Earthquake with magnitude of ML 0.9 on date 14-08-2023 and time 13:56:14 (Italy) in region 5 km E Valle Castellana (TE)

A magnitude ML 0.9 earthquake occured in region: 5 km E Valle Castellana (TE), on

  • 14-08-2023 11:56:14 (UTC)
  • 14-08-2023 13:56:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7400, 13.5610 at 16 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 7 537 1514
Civitella del Tronto TE 9 5116 6630
Campli TE 10 7209 13839
Folignano AP 11 9241 23080
Torricella Sicura TE 12 2641 25721
Acquasanta Terme AP 13 2916 28637
Ascoli Piceno AP 13 49407 78044
Cortino TE 14 656 78700
Maltignano AP 15 2401 81101
Teramo TE 15 54892 135993
Roccafluvione AP 15 2010 138003
Sant'Egidio alla Vibrata TE 16 9811 147814
Venarotta AP 17 2066 149880
Montorio al Vomano TE 18 8218 158098
Ancarano TE 18 1857 159955
Castel di Lama AP 19 8634 168589
Palmiano AP 20 196 168785
Appignano del Tronto AP 20 1785 170570

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Teramo (54892 inhabitants)
45 Km NE of L'Aquila (69753 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
62 Km NW 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)
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 0.9 2023-08-14
11:56:14
42.7397 13.5612 17 2023-08-14
12:10:35
Sala Sismica INGV-Roma 120116181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 11:56:14 ± 0.13
Latitude 42.7397 ± 0.0045
Longitude 13.5612 ± 0.0073
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120116181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 120116181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-14 12:10:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.GAGG.HHZ. 2023-08-14T11:57:59.74 3.0 undecidable manual Sn 0.29 0
IV.MFNL.HHZ. 2023-08-14T11:57:44.72 3.0 positive manual Pg 15.78 0
IV.PLAC.HNZ. 2023-08-14T11:57:43.01 3.0 undecidable manual Pg 15.88 0
IV.PTRP.HHZ. 2023-08-14T11:57:37.44 3.0 undecidable manual Sn 0.62 0
IV.ECTS.HHZ. 2023-08-14T11:57:32.68 3.0 undecidable manual Pn 3.17 0
CH.DAVOX.HHZ. 2023-08-14T11:57:30.32 3.0 negative manual Pn 3.05 0
GU.GBOS.HHZ. 2023-08-14T11:57:26.95 3.0 undecidable manual Pn 5.34 0
IV.MCRV.HHZ. 2023-08-14T11:57:22.06 3.0 undecidable manual Sn 0.22 0
OX.ACOM.HHZ. 2023-08-14T11:57:20.24 3.0 undecidable manual Pg 6.54 0
IX.COL3.HHZ.02 2023-08-14T11:56:54.15 3.0 undecidable manual Pn -0.47 0
IV.SFI.EHZ. 2023-08-14T11:56:45.40 3.0 undecidable manual Pg 0.91 0
IV.PIEI.HHZ. 2023-08-14T11:56:36.84 3.0 negative manual P 0.75 0
IV.CSP1.EHZ. 2023-08-14T11:56:30.29 0.6 undecidable manual S 324 48.618 99 0.35 46
IV.FDMO.HHZ. 2023-08-14T11:56:30.81 0.6 undecidable manual S 311 50.7159 98 0.33 46
IV.RM33.EHZ. 2023-08-14T11:56:27.28 0.6 undecidable manual S 228 38.1285 102 0.1 48
