Earthquake with magnitude of ML 1.9 on date 26-04-2020 and time 02:41:13 (UTC) in region 2 km S Quarto (NA)

A magnitude ML 1.9 earthquake occured in region: 2 km S Quarto (NA), on

  • 26-04-2020 02:41:13 (UTC)
  • 26-04-2020 04:41:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8570, 14.1510 at 5 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Quarto NA 2 40930 40930
Pozzuoli NA 5 81661 122591
Marano di Napoli NA 6 59874 182465
Calvizzano NA 7 12329 194794
Qualiano NA 7 25702 220496
Mugnano di Napoli NA 8 34828 255324
Villaricca NA 8 31122 286446
Napoli NA 9 974074 1260520
Bacoli NA 9 26560 1287080
Giugliano in Campania NA 9 122974 1410054
Melito di Napoli NA 10 37826 1447880
Monte di Procida NA 11 12886 1460766
Sant'Antimo NA 11 33905 1494671
Parete CE 11 11442 1506113
Casavatore NA 12 18661 1524774
Arzano NA 12 34886 1559660
Casandrino NA 12 14336 1573996
Casoria NA 13 77642 1651638
Grumo Nevano NA 13 18061 1669699
Lusciano CE 13 15362 1685061
Trentola-Ducenta CE 14 19429 1704490
Cesa CE 14 8841 1713331
Aversa CE 14 53047 1766378
Frattamaggiore NA 14 30329 1796707
Sant'Arpino CE 14 14307 1811014
Procida NA 15 10530 1821544
San Marcellino CE 15 14155 1835699
Casapesenna CE 15 6987 1842686
Succivo CE 15 8457 1851143
Frattaminore NA 15 16208 1867351
Afragola NA 15 65057 1932408
Gricignano di Aversa CE 16 11881 1944289
Frignano CE 16 9008 1953297
Crispano NA 16 12354 1965651
Carinaro CE 16 7181 1972832
San Giorgio a Cremano NA 16 45557 2018389
Orta di Atella CE 16 27191 2045580
Cardito NA 16 22755 2068335
Villa di Briano CE 16 7087 2075422
San Cipriano d'Aversa CE 16 13653 2089075
Teverola CE 16 14291 2103366
Volla NA 17 23755 2127121
Casaluce CE 17 10078 2137199
Caivano NA 17 37879 2175078
Casal di Principe CE 17 21389 2196467
Ercolano NA 17 53709 2250176
Cercola NA 18 18267 2268443
Portici NA 18 55274 2323717
Casalnuovo di Napoli NA 18 49855 2373572
Villa Literno CE 18 11985 2385557
San Sebastiano al Vesuvio NA 19 9196 2394753
Massa di Somma NA 19 5444 2400197
Pollena Trocchia NA 19 13562 2413759
Torre del Greco NA 20 86275 2500034

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Pozzuoli (81661 inhabitants)
6 Km SW of Marano di Napoli (59874 inhabitants)
9 Km W of Napoli (974074 inhabitants)
9 Km SW of Giugliano in Campania (122974 inhabitants)
13 Km W of Casoria (77642 inhabitants)
14 Km SW of Aversa (53047 inhabitants)
15 Km W of Afragola (65057 inhabitants)
17 Km W of Ercolano (53709 inhabitants)
18 Km W of Portici (55274 inhabitants)
20 Km W of Torre del Greco (86275 inhabitants)
21 Km W of Acerra (59573 inhabitants)
29 Km SW of Caserta (76326 inhabitants)
33 Km NW of Castellammare di Stabia (66466 inhabitants)
34 Km W of Scafati (50787 inhabitants)
50 Km W of Cava de' Tirreni (53659 inhabitants)
55 Km W of Avellino (54857 inhabitants)
55 Km W of Salerno (135261 inhabitants)
61 Km SW of Benevento (60091 inhabitants)
76 Km W of Battipaglia (50786 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 2020-04-26
02:41:13
40.8572 14.1507 5 2020-07-18
21:08:40
Bollettino Sismico Italiano INGV 80265231
Reviewed
Rev200
Md 2.5 2020-04-26
02:41:13
40.8268 14.1517 2 2020-04-26
03:14:29
Sala Operativa INGV-OV (Napoli) 78590261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-26 02:41:13 ± 0.07
Latitude 40.8572 ± 0.0081
Longitude 14.1507 ± 0.0059
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80265231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.97217
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 80265231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-17 09:16:50

