Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 07-11-2023 and time 08:08:43 (UTC) in region 2 km SW Fagnano Alto (AQ)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Fagnano Alto (AQ), on

  • 07-11-2023 08:08:43 (UTC)
  • 07-11-2023 09:08:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2410, 13.5680 at 7 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
Fagnano Alto AQ 2 418 418
Fontecchio AQ 3 369 787
Villa Sant'Angelo AQ 4 424 1211
Rocca di Mezzo AQ 5 1526 2737
San Demetrio ne' Vestini AQ 5 1854 4591
Prata d'Ansidonia AQ 5 496 5087
Rocca di Cambio AQ 6 533 5620
Sant'Eusanio Forconese AQ 7 394 6014
Tione degli Abruzzi AQ 7 310 6324
Caporciano AQ 9 230 6554
Fossa AQ 9 721 7275
San Pio delle Camere AQ 9 661 7936
Ocre AQ 9 1167 9103
Poggio Picenze AQ 9 1136 10239
Barisciano AQ 10 1828 12067
Carapelle Calvisio AQ 12 87 12154
Ovindoli AQ 13 1227 13381
Castelvecchio Calvisio AQ 13 153 13534
Santo Stefano di Sessanio AQ 13 111 13645
Secinaro AQ 13 359 14004
Navelli AQ 14 554 14558
Calascio AQ 14 137 14695
Acciano AQ 14 327 15022
Gagliano Aterno AQ 17 254 15276
Capestrano AQ 17 884 16160
Celano AQ 17 11017 27177
Molina Aterno AQ 17 386 27563
Collepietro AQ 18 237 27800
Aielli AQ 18 1475 29275
San Benedetto in Perillis AQ 18 113 29388
Castelvecchio Subequo AQ 18 982 30370
L'Aquila AQ 19 69753 100123
Ofena AQ 19 506 100629
Castel del Monte AQ 19 413 101042
Cerchio AQ 20 1635 102677
Lucoli AQ 20 1011 103688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of L'Aquila (69753 inhabitants)
48 Km S of Teramo (54892 inhabitants)
51 Km W of Chieti (51815 inhabitants)
57 Km SW of Montesilvano (53738 inhabitants)
59 Km W of Pescara (121014 inhabitants)
70 Km E of Tivoli (56533 inhabitants)
74 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Terni (111501 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
97 Km E of Roma (2864731 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 2023-11-07
08:08:43		 42.2408 13.5677 7 2023-11-07
08:19:09		 Sala Sismica INGV-Roma 122877851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-07 08:08:43 ± 0.19
Latitude 42.2408 ± 0.0072
Longitude 13.5677 ± 0.0146
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122877851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1320
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
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) 0.49553
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 122877851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-07 08:19:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2023-11-07T08:09:12.89 3.0 positive manual Pn 0.46 0
IV.INTR.HHZ. 2023-11-07T08:08:57.15 0.3 undecidable manual S 132 37.629 100 0.28 69
IV.LPEL.HHZ. 2023-11-07T08:08:53.70 0.6 negative manual P 113 55.0005 50 -0.34 44
IV.RM33.EHZ. 2023-11-07T08:08:52.12 3.0 undecidable manual P -0.03 0
IV.TERO.HHZ. 2023-11-07T08:08:52.07 0.6 negative manual P 4 42.5241 50 -0.04 48
IV.GIGS.HHZ. 2023-11-07T08:08:52.26 0.3 undecidable manual S 1 23.5542 106 0.15 72
IV.INTR.HHZ. 2023-11-07T08:08:51.09 0.3 undecidable manual P 132 37.629 100 -0.17 70
IV.T0110.HHZ. 2023-11-07T08:08:49.92 0.3 undecidable manual S 94 17.1717 112 -0.09 74
IV.GIGS.HHZ. 2023-11-07T08:08:48.59 1.0 undecidable manual P 1 23.5542 106 0.08 24
IV.T0110.HHZ. 2023-11-07T08:08:47.52 0.6 negative manual P 94 17.1717 112 0.22 48
IV.FAGN.HHZ. 2023-11-07T08:08:45.91 0.3 undecidable manual S 25 3.0969 156 -0.28 73
IV.FAGN.HHZ. 2023-11-07T08:08:45.24 0.1 negative manual P 25 3.0969 156 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T0110.HHN. ML:1.5 0.000291147 0.3008 AML other m 2023-11-07T08:08:51.03
IV.T0110.HHE. ML:1.5 0.0003005 0.26 AML other m 2023-11-07T08:08:52.55
IV.GIGS.HHN. ML:0.7 0.0000288 1.36 AML other m 2023-11-07T08:08:53.69
IV.GIGS.HHE. ML:0.4 0.000014097554999999999 0.3008 AML other m 2023-11-07T08:08:55.76
IV.INTR.HHE. ML:1.1 0.00004294999 0.4992 AML other m 2023-11-07T08:09:00.62
IV.INTR.HHN. ML:1.2 0.00006505 0.42 AML other m 2023-11-07T08:09:01.33
IV.RM33.EHE. ML:1.1 0.000043678234999999994 0.384 AML other m 2023-11-07T08:09:02.17
IV.RM33.EHN. ML:1.1 0.000040813780000000004 0.1024 AML other m 2023-11-07T08:09:12.00
IV.FAGN.HHE. ML:0.0 0.007830527 0.1984 AML other m 2023-11-07T08:08:46.79
IV.FAGN.HHN. ML:0.0 0.0065832565 0.2432 AML other m 2023-11-07T08:08:47.52
IV.INTR.HNN. ML:1.6 0.00014965802 1.3184 AML other m 2023-11-07T08:09:08.58
IV.TERO.HHE. ML:0.9 0.00002578418 0.48 AML other m 2023-11-07T08:09:06.45
IV.TERO.HHN. ML:1.1 0.00003885249 1.0432 AML other m 2023-11-07T08:09:08.98
IV.TERO.HNN. ML:1.4 0.00009142713 0.7296 AML other m 2023-11-07T08:09:10.28
IV.RM33.HNE. ML:1.5 0.000110283035 0.7296 AML other m 2023-11-07T08:09:06.32
IV.RM33.HNN. ML:1.6 0.00013714899999999998 0.6592 AML other m 2023-11-07T08:09:05.97
IV.LPEL.HHE. ML:1.1 0.000030580755 0.2176 AML other m 2023-11-07T08:09:07.19
IV.LPEL.HHN. ML:1.1 0.000030227710000000003 0.2048 AML other m 2023-11-07T08:08:57.32
IV.LPEL.HNE. ML:1.6 0.00008714787 0.608 AML other m 2023-11-07T08:09:00.37
IV.LPEL.HNN. ML:1.7 0.00011855572 0.5888 AML other m 2023-11-07T08:09:17.47
OT.OT05.EHE. ML:0.0 0.00000212689 0.736 AML other m 2023-11-07T08:10:04.74
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