IV.VULT.HHE. ML:1.6 0.00011425 1.02 AML other m 2021-05-25T22:45:58.24
IX.MNT3.HHE.02 ML:1.4 0.00009905 0.48 AML other m 2021-05-25T22:45:58.61
IV.VULT.HHN. ML:1.5 0.00010630000000000001 0.42 AML other m 2021-05-25T22:45:58.62
IV.SGRT.HHN. ML:1.5 0.00004115 0.82 AML other m 2021-05-25T22:46:10.56
IV.SGRT.HHE. ML:1.6 0.0000519 1.1 AML other m 2021-05-25T22:46:11.05
IV.MSAG.HHE. ML:1.3 0.000025750000000000002 0.46 AML other m 2021-05-25T22:46:13.73
IV.MSAG.HHN. ML:1.6 0.00004275 0.86 AML other m 2021-05-25T22:46:14.65
IV.PSB1.HHE. ML:0.8 0.000024445025000000002 0.1408 AML other m 2021-05-25T22:45:54.78
OT.OT11.EHN. ML:1.6 0.00009554142 0.1152 AML other m 2021-05-25T22:45:58.00
OT.OT11.EHE. ML:1.4 0.00007023396 0.1536 AML other m 2021-05-25T22:45:57.83
IV.MRLC.HHE. ML:1.0 0.000023203305 0.384 AML other m 2021-05-25T22:46:00.16
IV.MRLC.HHN. ML:1.1 0.000028111535 0.4224 AML other m 2021-05-25T22:46:03.44
IV.MELA.HHE. ML:1.3 0.00003426739 0.3328 AML other m 2021-05-25T22:46:09.63
IV.MELA.HHN. ML:1.5 0.000047529470000000004 0.1536 AML other m 2021-05-25T22:46:04.49
OT.OT12.EHE. ML:1.4 0.000034350279999999994 0.2176 AML other m 2021-05-25T22:46:10.41
OT.OT12.EHN. ML:1.4 0.000032901205 0.2176 AML other m 2021-05-25T22:46:10.59
IV.MSAG.HNN. ML:1.9 0.000092783695 0.2432 AML other m 2021-05-25T22:46:14.64
OT.OT13.EHE. ML:1.9 0.00005930332500000001 0.4224 AML other m 2021-05-25T22:46:22.68
OT.OT13.EHN. ML:2.4 0.00017484774999999999 0.2816 AML other m 2021-05-25T22:46:19.00
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