Earthquake with magnitude of ML 1.1 on date 23-09-2023 and time 22:54:09 (UTC) in region 10 km S Pietracamela (TE)

A magnitude ML 1.1 earthquake occured in region: 10 km S Pietracamela (TE), on

  • 23-09-2023 22:54:09 (UTC)
  • 24-09-2023 00:54:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4340, 13.5190 at 11 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
Pietracamela TE 11 271 271
Poggio Picenze AQ 13 1136 1407
Crognaleto TE 13 1297 2704
Barisciano AQ 13 1828 4532
Fano Adriano TE 13 296 4828
L'Aquila AQ 13 69753 74581
Isola del Gran Sasso d'Italia TE 14 4773 79354
Santo Stefano di Sessanio AQ 15 111 79465
Fossa AQ 16 721 80186
Sant'Eusanio Forconese AQ 16 394 80580
San Demetrio ne' Vestini AQ 16 1854 82434
Tossicia TE 17 1406 83840
Ocre AQ 17 1167 85007
Castelli TE 17 1159 86166
Colledara TE 18 2179 88345
Villa Sant'Angelo AQ 18 424 88769
Pizzoli AQ 18 4326 93095
Campotosto AQ 18 542 93637
Prata d'Ansidonia AQ 19 496 94133
Castel del Monte AQ 19 413 94546
Calascio AQ 19 137 94683
Montorio al Vomano TE 19 8218 102901
Barete AQ 20 737 103638
Castelvecchio Calvisio AQ 20 153 103791
San Pio delle Camere AQ 20 661 104452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NE of L'Aquila (69753 inhabitants)
29 Km SW of Teramo (54892 inhabitants)
53 Km W of Montesilvano (53738 inhabitants)
54 Km W of Chieti (51815 inhabitants)
57 Km W of Pescara (121014 inhabitants)
73 Km E of Terni (111501 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km SE of Foligno (57155 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 1.1 2023-09-23
22:54:09
42.4338 13.5187 11 2023-09-23
23:02:38
Sala Sismica INGV-Roma 121408821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-23 22:54:09 ± 0.05
Latitude 42.4338 ± 0.0054
Longitude 13.5187 ± 0.0049
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121408821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 423
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49822
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 121408821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-23 23:02:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-09-23T22:55:35.10 3.0 undecidable manual Sn 1.05 0
IV.MSSA.HHZ. 2023-09-23T22:55:27.84 3.0 undecidable manual Sn -5.16 0
4P.IT02A.HHZ. 2023-09-23T22:55:25.06 3.0 undecidable manual Pg 11.23 0
IV.AIO.HHZ. 2023-09-23T22:55:19.80 3.0 positive manual Pg 11.06 0
IV.SGO.HHZ. 2023-09-23T22:55:15.45 3.0 undecidable manual Sg 9.24 0
IV.AGLI.HHZ. 2023-09-23T22:55:01.47 3.0 positive manual Pg 11.23 0
IV.MCRV.HHZ. 2023-09-23T22:54:59.56 3.0 undecidable manual Sn -1.05 0
GU.CARD.HHZ. 2023-09-23T22:54:51.86 3.0 undecidable manual Pg 8.12 0
IV.SACR.HNZ. 2023-09-23T22:54:41.80 3.0 undecidable manual Sn -2.82 0
IV.FRON.EHZ. 2023-09-23T22:54:40.12 3.0 undecidable manual Sn -3.51 0
IV.T0110.HHZ. 2023-09-23T22:54:19.94 0.3 undecidable manual S 137 31.0467 91 0.05 74
IV.NRCA.HHZ. 2023-09-23T22:54:19.07 0.1 undecidable manual P 323 55.3002 90 -0.02 93
IV.RM33.EHZ. 2023-09-23T22:54:18.47 0.3 undecidable manual S 289 26.2515 91 -0.15 72
IV.SMA1.EHZ. 2023-09-23T22:54:18.72 0.3 undecidable manual S 326 26.4513 91 0.04 74
IV.TERO.HHZ. 2023-09-23T22:54:17.43 0.3 undecidable manual S 18 22.0668 91 -0.08 74
IV.FIAM.HHZ. 2023-09-23T22:54:16.39 0.1 undecidable manual P 241 37.7289 90 0 97
IV.CAMP.HHZ. 2023-09-23T22:54:15.27 0.3 undecidable manual S 322 14.4744 98 -0.2 73
IV.T0110.HHZ. 2023-09-23T22:54:15.23 0.1 undecidable manual P 137 31.0467 91 -0.13 95
IV.SMA1.EHZ. 2023-09-23T22:54:14.65 0.1 undecidable manual P 326 26.4513 91 0 99
IV.TERO.HHZ. 2023-09-23T22:54:14.00 0.1 undecidable manual P 18 22.0668 91 0.02 100
IV.RM33.EHZ. 2023-09-23T22:54:14.71 0.1 undecidable manual P 289 26.2515 91 0.09 98
IV.CAMP.HHZ. 2023-09-23T22:54:13.12 0.1 undecidable manual P 322 14.4744 98 0.32 95
IV.PTQR.HHZ. 2023-09-23T22:54:12.08 0.1 undecidable manual P 46.7199 -5.7 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.2 0.000093146015 0.2816 AML other m 2023-09-23T22:54:17.57
IV.TERO.HHN. ML:0.9 0.000049799405 0.0896 AML other m 2023-09-23T22:54:17.71
IV.TERO.HNN. ML:1.3 0.0001424474 0.5504 AML other m 2023-09-23T22:54:17.71
IV.RM33.EHE. ML:0.9 0.000038959555 0.32 AML other m 2023-09-23T22:54:18.92
IV.RM33.EHN. ML:1.0 0.00005643193 0.2944 AML other m 2023-09-23T22:54:19.12
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