INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.3 on date 06-12-2017 and time 19:14:25 (Italy) in region 3 km SE Vastogirardi (IS)

A magnitude ML 2.3 earthquake occured in region: 3 km SE Vastogirardi (IS), on

  • 06-12-2017 18:14:25 (UTC)
  • 06-12-2017 19:14:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.75, 14.27 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 7 550 2613
San Pietro Avellana IS 8 503 3116
Capracotta IS 9 903 4019
Forlì del Sannio IS 10 675 4694
Pescolanciano IS 10 855 5549
Pietrabbondante IS 10 759 6308
Agnone IS 10 5139 11447
Castelverrino IS 11 115 11562
Rionero Sannitico IS 12 1118 12680
Miranda IS 12 1047 13727
Castel del Giudice IS 12 346 14073
Poggio Sannita IS 12 702 14775
Chiauci IS 13 233 15008
Ateleta AQ 13 1181 16189
Acquaviva d'Isernia IS 13 425 16614
Sessano del Molise IS 14 727 17341
Castel di Sangro AQ 14 6538 23879
Pescopennataro IS 14 285 24164
Civitanova del Sannio IS 14 945 25109
Sant'Angelo del Pesco IS 15 364 25473
Belmonte del Sannio IS 15 768 26241
Pesche IS 16 1661 27902
Bagnoli del Trigno IS 16 735 28637
Montenero Val Cocchiara IS 17 538 29175
Cerro al Volturno IS 18 1281 30456
Gamberale CH 18 320 30776
Rosello CH 18 237 31013
Carpinone IS 18 1157 32170
Isernia IS 18 21842 54012
Duronia CB 19 405 54417
Borrello CH 19 354 54771
Scontrone AQ 19 574 55345
Roccaraso AQ 19 1627 56972
Fornelli IS 19 1909 58881
Pizzoferrato CH 19 1130 60011
Schiavi di Abruzzo CH 19 860 60871
Pettoranello del Molise IS 20 460 61331
Alfedena AQ 20 864 62195
Quadri CH 20 815 63010
Roio del Sangro CH 20 103 63113
Castiglione Messer Marino CH 20 1790 64903

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 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 S of Montesilvano (53738 inhabitants)
87 Km N of Aversa (53047 inhabitants)
90 Km N of Acerra (59573 inhabitants)
92 Km N of Giugliano in Campania (122974 inhabitants)
92 Km N of Afragola (65057 inhabitants)
93 Km W of San Severo (53905 inhabitants)
94 Km N of Casoria (77642 inhabitants)
95 Km N of Marano di Napoli (59874 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Significant earthquakes since 1000 AD until 2006

Significant earthquakes since 1000 AD until 2006

This map shows the epicenters of the historical earthquakes catalogue CPT11 (Catalogo Parametrico dei Terremoti Italiani, 2011 version) with estimated magnitude ≥ 5.0 since 1000 AD until 2006. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Date and Time (UTC) Latitude Longitude Magnitude Depth (km) Published time (UTC) Author Location ID
Rev 100 2017-12-06
18:14:25
41.75 14.27 ML 2.3 11 2017-12-06
18:23:19
Sala Sismica INGV-Roma 52384141
Best location and best magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-06 18:14:25 ± 0.13
Latitude 41.75 ± 0.01
