Earthquake with magnitude of ML 1.3 on date 17-10-2023 and time 07:42:00 (Italy) in region 5 km E Valle Castellana (TE)

A magnitude ML 1.3 earthquake occured in region: 5 km E Valle Castellana (TE), on

  • 17-10-2023 05:42:00 (UTC)
  • 17-10-2023 07:42:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7330, 13.5560 at 20 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.

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 5 977 977
Rocca Santa Maria TE 6 537 1514
Civitella del Tronto TE 10 5116 6630
Campli TE 11 7209 13839
Torricella Sicura TE 12 2641 16480
Folignano AP 12 9241 25721
Acquasanta Terme AP 13 2916 28637
Cortino TE 13 656 29293
Ascoli Piceno AP 14 49407 78700
Teramo TE 15 54892 133592
Maltignano AP 16 2401 135993
Roccafluvione AP 16 2010 138003
Sant'Egidio alla Vibrata TE 17 9811 147814
Venarotta AP 17 2066 149880
Montorio al Vomano TE 18 8218 158098
Ancarano TE 19 1857 159955
Castel di Lama AP 20 8634 168589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
74 Km E of Foligno (57155 inhabitants)
77 Km E of Terni (111501 inhabitants)
99 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 1.3 2023-10-17
05:42:00
42.7327 13.5565 20 2023-10-17
05:52:22
Sala Sismica INGV-Roma 122143831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-17 05:42:00 ± 0.12
Latitude 42.7327 ± 0.0045
Longitude 13.5565 ± 0.0110
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122143831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 945
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27969
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 122143831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-17 05:52:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VOBA.EHZ. 2023-10-17T05:43:46.86 3.0 undecidable manual Sn 4.02 0
IV.ACATE.HNZ. 2023-10-17T05:43:45.25 3.0 undecidable manual Pg 18.67 0
IV.BAG8.EHZ. 2023-10-17T05:43:44.96 3.0 undecidable manual Sn -1.82 0
IV.AGLI.HHZ. 2023-10-17T05:43:40.37 3.0 undecidable manual Sn -0.62 0
IV.SCIAC.HHZ. 2023-10-17T05:43:36.32 3.0 positive manual Pg 17.120001 0
IV.HPAC.HHZ. 2023-10-17T05:43:33.10 3.0 undecidable manual Pn 1.29 0
GU.RORO.HHZ. 2023-10-17T05:43:23.50 3.0 undecidable manual Pg 17.700001 0
IV.SELL.HHZ. 2023-10-17T05:43:07.64 3.0 positive manual Pn -1.03 0
IV.ZEN8.EHZ. 2023-10-17T05:43:06.78 3.0 undecidable manual Pg 9.83 0
IV.OSSC.HHZ. 2023-10-17T05:43:00.60 3.0 undecidable manual Sg 2.03 0
IV.MRLC.HHZ. 2023-10-17T05:42:46.86 3.0 undecidable manual Pg 5.07 0
IV.MIDA.HHZ. 2023-10-17T05:42:43.75 3.0 undecidable manual S 0.91 0
IV.RNI2.HHZ. 2023-10-17T05:42:24.97 3.0 undecidable manual P 1.62 0
IV.GIUL.HHZ. 2023-10-17T05:42:22.73 3.0 positive manual P -1.13 0
IV.MURB.HNZ. 2023-10-17T05:42:20.58 3.0 undecidable manual P 0.81 0
IT.CSO1.HGZ. 2023-10-17T05:42:15.26 3.0 undecidable manual Pg 0.18 0
IV.GIGS.HHZ. 2023-10-17T05:42:11.30 0.3 undecidable manual S 178 31.0467 113 -0.03 73
IV.MMO1.EHZ. 2023-10-17T05:42:10.00 1.0 undecidable manual S 315 26.2515 118 -0.18 24
IV.TERO.HHZ. 2023-10-17T05:42:07.34 0.3 undecidable manual S 162 12.7761 142 -0.04 76
IV.GIGS.HHZ. 2023-10-17T05:42:06.56 0.1 undecidable manual P 178 31.0467 113 -0.02 98
IV.SMA1.EHZ. 2023-10-17T05:42:05.33 0.1 undecidable manual P 238 21.2676 125 0.07 99
IV.MMO1.EHZ. 2023-10-17T05:42:05.88 0.1 undecidable manual P 315 26.2515 118 -0.04 99
IV.TERO.HHZ. 2023-10-17T05:42:04.39 0.1 undecidable manual P 162 12.7761 142 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.4 0.00019700000000000002 0.16 AML other m 2023-10-17T05:42:07.43
IV.TERO.HHE. ML:1.2 0.000117 0.42 AML other m 2023-10-17T05:42:07.51
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