Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 09-01-2023 and time 05:59:44 (UTC) in region 2 km SE Colli a Volturno (IS)

A magnitude ML 1.7 earthquake occured in region: 2 km SE Colli a Volturno (IS), on

  • 09-01-2023 05:59:44 (UTC)
  • 09-01-2023 06:59:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5890, 14.1230 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
Colli a Volturno IS 2 1349 1349
Montaquila IS 3 2456 3805
Fornelli IS 3 1909 5714
Macchia d'Isernia IS 5 1035 6749
Rocchetta a Volturno IS 5 1113 7862
Scapoli IS 6 680 8542
Filignano IS 7 648 9190
Cerro al Volturno IS 8 1281 10471
Monteroduni IS 9 2264 12735
Isernia IS 9 21842 34577
Castel San Vincenzo IS 9 516 35093
Acquaviva d'Isernia IS 10 425 35518
Sant'Agapito IS 10 1496 37014
Pozzilli IS 10 2380 39394
Pizzone IS 11 329 39723
Miranda IS 12 1047 40770
Longano IS 13 690 41460
Forlì del Sannio IS 13 675 42135
Venafro IS 13 11280 53415
Pettoranello del Molise IS 13 460 53875
Capriati a Volturno CE 13 1541 55416
Pesche IS 14 1661 57077
Rionero Sannitico IS 14 1118 58195
Conca Casale IS 14 200 58395
Viticuso FR 15 353 58748
Montenero Val Cocchiara IS 15 538 59286
Acquafondata FR 15 263 59549
Roccasicura IS 15 550 60099
Fontegreca CE 16 811 60910
Ciorlano CE 16 426 61336
Castelpizzuto IS 16 155 61491
Gallo Matese CE 16 579 62070
San Biagio Saracinisco FR 16 349 62419
Carpinone IS 17 1157 63576
Alfedena AQ 18 864 64440
Vallerotonda FR 18 1581 66021
Sessano del Molise IS 18 727 66748
Letino CE 19 712 67460
Prata Sannita CE 19 1502 68962
Scontrone AQ 19 574 69536
Sesto Campano IS 19 2388 71924
Castelpetroso IS 19 1680 73604
Carovilli IS 20 1359 74963

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km N of Caserta (76326 inhabitants)
69 Km N of Aversa (53047 inhabitants)
74 Km N of Giugliano in Campania (122974 inhabitants)
74 Km N of Acerra (59573 inhabitants)
75 Km NW of Benevento (60091 inhabitants)
76 Km N of Afragola (65057 inhabitants)
77 Km N of Marano di Napoli (59874 inhabitants)
77 Km N of Casoria (77642 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
84 Km N of Napoli (974074 inhabitants)
85 Km S of Chieti (51815 inhabitants)
87 Km N of Portici (55274 inhabitants)
89 Km N of Ercolano (53709 inhabitants)
91 Km N of Torre del Greco (86275 inhabitants)
94 Km NW of Avellino (54857 inhabitants)
98 Km S of Pescara (121014 inhabitants)
99 Km NW of Scafati (50787 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 2023-01-09
05:59:44		 41.5892 14.1227 11 2024-03-01
17:17:53		 Bollettino Sismico Italiano INGV 113781461
Reviewed
Rev100 		ML 1.7 2023-01-09
05:59:44		 41.5993 14.1098 10 2023-01-09
06:09:52		 Sala Sismica INGV-Roma 113416941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-09 05:59:44 ± 0.09
Latitude 41.5892 ± 0.0054
Longitude 14.1227 ± 0.0084
