Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 07-08-2019 and time 00:00:47 (Italy) in region 1 km SE Forlì del Sannio (IS)

A magnitude ML 0.5 earthquake occured in region: 1 km SE Forlì del Sannio (IS), on

  • 06-08-2019 22:00:47 (UTC)
  • 07-08-2019 00:00:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6880, 14.1860 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
Roccasicura IS 4 550 1650
Rionero Sannitico IS 5 1118 2768
Miranda IS 7 1047 3815
Cerro al Volturno IS 8 1281 5096
Carovilli IS 10 1359 6455
Fornelli IS 10 1909 8364
Montenero Val Cocchiara IS 10 538 8902
Rocchetta a Volturno IS 11 1113 10015
Castel San Vincenzo IS 11 516 10531
San Pietro Avellana IS 11 503 11034
Isernia IS 12 21842 32876
Vastogirardi IS 12 704 33580
Pesche IS 12 1661 35241
Colli a Volturno IS 12 1349 36590
Pescolanciano IS 13 855 37445
Pizzone IS 13 329 37774
Castel di Sangro AQ 13 6538 44312
Scapoli IS 13 680 44992
Sessano del Molise IS 13 727 45719
Alfedena AQ 14 864 46583
Scontrone AQ 14 574 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 16 1496 53761
Chiauci IS 17 233 53994
Capracotta IS 18 903 54897
Barrea AQ 18 726 55623
Pietrabbondante IS 18 759 56382
Monteroduni IS 18 2264 58646
Civitanova del Sannio IS 18 945 59591
Ateleta AQ 19 1181 60772
Longano IS 19 690 61462
Filignano IS 19 648 62110
Castel del Giudice IS 19 346 62456
Castelpetroso IS 19 1680 64136
Roccaraso AQ 20 1627 65763
Castelverrino IS 20 115 65878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km N of Caserta (76326 inhabitants)
74 Km S of Chieti (51815 inhabitants)
79 Km NW of Benevento (60091 inhabitants)
79 Km N of Aversa (53047 inhabitants)
84 Km N of Acerra (59573 inhabitants)
84 Km N of Giugliano in Campania (122974 inhabitants)
86 Km N of Afragola (65057 inhabitants)
87 Km S of Pescara (121014 inhabitants)
87 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)
94 Km N of Napoli (974074 inhabitants)
97 Km N of Portici (55274 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
99 Km N of Ercolano (53709 inhabitants)
99 Km W of San Severo (53905 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 0.5 2019-08-06
22:00:47		 41.6877 14.1863 10 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71267341
Reviewed
Rev100 		ML 0.2 2019-08-06
22:00:47		 41.6743 14.1862 9 2019-08-06
22:10:56		 Sala Sismica INGV-Roma 71230271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-06 22:00:47 ± 0.1
Latitude 41.6877 ± 0.0054
Longitude 14.1863 ± 0.0084
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 71267341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 743
Semi-minor axis of confidence ellipse (meter) 541
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 71267341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 09:27:07

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 71230271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-06 22:10:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TREG.HNZ. 2019-08-06T22:02:30.52 3.0 undecidable manual Sn -1.01 0
OX.DRE.HHZ. 2019-08-06T22:01:56.65 3.0 undecidable manual Pg 14.09 0
IV.CORL.HHZ. 2019-08-06T22:01:32.21 3.0 undecidable manual Pn -6.59 0
IV.IACL.HHZ. 2019-08-06T22:01:28.66 3.0 positive manual Pg -0.39 0
IV.LAV9.HNZ. 2019-08-06T22:01:16.98 3.0 undecidable manual Sn -0.37 0
IV.CPGN.EHZ. 2019-08-06T22:01:14.45 3.0 undecidable manual Pn -2.16 0
IV.ARVD.HHZ. 2019-08-06T22:01:10.85 3.0 negative manual Pn 1.1 0
IV.INTR.HHE. 2019-08-06T22:01:01.54 1.0 undecidable manual S 327 42.8238 50 0.29 23
IV.POFI.HNE. 2019-08-06T22:01:00.56 0.3 undecidable manual S 275 39.4272 50 0.22 69
IV.MNTT.EHZ. 2019-08-06T22:01:00.39 3.0 negative manual Pn -1.23 0
IV.VAGA.HHE. 2019-08-06T22:00:57.96 0.3 undecidable manual S 172 30.4473 50 0.01 74
IV.INTR.HHE. 2019-08-06T22:00:54.90 0.1 undecidable manual P 327 42.8238 50 -0.42 88
IV.MCRV.HHZ. 2019-08-06T22:00:54.54 3.0 undecidable manual P -6.58 0
IV.POFI.HNE. 2019-08-06T22:00:54.70 1.0 undecidable manual P 275 39.4272 50 -0.09 24
IV.VAGA.HHE. 2019-08-06T22:00:53.74 1.0 undecidable manual P 172 30.4473 50 0.33 23
IV.CERA.HHZ. 2019-08-06T22:00:53.99 0.3 undecidable manual S 234 17.1717 121 -0.19 73
IV.MIDA.HHZ. 2019-08-06T22:00:51.46 0.3 undecidable manual S 132 7.5813 144 -0.23 73
IV.CERA.HHZ. 2019-08-06T22:00:51.20 0.1 undecidable manual P 234 17.1717 121 -0.03 100
IV.RNI2.HHZ. 2019-08-06T22:00:51.10 0.3 undecidable manual S 302 3.2967 162 0.09 76
IV.MIDA.HHZ. 2019-08-06T22:00:50.00 0.1 negative manual P 132 7.5813 144 0.2 98
IV.RNI2.HHZ. 2019-08-06T22:00:49.57 0.1 negative manual P 302 3.2967 162 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HNN. ML:1.0 0.00019273735 0.1536 AML other m 2019-08-06T22:00:51.35
IV.RNI2.HHN. ML:1.1 0.00020500000000000002 0.16 AML other m 2019-08-06T22:00:51.36
IV.RNI2.HHE. ML:0.8 0.00010925 0.32 AML other m 2019-08-06T22:00:51.59
IV.RNI2.HNE. ML:0.7 0.00009691795999999999 0.1792 AML other m 2019-08-06T22:00:51.58
IV.MIDA.HHE. ML:0.3 0.00002993354 0.1792 AML other m 2019-08-06T22:00:53.04
IV.MIDA.HHN. ML:0.2 0.00002175987 0.1152 AML other m 2019-08-06T22:00:53.86
IV.CERA.HNE. ML:0.5 0.00002369093 1.2928 AML other m 2019-08-06T22:00:54.16
IV.CERA.HNN. ML:0.4 0.00001909466 0.704 AML other m 2019-08-06T22:00:54.57
IV.CERA.HHN. ML:0.1 0.000010671585 0.4384 AML other m 2019-08-06T22:00:55.52
IV.CERA.HHE. ML:0.1 0.000009734523 1.296 AML other m 2019-08-06T22:00:55.71
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