Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 15-10-2019 and time 23:54:37 (Italy) in region 3 km NW Pietraroja (BN)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Pietraroja (BN), on

  • 15-10-2019 21:54:37 (UTC)
  • 15-10-2019 23:54:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3700, 14.5250 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.

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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
Pietraroja BN 3 545 545
Cusano Mutri BN 4 4091 4636
Guardiaregia CB 8 801 5437
Sepino CB 9 1964 7401
Campochiaro CB 9 646 8047
Cerreto Sannita BN 10 3940 11987
San Polo Matese CB 10 470 12457
Gioia Sannitica CE 10 3638 16095
San Lorenzello BN 11 2227 18322
Faicchio BN 11 3634 21956
San Potito Sannitico CE 12 1925 23881
Sassinoro BN 12 618 24499
Morcone BN 12 4932 29431
Castello del Matese CE 12 1494 30925
Piedimonte Matese CE 13 11297 42222
San Gregorio Matese CE 13 988 43210
Bojano CB 13 8058 51268
San Giuliano del Sannio CB 14 1029 52297
Guardia Sanframondi BN 14 5078 57375
Vinchiaturo CB 15 3324 60699
San Salvatore Telesino BN 15 3999 64698
Castelvenere BN 15 2562 67260
San Lupo BN 15 801 68061
Colle d'Anchise CB 16 807 68868
Cercepiccola CB 16 681 69549
San Lorenzo Maggiore BN 16 2154 71703
Alife CE 16 7616 79319
Pontelandolfo BN 17 2167 81486
Telese Terme BN 17 7486 88972
San Massimo CB 17 855 89827
Santa Croce del Sannio BN 18 927 90754
Puglianello BN 18 1349 92103
Baranello CB 18 2673 94776
Casalduni BN 19 1378 96154
Amorosi BN 19 2797 98951
Cercemaggiore CB 19 3777 102728
Campolattaro BN 20 1072 103800
Spinete CB 20 1320 105120
Solopaca BN 20 3820 108940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Benevento (60091 inhabitants)
37 Km NE of Caserta (76326 inhabitants)
49 Km N of Acerra (59573 inhabitants)
52 Km NE of Aversa (53047 inhabitants)
53 Km NE of Afragola (65057 inhabitants)
55 Km NE of Casoria (77642 inhabitants)
56 Km NW of Avellino (54857 inhabitants)
56 Km NE of Giugliano in Campania (122974 inhabitants)
59 Km NE of Marano di Napoli (59874 inhabitants)
62 Km N of Portici (55274 inhabitants)
63 Km NE of Napoli (974074 inhabitants)
64 Km N of Ercolano (53709 inhabitants)
66 Km N of Torre del Greco (86275 inhabitants)
69 Km NE of Pozzuoli (81661 inhabitants)
69 Km N of Scafati (50787 inhabitants)
75 Km N of Castellammare di Stabia (66466 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
79 Km N of Salerno (135261 inhabitants)
80 Km W of San Severo (53905 inhabitants)
86 Km W of Foggia (151991 inhabitants)
93 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 2019-10-15
21:54:37		 41.3702 14.5253 8 2020-02-28
16:41:56		 Bollettino Sismico Italiano INGV 73306881
Reviewed
Rev100 		ML 1.8 2019-10-15
21:54:37		 41.3758 14.5258 6 2019-10-15
21:59:47		 Sala Sismica INGV-Roma 73278931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 21:54:37 ± 0.05
Latitude 41.3702 ± 0.0036
Longitude 14.5253 ± 0.0036
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73306881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00630
Epicentral distance of station farthest from the epicenter (degree) 0.56118
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 73306881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-18 07:37:12

