Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-05-2023 and time 22:08:17 (Italy) in region 1 km E Barete (AQ)

A magnitude ML 1.9 earthquake occured in region: 1 km E Barete (AQ), on

  • 04-05-2023 20:08:17 (UTC)
  • 04-05-2023 22:08:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4520, 13.2950 at 15 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
Barete AQ 1 737 737
Pizzoli AQ 2 4326 5063
Cagnano Amiterno AQ 6 1369 6432
Capitignano AQ 8 665 7097
Montereale AQ 9 2581 9678
Scoppito AQ 9 3727 13405
Campotosto AQ 13 542 13947
L'Aquila AQ 14 69753 83700
Borbona RI 15 617 84317
Tornimparte AQ 18 3187 87504
Antrodoco RI 18 2588 90092
Posta RI 18 694 90786
Lucoli AQ 18 1011 91797
Crognaleto TE 19 1297 93094
Micigliano RI 20 127 93221
Amatrice RI 20 2657 95878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
76 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
98 Km E of Viterbo (67173 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 1.9 2023-05-04
20:08:17		 42.4522 13.2948 15 2023-05-04
20:15:11		 Sala Sismica INGV-Roma 117029211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-04 20:08:17 ± 0.07
Latitude 42.4522 ± 0.0027
Longitude 13.2948 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117029211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59265
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 74
Type of magnitude ML
Reference to an origin 117029211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-04 20:15:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-05-04T20:08:51.58 3.0 undecidable manual S 0.59 0
IV.ARVD.HHZ. 2023-05-04T20:08:50.99 3.0 undecidable manual S -2.33 0
IV.CING.HHZ. 2023-05-04T20:08:50.04 3.0 undecidable manual S 0.39 0
IV.ASSB.HHZ. 2023-05-04T20:08:43.60 3.0 undecidable manual S -0.32 0
IV.LPEL.HHZ. 2023-05-04T20:08:42.81 3.0 undecidable manual S -2.38 0
IV.MML1.EHZ. 2023-05-04T20:08:42.46 3.0 undecidable manual S 0.14 0
IV.MPAG.EHZ. 2023-05-04T20:08:40.50 3.0 undecidable manual P 0.72 0
IV.FDMO.HHZ. 2023-05-04T20:08:39.14 3.0 undecidable manual S 0.04 0
IV.MOMA.HHZ. 2023-05-04T20:08:39.78 3.0 undecidable manual S -0.37 0
IV.CSP1.EHZ. 2023-05-04T20:08:39.29 3.0 undecidable manual S -1.13 0
IV.CESX.HHZ. 2023-05-04T20:08:36.50 3.0 undecidable manual S -0.57 0
IV.MGAB.HHZ. 2023-05-04T20:08:36.37 3.0 positive manual P 0.13 0
IV.GIUL.HHZ. 2023-05-04T20:08:36.89 3.0 negative manual P 1.82 0
IV.CING.HHZ. 2023-05-04T20:08:35.23 3.0 negative manual P -0.26 0
IV.SNTG.HHZ. 2023-05-04T20:08:34.18 3.0 negative manual P 0.2 0
IV.ATCC.EHZ. 2023-05-04T20:08:34.42 3.0 undecidable manual P -0.14 0
IV.EL6.EHZ. 2023-05-04T20:08:34.27 3.0 positive manual P -0.56 0
IV.ASSB.HHZ. 2023-05-04T20:08:32.62 3.0 negative manual P 0.35 0
IV.GAVE.EHZ. 2023-05-04T20:08:31.40 0.3 undecidable manual S 309 42.2244 98 0.22 69
IV.LPEL.HHZ. 2023-05-04T20:08:31.69 3.0 positive manual P -1.29 0
