Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 17-12-2017 and time 13:56:22 (Italy) in region 3 km S Vastogirardi (IS)

A magnitude ML 2.4 earthquake occured in region: 3 km S Vastogirardi (IS), on

  • 17-12-2017 12:56:22 (UTC)
  • 17-12-2017 13:56:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7460, 14.2560 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
Vastogirardi IS 3 704 704
Carovilli IS 5 1359 2063
Roccasicura IS 6 550 2613
San Pietro Avellana IS 8 503 3116
Forlì del Sannio IS 8 675 3791
Capracotta IS 10 903 4694
Pescolanciano IS 10 855 5549
Rionero Sannitico IS 10 1118 6667
Pietrabbondante IS 11 759 7426
Miranda IS 11 1047 8473
Agnone IS 12 5139 13612
Acquaviva d'Isernia IS 12 425 14037
Castelverrino IS 12 115 14152
Castel del Giudice IS 12 346 14498
Castel di Sangro AQ 13 6538 21036
Chiauci IS 13 233 21269
Ateleta AQ 13 1181 22450
Sessano del Molise IS 13 727 23177
Poggio Sannita IS 14 702 23879
Pesche IS 15 1661 25540
Civitanova del Sannio IS 15 945 26485
Pescopennataro IS 15 285 26770
Sant'Angelo del Pesco IS 15 364 27134
Montenero Val Cocchiara IS 16 538 27672
Cerro al Volturno IS 16 1281 28953
Belmonte del Sannio IS 17 768 29721
Bagnoli del Trigno IS 17 735 30456
Isernia IS 18 21842 52298
Scontrone AQ 18 574 52872
Carpinone IS 18 1157 54029
Fornelli IS 18 1909 55938
Gamberale CH 18 320 56258
Alfedena AQ 18 864 57122
Roccaraso AQ 19 1627 58749
Castel San Vincenzo IS 19 516 59265
Pettoranello del Molise IS 19 460 59725
Rosello CH 19 237 59962
Rocchetta a Volturno IS 19 1113 61075
Duronia CB 20 405 61480
Pizzoferrato CH 20 1130 62610
Borrello CH 20 354 62964

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km S of Chieti (51815 inhabitants)
75 Km N of Caserta (76326 inhabitants)
80 Km S of Pescara (121014 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
86 Km N of Aversa (53047 inhabitants)
86 Km S of Montesilvano (53738 inhabitants)
89 Km N of Acerra (59573 inhabitants)
91 Km N of Giugliano in Campania (122974 inhabitants)
92 Km N of Afragola (65057 inhabitants)
93 Km N of Casoria (77642 inhabitants)
94 Km W of San Severo (53905 inhabitants)
94 Km N of Marano di Napoli (59874 inhabitants)
98 Km SE of L'Aquila (69753 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 2.4 2017-12-17
12:56:22		 41.7457 14.256 11 2018-09-04
09:10:39		 Bollettino Sismico Italiano INGV 52977961
Reviewed
Rev100 		ML 2.4 2017-12-17
12:56:23		 41.7457 14.2362 10 2017-12-17
13:05:20		 Sala Sismica INGV-Roma 52640981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-17 12:56:22 ± 0.04
Latitude 41.7457 ± 0.0018
Longitude 14.2560 ± 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 52977961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 52977961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-02 12:30:10

