Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-02-2020 and time 19:06:31 (Italy) in region 4 km NW Vastogirardi (IS)

A magnitude ML 1.4 earthquake occured in region: 4 km NW Vastogirardi (IS), on

  • 03-02-2020 18:06:31 (UTC)
  • 03-02-2020 19:06:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8020, 14.2330 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 4 704 704
San Pietro Avellana IS 4 503 1207
Capracotta IS 5 903 2110
Castel del Giudice IS 6 346 2456
Ateleta AQ 7 1181 3637
Sant'Angelo del Pesco IS 9 364 4001
Pescopennataro IS 10 285 4286
Castel di Sangro AQ 10 6538 10824
Carovilli IS 11 1359 12183
Agnone IS 11 5139 17322
Roccasicura IS 11 550 17872
Gamberale CH 12 320 18192
Forlì del Sannio IS 13 675 18867
Rionero Sannitico IS 13 1118 19985
Pizzoferrato CH 14 1130 21115
Roccaraso AQ 14 1627 22742
Castelverrino IS 14 115 22857
Pietrabbondante IS 14 759 23616
Borrello CH 15 354 23970
Quadri CH 15 815 24785
Rosello CH 15 237 25022
Poggio Sannita IS 15 702 25724
Rivisondoli AQ 16 700 26424
Acquaviva d'Isernia IS 16 425 26849
Pescolanciano IS 16 855 27704
Belmonte del Sannio IS 16 768 28472
Montenero Val Cocchiara IS 17 538 29010
Roio del Sangro CH 17 103 29113
Pescocostanzo AQ 17 1128 30241
Civitaluparella CH 17 351 30592
Fallo CH 17 139 30731
Scontrone AQ 17 574 31305
Miranda IS 18 1047 32352
Alfedena AQ 18 864 33216
Chiauci IS 19 233 33449
Villa Santa Maria CH 19 1346 34795
Cerro al Volturno IS 20 1281 36076
Montenerodomo CH 20 690 36766
Castiglione Messer Marino CH 20 1790 38556
Sessano del Molise IS 20 727 39283
Montelapiano CH 20 82 39365

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km S of Chieti (51815 inhabitants)
74 Km S of Pescara (121014 inhabitants)
80 Km S of Montesilvano (53738 inhabitants)
81 Km N of Caserta (76326 inhabitants)
88 Km NW of Benevento (60091 inhabitants)
92 Km SE of L'Aquila (69753 inhabitants)
92 Km N of Aversa (53047 inhabitants)
96 Km N of Acerra (59573 inhabitants)
96 Km W of San Severo (53905 inhabitants)
97 Km N of Giugliano in Campania (122974 inhabitants)
98 Km N of Afragola (65057 inhabitants)
100 Km N of Casoria (77642 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 1.4 2020-02-03
18:06:31		 41.8018 14.2327 19 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77543741
Reviewed
Rev100 		ML 1.4 2020-02-03
18:06:31		 41.7987 14.2352 19 2020-02-03
18:11:48		 Sala Sismica INGV-Roma 76171081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-03 18:06:31 ± 0.1
Latitude 41.8018 ± 0.0036
Longitude 14.2327 ± 0.0048
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 77543741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 77543741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-24 21:47:29

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76171081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-03 18:11:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2020-02-03T18:06:46.25 0.3 undecidable manual S 258 44.1225 105 0.21 68
IV.FRES.HHE. 2020-02-03T18:06:45.20 0.6 undecidable manual S 62 40.8258 106 0.01 48
IV.INTR.HHZ. 2020-02-03T18:06:44.16 0.3 undecidable manual S 311 35.742 109 0.26 68
IT.OPI.HGE. 2020-02-03T18:06:43.39 0.6 undecidable manual S 265 33.4443 111 0.07 47
IV.TRIV.HHZ. 2020-02-03T18:06:42.00 0.6 undecidable manual S 98 26.5512 117 0.35 47
IV.LPEL.HHZ. 2020-02-03T18:06:41.71 0.3 undecidable manual S 351 27.4503 116 -0.16 72
IV.POFI.HHZ. 2020-02-03T18:06:39.83 0.1 undecidable manual P 258 44.1225 105 -0.08 94
IV.MIDA.HHZ. 2020-02-03T18:06:39.40 0.3 undecidable manual S 174 17.871 130 -0.3 69
IV.VAGA.HHZ. 2020-02-03T18:06:39.66 0.3 undecidable manual P 180 42.8238 105 -0.06 70
IV.FRES.HHE. 2020-02-03T18:06:39.73 0.1 undecidable manual P 62 40.8258 106 0.31 90
IV.RNI2.HHZ. 2020-02-03T18:06:38.99 0.3 undecidable manual S 211 12.7761 141 0.23 72
IV.INTR.HHZ. 2020-02-03T18:06:38.64 0.1 undecidable manual P 311 35.742 109 -0.03 97
IT.OPI.HGE. 2020-02-03T18:06:38.22 0.1 undecidable manual P 265 33.4443 111 -0.12 95
IV.LPEL.HHZ. 2020-02-03T18:06:37.17 0.3 undecidable manual P 351 27.4503 116 -0.32 69
IV.TRIV.HHZ. 2020-02-03T18:06:37.42 0.3 undecidable manual P 98 26.5512 117 0.05 74
IV.CERA.HHZ. 2020-02-03T18:06:37.65 0.3 undecidable manual P 218 28.749 115 -0.03 73
IV.MIDA.HHZ. 2020-02-03T18:06:36.12 0.1 undecidable manual P 174 17.871 130 -0.12 97
IV.RNI2.HHZ. 2020-02-03T18:06:35.68 0.1 undecidable manual P 211 12.7761 141 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HNN. ML:1.2 0.000127 0.56 AML other m 2020-02-03T18:06:42.33
IV.RNI2.HHN. ML:1.2 0.0001261 0.42 AML other m 2020-02-03T18:06:39.74
IV.MIDA.HNE. ML:1.6 0.000237 0.42 AML other m 2020-02-03T18:06:39.96
IV.MIDA.HHE. ML:1.4 0.000168 0.52 AML other m 2020-02-03T18:06:40.01
IV.RNI2.HNE. ML:1.4 0.0001905 0.16 AML other m 2020-02-03T18:06:40.27
IV.RNI2.HHE. ML:1.5 0.00020950000000000002 0.16 AML other m 2020-02-03T18:06:40.27
IV.MIDA.HNN. ML:1.6 0.0002495 1 AML other m 2020-02-03T18:06:40.40
IV.LPEL.HHN. ML:1.3 0.00009685 0.1 AML other m 2020-02-03T18:06:42.14
IV.LPEL.HHE. ML:1.4 0.0001105 0.28 AML other m 2020-02-03T18:06:42.62
IV.INTR.HHN. ML:1.5 0.00010539999999999999 1.4 AML other m 2020-02-03T18:06:44.15
IV.INTR.HHE. ML:1.2 0.0000546 0.6 AML other m 2020-02-03T18:06:45.32
IV.MIDA.HHN. ML:1.6 0.00024249999999999999 0.42 AML other m 2020-02-03T18:06:39.96
IV.LPEL.HNN. ML:1.2 0.000079580625 0.1024 AML other m 2020-02-03T18:06:42.14
IV.LPEL.HNE. ML:1.4 0.00011416265 1.3312 AML other m 2020-02-03T18:06:41.96
IV.POFI.HHE. ML:1.0 0.000025264990000000002 0.7424 AML other m 2020-02-03T18:06:46.53
IV.POFI.HHN. ML:0.8 0.000021003631500000003 0.5888 AML other m 2020-02-03T18:06:46.74
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