IV.ARRO.EHZ. 2023-05-04T20:08:31.63 0.3 undecidable manual S 288 45.5211 97 -0.43 65
IV.NRCA.HHZ. 2023-05-04T20:08:31.94 0.3 undecidable manual S 341 44.8218 97 0.06 70
IV.MOMA.HHZ. 2023-05-04T20:08:29.89 3.0 undecidable manual P -0.26 0
IV.MTCE.HHZ. 2023-05-04T20:08:29.05 0.3 undecidable manual P 224 65.7897 94 0.07 68
IV.CSP1.EHZ. 2023-05-04T20:08:29.93 3.0 negative manual P -0.37 0
IV.GUMA.HHZ. 2023-05-04T20:08:29.82 3.0 positive manual P 0.08 0
IV.INTR.HHZ. 2023-05-04T20:08:29.58 3.0 negative manual P -0.76 0
IV.FDMO.HHZ. 2023-05-04T20:08:29.20 3.0 negative manual P -0.36 0
IV.CESI.HHZ. 2023-05-04T20:08:29.68 3.0 positive manual P -0.2 0
IV.MTRA.HNZ. 2023-05-04T20:08:29.01 0.3 undecidable manual S 14 34.743 100 -0.22 70
IV.CERT.HHZ. 2023-05-04T20:08:29.21 0.6 undecidable manual P 205 61.494 95 0.9 36
IV.TERO.HHZ. 2023-05-04T20:08:28.05 0.3 undecidable manual S 53 31.5462 102 -0.34 69
IV.CESX.HHZ. 2023-05-04T20:08:28.05 3.0 negative manual P -0.37 0
IV.PTQR.HHZ. 2023-05-04T20:08:26.22 0.1 undecidable manual P 170 48.5181 96 -0.1 92
IV.T0110.HHZ. 2023-05-04T20:08:26.11 0.1 undecidable manual P 122 46.62 97 0.09 93
IV.FIAM.HHZ. 2023-05-04T20:08:26.45 0.3 undecidable manual S 216 25.0527 107 -0.26 69
IV.MMO1.EHZ. 2023-05-04T20:08:26.47 0.1 undecidable manual P 3 49.7169 96 -0.03 94
IV.LNSS.HHZ. 2023-05-04T20:08:26.98 0.3 undecidable manual S 309 26.6511 105 -0.14 71
IV.ARRO.EHZ. 2023-05-04T20:08:25.74 0.1 undecidable manual P 288 45.5211 97 -0.12 93
IV.SMA1.EHZ. 2023-05-04T20:08:25.74 0.3 undecidable manual S 9 20.0688 114 0.29 70
IV.NRCA.HHZ. 2023-05-04T20:08:25.72 0.1 undecidable manual P 341 44.8218 97 -0.03 95
IV.GIGS.HHZ. 2023-05-04T20:08:25.84 0.3 undecidable manual S 90 22.755 110 -0.27 71
IV.GAVE.EHZ. 2023-05-04T20:08:25.35 0.1 undecidable manual P 309 42.2244 98 0 96
IV.MTRA.HNZ. 2023-05-04T20:08:24.14 0.1 undecidable manual P 14 34.743 100 -0.09 96
MN.AQU.HHE. 2023-05-04T20:08:24.14 0.6 undecidable manual S 140 14.1747 126 0.06 50
IV.LNSS.HHZ. 2023-05-04T20:08:23.06 0.1 undecidable manual P 309 26.6511 105 0.05 98
IV.TERO.HHZ. 2023-05-04T20:08:23.72 0.1 undecidable manual P 53 31.5462 102 -0.02 97
IV.CAMP.HHZ. 2023-05-04T20:08:23.96 0.3 undecidable manual S 45 13.1757 129 0.09 74
IV.FIAM.HHZ. 2023-05-04T20:08:22.71 0.1 undecidable manual P 216 25.0527 107 -0.06 97
IV.SMA1.EHZ. 2023-05-04T20:08:22.26 0.1 undecidable manual P 9 20.0688 114 0.22 95
IV.RM33.EHZ. 2023-05-04T20:08:22.93 0.3 undecidable manual S 314 9.0798 142 -0.18 72
IV.GIGS.HHZ. 2023-05-04T20:08:22.38 0.1 undecidable manual P 90 22.755 110 -0.05 99
IV.CAMP.HHZ. 2023-05-04T20:08:21.34 0.1 undecidable manual P 45 13.1757 129 0.21 96
MN.AQU.HHE. 2023-05-04T20:08:21.33 0.3 undecidable manual P 140 14.1747 126 0.08 75
IV.RM33.EHZ. 2023-05-04T20:08:20.80 0.1 undecidable manual P 314 9.0798 142 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.2 0.0016011894999999998 0.2432 AML other m 2023-05-04T20:08:23.18
