Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-08-2019 and time 12:07:44 (Italy) in region Acquaviva d'Isernia (IS)

A magnitude ML 1.4 earthquake occured in region: Acquaviva d'Isernia (IS), on

  • 23-08-2019 10:07:44 (UTC)
  • 23-08-2019 12:07:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6710, 14.1480 at 9 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
Acquaviva d'Isernia IS 0 425 425
Forlì del Sannio IS 4 675 1100
Cerro al Volturno IS 4 1281 2381
Rionero Sannitico IS 5 1118 3499
Fornelli IS 7 1909 5408
Rocchetta a Volturno IS 7 1113 6521
Castel San Vincenzo IS 7 516 7037
Roccasicura IS 8 550 7587
Montenero Val Cocchiara IS 8 538 8125
Colli a Volturno IS 9 1349 9474
Miranda IS 9 1047 10521
Pizzone IS 9 329 10850
Scapoli IS 10 680 11530
Isernia IS 11 21842 33372
Alfedena AQ 12 864 34236
Montaquila IS 12 2456 36692
Macchia d'Isernia IS 12 1035 37727
Scontrone AQ 12 574 38301
Pesche IS 13 1661 39962
Castel di Sangro AQ 13 6538 46500
Carovilli IS 13 1359 47859
San Pietro Avellana IS 14 503 48362
Vastogirardi IS 15 704 49066
Pettoranello del Molise IS 15 460 49526
Sant'Agapito IS 15 1496 51022
Pescolanciano IS 16 855 51877
Filignano IS 16 648 52525
Sessano del Molise IS 16 727 53252
Barrea AQ 16 726 53978
Monteroduni IS 17 2264 56242
Carpinone IS 17 1157 57399
Longano IS 19 690 58089
Pozzilli IS 19 2380 60469
San Biagio Saracinisco FR 19 349 60818
Chiauci IS 20 233 61051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km N of Caserta (76326 inhabitants)
76 Km S of Chieti (51815 inhabitants)
78 Km N of Aversa (53047 inhabitants)
80 Km NW of Benevento (60091 inhabitants)
83 Km N of Giugliano in Campania (122974 inhabitants)
83 Km N of Acerra (59573 inhabitants)
84 Km N of Afragola (65057 inhabitants)
86 Km N of Marano di Napoli (59874 inhabitants)
86 Km N of Casoria (77642 inhabitants)
89 Km S of Pescara (121014 inhabitants)
92 Km N of Pozzuoli (81661 inhabitants)
93 Km N of Napoli (974074 inhabitants)
94 Km S of Montesilvano (53738 inhabitants)
96 Km N of Portici (55274 inhabitants)
97 Km N of Ercolano (53709 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
100 Km N of Torre del Greco (86275 inhabitants)
100 Km NW of Avellino (54857 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 1.4 2019-08-23
10:07:44		 41.6713 14.1475 9 2019-11-13
14:30:59		 Bollettino Sismico Italiano INGV 71901221
Reviewed
Rev100 		ML 1.4 2019-08-23
10:07:44		 41.6697 14.1475 9 2019-08-24
05:57:57		 Sala Sismica INGV-Roma 71757901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-23 10:07:44 ± 0.05
Latitude 41.6713 ± 0.0036
Longitude 14.1475 ± 0.0048
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71901221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 302
