Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 16-04-2020 and time 21:53:03 (Italy) in region 4 km N Buonalbergo (BN)

A magnitude ML 1.1 earthquake occured in region: 4 km N Buonalbergo (BN), on

  • 16-04-2020 19:53:03 (UTC)
  • 16-04-2020 21:53:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2540, 14.9690 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
Buonalbergo BN 4 1730 1730
Casalbore AV 4 1800 3530
San Giorgio La Molara BN 5 2994 6524
Molinara BN 7 1618 8142
Ginestra degli Schiavoni BN 7 476 8618
Pago Veiano BN 8 2406 11024
Montecalvo Irpino AV 8 3725 14749
Montefalcone di Val Fortore BN 9 1525 16274
San Marco dei Cavoti BN 9 3371 19645
Sant'Arcangelo Trimonte BN 10 573 20218
Castelfranco in Miscano BN 11 916 21134
Foiano di Val Fortore BN 11 1410 22544
Paduli BN 12 3978 26522
Pietrelcina BN 12 3114 29636
Reino BN 13 1210 30846
Pesco Sannita BN 13 1972 32818
Ariano Irpino AV 15 22700 55518
Apice BN 15 5686 61204
Fragneto l'Abate BN 16 1049 62253
Baselice BN 16 2397 64650
Colle Sannita BN 17 2431 67081
Roseto Valfortore FG 17 1074 68155
Greci AV 17 691 68846
Bonito AV 17 2448 71294
Fragneto Monforte BN 17 1840 73134
Circello BN 18 2388 75522
Savignano Irpino AV 18 1140 76662
San Bartolomeo in Galdo BN 18 4867 81529
Faeto FG 18 627 82156
Melito Irpino AV 18 1920 84076
Celle di San Vito FG 20 166 84242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Benevento (60091 inhabitants)
40 Km NE of Avellino (54857 inhabitants)
53 Km W of Foggia (151991 inhabitants)
57 Km E of Caserta (76326 inhabitants)
59 Km SW of San Severo (53905 inhabitants)
61 Km NE of Acerra (59573 inhabitants)
65 Km NE of Cava de' Tirreni (53659 inhabitants)
66 Km N of Salerno (135261 inhabitants)
66 Km NE of Afragola (65057 inhabitants)
67 Km NE of Scafati (50787 inhabitants)
69 Km NE of Casoria (77642 inhabitants)
70 Km NE of Portici (55274 inhabitants)
71 Km E of Aversa (53047 inhabitants)
72 Km NE of Ercolano (53709 inhabitants)
72 Km N of Battipaglia (50786 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
74 Km NE of Giugliano in Campania (122974 inhabitants)
74 Km NE of Castellammare di Stabia (66466 inhabitants)
76 Km NE of Napoli (974074 inhabitants)
76 Km NE of Marano di Napoli (59874 inhabitants)
78 Km W of Cerignola (58396 inhabitants)
86 Km NE of Pozzuoli (81661 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
98 Km NW of Potenza (67122 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 1.1 2020-04-16
19:53:03		 41.254 14.9688 10 2020-07-18
21:08:42		 Bollettino Sismico Italiano INGV 80938941
Reviewed
Rev100 		ML 1.1 2020-04-16
19:53:03		 41.2545 14.9667 10 2020-04-16
20:01:24		 Sala Sismica INGV-Roma 78294271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-16 19:53:03 ± 0.15
Latitude 41.2540 ± 0.0072
Longitude 14.9688 ± 0.0096
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 80938941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 614
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.12231
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78294271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-16 20:01:24

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 80938941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-10 22:30:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2020-04-16T19:53:24.58 0.3 undecidable manual S 49 69.2751 50 -0.5 62
IV.MELA.HHZ. 2020-04-16T19:53:21.01 0.3 undecidable manual S 15 51.8037 50 0.58 62
IV.BSSO.HHZ. 2020-04-16T19:53:19.14 0.3 undecidable manual S 316 45.0216 50 0.54 63
IV.SNAL.HHZ. 2020-04-16T19:53:17.70 0.1 undecidable manual S 151 41.625 50 0 72
OT.OT05.EHZ. 2020-04-16T19:53:16.21 0.3 undecidable manual P 49 69.2751 50 0.12 67
IV.CAFE.HNE. 2020-04-16T19:53:16.13 0.3 undecidable manual S 138 33.5442 50 0.57 63
IV.SACR.HNZ. 2020-04-16T19:53:14.31 0.6 undecidable manual S 306 27.0507 109 0.53 44
IV.VITU.HHZ. 2020-04-16T19:53:14.22 0.3 undecidable manual S 255 29.3484 50 -0.2 72
IX.SSB3.HHZ.02 2020-04-16T19:53:14.88 0.3 undecidable manual S 132 29.1486 50 0.5 66
IV.MELA.HHZ. 2020-04-16T19:53:12.49 0.6 undecidable manual P 15 51.8037 50 -0.91 36
IV.SNAL.HHZ. 2020-04-16T19:53:11.18 0.1 undecidable manual P 151 41.625 50 -0.65 82
IV.BSSO.HHZ. 2020-04-16T19:53:11.81 0.1 undecidable manual P 316 45.0216 50 -0.54 85
IV.PSB1.HHZ. 2020-04-16T19:53:10.08 0.3 undecidable manual S 256 13.5753 125 0.49 69
IX.SSB3.HHZ.02 2020-04-16T19:53:10.38 0.6 undecidable manual P 132 29.1486 50 0.47 67
IV.CAFE.HNE. 2020-04-16T19:53:10.26 0.1 undecidable manual P 138 33.5442 50 -0.33 91
IV.VITU.HHZ. 2020-04-16T19:53:09.60 0.1 undecidable manual P 255 29.3484 50 -0.33 92
IV.GATE.HHZ. 2020-04-16T19:53:09.96 1.0 undecidable manual P 350 29.1486 50 0.05 24
IV.MRB1.HHZ. 2020-04-16T19:53:09.51 0.3 undecidable manual S 180 14.5743 123 -0.35 70
IV.SACR.HNZ. 2020-04-16T19:53:09.47 0.3 undecidable manual P 306 27.0507 109 -0.09 72
IV.PSB1.HHZ. 2020-04-16T19:53:07.12 0.1 undecidable manual P 256 13.5753 125 -0.03 100
IV.MRB1.HHZ. 2020-04-16T19:53:07.64 0.1 undecidable manual P 180 14.5743 123 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHN. ML:1.1 0.0001303 0.16 AML other m 2020-04-16T19:53:10.38
IV.PSB1.HHE. ML:1.2 0.0001795 0.36 AML other m 2020-04-16T19:53:10.25
IV.VITU.HHN. ML:1.2 0.0000807 0.28 AML other m 2020-04-16T19:53:16.15
IV.GATE.HHN. ML:0.8 0.0000367 0.54 AML other m 2020-04-16T19:53:17.31
IV.VITU.HHE. ML:1.3 0.00009409999999999998 0.32 AML other m 2020-04-16T19:53:17.19
IV.MRB1.HHN. ML:1.4 0.000255 0.42 AML other m 2020-04-16T19:53:17.42
IV.MRB1.HHE. ML:1.3 0.00020850000000000003 1.54 AML other m 2020-04-16T19:53:18.03
IV.BSSO.HHN. ML:1.1 0.000034099999999999995 1.58 AML other m 2020-04-16T19:53:20.16
IV.GATE.HHE. ML:0.8 0.0000365 0.42 AML other m 2020-04-16T19:53:21.32
IV.BSSO.HHE. ML:1.0 0.00003175 0.54 AML other m 2020-04-16T19:53:26.88
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