Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 09-01-2018 and time 18:29:24 (Italy) in region 4 km S Vastogirardi (IS)

A magnitude ML 2.1 earthquake occured in region: 4 km S Vastogirardi (IS), on

  • 09-01-2018 17:29:24 (UTC)
  • 09-01-2018 18:29:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7370, 14.2520 at 18 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
Vastogirardi IS 4 704 704
Carovilli IS 4 1359 2063
Roccasicura IS 5 550 2613
Forlì del Sannio IS 7 675 3288
San Pietro Avellana IS 8 503 3791
Pescolanciano IS 10 855 4646
Rionero Sannitico IS 10 1118 5764
Miranda IS 10 1047 6811
Capracotta IS 11 903 7714
Acquaviva d'Isernia IS 11 425 8139
Pietrabbondante IS 11 759 8898
Agnone IS 12 5139 14037
Castelverrino IS 13 115 14152
Sessano del Molise IS 13 727 14879
Chiauci IS 13 233 15112
Castel di Sangro AQ 13 6538 21650
Castel del Giudice IS 13 346 21996
Ateleta AQ 14 1181 23177
Pesche IS 14 1661 24838
Poggio Sannita IS 14 702 25540
Civitanova del Sannio IS 15 945 26485
Cerro al Volturno IS 15 1281 27766
Montenero Val Cocchiara IS 16 538 28304
Pescopennataro IS 16 285 28589
Sant'Angelo del Pesco IS 16 364 28953
Isernia IS 17 21842 50795
Carpinone IS 17 1157 51952
Fornelli IS 17 1909 53861
Belmonte del Sannio IS 17 768 54629
Bagnoli del Trigno IS 18 735 55364
Scontrone AQ 18 574 55938
Alfedena AQ 18 864 56802
Castel San Vincenzo IS 18 516 57318
Pettoranello del Molise IS 18 460 57778
Rocchetta a Volturno IS 19 1113 58891
Roccaraso AQ 19 1627 60518
Gamberale CH 19 320 60838
Duronia CB 19 405 61243
Colli a Volturno IS 20 1349 62592
Pizzone IS 20 329 62921

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km S of Chieti (51815 inhabitants)
74 Km N of Caserta (76326 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
81 Km S of Pescara (121014 inhabitants)
85 Km N of Aversa (53047 inhabitants)
87 Km S of Montesilvano (53738 inhabitants)
88 Km N of Acerra (59573 inhabitants)
90 Km N of Giugliano in Campania (122974 inhabitants)
91 Km N of Afragola (65057 inhabitants)
92 Km N of Casoria (77642 inhabitants)
93 Km N of Marano di Napoli (59874 inhabitants)
94 Km W of San Severo (53905 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
100 Km N of Napoli (974074 inhabitants)
100 Km N of Pozzuoli (81661 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 2.1 2018-01-09
17:29:24		 41.7368 14.2522 18 2019-04-24
14:49:15		 Bollettino Sismico Italiano INGV 53388901
Reviewed
Rev100 		ML 2.1 2018-01-09
17:29:24		 41.7215 14.2623 20 2018-01-09
17:50:34		 Sala Sismica INGV-Roma 53104591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-09 17:29:24 ± 0.1
Latitude 41.7368 ± 0.0054
Longitude 14.2522 ± 0.0060
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53388901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 53388901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-19 11:43:49

