Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-02-2016 and time 19:32:19 (Italy) in region 1 km SE Isernia (IS)

A magnitude ML 2.0 earthquake occured in region: 1 km SE Isernia (IS), on

  • 18-02-2016 18:32:19 (UTC)
  • 18-02-2016 19:32:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5850, 14.2350 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
Isernia IS 1 21842 21842
Pettoranello del Molise IS 4 460 22302
Sant'Agapito IS 5 1496 23798
Pesche IS 5 1661 25459
Macchia d'Isernia IS 6 1035 26494
Miranda IS 7 1047 27541
Longano IS 7 690 28231
Carpinone IS 8 1157 29388
Fornelli IS 8 1909 31297
Monteroduni IS 8 2264 33561
Castelpizzuto IS 9 155 33716
Castelpetroso IS 10 1680 35396
Montaquila IS 10 2456 37852
Sessano del Molise IS 10 727 38579
Colli a Volturno IS 11 1349 39928
Santa Maria del Molise IS 12 665 40593
Acquaviva d'Isernia IS 12 425 41018
Roccasicura IS 13 550 41568
Rocchetta a Volturno IS 13 1113 42681
Forlì del Sannio IS 13 675 43356
Gallo Matese CE 13 579 43935
Cerro al Volturno IS 13 1281 45216
Pescolanciano IS 14 855 46071
Roccamandolfi IS 14 938 47009
Macchiagodena IS 15 1854 48863
Letino CE 15 712 49575
Capriati a Volturno CE 15 1541 51116
Cantalupo nel Sannio IS 15 739 51855
Fontegreca CE 15 811 52666
Scapoli IS 15 680 53346
Carovilli IS 15 1359 54705
Filignano IS 15 648 55353
Ciorlano CE 16 426 55779
Rionero Sannitico IS 16 1118 56897
Castel San Vincenzo IS 16 516 57413
Chiauci IS 16 233 57646
Pozzilli IS 17 2380 60026
Civitanova del Sannio IS 17 945 60971
Prata Sannita CE 17 1502 62473
San Massimo CB 18 855 63328
Valle Agricola CE 18 890 64218
Frosolone IS 18 3170 67388
Pizzone IS 19 329 67717
Venafro IS 19 11280 78997
Sant'Elena Sannita IS 20 275 79272

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km N of Caserta (76326 inhabitants)
68 Km N of Aversa (53047 inhabitants)
68 Km NW of Benevento (60091 inhabitants)
72 Km N of Acerra (59573 inhabitants)
73 Km N of Giugliano in Campania (122974 inhabitants)
74 Km N of Afragola (65057 inhabitants)
76 Km N of Casoria (77642 inhabitants)
76 Km N of Marano di Napoli (59874 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
83 Km N of Napoli (974074 inhabitants)
85 Km N of Portici (55274 inhabitants)
86 Km S of Chieti (51815 inhabitants)
87 Km N of Ercolano (53709 inhabitants)
88 Km NW of Avellino (54857 inhabitants)
89 Km N of Torre del Greco (86275 inhabitants)
96 Km W of San Severo (53905 inhabitants)
96 Km N of Scafati (50787 inhabitants)
98 Km S of Pescara (121014 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 2.0 2016-02-18
18:32:19		 41.5848 14.2353 9 2016-05-17
13:17:23		 Bollettino Sismico Italiano INGV 23560501
Reviewed
Rev100 		ML 2.1 2016-02-18
18:32:20		 41.5797 14.2188 9 2016-02-18
18:48:17		 Sala Sismica INGV-Roma 23539031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-02-18 18:32:19 ± 0.12
Latitude 41.5848 ± 0.0090
Longitude 14.2353 ± 0.0120
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23560501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1151
Semi-minor axis of confidence ellipse (meter) 546
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.72935
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 23560501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-03-14 10:17:31