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 73278931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 21:59:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCI.EHE. 2019-10-15T21:54:48.57 0.6 undecidable manual P 283 60.6948 50 0.42 43
IV.MELA.HHZ. 2019-10-15T21:54:48.05 0.3 undecidable manual P 53 62.2932 50 -0.35 66
IV.CERA.HNN. 2019-10-15T21:54:46.57 0.3 undecidable manual P 301 49.1175 50 0.21 69
IV.RNI2.HNE. 2019-10-15T21:54:46.13 0.3 undecidable manual P 320 48.2184 50 -0.09 71
IV.TRIV.HHZ. 2019-10-15T21:54:45.52 0.3 undecidable manual P 3 44.0226 50 -0.05 72
IV.CIGN.HHN. 2019-10-15T21:54:45.53 0.6 undecidable manual P 45 44.622 50 -0.13 47
IV.MRB1.HNZ. 2019-10-15T21:54:45.65 0.3 undecidable manual P 126 46.0206 50 -0.24 69
IV.VITU.HHZ. 2019-10-15T21:54:45.37 0.6 undecidable manual S 157 22.4553 110 0.03 50
IV.PIGN.HNE. 2019-10-15T21:54:44.11 0.6 undecidable manual P 237 34.4433 50 0.01 49
IV.BSSO.HHZ. 2019-10-15T21:54:44.72 0.6 undecidable manual S 16 20.3685 112 0.09 50
IV.GATE.HNN. 2019-10-15T21:54:44.42 0.6 undecidable manual P 64 35.742 50 0.12 48
IV.PAOL.HNE. 2019-10-15T21:54:44.83 0.6 undecidable manual P 175 37.7289 50 0.21 47
IV.MIDA.HNZ. 2019-10-15T21:54:44.32 0.3 undecidable manual P 323 37.629 50 -0.27 70
IV.SACR.HHZ. 2019-10-15T21:54:43.25 0.3 undecidable manual S 79 15.2736 118 0.19 74
IV.SGG.HHZ. 2019-10-15T21:54:42.13 0.3 undecidable manual S 279 12.2766 124 -0.03 77
IV.VAGA.HHZ. 2019-10-15T21:54:42.27 0.3 undecidable manual P 282 24.753 109 0.03 75
IV.VITU.HHZ. 2019-10-15T21:54:41.95 0.3 undecidable manual P 157 22.4553 110 0.13 74
IV.BSSO.HHZ. 2019-10-15T21:54:41.56 0.1 positive manual P 16 20.3685 112 0.15 98
IV.SACR.HHZ. 2019-10-15T21:54:40.67 0.1 negative manual P 79 15.2736 118 0.17 99
IV.SGG.HHZ. 2019-10-15T21:54:40.12 0.1 negative manual P 279 12.2766 124 0.13 100
IV.PTRJ.HNZ. 2019-10-15T21:54:39.65 0.6 undecidable manual S 156 0.6993 175 -0.25 50
IV.PTRJ.HNZ. 2019-10-15T21:54:38.23 0.3 undecidable manual P 156 0.6993 175 -0.46 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHN. ML:2.1 0.00157 0.3 AML other m 2019-10-15T21:54:43.28
IV.SGG.HNN. ML:2.1 0.001575 0.3 AML other m 2019-10-15T21:54:43.28
IV.SGG.HNE. ML:2.0 0.0012749999999999999 0.42 AML other m 2019-10-15T21:54:43.47
IV.SACR.HHN. ML:1.8 0.000603 0.5 AML other m 2019-10-15T21:54:44.26
IV.SGG.HHE. ML:2.0 0.0012900000000000001 0.84 AML other m 2019-10-15T21:54:44.32
IV.SACR.HHE. ML:1.9 0.0007855000000000001 0.38 AML other m 2019-10-15T21:54:44.64
IV.VAGA.HHE. ML:2.0 0.0006075000000000001 1.44 AML other m 2019-10-15T21:54:48.25
IV.VAGA.HNE. ML:2.0 0.0005840000000000001 1.44 AML other m 2019-10-15T21:54:48.25
IV.BSSO.HHE. ML:1.4 0.0001885 1.34 AML other m 2019-10-15T21:54:50.90
IV.BSSO.HNE. ML:1.8 0.0004605 1.34 AML other m 2019-10-15T21:54:50.90
IV.VAGA.HHN. ML:2.1 0.0007925 0.62 AML other m 2019-10-15T21:54:51.75
IV.VAGA.HNN. ML:2.1 0.00076 0.62 AML other m 2019-10-15T21:54:51.75
IV.BSSO.HNN. ML:1.6 0.00029700000000000006 1.64 AML other m 2019-10-15T21:54:53.97
IV.BSSO.HHN. ML:1.2 0.000121 1.56 AML other m 2019-10-15T21:54:53.97
IV.TRIV.HHE. ML:1.5 0.00009379999999999999 0.42 AML other m 2019-10-15T21:54:54.05
IV.TRIV.HHN. ML:1.4 0.0000699 1.32 AML other m 2019-10-15T21:54:55.10
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