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113781461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 727
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69068
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 113416941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-09 06:09:52

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 113781461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-16 16:34:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2023-01-09T06:01:03.83 3.0 undecidable manual Sg 7.35 0
IV.MABI.HHZ. 2023-01-09T06:00:58.97 3.0 undecidable manual Pn 0.9 0
IV.BARO.EHZ. 2023-01-09T06:00:48.52 3.0 undecidable manual Sg 5.53 0
IV.GUMA.HHZ. 2023-01-09T06:00:47.74 3.0 undecidable manual Sg 2.17 0
IV.ESML.HNZ. 2023-01-09T06:00:40.17 3.0 undecidable manual Sn -3.16 0
IV.FDMO.HHZ. 2023-01-09T06:00:09.52 3.0 undecidable manual Pn -0.07 0
IV.T0110.HHZ. 2023-01-09T06:00:07.67 0.6 undecidable manual S 338 76.5678 50 0.62 39
IV.PTQR.HHZ. 2023-01-09T06:00:07.64 0.6 undecidable manual S 309 76.6677 50 0.58 40
IV.VVLD.HHZ. 2023-01-09T06:00:00.26 0.3 undecidable manual S 307 51.7038 50 -0.17 69
IV.LPEL.HHZ. 2023-01-09T06:00:00.32 0.6 undecidable manual S 6 51.0156 50 0.09 47
IV.INTR.HHZ. 2023-01-09T06:00:00.21 0.3 undecidable manual S 339 50.2164 50 0.2 69
IV.LRP.EHZ. 2023-01-09T05:59:58.62 0.3 undecidable manual S 278 44.9217 50 0.01 72
IV.POFI.HHZ. 2023-01-09T05:59:56.60 0.6 undecidable manual S 293 36.9297 50 0.14 47
IV.T0110.HHZ. 2023-01-09T05:59:56.81 0.6 undecidable manual P 338 76.5678 50 -0.51 41
IV.PTQR.HHZ. 2023-01-09T05:59:56.80 0.6 undecidable manual P 309 76.6677 50 -0.52 40
IV.SGG.HHZ. 2023-01-09T05:59:55.73 0.6 undecidable manual S 136 30.9468 50 0.85 38
IV.MCI.EHE. 2023-01-09T05:59:55.26 0.6 undecidable manual S 247 27.9498 50 1.19 33
IV.VITU.HHE. 2023-01-09T05:59:55.43 0.3 undecidable manual P 137 61.6938 50 0.4 64
IT.OPI.HGE. 2023-01-09T05:59:54.95 0.6 undecidable manual S 311 31.9458 50 -0.18 47
IV.LPEL.HHZ. 2023-01-09T05:59:53.71 0.6 undecidable manual P 6 51.0156 50 0.33 44
IV.INTR.HHZ. 2023-01-09T05:59:52.93 0.1 positive manual P 339 50.2164 50 -0.32 89
IV.VVLD.HHZ. 2023-01-09T05:59:52.94 0.1 negative manual P 307 51.7038 50 -0.55 84
IV.VAGA.HNE. 2023-01-09T05:59:52.41 0.6 undecidable manual S 154 21.3675 116 0.13 49
IV.PIGN.HHZ. 2023-01-09T05:59:52.29 0.3 undecidable manual P 174 43.4232 50 0.08 71
IV.LRP.EHZ. 2023-01-09T05:59:51.96 0.3 undecidable manual P 278 44.9217 50 -0.48 65
IV.BSSO.HNE. 2023-01-09T05:59:51.72 0.1 undecidable manual P 97 39.4272 50 0.13 94
IV.MCI.EHE. 2023-01-09T05:59:50.35 0.3 undecidable manual P 247 27.9498 50 0.53 66
IV.RNI2.HHZ. 2023-01-09T05:59:50.20 0.3 undecidable manual S 11 12.876 129 0.42 70
IV.POFI.HHZ. 2023-01-09T05:59:50.90 0.3 undecidable manual P 293 36.9297 50 -0.3 69
IT.OPI.HGE. 2023-01-09T05:59:50.19 0.3 undecidable manual P 311 31.9458 50 -0.25 70