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 52640981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-17 13:05:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2017-12-17T12:56:46.73 0.6 undecidable manual S 316 79.9644 90 -0.04 46
IV.PTQR.HHZ. 2017-12-17T12:56:46.02 0.6 undecidable manual S 294 76.9674 90 0.05 46
IV.T0110.HHZ. 2017-12-17T12:56:43.41 0.3 undecidable manual S 324 66.6777 90 0.2 68
IV.LRP.EHN. 2017-12-17T12:56:40.88 0.3 undecidable manual S 259 56.499 90 0.38 67
IV.POFI.HHZ. 2017-12-17T12:56:37.77 0.3 undecidable manual S 266 45.1215 90 0.3 70
IV.PAOL.HHN. 2017-12-17T12:56:37.30 1.0 undecidable manual P 162 83.3499 90 0.07 23
IV.MCI.EHE. 2017-12-17T12:56:37.90 1.0 undecidable manual S 233 46.3203 90 0.11 24
IV.INTR.HHZ. 2017-12-17T12:56:36.85 0.3 undecidable manual S 316 41.3253 90 0.39 68
IV.FAGN.HHZ. 2017-12-17T12:56:36.62 0.1 undecidable manual P 316 79.9644 90 -0.09 91
IV.PTQR.HHZ. 2017-12-17T12:56:36.01 0.3 undecidable manual P 294 76.9674 90 -0.24 66
IV.VAGA.HHZ. 2017-12-17T12:56:35.09 0.6 undecidable manual S 183 36.741 90 -0.12 48
IV.BSSO.HHZ. 2017-12-17T12:56:34.99 0.6 undecidable manual S 128 35.742 90 0.04 50
IV.LPEL.HHZ. 2017-12-17T12:56:34.11 0.3 undecidable manual S 350 33.9438 90 -0.37 70
IV.T0110.HHZ. 2017-12-17T12:56:34.37 0.1 positive manual P 324 66.6777 90 -0.28 89
IV.GATE.HNN. 2017-12-17T12:56:33.97 0.6 undecidable manual P 115 60.0954 90 0.33 45
IV.SACR.HNN. 2017-12-17T12:56:33.06 0.3 undecidable manual P 136 53.7018 90 0.4 67
IV.PIGN.HHZ. 2017-12-17T12:56:33.67 0.1 undecidable manual P 186 60.8946 90 -0.09 93
IV.CERA.HHZ. 2017-12-17T12:56:32.10 0.3 undecidable manual S 230 25.6521 90 -0.16 73
IV.TRIV.HHZ. 2017-12-17T12:56:32.10 1.0 undecidable manual S 84 24.4533 90 0.16 25
IV.LRP.EHN. 2017-12-17T12:56:32.95 0.1 undecidable manual P 259 56.499 90 -0.14 93
IV.CIGN.HHN. 2017-12-17T12:56:32.56 0.3 undecidable manual P 100 54.7008 90 -0.25 69
IV.MCI.EHE. 2017-12-17T12:56:31.60 0.1 positive manual P 233 46.3203 90 0.08 97
IV.POFI.HHZ. 2017-12-17T12:56:31.34 0.1 positive manual P 266 45.1215 90 0 98
IV.INTR.HHZ. 2017-12-17T12:56:30.73 0.1 positive manual P 316 41.3253 90 -0.03 98
IV.BSSO.HHZ. 2017-12-17T12:56:30.08 0.1 positive manual P 128 35.742 90 0.2 96
IV.SGG.HHZ. 2017-12-17T12:56:30.38 0.1 positive manual P 166 41.1255 90 -0.34 92
IV.LPEL.HHZ. 2017-12-17T12:56:29.50 0.1 positive manual P 350 33.9438 90 -0.11 98
IV.VAGA.HHZ. 2017-12-17T12:56:29.79 0.1 positive manual P 183 36.741 90 -0.24 94
IV.CERA.HHZ. 2017-12-17T12:56:28.27 0.1 positive manual P 230 25.6521 90 -0.06 100
IV.TRIV.HHZ. 2017-12-17T12:56:28.29 0.1 positive manual P 84 24.4533 90 0.14 99
IV.MIDA.HHZ. 2017-12-17T12:56:28.51 0.3 undecidable manual S 181 11.4774 111 0 78
