Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 20-08-2019 and time 03:36:05 (UTC) in region 2 km NE Forlì del Sannio (IS)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Forlì del Sannio (IS), on

  • 20-08-2019 03:36:05 (UTC)
  • 20-08-2019 05:36:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7090, 14.2010 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 675 675
Roccasicura IS 3 550 1225
Rionero Sannitico IS 5 1118 2343
Acquaviva d'Isernia IS 6 425 2768
Carovilli IS 8 1359 4127
Miranda IS 8 1047 5174
Vastogirardi IS 9 704 5878
San Pietro Avellana IS 9 503 6381
Cerro al Volturno IS 10 1281 7662
Montenero Val Cocchiara IS 11 538 8200
Castel di Sangro AQ 12 6538 14738
Pescolanciano IS 12 855 15593
Fornelli IS 12 1909 17502
Pesche IS 13 1661 19163
Castel San Vincenzo IS 13 516 19679
Rocchetta a Volturno IS 13 1113 20792
Sessano del Molise IS 13 727 21519
Isernia IS 14 21842 43361
Scontrone AQ 14 574 43935
Alfedena AQ 14 864 44799
Pizzone IS 14 329 45128
Colli a Volturno IS 15 1349 46477
Capracotta IS 15 903 47380
Chiauci IS 16 233 47613
Scapoli IS 16 680 48293
Pietrabbondante IS 16 759 49052
Pettoranello del Molise IS 16 460 49512
Ateleta AQ 16 1181 50693
Macchia d'Isernia IS 16 1035 51728
Castel del Giudice IS 17 346 52074
Carpinone IS 17 1157 53231
Montaquila IS 17 2456 55687
Civitanova del Sannio IS 18 945 56632
Agnone IS 18 5139 61771
Castelverrino IS 18 115 61886
Barrea AQ 18 726 62612
Sant'Agapito IS 18 1496 64108
Roccaraso AQ 18 1627 65735
Poggio Sannita IS 19 702 66437
Sant'Angelo del Pesco IS 20 364 66801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km N of Caserta (76326 inhabitants)
72 Km S of Chieti (51815 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
82 Km N of Aversa (53047 inhabitants)
84 Km S of Pescara (121014 inhabitants)
86 Km N of Acerra (59573 inhabitants)
87 Km N of Giugliano in Campania (122974 inhabitants)
88 Km N of Afragola (65057 inhabitants)
90 Km N of Casoria (77642 inhabitants)
90 Km S of Montesilvano (53738 inhabitants)
90 Km N of Marano di Napoli (59874 inhabitants)
96 Km N of Pozzuoli (81661 inhabitants)
97 Km N of Napoli (974074 inhabitants)
97 Km SE of L'Aquila (69753 inhabitants)
98 Km W of San Severo (53905 inhabitants)
99 Km N of Portici (55274 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 2019-08-20
03:36:05		 41.7093 14.2012 11 2019-11-13
14:30:59		 Bollettino Sismico Italiano INGV 71739171
Reviewed
Rev100 		ML 1.4 2019-08-20
03:36:05		 41.7148 14.1837 9 2019-08-20
03:41:59		 Sala Sismica INGV-Roma 71638101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-20 03:36:05 ± 0.04
Latitude 41.7093 ± 0.0027
Longitude 14.2012 ± 0.0036
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 71739171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 71638101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-20 03:41:59

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 71739171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-05 09:42:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.SULP.HGZ. 2019-08-20T03:36:21.08 0.6 undecidable manual S 332 47.4192 50 0.32 44
IV.MCI.EHZ. 2019-08-20T03:36:19.14 0.6 undecidable manual S 233 40.3263 50 0.28 45
IV.SGG.HHZ. 2019-08-20T03:36:18.41 0.6 undecidable manual S 157 38.7279 50 -0.03 47
IV.INTR.HHZ. 2019-08-20T03:36:18.97 0.6 undecidable manual S 324 41.5251 50 -0.22 45
IV.T0110.HHZ. 2019-08-20T03:36:17.12 0.3 undecidable manual P 329 67.4769 50 -0.32 64
IV.LPEL.HHZ. 2019-08-20T03:36:17.78 0.3 undecidable manual S 358 37.4292 50 -0.33 67
IV.VAGA.HHZ. 2019-08-20T03:36:16.92 0.3 undecidable manual S 175 32.745 50 0.08 71
IV.TRIV.HHZ. 2019-08-20T03:36:16.24 0.6 undecidable manual S 77 29.5482 50 0.23 46
