Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 29-10-2023 and time 15:58:16 (Italy) in region 2 km W Sant'Angelo Limosano (CB)

A magnitude ML 1.2 earthquake occured in region: 2 km W Sant'Angelo Limosano (CB), on

  • 29-10-2023 14:58:16 (UTC)
  • 29-10-2023 15:58:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6860, 14.5790 at 25 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Sant'Angelo Limosano CB 2 352 352
Fossalto CB 3 1345 1697
San Biase CB 3 189 1886
Limosano CB 4 768 2654
Pietracupa CB 5 215 2869
Torella del Sannio CB 7 795 3664
Castropignano CB 7 947 4611
Salcito CB 9 683 5294
Montagano CB 9 1086 6380
Molise CB 9 167 6547
Petrella Tifernina CB 10 1170 7717
Bagnoli del Trigno IS 10 735 8452
Duronia CB 10 405 8857
Lucito CB 11 696 9553
Ripalimosani CB 11 3114 12667
Oratino CB 11 1641 14308
Trivento CB 11 4730 19038
Casalciprano CB 12 564 19602
Castellino del Biferno CB 13 545 20147
Castelbottaccio CB 13 312 20459
Matrice CB 14 1115 21574
Civitacampomarano CB 14 417 21991
Frosolone IS 14 3170 25161
Civitanova del Sannio IS 15 945 26106
Busso CB 15 1273 27379
Sant'Elena Sannita IS 15 275 27654
Lupara CB 16 505 28159
Campobasso CB 16 49431 77590
Castelguidone CH 16 382 77972
Chiauci IS 16 233 78205
Schiavi di Abruzzo CH 16 860 79065
Roccavivara CB 17 815 79880
Campolieto CB 17 839 80719
Morrone del Sannio CB 17 587 81306
Poggio Sannita IS 17 702 82008
Pietrabbondante IS 17 759 82767
Spinete CB 18 1320 84087
San Giovanni Lipioni CH 18 185 84272
Castelverrino IS 18 115 84387
San Giovanni in Galdo CB 18 580 84967
Baranello CB 18 2673 87640
Ferrazzano CB 19 3344 90984
Ripabottoni CB 19 514 91498
Castelmauro CB 19 1505 93003
Toro CB 20 1391 94394
Campodipietra CB 20 2570 96964
Macchiagodena IS 20 1854 98818

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km N of Benevento (60091 inhabitants)
67 Km W of San Severo (53905 inhabitants)
71 Km N of Caserta (76326 inhabitants)
81 Km SE of Chieti (51815 inhabitants)
84 Km N of Acerra (59573 inhabitants)
84 Km W of Foggia (151991 inhabitants)
85 Km NE of Aversa (53047 inhabitants)
88 Km N of Avellino (54857 inhabitants)
88 Km N of Afragola (65057 inhabitants)
90 Km NE of Giugliano in Campania (122974 inhabitants)
90 Km N of Casoria (77642 inhabitants)
92 Km SE of Pescara (121014 inhabitants)
93 Km NE of Marano di Napoli (59874 inhabitants)
98 Km N of Portici (55274 inhabitants)
98 Km N of Napoli (974074 inhabitants)
99 Km SE of Montesilvano (53738 inhabitants)
99 Km N of Ercolano (53709 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
Reviewed
Rev100 		ML 1.2 2023-10-29
14:58:16		 41.6862 14.5788 25 2023-10-29
15:06:29		 Sala Sismica INGV-Roma 122550441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 14:58:16 ± 0.35
Latitude 41.6862 ± 0.0108
Longitude 14.5788 ± 0.0169
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122550441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1277
Semi-minor axis of confidence ellipse (meter) 1100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 122550441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 15:06:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2023-10-29T15:00:11.87 3.0 undecidable manual Sn -8.18 0
7C.SPAOL.HNZ. 2023-10-29T15:00:00.14 3.0 undecidable manual Sn -0.32 0
MN.KLV.HHZ. 2023-10-29T14:59:49.99 3.0 positive manual Pn 0.94 0
IV.ECTS.HHZ. 2023-10-29T14:59:49.76 3.0 undecidable manual Sn -2.63 0
GU.BHB.HHZ. 2023-10-29T14:59:48.41 3.0 undecidable manual Pn 1.48 0
IV.LPDG.HHZ. 2023-10-29T14:59:41.42 3.0 undecidable manual Pn -3.63 0
GU.CANO.HHZ. 2023-10-29T14:59:34.01 3.0 positive manual Pn -0.47 0
IV.SSFR.HHZ. 2023-10-29T14:59:25.09 3.0 undecidable manual Sg 4.31 0
IV.TDS.HHZ. 2023-10-29T14:59:23.69 3.0 undecidable manual Sg 7.81 0
IV.ATMI.HHZ. 2023-10-29T14:59:16.67 3.0 undecidable manual Sn -8.88 0
IV.MURB.HHZ. 2023-10-29T14:59:15.99 3.0 undecidable manual Sn -4.97 0
IV.FDMO.HHZ. 2023-10-29T14:59:09.78 3.0 undecidable manual Sg -0.12 0
IV.NRCA.HHZ. 2023-10-29T14:59:06.45 3.0 undecidable manual Sg 0.36 0
IV.SENI.EHZ. 2023-10-29T14:58:46.60 3.0 positive manual Pn -5.15 0
IV.MCRV.HHZ. 2023-10-29T14:58:44.59 3.0 undecidable manual Sn 2.49 0
IV.LNSS.HHZ. 2023-10-29T14:58:41.98 3.0 undecidable manual Pg 0.21 0
OT.OT14.EHZ. 2023-10-29T14:58:40.60 3.0 undecidable manual Sn -0.75 0
IV.CFMN.HNZ. 2023-10-29T14:58:31.44 3.0 undecidable manual P -0.24 0
IV.RNI2.HHZ. 2023-10-29T14:58:30.72 3.0 undecidable manual S 0
IV.RNI2.HHZ. 2023-10-29T14:58:27.71 3.0 undecidable manual P 0
IV.MIDA.HHZ. 2023-10-29T14:58:27.65 0.3 undecidable manual S 260 27.3504 126 -0.17 72
IV.BSSO.HHZ. 2023-10-29T14:58:25.62 0.3 undecidable manual S 175 15.5733 144 0.05 74
IV.PTRJ.HNE. 2023-10-29T14:58:24.41 0.3 undecidable manual P 187 35.9418 118 0.14 71
IV.TRIV.HHZ. 2023-10-29T14:58:24.85 0.6 undecidable manual S 345 9.2796 157 0.12 50
IV.MIDA.HHZ. 2023-10-29T14:58:23.32 0.1 undecidable manual P 260 27.3504 126 0.17 95
IV.TRIV.HHZ. 2023-10-29T14:58:21.32 0.1 undecidable manual P 345 9.2796 157 -0.05 100
IV.BSSO.HHZ. 2023-10-29T14:58:21.58 0.3 undecidable manual P 175 15.5733 144 -0.27 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHN. ML:1.1 0.0000637 0.58 AML other m 2023-10-29T14:58:25.66
IV.BSSO.HHE. ML:1.3 0.00010250000000000001 0.9 AML other m 2023-10-29T14:58:25.98
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