IV.NRCA.HHZ. 2023-08-14T11:56:26.97 0.6 undecidable manual S 286 37.8288 102 -0.13 48
IV.GIGS.HHZ. 2023-08-14T11:56:25.16 0.6 undecidable manual S 178 31.746 105 -0.37 47
IV.MMO1.HNZ. 2023-08-14T11:56:24.08 0.6 undecidable manual S 313 26.0517 110 0.01 50
IV.SMA1.EHZ. 2023-08-14T11:56:23.01 0.6 undecidable manual S 237 22.0668 115 -0.07 50
IV.CSP1.EHZ. 2023-08-14T11:56:23.28 1.0 undecidable manual P 324 48.618 99 -0.08 24
IV.FDMO.HHZ. 2023-08-14T11:56:23.41 1.0 negative manual P 311 50.7159 98 -0.27 23
IV.TERO.HNZ. 2023-08-14T11:56:21.47 0.6 undecidable manual S 165 13.3755 133 0.3 48
IV.NRCA.HHZ. 2023-08-14T11:56:21.64 0.6 positive manual P 286 37.8288 102 -0.09 48
IV.MTRA.HNZ. 2023-08-14T11:56:21.10 0.6 undecidable manual S 278 13.5753 132 -0.09 51
IV.RM33.EHZ. 2023-08-14T11:56:21.75 1.0 undecidable manual P 228 38.1285 102 -0.03 25
IV.MMO1.HNZ. 2023-08-14T11:56:20.24 0.3 undecidable manual P 313 26.0517 110 0.26 72
IV.ASCOL.HNE. 2023-08-14T11:56:20.78 0.6 undecidable manual S 11 12.5763 135 -0.23 49
IV.GIGS.HHZ. 2023-08-14T11:56:20.68 1.0 undecidable manual P 178 31.746 105 -0.14 24
IV.SMA1.EHZ. 2023-08-14T11:56:19.46 0.6 undecidable manual P 237 22.0668 115 0.05 50
IV.TERO.HNZ. 2023-08-14T11:56:18.48 0.1 undecidable manual P 165 13.3755 133 0.18 99
IV.MTRA.HNZ. 2023-08-14T11:56:18.12 0.1 undecidable manual P 278 13.5753 132 -0.19 99
IV.ASCOL.HNE. 2023-08-14T11:56:18.08 0.1 undecidable manual P 11 12.5763 135 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.5 0.000262 0.16 AML other m 2023-08-14T11:56:21.57
IV.TERO.HHE. ML:1.4 0.00020050000000000002 0.26 AML other m 2023-08-14T11:56:21.65
IV.GIGS.HHN. ML:0.4 0.0000087 0.24 AML other m 2023-08-14T11:56:25.47
IV.GIGS.HHE. ML:0.8 0.000025450000000000002 0.14 AML other m 2023-08-14T11:56:25.58
IV.NRCA.HHN. ML:1.0 0.0000328 0.34 AML other m 2023-08-14T11:56:27.51
IV.NRCA.HHE. ML:1.1 0.000038650000000000004 0.32 AML other m 2023-08-14T11:56:27.81
IV.RM33.EHE. ML:0.6 0.0000166 0.34 AML other m 2023-08-14T11:56:28.20
IV.RM33.EHN. ML:0.8 0.0000205 0.76 AML other m 2023-08-14T11:56:28.34
IV.FDMO.HHE. ML:0.6 0.00001205 0.18 AML other m 2023-08-14T11:56:30.87
IV.FDMO.HHN. ML:0.8 0.00001314 0.46 AML other m 2023-08-14T11:56:31.29
IV.TERO.HNE. ML:1.1 0.00010228038 0.16 AML other m 2023-08-14T11:56:21.71
IV.TERO.HNN. ML:1.5 0.0002355157 0.0576 AML other m 2023-08-14T11:56:21.58
IV.SMA1.EHE. ML:0.6 0.000023384075 0.16 AML other m 2023-08-14T11:56:23.31
IV.SMA1.EHN. ML:0.5 0.00001989488 0.16 AML other m 2023-08-14T11:56:24.08
IV.CSP1.EHE. ML:1.3 0.00004987783 0.3392 AML other m 2023-08-14T11:56:30.51
IV.CSP1.EHN. ML:1.3 0.00005533227 0.2432 AML other m 2023-08-14T11:56:30.70
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download