Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 14-10-2021 and time 11:01:44 (Italy) in region 3 km NE Vastogirardi (IS)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Vastogirardi (IS), on

  • 14-10-2021 09:01:44 (UTC)
  • 14-10-2021 11:01:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7890, 14.2860 at 19 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 3 704 704
Capracotta IS 5 903 1607
Agnone IS 7 5139 6746
Carovilli IS 8 1359 8105
San Pietro Avellana IS 8 503 8608
Castel del Giudice IS 9 346 8954
Castelverrino IS 10 115 9069
Pietrabbondante IS 10 759 9828
Pescopennataro IS 10 285 10113
Ateleta AQ 10 1181 11294
Poggio Sannita IS 11 702 11996
Sant'Angelo del Pesco IS 11 364 12360
Roccasicura IS 11 550 12910
Belmonte del Sannio IS 12 768 13678
Pescolanciano IS 13 855 14533
Forlì del Sannio IS 14 675 15208
Rosello CH 14 237 15445
Gamberale CH 15 320 15765
Castel di Sangro AQ 15 6538 22303
Rionero Sannitico IS 15 1118 23421
Chiauci IS 15 233 23654
Borrello CH 15 354 24008
Quadri CH 15 815 24823
Pizzoferrato CH 15 1130 25953
Roio del Sangro CH 16 103 26056
Miranda IS 16 1047 27103
Castiglione Messer Marino CH 16 1790 28893
Civitanova del Sannio IS 17 945 29838
Schiavi di Abruzzo CH 17 860 30698
Fallo CH 17 139 30837
Sessano del Molise IS 17 727 31564
Bagnoli del Trigno IS 17 735 32299
Acquaviva d'Isernia IS 17 425 32724
Civitaluparella CH 18 351 33075
Roccaraso AQ 18 1627 34702
Villa Santa Maria CH 19 1346 36048
Salcito CB 19 683 36731
Pesche IS 20 1661 38392
Montelapiano CH 20 82 38474
Montenero Val Cocchiara IS 20 538 39012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km S of Chieti (51815 inhabitants)
75 Km S of Pescara (121014 inhabitants)
79 Km N of Caserta (76326 inhabitants)
82 Km S of Montesilvano (53738 inhabitants)
84 Km NW of Benevento (60091 inhabitants)
91 Km N of Aversa (53047 inhabitants)
92 Km W of San Severo (53905 inhabitants)
94 Km N of Acerra (59573 inhabitants)
96 Km N of Giugliano in Campania (122974 inhabitants)
96 Km N of Afragola (65057 inhabitants)
96 Km SE of L'Aquila (69753 inhabitants)
98 Km N of Casoria (77642 inhabitants)
99 Km N of Marano di Napoli (59874 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 1.7 2021-10-14
09:01:44		 41.7892 14.2858 19 2022-03-30
13:04:14		 Bollettino Sismico Italiano INGV 97061111
Reviewed
Rev100 		ML 1.4 2021-10-14
09:01:45		 41.7983 14.2268 10 2021-10-14
09:14:40		 Sala Sismica INGV-Roma 96538571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-14 09:01:44 ± 0.16
Latitude 41.7892 ± 0.0054
Longitude 14.2858 ± 0.0096
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97061111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 702
Semi-minor axis of confidence ellipse (meter) 392
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58006
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 96538571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-14 09:14:40

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 97061111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-04 14:21:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2021-10-14T09:04:47.10 3.0 undecidable manual S 9.999 0
IV.RIBO.EHZ.01 2021-10-14T09:04:43.30 3.0 undecidable manual S 9.999 0
AC.KBN.HHZ. 2021-10-14T09:03:15.73 3.0 undecidable manual P 1.502 0
GU.MGRO.HHZ. 2021-10-14T09:03:07.88 3.0 negative manual P 4.61 0
IV.PLAC.HNZ. 2021-10-14T09:03:05.95 3.0 undecidable manual Sn 4.89 0
IV.CADC.HNZ. 2021-10-14T09:03:04.25 3.0 undecidable manual P 7.88 0
IV.IMOL.HNZ. 2021-10-14T09:03:02.84 3.0 undecidable manual Sn -2.1 0
IV.JOPP.HNZ. 2021-10-14T09:02:50.90 3.0 undecidable manual Sn -0.12 0
IV.SPS2.HHZ. 2021-10-14T09:02:46.00 3.0 undecidable manual Sn -0.75 0
IV.CPGN.EHZ. 2021-10-14T09:02:44.76 3.0 undecidable manual Sn -4.55 0
MN.PDG.HHZ. 2021-10-14T09:02:42.89 3.0 positive manual P -0.16 0
IV.PP3.EHZ. 2021-10-14T09:02:42.19 3.0 undecidable manual Sg 4.02 0
IV.MURB.HNZ. 2021-10-14T09:02:38.81 3.0 undecidable manual Sg 2.9 0
