Earthquake with magnitude of ML 1.1 on date 28-07-2023 and time 07:54:20 (UTC) in region 2 km NE Fagnano Alto (AQ)

A magnitude ML 1.1 earthquake occured in region: 2 km NE Fagnano Alto (AQ), on

  • 28-07-2023 07:54:20 (UTC)
  • 28-07-2023 09:54:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2630, 13.5930 at 6 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
Fagnano Alto AQ 2 418 418
Prata d'Ansidonia AQ 2 496 914
Fontecchio AQ 4 369 1283
San Demetrio ne' Vestini AQ 4 1854 3137
Villa Sant'Angelo AQ 5 424 3561
San Pio delle Camere AQ 6 661 4222
Sant'Eusanio Forconese AQ 6 394 4616
Caporciano AQ 7 230 4846
Barisciano AQ 7 1828 6674
Tione degli Abruzzi AQ 7 310 6984
Poggio Picenze AQ 8 1136 8120
Rocca di Mezzo AQ 9 1526 9646
Carapelle Calvisio AQ 9 87 9733
Rocca di Cambio AQ 9 533 10266
Fossa AQ 9 721 10987
Castelvecchio Calvisio AQ 10 153 11140
Santo Stefano di Sessanio AQ 10 111 11251
Ocre AQ 10 1167 12418
Calascio AQ 11 137 12555
Navelli AQ 12 554 13109
Secinaro AQ 14 359 13468
Acciano AQ 14 327 13795
Capestrano AQ 15 884 14679
Ovindoli AQ 16 1227 15906
Ofena AQ 16 506 16412
Castel del Monte AQ 16 413 16825
Collepietro AQ 16 237 17062
San Benedetto in Perillis AQ 17 113 17175
Molina Aterno AQ 17 386 17561
Villa Santa Lucia degli Abruzzi AQ 17 123 17684
Gagliano Aterno AQ 18 254 17938
Castelvecchio Subequo AQ 18 982 18920
L'Aquila AQ 19 69753 88673
Celano AQ 20 11017 99690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of L'Aquila (69753 inhabitants)
45 Km S of Teramo (54892 inhabitants)
48 Km W of Chieti (51815 inhabitants)
54 Km SW of Montesilvano (53738 inhabitants)
56 Km W of Pescara (121014 inhabitants)
73 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 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 2023-07-28
07:54:20
42.2627 13.5927 6 2023-07-28
08:13:33
Sala Sismica INGV-Roma 119646111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-28 07:54:20 ± 0.12
Latitude 42.2627 ± 0.0054
Longitude 13.5927 ± 0.0109
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119646111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 910
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.6
Num. used stations 4
Type of magnitude ML
Reference to an origin 119646111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 08:13:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2023-07-28T07:56:04.68 3.0 undecidable manual Sn -8.89 0
HL.VLS.HHZ. 2023-07-28T07:56:00.52 3.0 undecidable manual Pg 15.05 0
IV.SOI.EHZ. 2023-07-28T07:55:53.34 3.0 undecidable manual Sn -9.99 0
4P.IT02A.HHZ. 2023-07-28T07:55:50.68 3.0 undecidable manual Pg 15.42 0
IV.SPS2.HHZ. 2023-07-28T07:55:48.94 3.0 undecidable manual Sg 5.44 0
ML.XLND.HHZ. 2023-07-28T07:55:37.08 3.0 positive manual Pn -5.97 0
IV.TDS.HHZ. 2023-07-28T07:55:33.35 3.0 undecidable manual Sg -2.35 0
GU.GRAM.HHZ. 2023-07-28T07:55:31.52 3.0 undecidable manual Pg 18.870001 0
IV.SEI.HHZ. 2023-07-28T07:55:30.77 3.0 undecidable manual Sn -3.58 0
IV.ASOL.HNZ. 2023-07-28T07:55:27.25 3.0 undecidable manual Pg 12.11 0