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
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) 67
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44426
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 71757901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-24 05:57:57

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 71901221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-29 06:52:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2019-08-23T10:09:22.35 3.0 negative manual Pg 17.379999 0
IV.ZONE.HHZ. 2019-08-23T10:09:21.88 3.0 undecidable manual Sn -9.99 0
IV.LINA.HHZ. 2019-08-23T10:09:15.04 3.0 negative manual Pg 11.61 0
IV.SPS2.HHZ. 2019-08-23T10:09:08.04 3.0 undecidable manual Sn 3.72 0
IV.ZCCA.HHZ. 2019-08-23T10:09:07.93 3.0 undecidable manual Sg 7.18 0
IV.PIPA.HHZ. 2019-08-23T10:09:06.43 3.0 undecidable manual Sn -0.15 0
IV.DGI.HHZ. 2019-08-23T10:09:05.36 3.0 undecidable manual Sn -2.74 0
IV.MILZ.HHZ. 2019-08-23T10:08:50.17 3.0 undecidable manual Pg 17.35 0
CR.STON.BHZ. 2019-08-23T10:08:49.48 3.0 undecidable manual Sn -9.99 0
IV.PCN.EHZ. 2019-08-23T10:08:43.11 3.0 positive manual Pg 4.18 0
IV.PIPA.HHZ. 2019-08-23T10:08:42.04 3.0 negative manual Pg 14.94 0
IV.EUCT.HNZ. 2019-08-23T10:08:38.84 3.0 negative manual Pn -5.76 0
IV.SPS2.HHZ. 2019-08-23T10:08:36.20 3.0 positive manual Pg 10.37 0
IV.BDI.HHZ. 2019-08-23T10:08:32.79 3.0 undecidable manual Pg 9.25 0
IV.PARC.HHZ. 2019-08-23T10:08:23.09 3.0 undecidable manual Sn -9.99 0
GU.GRAM.HHZ. 2019-08-23T10:08:19.75 3.0 negative manual Pn -9.99 0
IV.NDIM.HNZ. 2019-08-23T10:08:18.41 3.0 undecidable manual Pn -9.99 0
IV.ASSB.HHZ. 2019-08-23T10:08:17.50 3.0 undecidable manual Sg -0.54 0
IX.STN3.HHZ.02 2019-08-23T10:08:06.59 3.0 undecidable manual Pn -1.89 0
IV.NARO.HHZ. 2019-08-23T10:08:04.88 3.0 undecidable manual Pg -1.92 0
IT.SULP.HGE. 2019-08-23T10:08:01.27 0.6 undecidable manual S 338 49.3173 50 0.42 43
IV.VVLD.HHZ. 2019-08-23T10:08:00.38 0.3 undecidable manual S 297 48.618 50 -0.27 66
IV.LPEL.HHZ. 2019-08-23T10:07:58.74 0.3 undecidable manual S 4 41.7249 50 -0.08 70
IV.GAVE.EHZ. 2019-08-23T10:07:58.57 3.0 undecidable manual Pg 3.7 0
IV.SGG.HHE. 2019-08-23T10:07:57.71 0.3 undecidable manual S 149 36.9297 50 0.17 69
IV.ARVD.HHZ. 2019-08-23T10:07:57.81 3.0 positive manual P -6.26 0
IV.POFI.HNE. 2019-08-23T10:07:57.53 1.0 undecidable manual S 278 36.4413 50 0.14 23
IV.TRIV.HHZ. 2019-08-23T10:07:57.39 0.6 undecidable manual S 72 34.9428 50 0.38 44
IT.OPI.HGE. 2019-08-23T10:07:55.39 1.0 undecidable manual S 294 28.749 108 0.06 24
IV.VAGA.HHZ. 2019-08-23T10:07:55.52 0.3 undecidable manual S 166 29.2485 50 0.03 72
IV.MNTT.EHZ. 2019-08-23T10:07:53.54 3.0 negative manual Pg -3.66 0