Md:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 78590261
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2020-04-26 03:14:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2020-04-26T02:41:32.12 0.6 undecidable manual P 316 107.9142 50 -0.54 37
IV.VAGA.HHZ. 2020-04-26T02:41:25.93 0.6 undecidable manual P 6 62.2932 50 0.29 43
IV.VENT.EHZ. 2020-04-26T02:41:25.28 0.3 undecidable manual P 264 61.5939 50 -0.24 65
IV.VITU.HHZ. 2020-04-26T02:41:24.20 0.3 undecidable manual P 48 54.0015 50 -0.16 67
IV.PAOL.HHN. 2020-04-26T02:41:22.17 0.6 undecidable manual P 61 39.9267 97 0.34 44
IV.PIGN.HHZ. 2020-04-26T02:41:21.14 0.6 undecidable manual P 4 38.1285 97 -0.33 44
IV.ICAI.EHZ. 2020-04-26T02:41:20.79 0.3 undecidable manual S 228 20.868 102 -0.41 67
IV.IFOR.HHZ. 2020-04-26T02:41:20.10 0.6 undecidable manual P 237 29.6481 99 0.32 45
IV.IMTC.HHZ. 2020-04-26T02:41:19.65 0.3 undecidable manual P 237 27.5502 99 0.27 68
IV.IOCA.HHZ. 2020-04-26T02:41:19.00 0.3 undecidable manual P 240 24.3534 101 0.26 69
IV.VBKN.HHZ. 2020-04-26T02:41:18.65 0.6 undecidable manual P 97 23.6541 101 0.05 48
IV.OVO.HHZ. 2020-04-26T02:41:18.14 0.6 undecidable manual P 99 20.9679 102 0.07 48
IV.VPOB.HHZ. 2020-04-26T02:41:18.08 0.3 undecidable manual P 92 19.5693 103 0.28 69
IV.CRTO.HHZ. 2020-04-26T02:41:18.54 0.1 undecidable manual P 100 23.1546 101 0.04 96
IV.VTIR.HHZ. 2020-04-26T02:41:18.21 0.6 undecidable manual P 104 23.6541 101 -0.4 45
IV.ICAI.EHZ. 2020-04-26T02:41:18.08 0.3 undecidable manual P 228 20.868 102 0.02 73
IV.VVDG.HHZ. 2020-04-26T02:41:18.46 0.3 undecidable manual P 96 23.0547 101 -0.03 72
IV.VCRE.HHZ. 2020-04-26T02:41:18.69 0.1 undecidable manual P 100 23.9538 101 0.03 96
IV.CMSN.HHZ. 2020-04-26T02:41:16.18 0.3 undecidable manual S 129 3.3966 144 0.44 69
IV.CFB3.HHZ. 2020-04-26T02:41:16.61 0.3 undecidable manual S 195 5.4945 130 0.35 70
IV.CPOZ.HHZ. 2020-04-26T02:41:16.33 0.1 undecidable manual S 214 4.7952 133 0.25 95
IV.CMIS.HHZ. 2020-04-26T02:41:16.07 0.1 undecidable manual P 211 10.1787 114 0.06 98
IV.CSOB.HHZ. 2020-04-26T02:41:15.50 0.1 undecidable manual S 189 3.2967 144 -0.24 96
IV.CFB3.HHZ. 2020-04-26T02:41:15.06 0.1 undecidable manual P 195 5.4945 130 -0.15 97
IV.CAAM.HHZ. 2020-04-26T02:41:15.70 0.1 undecidable manual S 191 4.1958 137 -0.23 96
IV.CMSN.HHZ. 2020-04-26T02:41:15.18 0.1 undecidable manual P 129 3.3966 144 0.27 95
IV.CFMN.HHZ. 2020-04-26T02:41:15.59 0.1 undecidable manual P 241 5.4945 130 0.38 92
IX.NAPI.HNZ.01 2020-04-26T02:41:15.56 0.3 undecidable manual S 128 3.0969 146 -0.14 73
IV.CSFT.HHZ. 2020-04-26T02:41:15.50 0.1 undecidable manual S 196 3.1968 145 -0.22 96
IV.CPOZ.HHZ. 2020-04-26T02:41:15.10 0.1 undecidable manual P 214 4.7952 133 -0.01 100
IV.CBAC.EHZ. 2020-04-26T02:41:15.86 0.3 undecidable manual P 227 7.7811 120 0.28 71
IX.NAPI.HNZ.01 2020-04-26T02:41:14.17 0.3 undecidable manual P 128 3.0969 146 -0.71 62
IV.CSFT.HHZ. 2020-04-26T02:41:14.78 0.1 undecidable manual P 196 3.1968 145 -0.12 98
IV.CSOB.HHZ. 2020-04-26T02:41:14.89 0.1 undecidable manual P 189 3.2967 144 -0.02 100
IV.CAAM.HHZ. 2020-04-26T02:41:14.84 0.1 undecidable manual P 191 4.1958 137 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VBKN.HHE. ML:2.0 0.000757 1.66 AML other m 2020-04-26T02:41:24.99
IV.VTIR.HHE. ML:1.6 0.0002855 1.74 AML other m 2020-04-26T02:41:25.89
IV.VBKN.HHN. ML:2.0 0.0007575 0.46 AML other m 2020-04-26T02:41:25.84
IV.VTIR.HHN. ML:1.6 0.00026900000000000003 0.94 AML other m 2020-04-26T02:41:26.14
IV.PIGN.HHE. ML:1.8 0.0002465 1.32 AML other m 2020-04-26T02:41:32.22
IV.PIGN.HHN. ML:1.7 0.000178 0.64 AML other m 2020-04-26T02:41:35.84
IV.VITU.HHN. ML:2.2 0.0004075 1.5 AML other m 2020-04-26T02:41:35.14
IV.VAGA.HHN. ML:2.1 0.00023644125 0.44 AML other m 2020-04-26T02:41:46.42
IV.VITU.HHE. ML:2.1 0.00030199999999999997 0.5 AML other m 2020-04-26T02:41:47.65
IV.VAGA.HHE. ML:1.8 0.000128 0.62 AML other m 2020-04-26T02:41:50.21
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
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