Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 07-08-2019 and time 00:40:28 (Italy) in region Forlì del Sannio (IS)

A magnitude ML 1.0 earthquake occured in region: Forlì del Sannio (IS), on

  • 06-08-2019 22:40:28 (UTC)
  • 07-08-2019 00:40:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6930, 14.1820 at 11 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 0 675 675
Acquaviva d'Isernia IS 3 425 1100
Rionero Sannitico IS 4 1118 2218
Roccasicura IS 4 550 2768
Miranda IS 8 1047 3815
Cerro al Volturno IS 8 1281 5096
Carovilli IS 10 1359 6455
Montenero Val Cocchiara IS 10 538 6993
Fornelli IS 10 1909 8902
Castel San Vincenzo IS 11 516 9418
San Pietro Avellana IS 11 503 9921
Rocchetta a Volturno IS 11 1113 11034
Vastogirardi IS 11 704 11738
Castel di Sangro AQ 12 6538 18276
Isernia IS 12 21842 40118
Colli a Volturno IS 12 1349 41467
Pesche IS 12 1661 43128
Pizzone IS 12 329 43457
Pescolanciano IS 13 855 44312
Alfedena AQ 13 864 45176
Scontrone AQ 13 574 45750
Scapoli IS 13 680 46430
Sessano del Molise IS 14 727 47157
Macchia d'Isernia IS 14 1035 48192
Montaquila IS 15 2456 50648
Pettoranello del Molise IS 15 460 51108
Carpinone IS 16 1157 52265
Sant'Agapito IS 17 1496 53761
Chiauci IS 17 233 53994
Capracotta IS 17 903 54897
Barrea AQ 17 726 55623
Ateleta AQ 18 1181 56804
Pietrabbondante IS 18 759 57563
Castel del Giudice IS 19 346 57909
Civitanova del Sannio IS 19 945 58854
Monteroduni IS 19 2264 61118
Roccaraso AQ 19 1627 62745
Filignano IS 19 648 63393
Longano IS 20 690 64083
Agnone IS 20 5139 69222
Castelverrino IS 20 115 69337

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)
80 Km NW of Benevento (60091 inhabitants)
84 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)
92 Km S of Montesilvano (53738 inhabitants)
94 Km N of Pozzuoli (81661 inhabitants)
95 Km N of Napoli (974074 inhabitants)
98 Km N of Portici (55274 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
99 Km N of Ercolano (53709 inhabitants)
100 Km W of San Severo (53905 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 2019-08-06
22:40:28		 41.6928 14.1822 11 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71267531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-06 22:40:28 ± 0.08
Latitude 41.6928 ± 0.0045
Longitude 14.1822 ± 0.0072
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71267531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 454
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 12
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37951
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 71267531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 09:34:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILZ.HHZ. 2019-08-06T22:42:08.74 3.0 undecidable manual Sn -4.98 0
OX.DRE.HHZ. 2019-08-06T22:41:55.92 3.0 undecidable manual Sn 2.4 0
IV.ZCCA.HHZ. 2019-08-06T22:41:40.85 3.0 undecidable manual Sg 8.87 0
GU.GSCL.HHZ. 2019-08-06T22:41:40.62 3.0 undecidable manual Sn 3.27 0
IV.ENIC.HHZ. 2019-08-06T22:41:39.62 3.0 undecidable manual Pg 11.16 0
MN.TRI.HHZ. 2019-08-06T22:41:34.83 3.0 undecidable manual Sn -7.31 0
IV.MILN.HNZ. 2019-08-06T22:41:33.25 3.0 undecidable manual Pg 13.33 0
IV.MNTV.HNZ. 2019-08-06T22:41:18.82 3.0 undecidable manual Pg 12.92 0
IV.SPS2.HHZ. 2019-08-06T22:41:12.01 3.0 undecidable manual Pn 0.34 0
OX.SABO.HHZ. 2019-08-06T22:41:04.48 3.0 undecidable manual Pn -1.99 0
IV.VIVA.HHZ. 2019-08-06T22:40:53.75 3.0 undecidable manual S 0.82 0
IV.MMUR.HNZ. 2019-08-06T22:40:49.51 3.0 undecidable manual S -1.1 0
IV.POFI.HNE. 2019-08-06T22:40:42.06 0.6 undecidable manual S 274 39.0276 50 0.36 45
IV.INTR.HHE. 2019-08-06T22:40:42.44 0.3 undecidable manual S 327 42.1245 50 -0.09 71
IV.VAGA.HHZ. 2019-08-06T22:40:39.62 0.6 undecidable manual S 172 31.0467 50 0.04 49
IV.INTR.HHE. 2019-08-06T22:40:36.45 0.1 positive manual P 327 42.1245 50 -0.26 91
IV.POFI.HNE. 2019-08-06T22:40:36.33 0.3 undecidable manual P 274 39.0276 50 0.1 71
IV.VAGA.HHZ. 2019-08-06T22:40:35.07 0.6 undecidable manual P 172 31.0467 50 0.07 48
IV.CERA.HHZ. 2019-08-06T22:40:35.55 0.3 undecidable manual S 232 17.1717 122 -0.25 72
IV.VIVA.HHZ. 2019-08-06T22:40:35.61 3.0 positive manual P 0.64 0
IV.MIDA.HHZ. 2019-08-06T22:40:33.20 0.6 undecidable manual S 133 8.1807 143 -0.25 48
IV.CERA.HHZ. 2019-08-06T22:40:32.79 0.1 undecidable manual P 232 17.1717 122 -0.03 100
IV.RNI2.HHZ. 2019-08-06T22:40:32.74 0.3 undecidable manual S 295 2.6973 166 0.13 75
IV.RNI2.HHZ. 2019-08-06T22:40:31.14 0.1 positive manual P 295 2.6973 166 0.16 100
IV.MIDA.HHZ. 2019-08-06T22:40:31.58 0.1 negative manual P 133 8.1807 143 0.11 100
IV.FDMO.HHZ. 2019-08-06T22:40:30.43 3.0 undecidable manual P 3.23 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHN. ML:1.4 0.000379 0.16 AML other m 2019-08-06T22:40:32.92
IV.RNI2.HNN. ML:1.3 0.00034599999999999995 0.16 AML other m 2019-08-06T22:40:32.92
IV.MIDA.HHN. ML:0.6 0.0000621 0.84 AML other m 2019-08-06T22:40:33.46
IV.RNI2.HHE. ML:1.0 0.00017549999999999998 1.26 AML other m 2019-08-06T22:40:33.17
IV.RNI2.HNE. ML:1.0 0.0001835 1.28 AML other m 2019-08-06T22:40:33.81
IV.MIDA.HHE. ML:0.6 0.000048599999999999995 1.04 AML other m 2019-08-06T22:40:34.64
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