Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 01-06-2023 and time 18:16:12 (UTC) in region 4 km N Folignano (AP)

A magnitude ML 1.5 earthquake occured in region: 4 km N Folignano (AP), on

  • 01-06-2023 18:16:12 (UTC)
  • 01-06-2023 20:16:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 13.6360 at 27 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
Folignano AP 4 9241 9241
Ascoli Piceno AP 5 49407 58648
Maltignano AP 5 2401 61049
Appignano del Tronto AP 5 1785 62834
Castel di Lama AP 7 8634 71468
Sant'Egidio alla Vibrata TE 8 9811 81279
Castorano AP 9 2380 83659
Ancarano TE 9 1857 85516
Castignano AP 9 2796 88312
Colli del Tronto AP 10 3668 91980
Civitella del Tronto TE 10 5116 97096
Offida AP 10 5058 102154
Spinetoli AP 12 7215 109369
Venarotta AP 12 2066 111435
Torano Nuovo TE 12 1611 113046
Rotella AP 12 906 113952
Roccafluvione AP 13 2010 115962
Montedinove AP 13 488 116450
Monsampolo del Tronto AP 14 4611 121061
Montalto delle Marche AP 15 2122 123183
Cossignano AP 15 978 124161
Campli TE 15 7209 131370
Controguerra TE 15 2436 133806
Palmiano AP 15 196 134002
Nereto TE 15 5242 139244
Sant'Omero TE 16 5243 144487
Corropoli TE 17 5045 149532
Force AP 17 1354 150886
Acquaviva Picena AP 18 3831 154717
Valle Castellana TE 18 977 155694
Monteprandone AP 18 12655 168349
Bellante TE 19 7152 175501
Ripatransone AP 19 4309 179810
Colonnella TE 19 3734 183544
Monte Rinaldo FM 20 379 183923
Ortezzano FM 20 774 184697
Montelparo FM 20 778 185475
Carassai AP 20 1100 186575

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Teramo (54892 inhabitants)
57 Km NW of Montesilvano (53738 inhabitants)
60 Km NE of L'Aquila (69753 inhabitants)
64 Km NW of Pescara (121014 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
77 Km E of Foligno (57155 inhabitants)
85 Km S of Ancona (100861 inhabitants)
87 Km E of Terni (111501 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 2023-06-01
18:16:12		 42.8577 13.6362 27 2023-06-01
18:29:16		 Sala Sismica INGV-Roma 117967951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-01 18:16:12 ± 0.21
Latitude 42.8577 ± 0.0045
Longitude 13.6362 ± 0.0098
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117967951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 672
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50632
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 117967951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-01 18:29:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2023-06-01T18:16:38.57 3.0 undecidable manual Pg 0.24 0
IV.LNSS.HHZ. 2023-06-01T18:16:31.66 0.6 undecidable manual S 240 56.1993 109 0.73 39
IV.RM33.EHZ. 2023-06-01T18:16:30.29 0.6 undecidable manual S 222 51.8037 111 0.47 44
IV.FDMO.HHZ. 2023-06-01T18:16:29.18 1.0 undecidable manual S 294 48.8178 112 0.1 24
IV.CSP1.EHZ. 2023-06-01T18:16:27.81 0.6 undecidable manual S 307 43.623 115 0 48
IV.GIGS.HHZ. 2023-06-01T18:16:27.99 0.6 undecidable manual S 187 45.2214 114 -0.2 46
IV.NRCA.HHZ. 2023-06-01T18:16:27.34 0.3 undecidable manual S 267 42.5241 116 -0.21 70
IV.LNSS.HHZ. 2023-06-01T18:16:23.32 1.0 undecidable manual P 240 56.1993 109 0.07 24
IV.TERO.HHZ. 2023-06-01T18:16:23.61 0.6 undecidable manual S 186 26.1516 130 -0.27 47
IV.MMO1.EHZ. 2023-06-01T18:16:23.69 0.6 undecidable manual S 281 25.5522 131 -0.07 50
IV.FDMO.HHZ. 2023-06-01T18:16:22.14 0.6 undecidable manual P 294 48.8178 112 -0.04 48
IV.RM33.EHZ. 2023-06-01T18:16:22.65 1.0 undecidable manual P 222 51.8037 111 0.04 24
IV.OFFI.HHZ. 2023-06-01T18:16:21.41 0.6 undecidable manual S 25 9.4794 158 0.19 49
IV.NRCA.HHZ. 2023-06-01T18:16:21.23 0.6 undecidable manual P 267 42.5241 116 -0.07 48
IV.CSP1.EHZ. 2023-06-01T18:16:21.43 1.0 undecidable manual P 307 43.623 115 -0.02 24
IV.GIGS.HHZ. 2023-06-01T18:16:21.63 0.6 positive manual P 187 45.2214 114 -0.04 48
7F.SIB2.EHN. 2023-06-01T18:16:19.00 0.6 undecidable manual P 278 27.2505 129 -0.31 47
IV.TERO.HHZ. 2023-06-01T18:16:19.15 0.1 undecidable manual P 186 26.1516 130 -0.03 100
IV.MMO1.EHZ. 2023-06-01T18:16:18.93 0.3 undecidable manual P 281 25.5522 131 -0.18 73
IV.OFFI.HHZ. 2023-06-01T18:16:17.78 0.1 positive manual P 25 9.4794 158 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:1.6 0.0002058234 0.4096 AML other m 2023-06-01T18:16:21.84
IV.OFFI.HHE. ML:1.8 0.0003352168 0.384 AML other m 2023-06-01T18:16:21.95
IV.TERO.HHN. ML:1.5 0.00012135 0.24 AML other m 2023-06-01T18:16:23.77
IV.TERO.HHE. ML:1.2 0.00006631143 0.3072 AML other m 2023-06-01T18:16:24.19
IV.GUMA.HHN. ML:1.5 0.0001145 1.26 AML other m 2023-06-01T18:16:26.80
IV.GUMA.HHE. ML:1.5 0.0000963 1.26 AML other m 2023-06-01T18:16:26.80
IV.NRCA.HHN. ML:1.7 0.00013350000000000002 0.46 AML other m 2023-06-01T18:16:28.27
IV.NRCA.HHE. ML:1.4 0.00005985 1.16 AML other m 2023-06-01T18:16:28.27
IV.RM33.EHE. ML:1.1 0.00003205 1.1 AML other m 2023-06-01T18:16:30.96
IV.RM33.EHN. ML:1.1 0.0000267 0.96 AML other m 2023-06-01T18:16:31.07
IV.LAV9.HHE. ML:2.8 0.00027800000000000004 0.32 AML other m 2023-06-01T18:16:54.78
IV.LAV9.HHN. ML:2.7 0.0002405 0.08 AML other m 2023-06-01T18:17:02.14
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