IV.RM33.EHN. ML:2.2 0.0015750000000000002 0.24 AML other m 2023-05-04T20:08:23.18
IV.RM33.HNE. ML:2.2 0.0015750000000000002 0.14 AML other m 2023-05-04T20:08:23.36
IV.RM33.EHE. ML:2.2 0.001565 0.14 AML other m 2023-05-04T20:08:23.37
IV.CAMP.HHE. ML:1.4 0.00023941913 0.1792 AML other m 2023-05-04T20:08:24.14
IV.CAMP.HHN. ML:1.6 0.000344819 0.3328 AML other m 2023-05-04T20:08:24.95
IV.GIGS.HHN. ML:1.6 0.000256 0.14 AML other m 2023-05-04T20:08:26.78
IV.GIGS.HHE. ML:1.4 0.00014050000000000003 0.18 AML other m 2023-05-04T20:08:27.13
IV.FIAM.HNN. ML:1.7 0.00026182939999999996 0.1792 AML other m 2023-05-04T20:08:27.55
IV.FIAM.HHN. ML:1.7 0.00025645705 0.1664 AML other m 2023-05-04T20:08:27.55
IV.TERO.HHN. ML:1.8 0.0002395 0.16 AML other m 2023-05-04T20:08:28.45
IV.TERO.HHE. ML:1.7 0.0001933767 0.1408 AML other m 2023-05-04T20:08:29.93
IV.LNSS.HHE. ML:1.9 0.0003871002 0.1408 AML other m 2023-05-04T20:08:29.13
IV.LNSS.HHN. ML:2.0 0.0005035573 0.1792 AML other m 2023-05-04T20:08:27.65
IV.FIAM.HHE. ML:1.7 0.000248 0.38 AML other m 2023-05-04T20:08:31.62
IV.FIAM.HNE. ML:1.9 0.0004 0.4 AML other m 2023-05-04T20:08:31.61
IV.NRCA.HHE. ML:2.2 0.00052030325 0.1408 AML other m 2023-05-04T20:08:32.45
IV.NRCA.HHN. ML:2.1 0.0003795 0.1 AML other m 2023-05-04T20:08:33.66
IV.GAVE.EHN. ML:2.0 0.00029949999999999996 0.22 AML other m 2023-05-04T20:08:33.71
IV.GAVE.EHE. ML:2.0 0.000279 0.18 AML other m 2023-05-04T20:08:33.98
IV.PTQR.HHE. ML:1.6 0.00010020000000000001 0.4 AML other m 2023-05-04T20:08:34.37
IV.PTQR.HHN. ML:1.4 0.0000611158 0.4608 AML other m 2023-05-04T20:08:33.60
IV.ARRO.EHE. ML:1.9 0.00020750000000000003 0.18 AML other m 2023-05-04T20:08:35.16
IV.ARRO.EHN. ML:1.8 0.0001815 0.22 AML other m 2023-05-04T20:08:35.30
IV.T0110.HHE. ML:2.0 0.0002950648 0.4992 AML other m 2023-05-04T20:08:39.45
IV.T0110.HHN. ML:2.1 0.00036850000000000007 0.32 AML other m 2023-05-04T20:08:36.98
IV.CERT.HNN. ML:2.1 0.000222879 0.3584 AML other m 2023-05-04T20:08:38.57
IV.CESX.HHN. ML:1.9 0.000167 0.5 AML other m 2023-05-04T20:08:38.43
IV.CESX.HHE. ML:1.9 0.0001499303 0.4352 AML other m 2023-05-04T20:08:39.30
IV.CERT.HHN. ML:1.9 0.00016599999999999997 0.46 AML other m 2023-05-04T20:08:38.57
IV.CERT.HNE. ML:2.1 0.00023649999999999998 1.58 AML other m 2023-05-04T20:08:39.10
IV.GUMA.HNE. ML:2.1 0.0001927694 0.2816 AML other m 2023-05-04T20:08:43.36
IV.CERT.HHE. ML:1.6 0.0000705 0.44 AML other m 2023-05-04T20:08:39.66
IV.CESI.HHE. ML:1.6 0.00007187503 0.2432 AML other m 2023-05-04T20:08:40.35
IV.FDMO.HHN. ML:1.6 0.0000722 0.14 AML other m 2023-05-04T20:08:40.61
IV.CESI.HHN. ML:1.9 0.00013729015 0.3584 AML other m 2023-05-04T20:08:40.56
IV.GUMA.HHN. ML:2.1 0.00023449999999999998 0.24 AML other m 2023-05-04T20:08:40.62
IV.FDMO.HHE. ML:1.7 0.00007994999999999999 0.64 AML other m 2023-05-04T20:08:41.06
