Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-08-2019 and time 09:43:39 (Italy) in region 3 km E Sant'Agapito (IS)

A magnitude ML 1.0 earthquake occured in region: 3 km E Sant'Agapito (IS), on

  • 15-08-2019 07:43:39 (UTC)
  • 15-08-2019 09:43:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5490, 14.2580 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
Sant'Agapito IS 3 1496 1496
Longano IS 3 690 2186
Pettoranello del Molise IS 3 460 2646
Castelpizzuto IS 4 155 2801
Isernia IS 5 21842 24643
Monteroduni IS 7 2264 26907
Pesche IS 7 1661 28568
Carpinone IS 7 1157 29725
Castelpetroso IS 8 1680 31405
Macchia d'Isernia IS 8 1035 32440
Santa Maria del Molise IS 10 665 33105
Gallo Matese CE 10 579 33684
Roccamandolfi IS 10 938 34622
Letino CE 11 712 35334
Miranda IS 11 1047 36381
Cantalupo nel Sannio IS 12 739 37120
Fornelli IS 12 1909 39029
Montaquila IS 12 2456 41485
Fontegreca CE 12 811 42296
Sessano del Molise IS 12 727 43023
Macchiagodena IS 13 1854 44877
Capriati a Volturno CE 13 1541 46418
Ciorlano CE 14 426 46844
Prata Sannita CE 14 1502 48346
Valle Agricola CE 14 890 49236
Colli a Volturno IS 14 1349 50585
San Massimo CB 14 855 51440
Pescolanciano IS 16 855 52295
Acquaviva d'Isernia IS 16 425 52720
Rocchetta a Volturno IS 17 1113 53833
Pozzilli IS 17 2380 56213
Filignano IS 17 648 56861
Roccasicura IS 17 550 57411
Pratella CE 17 1565 58976
Frosolone IS 17 3170 62146
Cerro al Volturno IS 17 1281 63427
Forlì del Sannio IS 18 675 64102
Chiauci IS 18 233 64335
Ailano CE 18 1369 65704
Civitanova del Sannio IS 18 945 66649
Scapoli IS 18 680 67329
Sant'Elena Sannita IS 18 275 67604
Carovilli IS 19 1359 68963
Venafro IS 19 11280 80243
Spinete CB 19 1320 81563
Bojano CB 19 8058 89621
Raviscanina CE 20 1319 90940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Caserta (76326 inhabitants)
64 Km NW of Benevento (60091 inhabitants)
64 Km N of Aversa (53047 inhabitants)
68 Km N of Acerra (59573 inhabitants)
69 Km N of Giugliano in Campania (122974 inhabitants)
70 Km N of Afragola (65057 inhabitants)
71 Km N of Casoria (77642 inhabitants)
72 Km N of Marano di Napoli (59874 inhabitants)
79 Km N of Napoli (974074 inhabitants)
79 Km N of Pozzuoli (81661 inhabitants)
81 Km N of Portici (55274 inhabitants)
82 Km N of Ercolano (53709 inhabitants)
84 Km NW of Avellino (54857 inhabitants)
85 Km N of Torre del Greco (86275 inhabitants)
90 Km S of Chieti (51815 inhabitants)
92 Km N of Scafati (50787 inhabitants)
95 Km W of San Severo (53905 inhabitants)
97 Km N of Castellammare di Stabia (66466 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 1.0 2019-08-15
07:43:39		 41.5487 14.2578 10 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71646271
Reviewed
Rev100 		ML 1.0 2019-08-15
07:43:39		 41.5487 14.2698 10 2019-08-15
07:56:36		 Sala Sismica INGV-Roma 71505531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-15 07:43:39 ± 0.08
Latitude 41.5487 ± 0.0045
Longitude 14.2578 ± 0.0072
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 71646271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 648
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 71646271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-20 10:09:02