IV.SGG.HHZ. 2023-01-09T05:59:49.69 0.3 undecidable manual P 136 30.9468 50 -0.6 64
IV.CERA.HHZ. 2023-01-09T05:59:49.15 0.3 undecidable manual S 276 8.6802 140 0.41 70
IV.PABO.HHN. 2023-01-09T05:59:49.77 0.3 undecidable manual P 51 28.1496 50 -0.09 73
IV.ORI.HHZ. 2023-01-09T05:59:48.45 3.0 negative manual Pg 0.87 0
IV.VAGA.HNE. 2023-01-09T05:59:48.21 0.1 undecidable manual P 154 21.3675 116 -0.57 88
IV.RNI2.HHZ. 2023-01-09T05:59:47.44 0.1 undecidable manual P 11 12.876 129 0.09 100
IV.CERA.HHZ. 2023-01-09T05:59:46.63 0.1 undecidable manual P 276 8.6802 140 -0.11 100
IV.MRLC.HHZ. 2023-01-09T05:59:36.23 3.0 undecidable manual P 0.32 0
IX.SCL3.EHZ.02 2023-01-09T05:59:35.30 3.0 positive manual P -0.31 0
IV.MTMR.HNZ. 2023-01-09T05:59:33.72 3.0 undecidable manual P -0.15 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:1.8 0.0007849999999999999 0.3 AML other m 2023-01-09T05:59:50.41
IV.CERA.HNE. ML:1.8 0.000772 0.28 AML other m 2023-01-09T05:59:50.41
IV.CERA.HHN. ML:2.0 0.00123 0.18 AML other m 2023-01-09T05:59:50.52
IV.CERA.HNN. ML:1.9 0.00117 0.18 AML other m 2023-01-09T05:59:50.53
IV.RNI2.HHN. ML:1.8 0.0007497773 0.1792 AML other m 2023-01-09T05:59:51.16
IV.RNI2.HNN. ML:1.8 0.0007140841500000001 0.1792 AML other m 2023-01-09T05:59:51.08
IV.RNI2.HHE. ML:1.9 0.0008929663 0.16 AML other m 2023-01-09T05:59:51.43
IV.RNI2.HNE. ML:1.9 0.000837 0.16 AML other m 2023-01-09T05:59:51.43
IV.VVLD.HNN. ML:1.9 0.00018813821999999998 0.9984 AML other m 2023-01-09T05:59:54.03
IV.VVLD.HNE. ML:1.8 0.000150033 1.0592 AML other m 2023-01-09T05:59:54.08
IV.POFI.HHE. ML:1.2 0.000064246855 0.1184 AML other m 2023-01-09T05:59:57.22
IV.POFI.HHN. ML:1.2 0.000058326759999999996 0.2816 AML other m 2023-01-09T05:59:57.45
IV.LRP.EHN. ML:1.1 0.00003471447 1.5616 AML other m 2023-01-09T05:59:58.82
IV.POFI.HNN. ML:1.6 0.00014038764 0.8416 AML other m 2023-01-09T05:59:58.64
IV.POFI.HNE. ML:1.5 0.0001198621 1.5584 AML other m 2023-01-09T05:59:59.09
IV.LRP.EHE. ML:1.5 0.000092023525 0.4032 AML other m 2023-01-09T05:59:59.05
IV.VVLD.HHN. ML:1.8 0.0001406 1.08 AML other m 2023-01-09T06:00:00.68
IV.INTR.HHE. ML:1.8 0.00015476855 0.2624 AML other m 2023-01-09T06:00:01.43
IV.LPEL.HHN. ML:1.8 0.00014749999999999998 0.22 AML other m 2023-01-09T06:00:01.60
IV.LPEL.HNN. ML:1.8 0.000179109825 0.2304 AML other m 2023-01-09T06:00:01.60
IV.VVLD.HHE. ML:1.6 0.00009519099 1.7216 AML other m 2023-01-09T06:00:01.01
IV.LPEL.HHE. ML:1.7 0.00012959235 0.1408 AML other m 2023-01-09T06:00:02.67
IV.LPEL.HNE. ML:1.8 0.00014497874 0.1696 AML other m 2023-01-09T06:00:03.11
IV.INTR.HHN. ML:1.8 0.00015988385 1.8176 AML other m 2023-01-09T06:00:03.98
IV.T0110.HHN. ML:1.9 0.00011282565 1.3792 AML other m 2023-01-09T06:00:09.73
IV.T0110.HHE. ML:1.8 0.00009973080000000001 0.3392 AML other m 2023-01-09T06:00:11.40
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