Earthquake with magnitude of ML 1.9 on date 19-04-2018 and time 04:53:39 (UTC) in region 2 km SW Alvignano (CE)

A magnitude ML 1.9 earthquake occured in region: 2 km SW Alvignano (CE), on

  • 19-04-2018 04:53:39 (UTC)
  • 19-04-2018 06:53:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2350, 14.3240 at 8 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
Alvignano CE 2 4824 4824
Liberi CE 4 1153 5977
Dragoni CE 5 2108 8085
Castel di Sasso CE 5 1171 9256
Caiazzo CE 7 5595 14851
Piana di Monte Verna CE 7 2390 17241
Pontelatone CE 8 1703 18944
Ruviano CE 8 1655 20599
Formicola CE 8 1488 22087
Roccaromana CE 10 856 22943
Baia e Latina CE 10 2197 25140
Alife CE 10 7616 32756
Puglianello BN 11 1349 34105
Camigliano CE 11 1943 36048
Giano Vetusto CE 11 647 36695
Bellona CE 11 6053 42748
Vitulazio CE 12 7420 50168
Pastorano CE 12 3033 53201
Limatola BN 12 4073 57274
Pietramelara CE 12 4722 61996
Amorosi BN 12 2797 64793
Castel Campagnano CE 12 1581 66374
Gioia Sannitica CE 13 3638 70012
San Potito Sannitico CE 13 1925 71937
Castel Morrone CE 13 3858 75795
Pignataro Maggiore CE 14 6084 81879
Rocchetta e Croce CE 14 460 82339
Faicchio BN 14 3634 85973
Piedimonte Matese CE 14 11297 97270
San Salvatore Telesino BN 14 3999 101269
Riardo CE 15 2321 103590
Sant'Angelo d'Alife CE 15 2270 105860
Castello del Matese CE 16 1494 107354
Dugenta BN 16 2798 110152
Calvi Risorta CE 16 5707 115859
Pietravairano CE 17 2984 118843
Raviscanina CE 17 1319 120162
San Prisco CE 17 12345 132507
Capua CE 17 18820 151327
Casagiove CE 17 13651 164978
Melizzano BN 17 1858 166836
San Gregorio Matese CE 17 988 167824
Telese Terme BN 18 7486 175310
Caserta CE 18 76326 251636
Casapulla CE 18 8628 260264
Curti CE 18 7132 267396
Santa Maria Capua Vetere CE 18 32802 300198
Valle di Maddaloni CE 19 2742 302940
Castelvenere BN 19 2562 305502
San Lorenzello BN 19 2227 307729
Frasso Telesino BN 19 2318 310047
San Tammaro CE 19 5549 315596
Vairano Patenora CE 19 6594 322190
Macerata Campania CE 19 10609 332799
Cusano Mutri BN 19 4091 336890
Sparanise CE 20 7429 344319
Solopaca BN 20 3820 348139
Recale CE 20 7773 355912
Portico di Caserta CE 20 7802 363714
San Nicola la Strada CE 20 22448 386162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km N of Caserta (76326 inhabitants)
31 Km NE of Aversa (53047 inhabitants)
32 Km N of Acerra (59573 inhabitants)
35 Km N of Afragola (65057 inhabitants)
36 Km N of Giugliano in Campania (122974 inhabitants)
37 Km N of Casoria (77642 inhabitants)
39 Km N of Marano di Napoli (59874 inhabitants)
40 Km W of Benevento (60091 inhabitants)
44 Km N of Napoli (974074 inhabitants)
46 Km N of Portici (55274 inhabitants)
47 Km N of Ercolano (53709 inhabitants)
47 Km NE of Pozzuoli (81661 inhabitants)
50 Km N of Torre del Greco (86275 inhabitants)
53 Km NW of Avellino (54857 inhabitants)
57 Km NW of Scafati (50787 inhabitants)
61 Km N of Castellammare di Stabia (66466 inhabitants)
67 Km NW of Cava de' Tirreni (53659 inhabitants)
72 Km NW of Salerno (135261 inhabitants)
89 Km NW 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 2018-04-19
04:53:39
41.2348 14.3237 8 2019-04-24
14:49:28
Bollettino Sismico Italiano INGV 55994651
Reviewed
Rev100
ML 1.8 2018-04-19
04:53:40
41.2568 14.3205 8 2018-04-19
05:03:45
Sala Sismica INGV-Roma 55809251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-19 04:53:39 ± 0.08
Latitude 41.2348 ± 0.0045
Longitude 14.3237 ± 0.0060
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55994651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 0.81029
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:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 55994651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-27 15:28:38