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 71505531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 07:56:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2019-08-15T07:45:43.15 3.0 undecidable manual Sg 19.129999 0
IV.MBAL.EHZ. 2019-08-15T07:45:41.77 3.0 undecidable manual Sn 1.38 0
MN.TUE.HHZ. 2019-08-15T07:45:28.89 3.0 undecidable manual Pg 26.24 0
MN.BNI.HHZ. 2019-08-15T07:45:11.42 3.0 undecidable manual Pn 1.41 0
IV.EUCT.HNZ. 2019-08-15T07:45:09.19 3.0 negative manual Pg 17.780001 0
CH.FUSIO.HHZ. 2019-08-15T07:45:06.36 3.0 negative manual Pn -0.39 0
SI.BOSI.HHZ. 2019-08-15T07:45:06.19 3.0 positive manual Pg 13.32 0
CR.STON.BHZ. 2019-08-15T07:44:59.36 3.0 undecidable manual Sg 10.25 0
IV.SARZ.HHZ. 2019-08-15T07:44:50.39 3.0 negative manual Pn 0.22 0
IV.NDIM.HHZ. 2019-08-15T07:44:46.77 3.0 negative manual Pg 10.48 0
IV.SERM.HNZ. 2019-08-15T07:44:40.80 3.0 positive manual Pn 5.51 0
IV.ASSB.HHZ. 2019-08-15T07:44:27.73 3.0 undecidable manual Sn -1.87 0
IV.SPS2.HHZ. 2019-08-15T07:44:20.76 3.0 undecidable manual Pg 4.36 0
IV.TERO.HHZ. 2019-08-15T07:43:56.95 3.0 positive manual Pn 1.56 0
IV.PAOL.HHZ. 2019-08-15T07:43:55.92 3.0 undecidable manual Sg -0.52 0
IX.MNT3.HHZ.02 2019-08-15T07:43:50.02 3.0 positive manual P -1.08 0
IV.BSSO.HHZ. 2019-08-15T07:43:49.53 0.3 undecidable manual S 90 27.8499 50 0.21 66
IV.SGG.HNZ. 2019-08-15T07:43:47.43 0.3 undecidable manual S 151 20.5683 115 0.38 71
IV.CERA.HHZ. 2019-08-15T07:43:47.35 0.3 undecidable manual S 285 20.5683 115 0.3 73
IV.RNI2.HHZ. 2019-08-15T07:43:47.01 0.6 undecidable manual S 333 19.2696 117 0.38 47
IV.BSSO.HHZ. 2019-08-15T07:43:45.04 0.1 undecidable manual P 90 27.8499 50 0.03 95
IV.VAGA.HHZ. 2019-08-15T07:43:45.54 0.3 undecidable manual S 188 14.874 123 0.21 76
IV.MIDA.HHZ. 2019-08-15T07:43:44.04 0.3 undecidable manual S 358 10.3785 133 -0.04 75
IV.CERA.HHZ. 2019-08-15T07:43:44.04 0.3 undecidable manual P 285 20.5683 115 0.33 71
IV.RNI2.HHZ. 2019-08-15T07:43:43.27 0.1 undecidable manual P 333 19.2696 117 -0.19 97
IV.SGG.HNZ. 2019-08-15T07:43:43.62 0.1 undecidable manual P 151 20.5683 115 -0.09 99
IV.VAGA.HHZ. 2019-08-15T07:43:42.62 0.1 undecidable manual P 188 14.874 123 -0.09 97
IV.MIDA.HHZ. 2019-08-15T07:43:41.89 0.1 positive manual P 358 10.3785 133 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.1 0.00014719815 0.16 AML other m 2019-08-15T07:43:44.70
IV.MIDA.HNN. ML:1.0 0.00012909040000000003 0.1792 AML other m 2019-08-15T07:43:44.70
IV.MIDA.HNE. ML:1.0 0.00013761342 0.16 AML other m 2019-08-15T07:43:46.18
IV.MIDA.HHN. ML:1.0 0.00013931766 0.16 AML other m 2019-08-15T07:43:46.18
IV.VAGA.HNN. ML:1.3 0.00021024749999999998 0.3008 AML other m 2019-08-15T07:43:46.61
IV.VAGA.HHN. ML:1.4 0.00021375615 0.3008 AML other m 2019-08-15T07:43:46.61
IV.VAGA.HNE. ML:1.2 0.00014942357500000002 0.16 AML other m 2019-08-15T07:43:46.58
IV.VAGA.HHE. ML:1.2 0.00016319814999999998 0.16 AML other m 2019-08-15T07:43:46.58
IV.RNI2.HNN. ML:0.8 0.00004461202 0.1984 AML other m 2019-08-15T07:43:47.43
IV.RNI2.HNE. ML:0.8 0.00004588801150000001 0.1792 AML other m 2019-08-15T07:43:48.39
IV.CERA.HHN. ML:0.8 0.000047951784 0.384 AML other m 2019-08-15T07:43:49.35
IV.RNI2.HHE. ML:0.8 0.000053300124999999996 0.32 AML other m 2019-08-15T07:43:49.50
IV.CERA.HHE. ML:0.7 0.0000367339 1.7568 AML other m 2019-08-15T07:43:50.91
IV.RNI2.HHN. ML:0.9 0.00006412999499999999 0.4032 AML other m 2019-08-15T07:43:50.66
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