Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-10-2022 and time 05:23:24 (UTC) in region 3 km SE Montaquila (IS)

A magnitude ML 1.6 earthquake occured in region: 3 km SE Montaquila (IS), on

  • 26-10-2022 05:23:24 (UTC)
  • 26-10-2022 07:23:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5500, 14.1390 at 10 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
Montaquila IS 3 2456 2456
Macchia d'Isernia IS 3 1035 3491
Monteroduni IS 4 2264 5755
Colli a Volturno IS 6 1349 7104
Fornelli IS 6 1909 9013
Filignano IS 7 648 9661
Sant'Agapito IS 7 1496 11157
Pozzilli IS 8 2380 13537
Isernia IS 8 21842 35379
Capriati a Volturno CE 9 1541 36920
Rocchetta a Volturno IS 9 1113 38033
Longano IS 9 690 38723
Scapoli IS 10 680 39403
Venafro IS 11 11280 50683
Fontegreca CE 11 811 51494
Ciorlano CE 11 426 51920
Pettoranello del Molise IS 12 460 52380
Gallo Matese CE 12 579 52959
Cerro al Volturno IS 12 1281 54240
Conca Casale IS 13 200 54440
Castelpizzuto IS 13 155 54595
Castel San Vincenzo IS 13 516 55111
Acquaviva d'Isernia IS 14 425 55536
Pesche IS 14 1661 57197
Miranda IS 14 1047 58244
Prata Sannita CE 14 1502 59746
Letino CE 14 712 60458
Viticuso FR 14 353 60811
Sesto Campano IS 15 2388 63199
Acquafondata FR 16 263 63462
Pizzone IS 16 329 63791
Carpinone IS 16 1157 64948
Pratella CE 16 1565 66513
Forlì del Sannio IS 17 675 67188
Valle Agricola CE 17 890 68078
Castelpetroso IS 17 1680 69758
Rionero Sannitico IS 18 1118 70876
Roccasicura IS 18 550 71426
Ailano CE 18 1369 72795
Roccamandolfi IS 19 938 73733
Vallerotonda FR 19 1581 75314
Sessano del Molise IS 19 727 76041
San Biagio Saracinisco FR 19 349 76390
San Pietro Infine CE 19 944 77334
Montenero Val Cocchiara IS 19 538 77872
Santa Maria del Molise IS 19 665 78537
San Vittore del Lazio FR 19 2636 81173
Presenzano CE 20 1766 82939

