INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 1.2 on date 07-12-2017 and time 08:57:59 (Italy) in region 4 km SE Vastogirardi (IS)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Vastogirardi (IS), on

  • 07-12-2017 07:57:59 (UTC)
  • 07-12-2017 08:57:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.75, 14.28 at 16 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.

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 4 704 704
Carovilli IS 4 1359 2063
Roccasicura IS 7 550 2613
Pietrabbondante IS 9 759 3372
Pescolanciano IS 9 855 4227
San Pietro Avellana IS 9 503 4730
Agnone IS 10 5139 9869
Capracotta IS 10 903 10772
Castelverrino IS 10 115 10887
Forlì del Sannio IS 10 675 11562
Poggio Sannita IS 11 702 12264
Chiauci IS 12 233 12497
Miranda IS 12 1047 13544
Rionero Sannitico IS 13 1118 14662
Castel del Giudice IS 13 346 15008
Sessano del Molise IS 13 727 15735
Civitanova del Sannio IS 13 945 16680
Acquaviva d'Isernia IS 14 425 17105
Ateleta AQ 14 1181 18286
Belmonte del Sannio IS 15 768 19054
Pescopennataro IS 15 285 19339
Castel di Sangro AQ 15 6538 25877
Sant'Angelo del Pesco IS 15 364 26241
Pesche IS 15 1661 27902
Bagnoli del Trigno IS 15 735 28637
Carpinone IS 18 1157 29794
Duronia CB 18 405 30199
Rosello CH 18 237 30436
Cerro al Volturno IS 18 1281 31717
Schiavi di Abruzzo CH 18 860 32577
Montenero Val Cocchiara IS 18 538 33115
Isernia IS 18 21842 54957
Gamberale CH 19 320 55277
Salcito CB 19 683 55960
Borrello CH 19 354 56314
Castiglione Messer Marino CH 19 1790 58104
Pettoranello del Molise IS 19 460 58564
Fornelli IS 20 1909 60473
Roio del Sangro CH 20 103 60576
Quadri CH 20 815 61391
Pizzoferrato CH 20 1130 62521

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)
80 Km NW of Benevento (60091 inhabitants)
86 Km S of Montesilvano (53738 inhabitants)
86 Km N of Aversa (53047 inhabitants)
90 Km N of Acerra (59573 inhabitants)
91 Km N of Giugliano in Campania (122974 inhabitants)
91 Km W of San Severo (53905 inhabitants)
92 Km N of Afragola (65057 inhabitants)
94 Km N of Casoria (77642 inhabitants)
95 Km N of Marano di Napoli (59874 inhabitants)
99 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
Rev 1000 ML 1.2 2017-12-07
07:57:59
41.75 14.28 16 2018-09-04
09:10:38
Bollettino Sismico Italiano INGV 52673091
Rev 100 ML 1.1 2017-12-07
07:58:00
41.72 14.26 12 2017-12-07
08:06:07
Sala Sismica INGV-Roma 52400531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-07 07:57:59 ± 0.19
Latitude 41.75 ± 0.01
Longitude 14.28 ± 0.01
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52673091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1051
Semi-minor axis of confidence ellipse (meter) 679
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.42718
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 52400531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-07 08:06:07