IV.CSP1.EHE. ML:2.2 0.00023199999999999997 0.32 AML other m 2023-05-04T20:08:41.18
IV.MOMA.HHN. ML:1.6 0.00006595 0.32 AML other m 2023-05-04T20:08:41.26
IV.GUMA.HHE. ML:2.2 0.0002895 0.42 AML other m 2023-05-04T20:08:42.20
IV.INTR.HHN. ML:1.7 0.000086562525 0.4608 AML other m 2023-05-04T20:08:47.72
IV.CSP1.EHN. ML:2.1 0.0002213195 0.192 AML other m 2023-05-04T20:08:42.44
IV.INTR.HHE. ML:1.6 0.0000621 1.1 AML other m 2023-05-04T20:08:42.17
IV.MTCE.HHN. ML:1.4 0.000047045365 0.4736 AML other m 2023-05-04T20:08:45.90
IV.MTCE.HHE. ML:1.5 0.00006130593000000001 0.384 AML other m 2023-05-04T20:08:43.58
IV.MOMA.HHE. ML:1.8 0.00011057956499999999 0.2432 AML other m 2023-05-04T20:08:46.32
IV.GUMA.HNN. ML:2.1 0.00020834905 0.256 AML other m 2023-05-04T20:08:42.05
IV.ASSB.HHE. ML:1.6 0.000053313915000000006 0.2048 AML other m 2023-05-04T20:08:46.69
IV.ASSB.HHN. ML:1.7 0.0000615486 0.2048 AML other m 2023-05-04T20:08:47.06
IV.SNTG.HHN. ML:1.4 0.000032149999999999995 1 AML other m 2023-05-04T20:08:48.04
IV.ATCC.EHN. ML:1.7 0.000047850000000000004 0.3 AML other m 2023-05-04T20:08:52.17
IV.SNTG.HHE. ML:1.4 0.00002349959 0.1408 AML other m 2023-05-04T20:08:47.80
IV.ATCC.EHE. ML:1.6 0.00004508632 0.5376 AML other m 2023-05-04T20:08:54.21
IV.LNSS.HNE. ML:1.8 0.00033457360000000005 0.128 AML other m 2023-05-04T20:08:29.13
IV.LNSS.HNN. ML:2.0 0.00046671855 0.192 AML other m 2023-05-04T20:08:27.66
IV.TERO.HNE. ML:1.7 0.00023192445000000002 0.1152 AML other m 2023-05-04T20:08:29.81
IV.TERO.HNN. ML:1.7 0.00022615455 0.192 AML other m 2023-05-04T20:08:28.45
IV.GAVE.HNE. ML:1.9 0.00024852851 0.1792 AML other m 2023-05-04T20:08:33.97
IV.GAVE.HNN. ML:1.8 0.00021896475 0.896 AML other m 2023-05-04T20:08:28.50
IV.NRCA.HNE. ML:2.2 0.00048580095 0.128 AML other m 2023-05-04T20:08:33.06
IV.NRCA.HNN. ML:2.1 0.00035835744999999995 0.1408 AML other m 2023-05-04T20:08:32.48
IV.INTR.HNE. ML:1.8 0.00009786350500000001 0.6144 AML other m 2023-05-04T20:08:39.78
IV.INTR.HNN. ML:2.0 0.00014699785000000002 0.5888 AML other m 2023-05-04T20:08:44.00
IV.CESI.HNE. ML:1.9 0.00012593725 0.8448 AML other m 2023-05-04T20:08:58.39
IV.CESI.HNN. ML:2.0 0.00014943686 0.5248 AML other m 2023-05-04T20:08:48.27
IV.MOMA.HNE. ML:1.9 0.000140454725 0.256 AML other m 2023-05-04T20:08:46.44
IV.MOMA.HNN. ML:2.1 0.000195312735 0.32 AML other m 2023-05-04T20:08:41.27
IV.SNTG.HNE. ML:2.0 0.00010052449499999999 0.8704 AML other m 2023-05-04T20:08:51.71
IV.SNTG.HNN. ML:2.1 0.00012306167 0.6784 AML other m 2023-05-04T20:08:56.28
IV.EL6.EHE. ML:2.0 0.00008823401 0.3456 AML other m 2023-05-04T20:08:52.56
IV.EL6.EHN. ML:1.9 0.00008321215499999999 0.32 AML other m 2023-05-04T20:08:54.04
IV.ATCC.HNE. ML:2.1 0.00012520155 0.6656 AML other m 2023-05-04T20:08:42.11
IV.ATCC.HNN. ML:2.0 0.00010560949 0.8704 AML other m 2023-05-04T20:08:36.28
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