Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 06-07-2021 and time 16:21:46 (UTC) in region 3 km NE Capistrello (AQ)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Capistrello (AQ), on

  • 06-07-2021 16:21:46 (UTC)
  • 06-07-2021 18:21:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9920, 13.4140 at 11 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
Capistrello AQ 3 5252 5252
Avezzano AQ 5 42515 47767
Canistro AQ 6 995 48762
Luco dei Marsi AQ 6 6079 54841
Castellafiume AQ 7 1106 55947
Civitella Roveto AQ 8 3268 59215
Scurcola Marsicana AQ 10 2824 62039
Trasacco AQ 11 6246 68285
Cappadocia AQ 11 528 68813
Magliano de' Marsi AQ 12 3690 72503
Civita d'Antino AQ 13 979 73482
Filettino FR 13 565 74047
Massa d'Albe AQ 13 1476 75523
Morino AQ 15 1448 76971
Celano AQ 15 11017 87988
Tagliacozzo AQ 16 6889 94877
Vallepietra RM 17 283 95160
Cerchio AQ 18 1635 96795
San Benedetto dei Marsi AQ 18 3909 100704
Aielli AQ 18 1475 102179
Ovindoli AQ 18 1227 103406
Collelongo AQ 18 1233 104639
Collarmele AQ 19 894 105533
Ortucchio AQ 20 1860 107393
San Vincenzo Valle Roveto AQ 20 2347 109740
Trevi nel Lazio FR 20 1822 111562

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of L'Aquila (69753 inhabitants)
51 Km E of Tivoli (56533 inhabitants)
57 Km E of Guidonia Montecelio (88673 inhabitants)
63 Km NE of Velletri (53303 inhabitants)
72 Km NE of Latina (125985 inhabitants)
74 Km SW of Chieti (51815 inhabitants)
77 Km NE of Aprilia (73446 inhabitants)
78 Km E of Roma (2864731 inhabitants)
78 Km SW of Teramo (54892 inhabitants)
84 Km E of Pomezia (62966 inhabitants)
84 Km SW of Montesilvano (53738 inhabitants)
84 Km SW of Pescara (121014 inhabitants)
89 Km NE of Anzio (54211 inhabitants)
89 Km SE 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
Bulletin
Rev1000 		ML 1.4 2021-07-06
16:21:46		 41.9915 13.4137 11 2021-12-29
11:12:29		 Bollettino Sismico Italiano INGV 95337421
Reviewed
Rev100 		ML 1.4 2021-07-06
16:21:46		 41.9945 13.4268 10 2021-07-06
16:36:19		 Sala Sismica INGV-Roma 92313641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-06 16:21:46 ± 0.1
Latitude 41.9915 ± 0.0054
Longitude 13.4137 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95337421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 497
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.47574
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 95337421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-12 09:45:18

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 92313641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-06 16:36:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHN. 2021-07-06T16:22:04.24 0.6 undecidable manual S 14 52.8027 50 1.16 32
IV.INTR.HHZ. 2021-07-06T16:22:00.10 0.6 undecidable manual S 87 40.5261 50 0.32 45
IV.RCAV.EHZ. 2021-07-06T16:22:00.03 0.6 undecidable manual S 248 41.8248 50 -0.1 47
IV.FIAM.HNE. 2021-07-06T16:21:59.18 0.6 undecidable manual S 322 39.2274 50 -0.25 46
IV.T0110.HHZ. 2021-07-06T16:21:59.44 0.6 undecidable manual S 48 39.8268 50 -0.16 46
IV.POFI.HNE. 2021-07-06T16:21:59.68 0.6 undecidable manual S 141 39.1275 50 0.26 45
IV.GIGS.HHN. 2021-07-06T16:21:55.59 0.6 undecidable manual P 14 52.8027 50 -0.45 43
IV.GUAR.HHZ. 2021-07-06T16:21:55.53 0.6 undecidable manual S 201 23.3544 50 0.32 46
IV.INTR.HHZ. 2021-07-06T16:21:54.13 0.3 undecidable manual P 87 40.5261 50 -0.01 72
IV.VVLD.HHZ. 2021-07-06T16:21:54.75 0.6 undecidable manual S 128 21.9669 50 -0.08 49
IV.FIAM.HNE. 2021-07-06T16:21:54.34 0.3 undecidable manual P 322 39.2274 50 0.41 66
IV.RCAV.EHZ. 2021-07-06T16:21:54.59 1.0 undecidable manual P 248 41.8248 50 0.25 23
IV.T0110.HHZ. 2021-07-06T16:21:53.79 0.3 undecidable manual P 48 39.8268 50 -0.24 68
IV.POFI.HNE. 2021-07-06T16:21:53.81 0.3 undecidable manual P 141 39.1275 50 -0.12 70
IV.CERT.HNE. 2021-07-06T16:21:53.10 0.3 undecidable manual P 263 35.9418 50 -0.33 68
IV.FAGN.HHE. 2021-07-06T16:21:52.80 0.3 undecidable manual P 25 33.4443 50 -0.25 69
IV.VVLD.HHZ. 2021-07-06T16:21:51.08 0.1 undecidable manual P 128 21.9669 50 -0.2 95
IV.GUAR.HHZ. 2021-07-06T16:21:51.60 0.3 undecidable manual P 201 23.3544 50 0.1 73
IV.PTQR.HHZ. 2021-07-06T16:21:50.39 0.6 undecidable manual S 342 3.4965 162 0.06 50
IV.PTQR.HHZ. 2021-07-06T16:21:48.78 0.1 undecidable manual P 342 3.4965 162 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHN. ML:1.4 0.0004331399 0.32 AML other m 2021-07-06T16:21:50.60
IV.PTQR.HHE. ML:1.4 0.00040470215000000005 0.2176 AML other m 2021-07-06T16:21:50.64
IV.GUAR.HHE. ML:1.7 0.0002945 0.24 AML other m 2021-07-06T16:21:55.82
IV.GUAR.HHN. ML:1.7 0.0003105 0.18 AML other m 2021-07-06T16:21:55.93
IV.RCAV.EHN. ML:1.0 0.000027507185 0.4736 AML other m 2021-07-06T16:22:00.25
IV.INTR.HNE. ML:1.5 0.000110686145 0.704 AML other m 2021-07-06T16:22:01.11
IV.INTR.HHN. ML:1.4 0.00009695 0.38 AML other m 2021-07-06T16:22:01.07
IV.T0110.HHN. ML:1.3 0.0000711 0.3 AML other m 2021-07-06T16:22:01.63
IV.INTR.HNN. ML:1.6 0.00012497263999999999 1.488 AML other m 2021-07-06T16:22:01.76
IV.RCAV.EHE. ML:1.1 0.000039838995 0.3072 AML other m 2021-07-06T16:22:02.64
IV.INTR.HHE. ML:1.2 0.0000605 1.26 AML other m 2021-07-06T16:22:03.74
IV.T0110.HHE. ML:1.4 0.00008479999999999999 0.88 AML other m 2021-07-06T16:22:03.12
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