Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 16-06-2021 and time 22:01:55 (Italy) in region 5 km SW Ovindoli (AQ)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Ovindoli (AQ), on

  • 16-06-2021 20:01:55 (UTC)
  • 16-06-2021 22:01:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0940, 13.4810 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Ovindoli AQ 6 1227 1227
Celano AQ 6 11017 12244
Massa d'Albe AQ 7 1476 13720
Avezzano AQ 8 42515 56235
Aielli AQ 9 1475 57710
Magliano de' Marsi AQ 10 3690 61400
Cerchio AQ 11 1635 63035
Scurcola Marsicana AQ 12 2824 65859
Collarmele AQ 13 894 66753
Rocca di Mezzo AQ 13 1526 68279
Luco dei Marsi AQ 15 6079 74358
San Benedetto dei Marsi AQ 15 3909 78267
Trasacco AQ 16 6246 84513
Capistrello AQ 16 5252 89765
Rocca di Cambio AQ 16 533 90298
Pescina AQ 17 4133 94431
Castellafiume AQ 17 1106 95537
Secinaro AQ 18 359 95896
Canistro AQ 18 995 96891
Tione degli Abruzzi AQ 18 310 97201
Fontecchio AQ 19 369 97570
Gagliano Aterno AQ 19 254 97824
Tagliacozzo AQ 19 6889 104713
Cappadocia AQ 19 528 105241
Fagnano Alto AQ 20 418 105659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km S of L'Aquila (69753 inhabitants)
58 Km E of Tivoli (56533 inhabitants)
63 Km E of Guidonia Montecelio (88673 inhabitants)
64 Km W of Chieti (51815 inhabitants)
66 Km S of Teramo (54892 inhabitants)
72 Km SW of Montesilvano (53738 inhabitants)
73 Km SW of Pescara (121014 inhabitants)
74 Km NE of Velletri (53303 inhabitants)
84 Km NE of Latina (125985 inhabitants)
85 Km E of Roma (2864731 inhabitants)
86 Km SE of Terni (111501 inhabitants)
88 Km NE of Aprilia (73446 inhabitants)
94 Km NE of Pomezia (62966 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
Bulletin
Rev1000 		ML 1.2 2021-06-16
20:01:55		 42.0937 13.4807 10 2021-12-29
11:12:40		 Bollettino Sismico Italiano INGV 96982041
Reviewed
Rev100 		ML 1.2 2021-06-16
20:01:55		 42.0922 13.4778 10 2021-06-16
20:20:39		 Sala Sismica INGV-Roma 91415641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-16 20:01:55 ± 0.1
Latitude 42.0937 ± 0.0045
Longitude 13.4807 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96982041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 543
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.45955
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 96982041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-25 14:46:55

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 91415641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-16 20:20:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNE. 2021-06-16T20:02:12.49 0.6 undecidable manual S 335 51.0156 50 1.09 34
IV.VCEL.EHZ. 2021-06-16T20:02:10.36 0.3 undecidable manual S 41 44.622 50 0.66 63
IV.CERT.HHZ. 2021-06-16T20:02:09.61 0.6 undecidable manual S 249 44.1225 50 0.04 49
IV.GIGS.HHN. 2021-06-16T20:02:09.20 0.6 undecidable manual S 11 40.626 50 0.57 44