IV.MIDA.HHZ. 2017-12-17T12:56:26.43 0.1 positive manual P 181 11.4774 111 0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:3.0 0.0124 0.52 AML other m 2017-12-17T12:56:29.33
IV.MIDA.HNN. ML:3.0 0.01125 0.54 AML other m 2017-12-17T12:56:29.34
IV.MIDA.HNE. ML:3.0 0.0115 0.42 AML other m 2017-12-17T12:56:29.40
IV.MIDA.HHE. ML:3.0 0.01235 0.42 AML other m 2017-12-17T12:56:29.40
IV.TRIV.HNN. ML:2.0 0.0006525000000000001 1.36 AML other m 2017-12-17T12:56:33.16
IV.TRIV.HHN. ML:2.0 0.0006965 1.36 AML other m 2017-12-17T12:56:33.16
IV.CERA.HHE. ML:2.5 0.00173 0.28 AML other m 2017-12-17T12:56:33.66
IV.CERA.HHN. ML:2.3 0.0012050000000000001 0.32 AML other m 2017-12-17T12:56:33.51
IV.CERA.HNE. ML:2.5 0.0016899999999999999 0.28 AML other m 2017-12-17T12:56:33.67
IV.LPEL.HHE. ML:2.7 0.001975 1.68 AML other m 2017-12-17T12:56:35.92
IV.LPEL.HHN. ML:2.7 0.0019249999999999998 0.32 AML other m 2017-12-17T12:56:35.77
IV.TRIV.HHE. ML:2.2 0.00085 0.94 AML other m 2017-12-17T12:56:36.49
IV.TRIV.HNE. ML:2.1 0.0008255 0.92 AML other m 2017-12-17T12:56:36.49
IV.CERA.HNN. ML:2.3 0.0011600000000000002 0.7 AML other m 2017-12-17T12:56:36.49
IV.BSSO.HHE. ML:1.9 0.00032 0.48 AML other m 2017-12-17T12:56:36.84
IV.BSSO.HNE. ML:2.3 0.0007475 0.48 AML other m 2017-12-17T12:56:36.84
IV.BSSO.HHN. ML:1.9 0.00034050000000000004 0.56 AML other m 2017-12-17T12:56:37.91
IV.BSSO.HNN. ML:2.4 0.0009195 0.52 AML other m 2017-12-17T12:56:37.90
IV.INTR.HHN. ML:2.9 0.0027 0.4 AML other m 2017-12-17T12:56:37.89
IV.INTR.HHE. ML:2.5 0.001018 1.46 AML other m 2017-12-17T12:56:38.01
IV.POFI.HHN. ML:2.2 0.0004995 1.26 AML other m 2017-12-17T12:56:38.25
IV.POFI.HNN. ML:2.2 0.0004945 1.26 AML other m 2017-12-17T12:56:38.25
IV.POFI.HHE. ML:2.2 0.000477 0.5 AML other m 2017-12-17T12:56:40.74
IV.POFI.HNE. ML:2.2 0.00045699999999999994 0.5 AML other m 2017-12-17T12:56:40.74
IV.VAGA.HNN. ML:2.5 0.00123 1.08 AML other m 2017-12-17T12:56:44.13
IV.VAGA.HHN. ML:2.5 0.0012549999999999998 1.08 AML other m 2017-12-17T12:56:44.13
IV.T0110.HHE. ML:2.7 0.0009855 0.52 AML other m 2017-12-17T12:56:44.57
IV.VAGA.HHE. ML:2.3 0.000745 0.36 AML other m 2017-12-17T12:56:45.18
IV.VAGA.HNE. ML:2.3 0.0007235000000000001 0.38 AML other m 2017-12-17T12:56:45.19
IV.SGG.HHE. ML:2.4 0.0008020000000000001 0.54 AML other m 2017-12-17T12:56:45.37
IV.SGG.HHN. ML:2.3 0.0007055 0.48 AML other m 2017-12-17T12:56:46.43
IV.T0110.HHN. ML:2.5 0.0005945 0.86 AML other m 2017-12-17T12:56:48.36
IV.FAGN.HHN. ML:2.7 0.000671 1.7 AML other m 2017-12-17T12:56:49.97
IV.MODR.HHN. ML:2.4 0.0003595 1.44 AML other m 2017-12-17T12:56:49.91
IV.MODR.HHE. ML:2.1 0.000195 0.42 AML other m 2017-12-17T12:56:50.49
IV.FAGN.HHE. ML:2.9 0.0011149999999999999 0.42 AML other m 2017-12-17T12:56:51.38
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