Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-05-2023 and time 06:33:40 (Italy) in region 6 km S Tornimparte (AQ)

A magnitude ML 1.5 earthquake occured in region: 6 km S Tornimparte (AQ), on

  • 07-05-2023 04:33:40 (UTC)
  • 07-05-2023 06:33:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2380, 13.2820 at 9 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
Borgorose RI 6 4591 4591
Tornimparte AQ 6 3187 7778
Lucoli AQ 8 1011 8789
Pescorocchiano RI 11 2075 10864
Fiamignano RI 13 1413 12277
Scoppito AQ 15 3727 16004
L'Aquila AQ 16 69753 85757
Sante Marie AQ 16 1166 86923
Ocre AQ 17 1167 88090
Massa d'Albe AQ 17 1476 89566
Rocca di Cambio AQ 17 533 90099
Magliano de' Marsi AQ 18 3690 93789
Fossa AQ 18 721 94510
Petrella Salto RI 19 1197 95707
Tagliacozzo AQ 19 6889 102596
Marcetelli RI 19 89 102685
Nespolo RI 20 246 102931
Rocca di Mezzo AQ 20 1526 104457
Scurcola Marsicana AQ 20 2824 107281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of L'Aquila (69753 inhabitants)
50 Km NE of Tivoli (56533 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km SW of Teramo (54892 inhabitants)
63 Km SE of Terni (111501 inhabitants)
74 Km W of Chieti (51815 inhabitants)
74 Km NE of Velletri (53303 inhabitants)
76 Km NE of Roma (2864731 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
89 Km NE of Aprilia (73446 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
91 Km NE of Latina (125985 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
99 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 1.5 2023-05-07
04:33:40		 42.2375 13.2822 9 2023-05-07
04:39:43		 Sala Sismica INGV-Roma 117107131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-07 04:33:40 ± 0.07
Latitude 42.2375 ± 0.0099
Longitude 13.2822 ± 0.0121
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117107131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1404
Semi-minor axis of confidence ellipse (meter) 354
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 117107131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-07 04:39:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-05-07T04:34:02.31 0.3 undecidable manual S 348 67.4769 50 0.52 62
IV.ATCC.EHZ. 2023-05-07T04:33:58.25 3.0 positive manual P -0.31 0
IV.LNSS.HHZ. 2023-05-07T04:33:55.88 0.1 undecidable manual S 334 45.1215 50 0.08 95
IV.T0110.HHZ. 2023-05-07T04:33:54.92 0.3 undecidable manual S 91 40.626 50 0.32 68
IV.CAMP.HHZ. 2023-05-07T04:33:52.76 0.3 undecidable manual S 17 34.6431 50 -0.26 70
IV.GIGS.HHZ. 2023-05-07T04:33:52.70 0.3 undecidable manual S 45 33.744 50 -0.08 72
IV.NRCA.HHZ. 2023-05-07T04:33:52.99 0.1 undecidable manual P 348 67.4769 50 0.04 91
IV.RM33.EHZ. 2023-05-07T04:33:51.57 0.3 undecidable manual S 350 30.6471 50 -0.37 68
IV.PTQR.HHZ. 2023-05-07T04:33:50.32 0.3 undecidable manual S 158 25.8519 110 -0.07 73
IV.LNSS.HHZ. 2023-05-07T04:33:49.21 0.3 undecidable manual P 334 45.1215 50 -0.29 68
IV.SMA1.EHZ. 2023-05-07T04:33:49.33 0.3 undecidable manual P 6 43.8228 50 0.03 72
IV.T0110.HHZ. 2023-05-07T04:33:48.80 0.3 undecidable manual P 91 40.626 50 0 73
IV.CAMP.HHZ. 2023-05-07T04:33:48.20 0.3 undecidable manual P 17 34.6431 50 0.31 69
IV.RM33.EHZ. 2023-05-07T04:33:47.05 0.1 undecidable manual P 350 30.6471 50 -0.21 94
IV.GIGS.HHZ. 2023-05-07T04:33:47.74 0.3 undecidable manual P 45 33.744 50 -0.01 73
IV.FIAM.HHZ. 2023-05-07T04:33:46.75 0.1 undecidable manual S 284 13.9749 123 0.07 100
IV.PTQR.HHZ. 2023-05-07T04:33:46.28 0.1 undecidable manual P 158 25.8519 110 -0.09 97
IV.FIAM.HHZ. 2023-05-07T04:33:44.32 0.1 positive manual P 284 13.9749 123 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHE. ML:1.7 0.0005655 0.38 AML other m 2023-05-07T04:33:49.77
IV.FIAM.HHN. ML:1.9 0.0008 0.26 AML other m 2023-05-07T04:33:49.87
IV.FIAM.HNN. ML:1.9 0.0007875 0.26 AML other m 2023-05-07T04:33:49.74
IV.FIAM.HNE. ML:1.9 0.0007909999999999999 0.96 AML other m 2023-05-07T04:33:50.77
IV.PTQR.HHN. ML:1.1 0.0000717 0.88 AML other m 2023-05-07T04:33:52.80
IV.PTQR.HHE. ML:1.3 0.0001245 0.9 AML other m 2023-05-07T04:33:53.28
IV.CAMP.HHN. ML:1.3 0.00007815 0.32 AML other m 2023-05-07T04:33:55.92
IV.GIGS.HHE. ML:0.9 0.000033799999999999995 0.42 AML other m 2023-05-07T04:33:55.82
IV.GIGS.HHN. ML:1.0 0.0000405 0.42 AML other m 2023-05-07T04:33:55.83
IV.RM33.EHN. ML:1.6 0.0002 1.74 AML other m 2023-05-07T04:33:55.01
IV.CAMP.HHE. ML:1.2 0.00007045 1.7 AML other m 2023-05-07T04:33:56.93
IV.T0110.HHN. ML:1.5 0.00010799999999999998 0.42 AML other m 2023-05-07T04:33:56.14
IV.RM33.EHE. ML:1.5 0.000152 0.86 AML other m 2023-05-07T04:33:57.00
IV.T0110.HHE. ML:1.6 0.0001246 0.54 AML other m 2023-05-07T04:33:58.27
IV.SMA1.EHN. ML:1.6 0.0001107 0.74 AML other m 2023-05-07T04:34:00.23
IV.SMA1.EHE. ML:1.6 0.0001295 0.34 AML other m 2023-05-07T04:34:00.45
IV.LNSS.HHE. ML:1.4 0.00008560000000000001 1.38 AML other m 2023-05-07T04:34:03.81
IV.LNSS.HHN. ML:1.5 0.00009164999999999999 0.58 AML other m 2023-05-07T04:34:04.61
IV.NRCA.HHE. ML:1.5 0.000048 0.72 AML other m 2023-05-07T04:34:05.22
IV.NRCA.HHN. ML:1.3 0.0000353 0.12 AML other m 2023-05-07T04:34:06.14
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