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km N of Caserta (76326 inhabitants)
64 Km N of Aversa (53047 inhabitants)
69 Km N of Giugliano in Campania (122974 inhabitants)
70 Km N of Acerra (59573 inhabitants)
71 Km NW of Benevento (60091 inhabitants)
71 Km N of Afragola (65057 inhabitants)
73 Km N of Marano di Napoli (59874 inhabitants)
73 Km N of Casoria (77642 inhabitants)
78 Km N of Pozzuoli (81661 inhabitants)
80 Km N of Napoli (974074 inhabitants)
83 Km N of Portici (55274 inhabitants)
84 Km N of Ercolano (53709 inhabitants)
87 Km N of Torre del Greco (86275 inhabitants)
89 Km S of Chieti (51815 inhabitants)
90 Km NW of Avellino (54857 inhabitants)
95 Km NW of Scafati (50787 inhabitants)
99 Km N of Castellammare di Stabia (66466 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 1.6 2022-10-26
05:23:24		 41.5503 14.1393 10 2024-03-01
15:28:23		 Bollettino Sismico Italiano INGV 117402751
Reviewed
Rev100 		ML 1.6 2022-10-26
05:23:24		 41.5163 14.097 11 2022-10-26
05:30:05		 Sala Sismica INGV-Roma 111191751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-26 05:23:24 ± 0.11
Latitude 41.5503 ± 0.0072
Longitude 14.1393 ± 0.0120
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117402751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1126
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.50002
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:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 111191751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-26 05:30:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 117402751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-19 11:38:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHN. 2022-10-26T05:23:42.30 0.3 undecidable manual S 310 55.5 50 0.02 71
IV.INTR.HHZ. 2022-10-26T05:23:42.90 0.6 undecidable manual S 339 54.7008 50 0.83 37
IV.POFI.HHZ. 2022-10-26T05:23:38.30 0.6 undecidable manual S 298 40.0266 50 0.17 47
IV.LRP.EHZ. 2022-10-26T05:23:34.02 0.6 undecidable manual P 283 47.1195 50 0.45 44
IV.INTR.HHZ. 2022-10-26T05:23:34.88 0.6 undecidable manual P 339 54.7008 50 0.14 46
IV.VVLD.HHN. 2022-10-26T05:23:34.41 0.1 undecidable manual P 310 55.5 50 -0.45 87
IV.SGG.HHN. 2022-10-26T05:23:34.60 0.6 undecidable manual S 132 26.9508 50 -0.06 50
IV.POFI.HHZ. 2022-10-26T05:23:32.29 0.6 undecidable manual P 298 40.0266 50 -0.18 47
IV.PTRJ.HHZ. 2022-10-26T05:23:32.91 0.6 undecidable manual P 122 38.4282 50 0.68 41
IV.VAGA.HHZ. 2022-10-26T05:23:31.80 0.3 undecidable manual S 152 16.9719 120 0.27 72
IV.RNI2.HNE. 2022-10-26T05:23:31.50 0.3 undecidable manual S 4 16.9719 120 -0.05 76
IV.SGG.HHN. 2022-10-26T05:23:30.05 0.6 undecidable manual P 132 26.9508 50 -0.41 46
IV.MCI.EHZ. 2022-10-26T05:23:30.17 0.3 undecidable manual P 256 27.8499 50 -0.44 68
IV.CERA.HHZ. 2022-10-26T05:23:30.10 0.6 undecidable manual S 298 11.3775 131 0.15 50
IV.VAGA.HHZ. 2022-10-26T05:23:28.56 0.1 undecidable manual P 152 16.9719 120 -0.1 100
IV.RNI2.HNE. 2022-10-26T05:23:28.01 0.6 undecidable manual P 4 16.9719 120 -0.66 43
IV.CERA.HHZ. 2022-10-26T05:23:27.99 0.3 undecidable manual P 298 11.3775 131 0.25 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:1.8 0.0008414999999999999 1.44 AML other m 2022-10-26T05:23:30.12
IV.CERA.HNE. ML:1.8 0.000794 1.44 AML other m 2022-10-26T05:23:30.12
IV.VAGA.HHN. ML:1.8 0.0005745 0.32 AML other m 2022-10-26T05:23:32.39
IV.VAGA.HNN. ML:1.8 0.000564 0.34 AML other m 2022-10-26T05:23:32.39
IV.VAGA.HNE. ML:1.5 0.00026000000000000003 1.12 AML other m 2022-10-26T05:23:33.12
IV.VAGA.HHE. ML:1.5 0.00030100000000000005 1.12 AML other m 2022-10-26T05:23:33.68
IV.CERA.HHN. ML:1.7 0.000651 0.48 AML other m 2022-10-26T05:23:34.05
IV.CERA.HNN. ML:1.7 0.0006105 0.48 AML other m 2022-10-26T05:23:34.05
IV.INTR.HHN. ML:1.2 0.0000423 0.26 AML other m 2022-10-26T05:23:46.93
IV.INTR.HHE. ML:1.2 0.00003594999999999999 0.58 AML other m 2022-10-26T05:23:47.00
IV.LRP.EHN. ML:0.6 0.0000082131695 0.1408 AML other m 2022-10-26T05:23:40.35
IV.LRP.EHE. ML:1.0 0.000022713345 0.3616 AML other m 2022-10-26T05:23:50.94
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