Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 15-08-2019 and time 10:02:27 (UTC) in region 1 km W Forlì del Sannio (IS)

A magnitude ML 1.6 earthquake occured in region: 1 km W Forlì del Sannio (IS), on

  • 15-08-2019 10:02:27 (UTC)
  • 15-08-2019 12:02:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6930, 14.1680 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
Forlì del Sannio IS 1 675 675
Acquaviva d'Isernia IS 3 425 1100
Rionero Sannitico IS 3 1118 2218
Roccasicura IS 5 550 2768
Cerro al Volturno IS 7 1281 4049
Miranda IS 8 1047 5096
Montenero Val Cocchiara IS 9 538 5634
Castel San Vincenzo IS 10 516 6150
Fornelli IS 10 1909 8059
Rocchetta a Volturno IS 10 1113 9172
Carovilli IS 11 1359 10531
San Pietro Avellana IS 11 503 11034
Pizzone IS 11 329 11363
Castel di Sangro AQ 12 6538 17901
Colli a Volturno IS 12 1349 19250
Vastogirardi IS 12 704 19954
Alfedena AQ 12 864 20818
Scontrone AQ 12 574 21392
Scapoli IS 12 680 22072
Isernia IS 13 21842 43914
Pesche IS 13 1661 45575
Pescolanciano IS 14 855 46430
Macchia d'Isernia IS 14 1035 47465
Montaquila IS 15 2456 49921
Sessano del Molise IS 15 727 50648
Pettoranello del Molise IS 16 460 51108
Barrea AQ 16 726 51834
Sant'Agapito IS 17 1496 53330
Carpinone IS 17 1157 54487
Capracotta IS 18 903 55390
Chiauci IS 18 233 55623
Ateleta AQ 18 1181 56804
Roccaraso AQ 19 1627 58431
Filignano IS 19 648 59079
Monteroduni IS 19 2264 61343
Castel del Giudice IS 19 346 61689
Pietrabbondante IS 19 759 62448
Civitanova del Sannio IS 20 945 63393
Longano IS 20 690 64083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km N of Caserta (76326 inhabitants)
73 Km S of Chieti (51815 inhabitants)
80 Km N of Aversa (53047 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
85 Km N of Acerra (59573 inhabitants)
85 Km N of Giugliano in Campania (122974 inhabitants)
86 Km S of Pescara (121014 inhabitants)
86 Km N of Afragola (65057 inhabitants)
88 Km N of Casoria (77642 inhabitants)
88 Km N of Marano di Napoli (59874 inhabitants)
91 Km S of Montesilvano (53738 inhabitants)
94 Km N of Pozzuoli (81661 inhabitants)
95 Km N of Napoli (974074 inhabitants)
97 Km SE of L'Aquila (69753 inhabitants)
98 Km N of Portici (55274 inhabitants)
99 Km N of Ercolano (53709 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 1.6 2019-08-15
10:02:27		 41.6928 14.1683 10 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71647841
Reviewed
Rev100 		ML 1.6 2019-08-15
10:02:28		 41.6928 14.1628 10 2019-08-15
10:22:54		 Sala Sismica INGV-Roma 71510141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-15 10:02:27 ± 0.07
Latitude 41.6928 ± 0.0045
Longitude 14.1683 ± 0.0060
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71647841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 535
Semi-minor axis of confidence ellipse (meter) 476
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
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 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.74194
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 71647841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 11:57:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 71510141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 10:22:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2019-08-15T10:02:52.13 0.6 undecidable manual S 323 79.7646 50 0.2 42
IV.T0110.HHZ. 2019-08-15T10:02:48.91 0.6 undecidable manual S 332 67.7766 50 0.2 44
IV.VVLD.HHE. 2019-08-15T10:02:43.92 0.6 undecidable manual S 294 49.2174 50 0.16 45
IT.SULP.HGE. 2019-08-15T10:02:43.91 0.6 undecidable manual S 336 47.8188 50 0.51 42
