Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 18-06-2023 and time 04:40:07 (Italy) in region 2 km NE Ancarano (TE)

A magnitude ML 1.2 earthquake occured in region: 2 km NE Ancarano (TE), on

  • 18-06-2023 02:40:07 (UTC)
  • 18-06-2023 04:40:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 13.7540 at 33 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
Ancarano TE 2 1857 1857
Colli del Tronto AP 3 3668 5525
Castel di Lama AP 4 8634 14159
Spinetoli AP 4 7215 21374
Torano Nuovo TE 4 1611 22985
Sant'Egidio alla Vibrata TE 5 9811 32796
Castorano AP 5 2380 35176
Monsampolo del Tronto AP 6 4611 39787
Controguerra TE 6 2436 42223
Maltignano AP 6 2401 44624
Nereto TE 7 5242 49866
Corropoli TE 7 5045 54911
Appignano del Tronto AP 9 1785 56696
Sant'Omero TE 9 5243 61939
Colonnella TE 10 3734 65673
Monteprandone AP 10 12655 78328
Offida AP 10 5058 83386
Folignano AP 11 9241 92627
Acquaviva Picena AP 11 3831 96458
Civitella del Tronto TE 12 5116 101574
Bellante TE 13 7152 108726
Martinsicuro TE 14 16033 124759
Alba Adriatica TE 14 12353 137112
Castignano AP 14 2796 139908
San Benedetto del Tronto AP 14 47303 187211
Tortoreto TE 14 11542 198753
Ascoli Piceno AP 14 49407 248160
Cossignano AP 15 978 249138
Campli TE 15 7209 256347
Ripatransone AP 16 4309 260656
Mosciano Sant'Angelo TE 16 9308 269964
Grottammare AP 17 16006 285970
Montedinove AP 19 488 286458
Montalto delle Marche AP 19 2122 288580
Rotella AP 19 906 289486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Teramo (54892 inhabitants)
50 Km NW of Montesilvano (53738 inhabitants)
58 Km NW of Pescara (121014 inhabitants)
63 Km NE of L'Aquila (69753 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
86 Km E of Foligno (57155 inhabitants)
87 Km S of Ancona (100861 inhabitants)
96 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 1.2 2023-06-18
02:40:07		 42.8572 13.7542 33 2023-06-18
02:53:49		 Sala Sismica INGV-Roma 118505391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-18 02:40:07 ± 0.29
Latitude 42.8572 ± 0.0126
Longitude 13.7542 ± 0.0209
Depth (km) 33 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118505391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1610
Semi-minor axis of confidence ellipse (meter) 994
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63852
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 118505391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-18 02:53:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-06-18T02:40:31.39 3.0 undecidable manual S 0 0
IV.NRCA.HHZ. 2023-06-18T02:40:26.31 0.6 undecidable manual S 267 52.1034 118 0.65 44
IV.CSP1.EHZ. 2023-06-18T02:40:25.65 0.6 undecidable manual S 300 51.6039 118 0.1 47
IV.GUMA.HHZ. 2023-06-18T02:40:22.86 0.6 undecidable manual S 304 40.9257 125 -0.25 47
IV.MMO1.EHZ. 2023-06-18T02:40:21.55 0.6 undecidable manual S 278 35.0427 130 -0.31 45
IV.CESI.HHZ. 2023-06-18T02:40:21.09 0.1 undecidable manual P 284 70.8735 110 0.33 86
IV.MML1.EHZ. 2023-06-18T02:40:20.65 0.3 undecidable manual P 294 69.5748 111 0.09 68
IV.MNTT.EHE. 2023-06-18T02:40:20.65 0.1 undecidable manual S 331 26.0517 139 0.51 88
IV.MF5.EHZ. 2023-06-18T02:40:19.90 0.6 undecidable manual S 301 27.9498 136 -0.57 43
IV.NRCA.HHZ. 2023-06-18T02:40:18.22 0.1 undecidable manual P 267 52.1034 118 0.11 96
IV.FDMO.HHZ. 2023-06-18T02:40:18.86 0.1 negative manual P 290 57.6978 115 -0.01 95
IV.CSP1.EHZ. 2023-06-18T02:40:17.96 0.1 negative manual P 300 51.6039 118 -0.08 97
IV.GUMA.HHZ. 2023-06-18T02:40:16.58 0.1 negative manual P 304 40.9257 125 -0.05 98
IV.MMO1.EHZ. 2023-06-18T02:40:15.63 0.1 negative manual P 278 35.0427 130 -0.28 94
IV.TERO.HHZ. 2023-06-18T02:40:15.44 3.0 undecidable manual P 0.06 0
IV.MNTT.EHE. 2023-06-18T02:40:14.67 0.1 undecidable manual P 331 26.0517 139 -0.25 100
IV.MF5.EHZ. 2023-06-18T02:40:14.80 0.3 negative manual P 301 27.9498 136 -0.31 72
IV.TRTR.HHZ. 2023-06-18T02:40:13.95 1.0 undecidable manual P 113 14.0748 155 0.05 26
IV.OFFI.HHZ. 2023-06-18T02:40:12.13 3.0 negative manual P -0.23 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.7 0.000219 0.48 AML other m 2023-06-18T02:40:15.51
IV.OFFI.HHN. ML:1.7 0.0001995 1.58 AML other m 2023-06-18T02:40:16.00
IV.TERO.HHN. ML:1.0 0.0000369 0.12 AML other m 2023-06-18T02:40:21.97
IV.MMO1.EHN. ML:1.0 0.00002765 0.72 AML other m 2023-06-18T02:40:22.69
IV.TERO.HHE. ML:1.1 0.00003765 0.66 AML other m 2023-06-18T02:40:22.72
IV.MMO1.EHE. ML:1.0 0.000029199999999999998 0.44 AML other m 2023-06-18T02:40:22.92
IV.GUMA.HHE. ML:1.4 0.00006819999999999999 0.42 AML other m 2023-06-18T02:40:23.41
IV.GUMA.HHN. ML:1.4 0.0000605 0.38 AML other m 2023-06-18T02:40:23.68
IV.NRCA.HHN. ML:1.3 0.00003895 0.14 AML other m 2023-06-18T02:40:26.96
IV.NRCA.HHE. ML:1.1 0.000023199999999999998 1.42 AML other m 2023-06-18T02:40:27.07
IV.MML1.EHN. ML:1.0 0.000014405 1.42 AML other m 2023-06-18T02:40:31.99
IV.MML1.EHE. ML:0.8 0.00000967 0.42 AML other m 2023-06-18T02:40:34.73
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