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 52673091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-18 17:34:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.POFI.HNE. 2017-12-07T07:58:14.41 0.6 undecidable manual S 266 0.4272 98 -0.21 46
IV.INTR.HHE. 2017-12-07T07:58:13.64 0.3 undecidable manual S 313 0.3858 99 0.26 70
IV.VAGA.HHZ. 2017-12-07T07:58:12.15 0.6 undecidable manual S 186 0.3354 101 0.23 47
IV.CERA.HHZ. 2017-12-07T07:58:09.50 0.6 undecidable manual S 233 0.2491 107 0.06 50
IV.POFI.HNE. 2017-12-07T07:58:08.23 0.3 undecidable manual P 266 0.4272 98 0.05 73
IV.INTR.HHE. 2017-12-07T07:58:07.71 0.3 undecidable manual P 313 0.3858 99 0.24 71
IV.SGG.HHN. 2017-12-07T07:58:07.07 1.0 undecidable manual P 169 0.3687 100 -0.12 24
IV.BSSO.HHE. 2017-12-07T07:58:07.53 3.0 undecidable manual P 0.3076 1.37 0
IV.VAGA.HHZ. 2017-12-07T07:58:06.70 0.1 positive manual P 186 0.3354 101 0.07 98
IV.LPEL.HHE. 2017-12-07T07:58:05.44 0.3 undecidable manual P 346 0.3076 103 -0.72 62
IV.CERA.HHZ. 2017-12-07T07:58:05.08 0.1 undecidable manual P 233 0.2491 107 -0.12 98
IV.TRIV.HHN. 2017-12-07T07:58:05.11 1.0 undecidable manual P 85 0.1996 113 0.71 21
IV.MIDA.HHZ. 2017-12-07T07:58:05.47 0.3 undecidable manual S 192 0.1088 135 -0.35 73
IV.MIDA.HHZ. 2017-12-07T07:58:03.29 0.1 positive manual P 192 0.1088 135 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:1.4 0.00023493435 0.26 AML other m 2017-12-07T07:58:06.79
IV.MIDA.HHE. ML:1.5 0.00027840545 0.2 AML other m 2017-12-07T07:58:06.89
IV.MIDA.HNE. ML:1.5 0.00026804045 1.78 AML other m 2017-12-07T07:58:06.89
IV.VCEL.EHE. ML:0 0.000101622225 0.1 AML other m 2017-12-07T07:58:09.85
IV.CERA.HHN. ML:1 4.9329275E-5 0.2 AML other m 2017-12-07T07:58:11.21
IV.CERA.HHE. ML:1.1 6.2890845E-5 0.72 AML other m 2017-12-07T07:58:11.54
IV.LIK.EHE.01 ML:0 0.00016636155 0.18 AML other m 2017-12-07T07:58:13.00
IV.LIK.EHN.01 ML:0 0.00012985495 1.8 AML other m 2017-12-07T07:58:13.95
IV.CERA.HNE. ML:1.2 6.831029E-5 0.62 AML other m 2017-12-07T07:58:14.18
IV.VAGA.HHE. ML:1 3.6642455E-5 0.14 AML other m 2017-12-07T07:58:14.62
IV.VAGA.HNE. ML:0.9 3.1949875E-5 0.14 AML other m 2017-12-07T07:58:14.62
IV.VAGA.HHN. ML:1.3 6.58746E-5 0.26 AML other m 2017-12-07T07:58:15.50
IV.VAGA.HNN. ML:0 6.505154E-5 0.38 AML other m 2017-12-07T07:58:15.50
IV.MIDA.HNN. ML:1.6 0.00036788743 0.26 AML other m 2017-12-07T07:58:25.58
IV.CERA.HNN. ML:1.1 5.6023485E-5 1.2 AML other m 2017-12-07T07:58:26.73
IV.BRSN.HNE. ML:0 0.00057423865 0.52 AML other m 2017-12-07T07:58:45.74
IV.BRSN.EHE. ML:0 0.000434253 0.32 AML other m 2017-12-07T07:58:49.62
IV.BRSN.HNN. ML:0 0.00046020225 0.26 AML other m 2017-12-07T07:58:50.56
AC.VLO.HHE. ML:0 0.0002378847 0.16 AML other m 2017-12-07T07:59:07.11
IV.BRSN.EHN. ML:0 0.00053718595 0.32 AML other m 2017-12-07T07:59:14.23
AC.VLO.HHN. ML:0 0.000248639 0.06 AML other m 2017-12-07T07:59:59.40
IV.QLNO.HHE. ML:0 7.131547E-5 1.42 AML other m 2017-12-07T08:00:03.73
IV.QLNO.HHN. ML:0 9.6221445E-5 1.56 AML other m 2017-12-07T08:00:13.89
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download