IV.VCEL.EHN. 2019-08-15T10:02:42.09 0.6 undecidable manual P 341 82.3509 50 -0.11 43
IV.INTR.HHE. 2019-08-15T10:02:41.68 0.3 undecidable manual S 328 41.5251 50 -0.04 71
IV.LPEL.HHE. 2019-08-15T10:02:41.60 0.6 undecidable manual S 2 39.2274 50 0.48 43
IV.FAGN.HHZ. 2019-08-15T10:02:41.44 0.6 undecidable manual P 323 79.7646 50 -0.35 41
IV.POFI.HHE. 2019-08-15T10:02:41.44 0.3 undecidable manual S 274 37.9287 50 0.69 60
IV.TRIV.HHZ. 2019-08-15T10:02:39.76 0.3 undecidable manual S 75 32.6451 50 0.41 67
IV.T0110.HHZ. 2019-08-15T10:02:39.47 0.1 negative manual P 332 67.7766 50 -0.47 82
IT.OPI.HGE. 2019-08-15T10:02:38.19 0.6 undecidable manual S 288 29.4483 50 -0.31 46
IV.VAGA.HHZ. 2019-08-15T10:02:38.95 0.3 undecidable manual S 170 31.2465 50 -0.03 72
IT.SULP.HGE. 2019-08-15T10:02:36.53 0.3 undecidable manual P 336 47.8188 50 -0.34 66
IV.VVLD.HHE. 2019-08-15T10:02:36.69 0.1 undecidable manual P 294 49.2174 50 -0.39 87
IV.LPEL.HHE. 2019-08-15T10:02:35.51 0.1 undecidable manual P 2 39.2274 50 -0.04 95
IV.POFI.HHE. 2019-08-15T10:02:35.19 0.1 positive manual P 274 37.9287 50 -0.15 93
IV.INTR.HHE. 2019-08-15T10:02:35.53 0.1 negative manual P 328 41.5251 50 -0.37 88
IV.VAGA.HHZ. 2019-08-15T10:02:34.41 0.1 undecidable manual P 170 31.2465 50 0.09 95
IV.CERA.HHZ. 2019-08-15T10:02:34.83 0.3 undecidable manual S 230 16.2726 122 0.22 71
IV.TRIV.HHZ. 2019-08-15T10:02:34.69 0.1 positive manual P 75 32.6451 50 0.16 94
IT.OPI.HGE. 2019-08-15T10:02:33.84 0.6 undecidable manual P 288 29.4483 50 -0.21 47
IV.MIDA.HHZ. 2019-08-15T10:02:32.11 0.3 undecidable manual S 129 9.0798 138 -0.56 66
IV.RNI2.HHZ. 2019-08-15T10:02:31.78 0.3 undecidable manual S 311 1.7982 170 0.27 72
IV.CERA.HHZ. 2019-08-15T10:02:31.89 0.1 positive manual P 230 16.2726 122 0.09 98
IV.MIDA.HHZ. 2019-08-15T10:02:30.71 0.1 negative manual P 129 9.0798 138 0.03 100
IV.RNI2.HHZ. 2019-08-15T10:02:30.27 0.1 negative manual P 311 1.7982 170 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHE. ML:2.3 0.0037737375000000003 0.16 AML other m 2019-08-15T10:02:32.30
IV.RNI2.HNE. ML:2.3 0.0034586540000000002 0.1408 AML other m 2019-08-15T10:02:32.31
IV.CERA.HHE. ML:1.4 0.00024107510000000003 0.2432 AML other m 2019-08-15T10:02:36.29
IV.CERA.HHN. ML:1.5 0.00025858505 0.1792 AML other m 2019-08-15T10:02:36.20
IV.CERA.HNN. ML:1.4 0.00023977195 0.1792 AML other m 2019-08-15T10:02:36.20
IV.CERA.HNE. ML:1.4 0.00022475504999999998 0.3008 AML other m 2019-08-15T10:02:36.29
IV.VAGA.HHE. ML:1.6 0.00017878559999999998 0.2048 AML other m 2019-08-15T10:02:40.85
IV.VAGA.HNE. ML:1.6 0.00017523375 0.224 AML other m 2019-08-15T10:02:40.85
IV.VAGA.HHN. ML:1.8 0.00032328809999999995 0.2432 AML other m 2019-08-15T10:02:41.32
IV.VAGA.HNN. ML:1.8 0.00030784245 0.2432 AML other m 2019-08-15T10:02:41.33
IV.TRIV.HNN. ML:1.1 0.000054017725000000005 0.4352 AML other m 2019-08-15T10:02:41.88
IV.TRIV.HNE. ML:1.3 0.00008366746 0.4224 AML other m 2019-08-15T10:02:42.92
IV.TRIV.HHE. ML:1.3 0.00008513123 1.5776 AML other m 2019-08-15T10:02:43.92
IV.TRIV.HHN. ML:1.1 0.000054169565 0.3968 AML other m 2019-08-15T10:02:44.54
IV.T0110.HHE. ML:1.7 0.00008114371500000001 0.2368 AML other m 2019-08-15T10:02:51.35
IV.T0110.HHN. ML:1.6 0.00007568009500000001 0.3648 AML other m 2019-08-15T10:02:56.58
IV.MIDA.HNN. ML:1.9 0.0011448058500000001 0.1792 AML other m 2019-08-15T10:02:33.78
IV.MIDA.HHE. ML:2.0 0.001358826 0.1792 AML other m 2019-08-15T10:02:33.78
IV.MIDA.HNE. ML:1.8 0.00082531328 0.1408 AML other m 2019-08-15T10:02:33.02
IV.MIDA.HHN. ML:1.8 0.000983965 0.0576 AML other m 2019-08-15T10:02:32.28
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
Waveforms Seismic signals in miniseed + resp format not available