IV.ATFO.HHZ. 2021-10-14T09:02:35.10 3.0 undecidable manual Sn -3.1 0
IV.CAVE.HHZ. 2021-10-14T09:02:29.36 3.0 undecidable manual P -9.99 0
IV.CDRU.HHZ. 2021-10-14T09:02:21.17 3.0 undecidable manual Sg 3.65 0
IX.RSF3.HHZ.02 2021-10-14T09:02:20.93 3.0 undecidable manual Sg 6.65 0
IV.RIBO.EHZ.01 2021-10-14T09:02:20.41 3.0 undecidable manual P -7.09 0
IV.SERS.HHZ. 2021-10-14T09:02:19.22 3.0 undecidable manual P -9.99 0
IV.BRSN.HNZ. 2021-10-14T09:02:18.43 3.0 undecidable manual P -9.99 0
IV.PZUN.HHZ. 2021-10-14T09:02:18.95 3.0 undecidable manual Sn -6.86 0
IT.PLTA.HNZ. 2021-10-14T09:02:18.67 3.0 undecidable manual Sg 2.77 0
IV.CAFE.HHZ. 2021-10-14T09:02:15.63 3.0 undecidable manual Sg 0.16 0
IV.MTMR.EHZ. 2021-10-14T09:02:12.00 3.0 undecidable manual S -5.88 0
IV.GRIS.EHZ. 2021-10-14T09:02:11.29 3.0 undecidable manual P -9.99 0
IV.VITU.HHZ. 2021-10-14T09:02:05.76 3.0 undecidable manual Sg -0.03 0
IT.AVL.HNZ. 2021-10-14T09:02:04.03 3.0 undecidable manual Sg -3.45 0
IV.VVLD.HHE. 2021-10-14T09:02:01.94 0.6 undecidable manual S 279 55.5 100 0.08 46
IV.POFI.HNE. 2021-10-14T09:02:00.16 0.6 undecidable manual S 261 48.1185 102 0.22 46
IV.INTR.HHZ. 2021-10-14T09:01:58.10 1.0 undecidable manual S 308 40.0266 106 0.27 23
IT.OPI.HGE. 2021-10-14T09:01:57.10 1.0 undecidable manual S 268 37.7289 107 -0.14 24
IV.T0110.HHZ. 2021-10-14T09:01:56.02 0.6 undecidable manual P 319 64.3911 99 0.18 45
IV.IFOR.HHZ. 2021-10-14T09:01:55.88 3.0 undecidable manual Sn 2.61 0
IV.LPEL.HHZ. 2021-10-14T09:01:55.00 0.6 undecidable manual S 344 29.8479 113 -0.25 47
IV.POFI.HNE. 2021-10-14T09:01:53.22 0.3 undecidable manual P 261 48.1185 102 -0.15 70
IV.VVLD.HHE. 2021-10-14T09:01:53.63 0.3 undecidable manual P 279 55.5 100 -0.85 55
IV.RNI2.HHZ. 2021-10-14T09:01:52.31 0.6 undecidable manual S 229 14.5743 136 0.46 46
IV.INTR.HHZ. 2021-10-14T09:01:52.19 0.3 undecidable manual P 308 40.0266 106 0.04 72
IV.VAGA.HNE. 2021-10-14T09:01:52.44 1.0 undecidable manual P 186 41.625 105 0.04 24
IV.BSSO.HHE. 2021-10-14T09:01:52.17 0.6 undecidable manual P 136 37.1295 107 0.45 45
IV.MIDA.HHZ. 2021-10-14T09:01:51.80 0.3 undecidable manual S 189 16.5723 132 -0.42 70
IV.CERA.HNN. 2021-10-14T09:01:51.21 1.0 undecidable manual P 226 30.6471 112 0.42 23
IT.OPI.HGE. 2021-10-14T09:01:51.77 1.0 undecidable manual P 268 37.7289 107 -0.05 24
IV.TST01.HHZ. 2021-10-14T09:01:51.30 1.0 undecidable manual S 118 9.4794 149 0.29 24
IV.LPEL.HHZ. 2021-10-14T09:01:50.86 0.3 undecidable manual P 344 29.8479 113 0.19 71
IV.MIDA.HHZ. 2021-10-14T09:01:48.81 0.1 positive manual P 189 16.5723 132 -0.11 99
IV.RNI2.HHZ. 2021-10-14T09:01:48.78 0.1 undecidable manual P 229 14.5743 136 0.08 100
IV.TST01.HHZ. 2021-10-14T09:01:48.25 0.6 undecidable manual P 118 9.4794 149 0.03 51
IV.MTMR.EHZ. 2021-10-14T09:01:48.86 3.0 undecidable manual P -9.99 0
IV.VCRE.HHZ. 2021-10-14T09:01:45.42 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TST01.HHN. ML:1.5 0.00022799999999999999 0.8 AML other m 2021-10-14T09:01:52.43
IV.MIDA.HHN. ML:1.9 0.0004904999999999999 1.78 AML other m 2021-10-14T09:01:52.95
IV.TST01.HHE. ML:1.4 0.0001795 0.86 AML other m 2021-10-14T09:01:52.63
IV.RNI2.HHN. ML:1.6 0.00029042025000000003 0.1344 AML other m 2021-10-14T09:01:53.08
IV.RNI2.HHE. ML:1.3 0.00013376225 1.184 AML other m 2021-10-14T09:01:53.25
IV.MIDA.HHE. ML:1.7 0.0003125 0.5 AML other m 2021-10-14T09:01:53.28
IV.LPEL.HNE. ML:1.8 0.00025207294999999994 0.0896 AML other m 2021-10-14T09:01:56.07
IV.LPEL.HHE. ML:1.8 0.00027862855 0.096 AML other m 2021-10-14T09:01:56.03
IV.LPEL.HHN. ML:1.9 0.0003105 0.12 AML other m 2021-10-14T09:01:56.22
IV.LPEL.HNN. ML:1.8 0.00029746045 0.128 AML other m 2021-10-14T09:01:56.22
IV.INTR.HHN. ML:1.5 0.000093170375 0.1984 AML other m 2021-10-14T09:01:58.76
IV.INTR.HHE. ML:1.6 0.00011278150000000001 0.544 AML other m 2021-10-14T09:01:58.70
IV.INTR.HNN. ML:1.8 0.00021311765 0.7968 AML other m 2021-10-14T09:02:15.56
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