IT.OPI.HGE. 2019-08-20T03:36:16.68 0.3 undecidable manual S 284 31.5462 50 0.14 70
IT.SULP.HGZ. 2019-08-20T03:36:14.47 0.6 undecidable manual P 332 47.4192 50 0.13 46
IV.FRES.HHZ. 2019-08-20T03:36:14.86 0.3 undecidable manual P 53 48.5181 50 0.34 66
IV.VVLD.HHZ. 2019-08-20T03:36:14.59 0.6 undecidable manual P 291 51.0156 50 -0.31 44
IV.POFI.HNE. 2019-08-20T03:36:13.32 0.1 undecidable manual P 271 40.5261 50 0.04 94
IV.MCI.EHZ. 2019-08-20T03:36:13.28 0.3 undecidable manual P 233 40.3263 50 0.04 71
IV.INTR.HHZ. 2019-08-20T03:36:13.34 0.1 positive manual P 324 41.5251 50 -0.1 93
IV.CERA.HHZ. 2019-08-20T03:36:13.35 0.3 undecidable manual S 231 19.5693 119 0.03 74
IV.SGG.HHZ. 2019-08-20T03:36:12.79 0.3 undecidable manual P 157 38.7279 50 -0.21 69
IV.LPEL.HHZ. 2019-08-20T03:36:12.78 0.3 undecidable manual P 358 37.4292 50 -0.03 95
IV.BSSO.HHZ. 2019-08-20T03:36:12.54 0.6 undecidable manual P 119 37.2294 50 -0.24 46
IT.OPI.HGE. 2019-08-20T03:36:12.04 0.3 undecidable manual P 284 31.5462 50 0.14 71
IV.VAGA.HHZ. 2019-08-20T03:36:11.94 0.1 positive manual P 175 32.745 50 -0.14 94
IT.VNF1.HGZ. 2019-08-20T03:36:11.34 1.0 undecidable manual P 206 28.3494 50 -0.06 24
IV.TRIV.HHZ. 2019-08-20T03:36:11.83 0.1 undecidable manual P 77 29.5482 50 0.23 93
IV.MIDA.HHZ. 2019-08-20T03:36:10.12 0.6 undecidable manual S 150 8.6802 141 -0.24 48
IV.CERA.HHZ. 2019-08-20T03:36:09.94 0.1 positive manual P 231 19.5693 119 -0.1 97
IV.RNI2.HHZ. 2019-08-20T03:36:09.70 0.3 undecidable manual S 261 4.0959 159 0.14 74
IV.RNI2.HHZ. 2019-08-20T03:36:08.02 0.1 negative manual P 261 4.0959 159 0.14 99
IV.MIDA.HHZ. 2019-08-20T03:36:08.31 0.1 positive manual P 150 8.6802 141 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.2 0.000107 0.6 AML other m 2019-08-20T03:36:16.13
IV.CERA.HHE. ML:1.2 0.00011949999999999999 0.62 AML other m 2019-08-20T03:36:17.81
IV.CERA.HNE. ML:1.2 0.0001219549 0.64 AML other m 2019-08-20T03:36:17.81
IV.VAGA.HNE. ML:1.4 0.00010081767 0.1808 AML other m 2019-08-20T03:36:18.56
IV.VAGA.HHE. ML:1.4 0.00010735000000000001 0.18 AML other m 2019-08-20T03:36:18.56
IV.LPEL.HHN. ML:1.7 0.000183 0.16 AML other m 2019-08-20T03:36:19.33
IV.LPEL.HNN. ML:1.6 0.00016582025 0.16 AML other m 2019-08-20T03:36:19.49
IV.TRIV.HHE. ML:1.2 0.00008054999999999999 0.36 AML other m 2019-08-20T03:36:19.97
IV.INTR.HNE. ML:1.4 0.0000863388255 0.2 AML other m 2019-08-20T03:36:20.18
IV.CERA.HNN. ML:1.2 0.00010516397 0.3792 AML other m 2019-08-20T03:36:20.22
IV.VAGA.HNN. ML:1.5 0.00014712704999999998 0.2 AML other m 2019-08-20T03:36:20.88
IV.VAGA.HHN. ML:1.5 0.00015099999999999998 0.2 AML other m 2019-08-20T03:36:20.88
IV.LPEL.HNE. ML:1.6 0.00012870315 0.1696 AML other m 2019-08-20T03:36:20.80
IV.TRIV.HNE. ML:1.2 0.00008229336 0.4592 AML other m 2019-08-20T03:36:20.88
IV.LPEL.HHE. ML:1.6 0.000147 0.16 AML other m 2019-08-20T03:36:21.19
IV.INTR.HNN. ML:1.8 0.00019359795000000002 0.36 AML other m 2019-08-20T03:36:21.22
IV.INTR.HHN. ML:1.7 0.000174 1.52 AML other m 2019-08-20T03:36:21.99
IV.TRIV.HHN. ML:1.3 0.00009709999999999999 0.46 AML other m 2019-08-20T03:36:21.66
IV.TRIV.HNN. ML:1.2 0.00008654049 0.4592 AML other m 2019-08-20T03:36:21.67
IV.INTR.HHE. ML:1.4 0.0000824 0.74 AML other m 2019-08-20T03:36:21.45
IV.SGG.HHN. ML:1.3 0.00006595 0.52 AML other m 2019-08-20T03:36:21.72
IV.VVLD.HHE. ML:1.3 0.00005285 0.5 AML other m 2019-08-20T03:36:22.61
IV.VVLD.HHN. ML:1.2 0.000043899999999999996 0.52 AML other m 2019-08-20T03:36:22.49
IV.SGG.HHE. ML:1.2 0.00005905 0.7 AML other m 2019-08-20T03:36:22.45
IV.T0110.HHE. ML:1.7 0.0000812 1.1 AML other m 2019-08-20T03:36:30.07
IV.T0110.HHN. ML:1.5 0.00006065 0.64 AML other m 2019-08-20T03:36:32.56
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