Longitude 14.27 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 52384141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 364
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 69
Type of magnitude ML
Reference to an origin 52384141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-06 18:23:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.TRI.HHZ. 2017-12-06T18:16:16.82 3.0 undecidable manual Sn 2.59 0
IV.NDIM.HNZ. 2017-12-06T18:16:10.69 3.0 undecidable manual Sn -4 0
IV.NDIM.HHZ. 2017-12-06T18:15:34.23 3.0 undecidable manual Pg 7.11 0
AC.VLO.HHZ. 2017-12-06T18:15:34.57 3.0 undecidable manual Pn 5.69 0
IV.MMUR.HNZ. 2017-12-06T18:15:28.63 3.0 undecidable manual Sg 4.08 0
IV.SRES.HHZ. 2017-12-06T18:14:55.39 3.0 positive manual P 3.75 0
IV.CESI.HHZ. 2017-12-06T18:14:57.48 3.0 positive manual Pg 2.95 0
IV.APRC.HHZ. 2017-12-06T18:14:45.06 3.0 negative manual P 0.51 0
IV.FDMO.HHZ. 2017-12-06T18:14:56.04 3.0 negative manual Pg 2.28 0
IV.MC2.EHZ. 2017-12-06T18:14:53.90 3.0 undecidable manual P 2.13 0
IV.MMO1.EHZ. 2017-12-06T18:14:52.64 3.0 negative manual P 1.78 0
IV.OFFI.HHZ. 2017-12-06T18:14:52.20 3.0 negative manual P 2.52 0
IV.VCEL.EHZ. 2017-12-06T18:14:51.55 3.0 undecidable manual S -0.82 0
IV.MRB1.HHZ. 2017-12-06T18:14:50.54 3.0 undecidable manual S -3.87 0
IV.FAGN.HHZ. 2017-12-06T18:14:39.48 3.0 undecidable manual P -1.57 0
IV.MSAG.HHZ. 2017-12-06T18:14:50.07 3.0 positive manual P 1.31 0
IV.SNAL.HHZ. 2017-12-06T18:14:49.55 3.0 positive manual P 2.76 0
IV.T0110.HHZ. 2017-12-06T18:14:37.48 3.0 negative manual P -1.3 0
IV.SGTA.HHZ. 2017-12-06T18:14:47.96 3.0 positive manual P 2.08 0
IV.SGRT.HHZ. 2017-12-06T18:14:47.70 3.0 positive manual P 0.65 0
IV.MELA.HHZ. 2017-12-06T18:14:37.81 3.0 positive manual P -0.99 0
IV.FIAM.HHZ. 2017-12-06T18:14:46.59 3.0 positive manual P 0.39 0
IV.CERT.HHZ. 2017-12-06T18:14:43.78 3.0 negative manual P -2.02 0
IV.MCI.EHZ. 2017-12-06T18:14:34.46 0.1 undecidable manual P 233 0.429 50 -0.25 94
IV.POFI.HHZ. 2017-12-06T18:14:34.16 0.1 undecidable manual P 266 0.4182 50 -0.36 92
IV.INTR.HHZ. 2017-12-06T18:14:33.72 0.1 negative manual P 314 0.3768 50 -0.1 98
IV.MODR.HHZ. 2017-12-06T18:14:39.91 3.0 positive manual P 0.26 0
IV.SGG.HHZ. 2017-12-06T18:14:33.40 0.1 undecidable manual P 167 0.3732 50 -0.35 93
IV.VAGA.HHZ. 2017-12-06T18:14:32.82 0.1 positive manual P 185 0.3363 50 -0.31 94
IV.LIK.EHZ.01 2017-12-06T18:14:38.56 3.0 undecidable manual P 0.5873 1.14 0
IV.LPEL.HHZ. 2017-12-06T18:14:32.61 0.1 positive manual P 348 0.3031 50 0.06 100
IV.BSSO.HHZ. 2017-12-06T18:14:33.21 0.1 undecidable manual P 130 0.3166 50 0.42 92
IV.PIGN.HHZ. 2017-12-06T18:14:37.12 3.0 negative manual P -0.22 0
IV.CERA.HHZ. 2017-12-06T18:14:31.16 0.1 undecidable manual P 231 0.2428 50 -0.37 95
