Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-10-2023 and time 03:28:32 (Italy) in region 3 km E Valle Castellana (TE)

A magnitude ML 1.4 earthquake occured in region: 3 km E Valle Castellana (TE), on

  • 29-10-2023 02:28:32 (UTC)
  • 29-10-2023 03:28:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.5330 at 19 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
Valle Castellana TE 3 977 977
Rocca Santa Maria TE 5 537 1514
Acquasanta Terme AP 11 2916 4430
Civitella del Tronto TE 12 5116 9546
Cortino TE 13 656 10202
Campli TE 13 7209 17411
Folignano AP 13 9241 26652
Torricella Sicura TE 13 2641 29293
Ascoli Piceno AP 14 49407 78700
Roccafluvione AP 15 2010 80710
Teramo TE 16 54892 135602
Maltignano AP 17 2401 138003
Venarotta AP 17 2066 140069
Sant'Egidio alla Vibrata TE 18 9811 149880
Montorio al Vomano TE 19 8218 158098
Palmiano AP 19 196 158294
Arquata del Tronto AP 20 1178 159472

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
67 Km NW of Chieti (51815 inhabitants)
72 Km E of Foligno (57155 inhabitants)
75 Km E of Terni (111501 inhabitants)
98 Km S of Ancona (100861 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 1.4 2023-10-29
02:28:32		 42.734 13.5327 19 2023-10-29
02:37:38		 Sala Sismica INGV-Roma 122529211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 02:28:32 ± 0.14
Latitude 42.7340 ± 0.0045
Longitude 13.5327 ± 0.0086
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122529211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44426
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 122529211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 02:37:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2023-10-29T02:29:26.21 3.0 undecidable manual Sn -0.53 0
IV.SGG.HHZ. 2023-10-29T02:29:20.33 3.0 undecidable manual S 2.93 0
IV.MGAB.HHZ. 2023-10-29T02:29:08.77 3.0 undecidable manual S 1.11 0
IV.CING.HHZ. 2023-10-29T02:28:57.60 3.0 undecidable manual S 0.3 0
IV.ASSB.HHZ. 2023-10-29T02:28:57.58 3.0 undecidable manual S -1.18 0
IV.T0110.HHZ. 2023-10-29T02:28:43.28 3.0 negative manual P -0.33 0
IV.MMO1.EHZ. 2023-10-29T02:28:42.25 0.6 undecidable manual S 318 24.8529 118 -0.09 49
IV.CAMP.HHZ. 2023-10-29T02:28:42.27 0.6 undecidable manual S 205 24.1536 118 0.08 49
IV.SMA1.EHZ. 2023-10-29T02:28:41.33 0.6 undecidable manual S 235 19.7691 125 0.14 49
IV.FDMO.HHZ. 2023-10-29T02:28:41.72 0.6 undecidable manual P 313 49.3173 102 -0.15 47
IV.CSP1.EHZ. 2023-10-29T02:28:41.49 3.0 positive manual P -0.37 0
IV.LNSS.HHZ. 2023-10-29T02:28:41.35 1.0 undecidable manual P 250 42.7239 104 0.48 22
IV.GUMA.HHZ. 2023-10-29T02:28:40.51 3.0 undecidable manual P 0 0
IV.NRCA.HHZ. 2023-10-29T02:28:39.82 0.1 negative manual P 288 35.8419 108 -0.02 98
IV.RM33.EHZ. 2023-10-29T02:28:39.95 0.6 undecidable manual P 226 36.0417 107 0.08 48
IV.MF5.EHZ. 2023-10-29T02:28:38.60 1.0 negative manual P 348 28.749 113 -0.22 24
IV.GIGS.HHZ. 2023-10-29T02:28:38.83 3.0 undecidable manual P -0.45 0
IV.MMO1.EHZ. 2023-10-29T02:28:38.15 0.3 positive manual P 318 24.8529 118 -0.13 73
IV.OFFI.HHZ. 2023-10-29T02:28:38.63 0.1 positive manual P 29 25.5522 117 0.26 95
IV.CAMP.HHZ. 2023-10-29T02:28:38.16 0.1 undecidable manual P 205 24.1536 118 -0.03 100
IV.SMA1.EHZ. 2023-10-29T02:28:37.59 1.0 undecidable manual P 235 19.7691 125 -0.02 25
IV.TERO.HNZ. 2023-10-29T02:28:36.70 0.1 undecidable manual P 155 13.6752 138 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:2.1 0.0008655 0.18 AML other m 2023-10-29T02:28:39.78
IV.TERO.HNN. ML:2.1 0.0008900000000000001 0.16 AML other m 2023-10-29T02:28:39.78
IV.TERO.HNE. ML:1.7 0.000343 0.18 AML other m 2023-10-29T02:28:39.91
IV.TERO.HHE. ML:1.9 0.000603 1.56 AML other m 2023-10-29T02:28:40.85
IV.SMA1.EHN. ML:1.2 0.00009845000000000001 0.46 AML other m 2023-10-29T02:28:41.66
IV.SMA1.EHE. ML:0.9 0.00005025 0.6 AML other m 2023-10-29T02:28:42.20
IV.MMO1.EHN. ML:1.5 0.0001575 0.06 AML other m 2023-10-29T02:28:42.35
IV.MMO1.EHE. ML:1.5 0.00017099999999999998 0.74 AML other m 2023-10-29T02:28:42.36
IV.GIGS.HHN. ML:0.7 0.000018200000000000002 1.1 AML other m 2023-10-29T02:28:43.68
IV.GIGS.HHE. ML:1.0 0.00004245 0.16 AML other m 2023-10-29T02:28:43.79
IV.OFFI.HHN. ML:1.5 0.00016599999999999997 0.36 AML other m 2023-10-29T02:28:43.92
IV.OFFI.HHE. ML:1.5 0.00015849999999999998 0.3 AML other m 2023-10-29T02:28:44.57
IV.NRCA.HHN. ML:1.3 0.00006845 0.66 AML other m 2023-10-29T02:28:45.45
IV.NRCA.HHE. ML:1.6 0.0001535 0.08 AML other m 2023-10-29T02:28:46.02
IV.RM33.EHN. ML:1.2 0.000053349999999999996 0.4 AML other m 2023-10-29T02:28:46.54
IV.RM33.EHE. ML:1.2 0.00005715 1.42 AML other m 2023-10-29T02:28:46.80
IV.LNSS.HHN. ML:1.5 0.00008754999999999999 1.64 AML other m 2023-10-29T02:28:48.92
IV.LNSS.HHE. ML:1.2 0.0000482 0.44 AML other m 2023-10-29T02:28:48.74
IV.FDMO.HHN. ML:1.3 0.0000511 1.06 AML other m 2023-10-29T02:28:49.07
IV.FDMO.HHE. ML:1.2 0.00003535 0.94 AML other m 2023-10-29T02:28:49.17
IV.GUMA.HHE. ML:1.3 0.00007 0.9 AML other m 2023-10-29T02:28:51.21
IV.GUMA.HHN. ML:1.3 0.00007214999999999999 0.42 AML other m 2023-10-29T02:28:51.50
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