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 55809251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-04-19 05:03:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENT.EHE. 2018-04-19T04:53:55.34 1.0 undecidable manual P 237 89.9433 50 -0.23 21
IV.MIDA.HHZ. 2018-04-19T04:53:55.34 0.6 undecidable manual S 353 45.5211 50 0.14 48
IV.SACR.HNE. 2018-04-19T04:53:53.10 1.0 undecidable manual S 60 36.6411 50 0.28 23
IV.MODR.HHZ. 2018-04-19T04:53:53.74 0.6 undecidable manual S 255 38.5281 50 0.42 46
IV.VVDG.HHN. 2018-04-19T04:53:49.01 0.6 undecidable manual P 169 45.1215 50 0.35 46
IV.CERA.HHZ. 2018-04-19T04:53:49.18 0.1 undecidable manual P 328 47.619 50 0.13 95
IV.VITU.HHZ. 2018-04-19T04:53:49.82 0.6 undecidable manual S 103 26.2515 107 0.44 45
IV.MIDA.HHZ. 2018-04-19T04:53:48.45 0.1 undecidable manual P 353 45.5211 50 -0.28 90
IV.VAGA.HHZ. 2018-04-19T04:53:48.02 0.6 undecidable manual S 340 21.3675 110 0.23 47
IV.BSSO.HHZ. 2018-04-19T04:53:48.04 0.1 undecidable manual P 33 41.2254 50 -0.02 96
IV.SACR.HNE. 2018-04-19T04:53:47.54 0.1 positive manual P 60 36.6411 50 0.19 95
IV.MODR.HHZ. 2018-04-19T04:53:47.85 0.1 undecidable manual P 255 38.5281 50 0.21 95
IV.SGG.HHZ. 2018-04-19T04:53:46.61 0.3 undecidable manual S 15 17.4714 114 0.08 74
IV.PAOL.HHN. 2018-04-19T04:53:45.83 0.1 undecidable manual P 138 30.4473 105 -0.35 93
IV.VITU.HHZ. 2018-04-19T04:53:45.28 0.1 positive manual P 103 26.2515 107 -0.09 99
IV.VAGA.HHZ. 2018-04-19T04:53:44.18 0.1 undecidable manual P 340 21.3675 110 -0.27 97
IV.SGG.HHZ. 2018-04-19T04:53:43.57 0.1 undecidable manual P 15 17.4714 114 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHE. ML:2.1 0.0011099999999999999 0.38 AML other m 2018-04-19T04:53:47.46
IV.SGG.HHN. ML:2.1 0.0011085000000000001 0.5 AML other m 2018-04-19T04:53:51.64
IV.VITU.HHE. ML:2.1 0.0008385 0.3 AML other m 2018-04-19T04:53:53.50
IV.VITU.HNE. ML:1.9 0.00043149999999999997 1.22 AML other m 2018-04-19T04:53:53.07
IV.VAGA.HNN. ML:2.4 0.001695 1.14 AML other m 2018-04-19T04:53:53.13
IV.VAGA.HHN. ML:2.4 0.00173 1.14 AML other m 2018-04-19T04:53:53.13
IV.VAGA.HNE. ML:2.0 0.0006590000000000001 0.62 AML other m 2018-04-19T04:53:56.38
IV.VAGA.HHE. ML:2.0 0.000679 0.62 AML other m 2018-04-19T04:53:56.38
IV.VITU.HHN. ML:2.2 0.0008905 0.4 AML other m 2018-04-19T04:53:56.66
IV.VITU.HNN. ML:2.2 0.000887 0.42 AML other m 2018-04-19T04:53:56.67
IV.MODR.HHN. ML:1.7 0.000176 0.3 AML other m 2018-04-19T04:53:57.64
IV.BSSO.HNN. ML:1.9 0.000243 1.24 AML other m 2018-04-19T04:53:58.71
IV.BSSO.HHN. ML:1.4 0.00009329999999999999 1.24 AML other m 2018-04-19T04:53:58.71
IV.MODR.HHE. ML:1.6 0.00014600000000000003 0.48 AML other m 2018-04-19T04:53:59.70
IV.BSSO.HHE. ML:1.4 0.00007595 1.34 AML other m 2018-04-19T04:54:00.94
IV.BSSO.HNE. ML:1.7 0.0001815 1.36 AML other m 2018-04-19T04:54:00.95
IV.MIDA.HHN. ML:1.7 0.000156 0.64 AML other m 2018-04-19T04:54:03.76
IV.MIDA.HHE. ML:1.9 0.00026250000000000004 0.8 AML other m 2018-04-19T04:54:04.40
IV.CERA.HHE. ML:1.8 0.0001835 0.54 AML other m 2018-04-19T04:54:05.60
IV.CERA.HNE. ML:1.8 0.000186 0.54 AML other m 2018-04-19T04:54:05.60
IV.CERA.HNN. ML:1.8 0.000178 1.42 AML other m 2018-04-19T04:54:05.17
IV.CERA.HHN. ML:1.8 0.00016949999999999997 1.36 AML other m 2018-04-19T04:54:06.13
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