IV.CIGN.HHZ. 2017-12-06T18:14:35.51 3.0 positive manual P -0.35 0
IV.TRIV.HHZ. 2017-12-06T18:14:31.34 0.1 undecidable manual P 86 0.2095 50 0.4 95
IV.MIDA.HHZ. 2017-12-06T18:14:29.41 0.1 positive manual P 186 0.1097 131 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:2.8 0.007885 1.34 AML other m 2017-12-06T18:14:32.96
IV.MIDA.HNN. ML:2.8 0.00736 1.34 AML other m 2017-12-06T18:14:32.96
IV.MIDA.HHE. ML:3 0.010135 0.4 AML other m 2017-12-06T18:14:33.14
IV.MIDA.HNE. ML:2.9 0.0097 0.38 AML other m 2017-12-06T18:14:33.15
IV.LPEL.HHN. ML:2.8 0.0029 0.16 AML other m 2017-12-06T18:14:38.79
IV.CERA.HHN. ML:2.2 0.000841 1.46 AML other m 2017-12-06T18:14:39.08
IV.CERA.HNN. ML:2.2 0.000813 1.48 AML other m 2017-12-06T18:14:39.08
IV.CERA.HNE. ML:2.2 0.0009895 1.32 AML other m 2017-12-06T18:14:39.07
IV.CERA.HHE. ML:2.3 0.0010045 1.32 AML other m 2017-12-06T18:14:39.07
IV.TRIV.HHN. ML:2.2 0.00111 1.24 AML other m 2017-12-06T18:14:39.28
IV.TRIV.HNN. ML:2.2 0.0010795 1.24 AML other m 2017-12-06T18:14:39.28
IV.LPEL.HHE. ML:2.8 0.00268 0.26 AML other m 2017-12-06T18:14:40.10
IV.INTR.HHE. ML:2.5 0.00106 0.14 AML other m 2017-12-06T18:14:40.32
IV.INTR.HNE. ML:0 1.025E-6 0.14 AML other m 2017-12-06T18:14:40.32
IV.TRIV.HNE. ML:2.2 0.00105 0.34 AML other m 2017-12-06T18:14:40.76
IV.TRIV.HHE. ML:2.2 0.0010715 0.34 AML other m 2017-12-06T18:14:40.76
IV.BSSO.HNN. ML:1.9 0.00034 0.58 AML other m 2017-12-06T18:14:40.61
IV.SGG.HHE. ML:2.2 0.0004685 1.26 AML other m 2017-12-06T18:14:41.01
IV.VAGA.HNE. ML:2.3 0.0007345 1.2 AML other m 2017-12-06T18:14:41.84
IV.VAGA.HHE. ML:2.3 0.000769 1.2 AML other m 2017-12-06T18:14:41.24
IV.POFI.HHN. ML:2.3 0.0005705 0.6 AML other m 2017-12-06T18:14:41.08
IV.POFI.HHE. ML:2.3 0.0006245 0.58 AML other m 2017-12-06T18:14:41.39
IV.POFI.HNE. ML:2.3 0.000611 0.58 AML other m 2017-12-06T18:14:41.39
IV.POFI.HNN. ML:2.2 0.000536 1.3 AML other m 2017-12-06T18:14:41.09
IV.VAGA.HHN. ML:2.6 0.0016 0.36 AML other m 2017-12-06T18:14:41.65
IV.VAGA.HNN. ML:2.6 0.001535 0.36 AML other m 2017-12-06T18:14:41.66
IV.INTR.HHN. ML:2.7 0.00152 1.04 AML other m 2017-12-06T18:14:42.00
IV.INTR.HNN. ML:0 1.11E-6 1.04 AML other m 2017-12-06T18:14:42.00
IV.MCI.EHE. ML:2.6 0.00121 0.58 AML other m 2017-12-06T18:14:42.11
IV.BSSO.HHE. ML:1.6 0.000172 0.52 AML other m 2017-12-06T18:14:43.75
IV.BSSO.HNE. ML:2 0.000452 0.54 AML other m 2017-12-06T18:14:43.76
IV.MCI.EHN. ML:2.6 0.0010375 0.2 AML other m 2017-12-06T18:14:44.53
IV.BSSO.HHN. ML:1.5 0.00014 0.36 AML other m 2017-12-06T18:14:46.31
IV.MELA.HHN. ML:2.5 0.000526 1.8 AML other m 2017-12-06T18:14:47.93
IV.SGG.HHN. ML:2.2 0.0005875 0.42 AML other m 2017-12-06T18:14:49.35
IV.LIK.EHE.01 ML:2.5 0.0006035 1.52 AML other m 2017-12-06T18:14:49.18
IV.MELA.HHE. ML:2.2 0.000252 1.04 AML other m 2017-12-06T18:14:50.16