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 23539031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-02-18 18:38:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2016-02-18T18:32:39.31 0.6 undecidable manual S 302 59.6958 50 0.53 42
IV.INTR.HHE. 2016-02-18T18:32:37.67 0.6 undecidable manual S 330 54.7008 50 0.24 46
IV.T0110.HHZ. 2016-02-18T18:32:33.44 0.3 undecidable manual P 332 80.9523 50 -0.65 58
IV.MODR.HHE. 2016-02-18T18:32:31.25 0.3 undecidable manual P 212 57.0984 50 0.85 56
IV.PAOL.HHN. 2016-02-18T18:32:31.63 0.3 undecidable manual P 156 67.377 50 -0.36 65
IV.CIGN.HHN. 2016-02-18T18:32:30.80 0.3 undecidable manual P 82 56.0994 50 0.54 63
IV.VITU.HHZ. 2016-02-18T18:32:30.44 0.1 undecidable manual P 143 55.3002 50 0.3 90
IV.INTR.HHE. 2016-02-18T18:32:29.47 0.1 undecidable manual P 330 54.7008 50 -0.57 84
IV.LPEL.HHZ. 2016-02-18T18:32:29.45 0.3 undecidable manual P 355 51.4152 50 -0.09 71
IV.VVLD.HHZ. 2016-02-18T18:32:29.95 0.1 undecidable manual P 302 59.6958 50 -0.86 74
IV.TRIV.HHZ. 2016-02-18T18:32:27.07 0.1 undecidable manual P 52 32.9448 50 0.38 92
IV.PTRJ.HHE. 2016-02-18T18:32:27.16 0.6 undecidable manual P 135 34.5432 50 0.22 47
IV.CERA.HHZ. 2016-02-18T18:32:27.62 0.3 undecidable manual S 275 18.0708 117 0.68 64
IV.RNI2.HHZ. 2016-02-18T18:32:26.12 0.3 undecidable manual S 332 14.874 121 0.16 74
IV.T1101.HNN. 2016-02-18T18:32:25.85 0.3 undecidable manual P 116 27.8499 108 0.06 74
IV.SGG.HHN. 2016-02-18T18:32:24.64 0.1 undecidable manual P 151 25.0527 110 -0.62 87
IV.CERA.HHZ. 2016-02-18T18:32:23.66 0.1 undecidable manual P 275 18.0708 117 -0.32 95
IV.RNI2.HHZ. 2016-02-18T18:32:23.66 0.1 positive manual P 332 14.874 121 0.25 97
IV.MIDA.HHZ. 2016-02-18T18:32:23.88 0.3 undecidable manual S 14 6.4935 144 0.09 77
IV.MIDA.HHZ. 2016-02-18T18:32:21.97 0.1 positive manual P 14 6.4935 144 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:1.9 0.0007424999999999999 0.34 AML other m 2016-02-18T18:32:33.42
IV.CERA.HHN. ML:2.2 0.0012850000000000001 0.44 AML other m 2016-02-18T18:32:33.34
IV.MIDA.HNE. ML:2.3 0.003065 0.48 AML other m 2016-02-18T18:32:25.71
IV.MIDA.HHE. ML:2.3 0.0032400000000000003 0.48 AML other m 2016-02-18T18:32:25.71
IV.MIDA.HHN. ML:2.2 0.00304 0.38 AML other m 2016-02-18T18:32:24.56
IV.MIDA.HNN. ML:2.3 0.00315 0.4 AML other m 2016-02-18T18:32:24.56
IV.RNI2.HNE. ML:2.2 0.001415 1.26 AML other m 2016-02-18T18:32:29.80
IV.RNI2.HHE. ML:2.2 0.0014399999999999999 1.28 AML other m 2016-02-18T18:32:29.79
IV.RNI2.HNN. ML:2.0 0.0010145 0.68 AML other m 2016-02-18T18:32:30.30
IV.RNI2.HHN. ML:2.0 0.0010249999999999999 0.68 AML other m 2016-02-18T18:32:29.96
IV.TRIV.HHE. ML:1.7 0.00023899999999999998 1.58 AML other m 2016-02-18T18:32:40.07
IV.TRIV.HHN. ML:1.8 0.0002575 1.58 AML other m 2016-02-18T18:32:48.83
IV.VITU.HHN. ML:2.1 0.000314 0.76 AML other m 2016-02-18T18:32:46.29
IV.VITU.HHE. ML:2.0 0.000259 0.58 AML other m 2016-02-18T18:32:45.48
IV.VVLD.HHE. ML:1.6 0.00009029999999999999 0.78 AML other m 2016-02-18T18:32:45.40
IV.VVLD.HHN. ML:1.6 0.00008460000000000001 0.72 AML other m 2016-02-18T18:32:43.86
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 Download