IV.INTR.HHZ. 2021-06-16T20:02:07.44 0.6 undecidable manual S 104 36.1416 50 0.01 50
IV.FIAM.HNN. 2021-06-16T20:02:07.78 0.6 undecidable manual S 303 35.6421 50 0.49 46
IV.GUAR.HNN. 2021-06-16T20:02:07.50 0.6 undecidable manual S 203 35.9418 50 0.1 49
IV.T0110.HHZ. 2021-06-16T20:02:05.55 0.6 undecidable manual S 58 28.6491 50 0.12 50
MN.AQU.HHZ. 2021-06-16T20:02:05.40 0.6 undecidable manual S 348 29.5482 50 -0.28 48
IV.VVLD.HHZ. 2021-06-16T20:02:05.52 0.3 undecidable manual S 155 27.4503 50 0.39 71
IV.RM33.HNE. 2021-06-16T20:02:04.30 0.3 undecidable manual P 335 51.0156 50 -0.2 71
IV.CERT.HHZ. 2021-06-16T20:02:03.25 0.3 undecidable manual P 249 44.1225 50 -0.19 72
IV.VCEL.EHZ. 2021-06-16T20:02:03.55 0.3 undecidable manual P 41 44.622 50 0.04 74
IV.POFI.HNE. 2021-06-16T20:02:03.92 0.3 undecidable manual P 155 45.9207 50 0.21 71
IV.FAGN.HHZ. 2021-06-16T20:02:03.24 0.6 undecidable manual S 24 20.868 115 0.18 50
IV.GIGS.HHN. 2021-06-16T20:02:02.56 0.3 undecidable manual P 11 40.626 50 -0.33 70
IV.FIAM.HNN. 2021-06-16T20:02:01.55 0.3 undecidable manual P 303 35.6421 50 -0.57 66
IV.GUAR.HNN. 2021-06-16T20:02:01.93 0.3 undecidable manual P 203 35.9418 50 -0.25 72
IV.INTR.HHZ. 2021-06-16T20:02:01.79 0.3 undecidable manual P 104 36.1416 50 -0.41 70
IV.VVLD.HHZ. 2021-06-16T20:02:00.53 0.3 undecidable manual P 155 27.4503 50 -0.34 72
IV.PTQR.HHZ. 2021-06-16T20:02:00.28 0.3 undecidable manual S 220 10.2786 134 0.28 75
IV.T0110.HHZ. 2021-06-16T20:02:00.83 0.1 undecidable manual P 58 28.6491 50 -0.22 98
MN.AQU.HHZ. 2021-06-16T20:02:00.69 0.3 undecidable manual P 348 29.5482 50 -0.5 69
IV.FAGN.HHZ. 2021-06-16T20:01:59.50 0.3 undecidable manual P 24 20.868 115 -0.18 75
IV.PTQR.HHZ. 2021-06-16T20:01:58.17 0.1 negative manual P 220 10.2786 134 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHN. ML:1.2 0.00020850000000000003 0.52 AML other m 2021-06-16T20:02:00.68
IV.PTQR.HHE. ML:1.4 0.000305 0.1 AML other m 2021-06-16T20:02:00.81
IV.FAGN.HHN. ML:1.6 0.0002895 0.4 AML other m 2021-06-16T20:02:05.93
IV.FAGN.HHE. ML:1.5 0.0002115 0.34 AML other m 2021-06-16T20:02:05.94
IV.T0110.HHE. ML:1.5 0.000161 1.56 AML other m 2021-06-16T20:02:06.09
IV.VVLD.HHE. ML:0.9 0.0000426 0.38 AML other m 2021-06-16T20:02:06.27
IV.VVLD.HHN. ML:0.9 0.0000415 1.24 AML other m 2021-06-16T20:02:06.27
IV.T0110.HHN. ML:1.7 0.0002585 0.42 AML other m 2021-06-16T20:02:06.16
IV.INTR.HHE. ML:1.2 0.000056550000000000006 0.44 AML other m 2021-06-16T20:02:08.96
IV.CERT.HHN. ML:1.0 0.000029700000000000004 0.5 AML other m 2021-06-16T20:02:10.73
IV.CERT.HHE. ML:0.7 0.000013909999999999999 0.26 AML other m 2021-06-16T20:02:10.61
IV.INTR.HHN. ML:1.2 0.00006840000000000001 0.42 AML other m 2021-06-16T20:02:11.27
IV.VCEL.EHE. ML:1.3 0.00006015 0.26 AML other m 2021-06-16T20:02:11.86
IV.VCEL.EHN. ML:1.2 0.00005155 0.38 AML other m 2021-06-16T20:02:15.51
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