IV.VVLD.HHZ. 2019-08-23T10:07:53.76 0.1 undecidable manual P 297 48.618 50 -0.21 90
IT.SULP.HGE. 2019-08-23T10:07:53.89 0.3 undecidable manual P 338 49.3173 50 -0.19 67
IV.TRIV.HHZ. 2019-08-23T10:07:52.06 0.1 undecidable manual P 72 34.9428 50 0.2 92
IV.SGG.HHE. 2019-08-23T10:07:52.19 0.1 undecidable manual P 149 36.9297 50 0.02 95
IV.LPEL.HHZ. 2019-08-23T10:07:52.97 0.3 undecidable manual P 4 41.7249 50 0.06 70
IV.POFI.HNE. 2019-08-23T10:07:51.87 0.1 undecidable manual P 278 36.4413 50 -0.22 91
IT.OPI.HGE. 2019-08-23T10:07:51.31 1.0 undecidable manual P 294 28.749 108 0.42 22
IV.VAGA.HHZ. 2019-08-23T10:07:50.78 0.1 undecidable manual P 166 29.2485 50 -0.2 93
IV.CERA.HHZ. 2019-08-23T10:07:50.78 0.3 undecidable manual S 233 13.4754 125 0.25 71
IV.MIDA.HHZ. 2019-08-23T10:07:49.07 0.3 undecidable manual S 110 9.3795 135 -0.38 69
IV.CERA.HHZ. 2019-08-23T10:07:48.29 0.1 positive manual P 233 13.4754 125 0.17 96
IV.RNI2.HHZ. 2019-08-23T10:07:48.41 0.3 undecidable manual S 6 3.5964 159 0.09 74
IV.MIDA.HHZ. 2019-08-23T10:07:47.34 0.1 negative manual P 110 9.3795 135 -0.16 97
IV.RNI2.HHZ. 2019-08-23T10:07:46.90 0.1 negative manual P 6 3.5964 159 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHN. ML:2.1 0.0022649999999999997 1.04 AML other m 2019-08-23T10:07:48.81
IV.RNI2.HNN. ML:2.0 0.00212 1.04 AML other m 2019-08-23T10:07:48.82
IV.RNI2.HHE. ML:1.9 0.0016600000000000002 1.1 AML other m 2019-08-23T10:07:49.08
IV.RNI2.HNE. ML:1.9 0.001545 1.08 AML other m 2019-08-23T10:07:49.09
IV.MIDA.HNE. ML:1.7 0.0006835 0.38 AML other m 2019-08-23T10:07:49.35
IV.MIDA.HHN. ML:1.7 0.00075 0.4 AML other m 2019-08-23T10:07:49.35
IV.MIDA.HNN. ML:1.8 0.0008335 0.82 AML other m 2019-08-23T10:07:49.53
IV.MIDA.HHE. ML:1.8 0.000804 1.12 AML other m 2019-08-23T10:07:50.38
IV.CERA.HHE. ML:1.1 0.0001295 1.1 AML other m 2019-08-23T10:07:51.58
IV.CERA.HHN. ML:1.2 0.0001505 0.3 AML other m 2019-08-23T10:07:55.46
IV.VAGA.HHN. ML:1.4 0.0001245 0.3 AML other m 2019-08-23T10:07:56.46
IV.VAGA.HHE. ML:1.2 0.00008545 1.2 AML other m 2019-08-23T10:07:56.93
IV.VVLD.HHN. ML:1.1 0.0000366 0.62 AML other m 2019-08-23T10:08:01.37
IV.LPEL.HHN. ML:1.3 0.000058700000000000004 0.3 AML other m 2019-08-23T10:08:01.41
IV.LPEL.HHE. ML:1.4 0.00008575 0.38 AML other m 2019-08-23T10:08:01.62
IV.VVLD.HHE. ML:1.1 0.00003475 1 AML other m 2019-08-23T10:08:02.53
IV.CERA.HNN. ML:1.1 0.00014070359999999999 0.2752 AML other m 2019-08-23T10:07:55.46
IV.CERA.HNE. ML:1.0 0.0001083171 0.2176 AML other m 2019-08-23T10:07:53.19
IV.TRIV.HHE. ML:1.1 0.000051226229999999996 0.3392 AML other m 2019-08-23T10:07:58.74
IV.TRIV.HHN. ML:1.0 0.00004300851 0.4032 AML other m 2019-08-23T10:08:06.07
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