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 53104591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-09 17:50:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2018-01-09T17:29:42.83 0.3 undecidable manual S 260 55.9995 99 0.41 64
IV.POFI.HHZ. 2018-01-09T17:29:39.82 0.6 undecidable manual S 267 44.7219 102 0.35 44
IV.INTR.HHZ. 2018-01-09T17:29:38.80 0.3 undecidable manual S 317 41.8248 103 0.09 70
IV.LPEL.HHZ. 2018-01-09T17:29:36.93 0.6 undecidable manual S 351 34.8429 107 0.02 48
IV.CERA.HHZ. 2018-01-09T17:29:35.21 0.6 undecidable manual S 232 24.753 116 0.81 39
IV.LRP.EHZ. 2018-01-09T17:29:34.85 0.1 undecidable manual P 260 55.9995 99 -0.14 89
IV.TRIV.HHZ. 2018-01-09T17:29:34.88 0.3 undecidable manual S 82 24.8529 116 0.45 66
IV.POFI.HHZ. 2018-01-09T17:29:33.14 0.1 positive manual P 267 44.7219 102 -0.15 91
IV.MCI.EHE. 2018-01-09T17:29:33.49 0.1 undecidable manual P 233 45.5211 102 0.09 93
IV.BSSO.HHE. 2018-01-09T17:29:32.06 0.3 undecidable manual P 127 35.3424 107 0.17 69
IV.SGG.HHN. 2018-01-09T17:29:32.46 0.3 undecidable manual P 165 40.2264 104 -0.15 69
IV.INTR.HHZ. 2018-01-09T17:29:32.79 0.1 undecidable manual P 317 41.8248 103 -0.07 93
IV.RNI2.HNZ. 2018-01-09T17:29:31.38 0.3 undecidable manual S 246 9.0798 149 0.14 73
IV.LPEL.HHZ. 2018-01-09T17:29:31.57 0.1 undecidable manual P 351 34.8429 107 -0.24 91
IV.CERA.HHZ. 2018-01-09T17:29:30.18 0.1 positive manual P 232 24.753 116 -0.18 94
IV.MIDA.HHZ. 2018-01-09T17:29:30.96 0.3 undecidable manual S 179 10.4784 145 -0.49 69
IV.TRIV.HHZ. 2018-01-09T17:29:30.38 0.1 undecidable manual P 82 24.8529 116 0 97
IV.RNI2.HNZ. 2018-01-09T17:29:28.55 0.1 undecidable manual P 246 9.0798 149 0.01 100
IV.MIDA.HHZ. 2018-01-09T17:29:28.39 0.1 positive manual P 179 10.4784 145 -0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHE. ML:2.6 0.003565407 0.1408 AML other m 2018-01-09T17:29:31.59
IV.RNI2.HNE. ML:2.6 0.003341538 0.1408 AML other m 2018-01-09T17:29:31.59
IV.MIDA.HNE. ML:2.5 0.0027 1.34 AML other m 2018-01-09T17:29:31.13
IV.MIDA.HHE. ML:2.5 0.00264 1.36 AML other m 2018-01-09T17:29:31.12
IV.RNI2.HHN. ML:2.8 0.005415 0.32 AML other m 2018-01-09T17:29:31.64
IV.MIDA.HHN. ML:2.5 0.00246 0.28 AML other m 2018-01-09T17:29:31.94
IV.MIDA.HNN. ML:2.5 0.0024649999999999997 1.58 AML other m 2018-01-09T17:29:31.94
IV.RNI2.HNN. ML:2.8 0.0050999999999999995 0.68 AML other m 2018-01-09T17:29:32.64
IV.CERA.HNE. ML:1.7 0.0002655 0.26 AML other m 2018-01-09T17:29:35.49
IV.LPEL.HHN. ML:2.3 0.0008349999999999999 0.16 AML other m 2018-01-09T17:29:37.72
IV.TRIV.HHE. ML:1.7 0.00027350000000000003 1.4 AML other m 2018-01-09T17:29:37.24
IV.CERA.HHN. ML:1.7 0.00027699999999999996 1.44 AML other m 2018-01-09T17:29:38.01
IV.CERA.HNN. ML:1.7 0.000272 1.44 AML other m 2018-01-09T17:29:38.01
IV.LPEL.HHE. ML:2.3 0.000719 0.96 AML other m 2018-01-09T17:29:38.02
IV.CERA.HHE. ML:1.7 0.0002655 0.62 AML other m 2018-01-09T17:29:39.00
IV.TRIV.HHN. ML:1.8 0.0003005 0.6 AML other m 2018-01-09T17:29:39.18
IV.POFI.HNE. ML:1.8 0.0001975 0.66 AML other m 2018-01-09T17:29:40.26
IV.POFI.HHE. ML:1.9 0.0002065 0.76 AML other m 2018-01-09T17:29:40.59
IV.POFI.HNN. ML:1.8 0.00016599999999999997 1.3 AML other m 2018-01-09T17:29:40.00
IV.POFI.HHN. ML:1.8 0.00017999999999999998 0.66 AML other m 2018-01-09T17:29:40.99
IV.LRP.EHN. ML:2.3 0.0004535 0.28 AML other m 2018-01-09T17:29:43.16
IV.LRP.EHE. ML:2.0 0.000191 0.54 AML other m 2018-01-09T17:29:43.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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