IV.T0110.HHE. ML:2.5 0.00055 0.2 AML other m 2017-12-06T18:14:50.77
IV.PIGN.HNN. ML:2.3 0.0003605 0.74 AML other m 2017-12-06T18:14:50.60
IV.PIGN.HHN. ML:2.2 0.0003095 0.52 AML other m 2017-12-06T18:14:51.61
IV.LIK.EHN.01 ML:2.6 0.0007005 0.44 AML other m 2017-12-06T18:14:52.84
IV.MODR.HHN. ML:2.4 0.000364 0.68 AML other m 2017-12-06T18:14:52.81
IV.MODR.HHE. ML:2.1 0.0002115 0.28 AML other m 2017-12-06T18:14:53.39
IV.T0110.HHN. ML:2.4 0.000478 0.44 AML other m 2017-12-06T18:14:53.77
IV.FAGN.HHN. ML:2.5 0.0004555 0.54 AML other m 2017-12-06T18:14:54.44
IV.FAGN.HHE. ML:2.6 0.000542 1.56 AML other m 2017-12-06T18:14:55.17
IV.VCEL.EHE. ML:2.4 0.0003745 0.42 AML other m 2017-12-06T18:14:55.92
IV.VCEL.EHN. ML:2.3 0.0002865 0.64 AML other m 2017-12-06T18:15:00.05
IV.CERT.HHE. ML:2.1 0.0001002 0.4 AML other m 2017-12-06T18:15:01.74
IV.APRC.HHE. ML:2.2 0.0001615 0.22 AML other m 2017-12-06T18:15:01.99
IV.MRB1.HHN. ML:2.5 0.000337 1.42 AML other m 2017-12-06T18:15:02.79
IV.APRC.HHN. ML:2.5 0.000291 0.28 AML other m 2017-12-06T18:15:02.96
IV.SGRT.HHN. ML:2.4 0.0001655 0.38 AML other m 2017-12-06T18:15:05.09
IV.SGTA.HHN. ML:2 8.72E-5 0.54 AML other m 2017-12-06T18:15:05.56
IV.SGRT.HHE. ML:2.3 0.0001445 0.58 AML other m 2017-12-06T18:15:06.73
IV.SGTA.HHE. ML:2.3 0.0001555 0.76 AML other m 2017-12-06T18:15:06.55
IV.SNAL.HHE. ML:2.2 0.0001245 0.76 AML other m 2017-12-06T18:15:07.45
IV.SNAL.HHN. ML:2.4 0.0001975 1.26 AML other m 2017-12-06T18:15:08.00
IV.SNAL.HNE. ML:2.3 0.000157 0.92 AML other m 2017-12-06T18:15:09.47
IV.SNAL.HNN. ML:2.4 0.000194 0.8 AML other m 2017-12-06T18:15:09.00
IV.CERT.HHN. ML:1.9 6.88E-5 0.32 AML other m 2017-12-06T18:15:09.60
IV.MSAG.HHN. ML:2.3 0.00013 0.36 AML other m 2017-12-06T18:15:11.11
IV.MSAG.HNN. ML:2.7 0.0003135 0.36 AML other m 2017-12-06T18:15:11.11
IV.MSAG.HHE. ML:2 6.53E-5 0.84 AML other m 2017-12-06T18:15:13.80
IV.MSAG.HNE. ML:2.4 0.0001645 0.88 AML other m 2017-12-06T18:15:13.81
IV.OFFI.HHE. ML:2.7 0.0002805 0.38 AML other m 2017-12-06T18:15:14.27
IV.SRES.HHN. ML:2.4 0.0001175 1.62 AML other m 2017-12-06T18:15:17.91
IV.APRC.HNN. ML:4 0.0085 1.58 AML other m 2017-12-06T18:15:17.92
IV.APRC.HNE. ML:4.7 0.0415 0.4 AML other m 2017-12-06T18:15:18.14
IV.SRES.HHE. ML:2.1 5.565E-5 0.86 AML other m 2017-12-06T18:15:18.53
IV.FDMO.HHN. ML:2.2 6.425E-5 0.78 AML other m 2017-12-06T18:15:24.84
IV.FDMO.HHE. ML:2.1 4.275E-5 0.76 AML other m 2017-12-06T18:15:27.65
IV.CESI.HHE. ML:2.1 4.38E-5 0.64 AML other m 2017-12-06T18:15:29.50
IV.OFFI.HHN. ML:2.8 0.000393 1.36 AML other m 2017-12-06T18:15:33.83
IV.CESI.HHN. ML:2.1 5.155E-5 1.56 AML other m 2017-12-06T18:15:33.82
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://cnt.rm.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download