IV.MSRU.HHZ. 2023-07-28T07:55:26.29 3.0 positive manual Pg 12.19 0
GU.GORR.HHZ. 2023-07-28T07:55:24.42 3.0 undecidable manual Pn 4.61 0
IV.ISPIC.HHZ. 2023-07-28T07:55:23.59 3.0 positive manual Pn -9.54 0
AC.VLO.HHZ. 2023-07-28T07:55:22.39 3.0 positive manual Pn 4.02 0
ST.RONC.EHZ. 2023-07-28T07:55:20.82 3.0 undecidable manual Pn -2.72 0
IV.EPOZ.HHZ. 2023-07-28T07:55:11.03 3.0 negative manual Pn -9.99 0
MN.SENA.HHZ. 2023-07-28T07:55:10.76 3.0 undecidable manual Pn -3.54 0
IV.RUFI.EHZ. 2023-07-28T07:55:09.00 3.0 undecidable manual Pg 13.13 0
IV.SPS2.HHZ. 2023-07-28T07:55:02.81 3.0 negative manual Pn -1.27 0
IV.RIBO.EHZ.01 2023-07-28T07:54:56.31 3.0 undecidable manual Pn 2.28 0
IV.CRE.HHZ. 2023-07-28T07:54:54.93 3.0 negative manual Pg 4.36 0
IV.FDMO.HHZ. 2023-07-28T07:54:38.56 3.0 positive manual Pg 1.76 0
IV.NRCA.HHZ. 2023-07-28T07:54:38.29 3.0 undecidable manual S 74.4699 -6.07 0
IV.NRCA.HHZ. 2023-07-28T07:54:37.15 3.0 undecidable manual P 74.4699 2.72 0
IV.GUMA.HHZ. 2023-07-28T07:54:37.48 3.0 negative manual Pg 2 0
IV.SNAL.HNZ. 2023-07-28T07:54:36.02 3.0 undecidable manual Pg -2.7 0
IV.RCAV.EHZ. 2023-07-28T07:54:35.69 3.0 negative manual Pg 2.26 0
IV.FIAM.HHZ. 2023-07-28T07:54:34.08 3.0 negative manual Pg 3.56 0
IV.PTQR.HHE. 2023-07-28T07:54:31.52 1.0 undecidable manual S 211 31.0467 101 -0.28 23
IV.SMA1.EHZ. 2023-07-28T07:54:30.09 0.6 negative manual P 333 45.9207 50 0.06 47
IV.VVLD.HHZ. 2023-07-28T07:54:29.89 0.6 undecidable manual P 177 43.623 98 0.21 46
IV.INTR.HHZ. 2023-07-28T07:54:28.07 0.1 undecidable manual P 137 37.8288 99 -0.46 88
IV.GIUL.HHZ. 2023-07-28T07:54:28.41 3.0 negative manual P -3.57 0
IV.GIGS.HHZ. 2023-07-28T07:54:28.32 0.6 undecidable manual S 356 21.1677 105 -0.16 48
IV.RM33.EHZ. 2023-07-28T07:54:28.93 1.0 undecidable manual P 312 41.3253 98 -0.28 23
IV.TERO.HHZ. 2023-07-28T07:54:28.39 1.0 undecidable manual P 1 39.9267 98 -0.56 21
IV.PTQR.HHE. 2023-07-28T07:54:27.43 1.0 undecidable manual P 211 31.0467 101 0.25 23
IV.T0110.HHZ. 2023-07-28T07:54:27.05 1.0 undecidable manual S 104 15.4734 110 0.45 23
MN.AQU.HHN. 2023-07-28T07:54:25.18 0.6 undecidable manual P 303 18.4704 107 0.45 45
IV.GIGS.HHZ. 2023-07-28T07:54:25.27 0.6 undecidable manual P 356 21.1677 105 0.01 50
IV.T0110.HHZ. 2023-07-28T07:54:24.62 0.6 positive manual P 104 15.4734 110 0.45 46
IV.FAGN.HHZ. 2023-07-28T07:54:22.71 0.3 undecidable manual S 295 0.7992 172 -0.16 75
IV.FAGN.HHZ. 2023-07-28T07:54:22.17 0.1 negative manual P 295 0.7992 172 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHN. ML:0.0 0.0106669215 0.3264 AML other m 2023-07-28T07:54:23.30
IV.FAGN.HHE. ML:0.0 0.00760356 0.6976 AML other m 2023-07-28T07:54:23.01
IV.T0110.HHN. ML:0.0 0.00047674349999999997 0.3584 AML other m 2023-07-28T07:54:27.93
IV.T0110.HHE. ML:0.0 0.0003844984 0.2432 AML other m 2023-07-28T07:54:28.23
IV.GIGS.HHN. ML:0.7 0.000038293109999999995 0.6784 AML other m 2023-07-28T07:54:28.63
IV.GIGS.HHE. ML:0.5 0.000025540949999999998 2.2016 AML other m 2023-07-28T07:54:28.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download