Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 14-04-2021 and time 06:47:10 (UTC) in region 3 km SW Avezzano (AQ)

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

  • 14-04-2021 06:47:10 (UTC)
  • 14-04-2021 08:47:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0110, 13.4000 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Avezzano AQ 3 42515 42515
Capistrello AQ 5 5252 47767
Castellafiume AQ 6 1106 48873
Scurcola Marsicana AQ 8 2824 51697
Canistro AQ 8 995 52692
Luco dei Marsi AQ 8 6079 58771
Magliano de' Marsi AQ 10 3690 62461
Cappadocia AQ 10 528 62989
Civitella Roveto AQ 11 3268 66257
Massa d'Albe AQ 11 1476 67733
Trasacco AQ 13 6246 73979
Tagliacozzo AQ 14 6889 80868
Filettino FR 15 565 81433
Celano AQ 15 11017 92450
Civita d'Antino AQ 15 979 93429
Vallepietra RM 17 283 93712
Ovindoli AQ 17 1227 94939
Morino AQ 17 1448 96387
Aielli AQ 18 1475 97862
Cerchio AQ 18 1635 99497
San Benedetto dei Marsi AQ 19 3909 103406
Sante Marie AQ 19 1166 104572
Collarmele AQ 20 894 105466

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km S of L'Aquila (69753 inhabitants)
50 Km E of Tivoli (56533 inhabitants)
56 Km E of Guidonia Montecelio (88673 inhabitants)
63 Km NE of Velletri (53303 inhabitants)
73 Km NE of Latina (125985 inhabitants)
74 Km SW of Chieti (51815 inhabitants)
76 Km SW of Teramo (54892 inhabitants)
77 Km E of Roma (2864731 inhabitants)
78 Km NE of Aprilia (73446 inhabitants)
83 Km SW of Montesilvano (53738 inhabitants)
83 Km E of Pomezia (62966 inhabitants)
84 Km SW of Pescara (121014 inhabitants)
87 Km SE of Terni (111501 inhabitants)
89 Km NE of Anzio (54211 inhabitants)
100 Km E of Fiumicino (78395 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 2021-04-14
06:47:10		 42.0113 13.4003 10 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90095051
Reviewed
Rev100 		ML 1.4 2021-04-14
06:47:10		 42.031 13.4143 13 2021-04-14
07:21:02		 Sala Sismica INGV-Roma 89086831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-14 06:47:10 ± 0.1
Latitude 42.0113 ± 0.0054
Longitude 13.4003 ± 0.0085
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 90095051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 30
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 10
Type of magnitude ML
Reference to an origin 90095051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 16:01:59

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 89086831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-14 07:21:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2021-04-14T06:48:59.42 3.0 undecidable manual Sn -5.72 0
IV.NDIM.HNZ. 2021-04-14T06:48:48.12 3.0 undecidable manual Sg 8.15 0
IV.SELL.HHZ. 2021-04-14T06:48:48.54 3.0 undecidable manual Sn -5.31 0
IV.IACL.HHZ. 2021-04-14T06:48:46.41 3.0 undecidable manual Sn 1.96 0
IV.GALF.HHZ. 2021-04-14T06:48:25.90 3.0 negative manual Pg 12.23 0
IV.PZUN.HHZ. 2021-04-14T06:48:24.80 3.0 undecidable manual Sg 10.46 0
IV.CAPR.HNZ. 2021-04-14T06:48:18.57 3.0 undecidable manual Pn 5.17 0
IV.FIR.HHZ. 2021-04-14T06:48:16.96 3.0 undecidable manual Sg 2.64 0
IV.MILN.HNZ. 2021-04-14T06:48:15.20 3.0 undecidable manual Pn -0.72 0
IV.EUCT.HNZ. 2021-04-14T06:48:10.74 3.0 positive manual Pn -3.05 0
IV.FROS.CHZ. 2021-04-14T06:48:10.65 3.0 undecidable manual Sg 4.47 0
IV.IACL.HHZ. 2021-04-14T06:48:09.08 3.0 negative manual Pg 6.91 0
IV.SELL.HHZ. 2021-04-14T06:48:06.37 3.0 negative manual Pn -1.08 0
IV.RIBO.EHZ.01 2021-04-14T06:48:06.39 3.0 undecidable manual Sg 2 0
IV.CRTO.HHZ. 2021-04-14T06:47:56.53 3.0 undecidable manual Sg 3.54 0
RD.PGF.BHZ. 2021-04-14T06:47:56.26 3.0 undecidable manual Pn -1.54 0
GU.CARD.HHZ. 2021-04-14T06:47:55.40 3.0 undecidable manual Pg 2.35 0
IV.FIU.EHZ. 2021-04-14T06:47:50.01 3.0 positive manual Pn -3.82 0
IV.CIMA.HNZ. 2021-04-14T06:47:48.56 3.0 undecidable manual Sn -1.53 0
IT.FIE.HGZ. 2021-04-14T06:47:42.18 3.0 positive manual Pg -3.15 0
IV.TRIF.CHZ. 2021-04-14T06:47:40.84 3.0 negative manual Pn -1.22 0
IV.MTMR.EHZ. 2021-04-14T06:47:38.06 3.0 undecidable manual Pg 1.71 0
IV.RIBO.EHZ.01 2021-04-14T06:47:36.30 3.0 positive manual Pg -3.36 0
IV.VCEL.EHN. 2021-04-14T06:47:28.57 0.6 undecidable manual S 40 55.7997 50 0.78 38
IV.GIGS.HJZ. 2021-04-14T06:47:26.65 0.6 undecidable manual S 16 51.0156 50 0.14 46
IV.INTR.HHE. 2021-04-14T06:47:24.45 0.6 undecidable manual S 90 41.5251 50 0.46 43
IV.POFI.HNE. 2021-04-14T06:47:24.48 0.6 undecidable manual S 142 41.5251 50 0.5 43
IV.T0110.HHZ. 2021-04-14T06:47:22.92 0.6 undecidable manual S 52 39.2274 50 -0.46 44
IV.CERT.HHZ. 2021-04-14T06:47:22.14 0.6 undecidable manual S 259 35.2425 50 -0.15 47
IV.FAGN.HHZ. 2021-04-14T06:47:21.53 0.6 undecidable manual S 28 32.0457 50 0.09 48
IV.VCEL.EHN. 2021-04-14T06:47:20.18 0.3 undecidable manual P 40 55.7997 50 -0.2 67
IV.VVLD.HHZ. 2021-04-14T06:47:19.23 0.6 undecidable manual S 130 24.1536 50 -0.12 48
IV.GUAR.HHZ. 2021-04-14T06:47:19.91 0.3 undecidable manual S 197 25.1526 50 0.31 69
IV.GIGS.HJZ. 2021-04-14T06:47:19.88 0.3 undecidable manual P 16 51.0156 50 0.24 67
IV.POFI.HNE. 2021-04-14T06:47:18.09 0.3 undecidable manual P 142 41.5251 50 -0.09 70
IV.INTR.HHE. 2021-04-14T06:47:18.02 0.3 undecidable manual P 90 41.5251 50 -0.17 69
IV.FIAM.HNN. 2021-04-14T06:47:18.03 0.6 undecidable manual P 321 36.8298 50 0.58 42
IV.T0110.HHZ. 2021-04-14T06:47:17.36 0.3 undecidable manual P 52 39.2274 50 -0.47 65
IV.FAGN.HHZ. 2021-04-14T06:47:16.46 0.3 undecidable manual P 28 32.0457 50 -0.25 69
IV.CERT.HHZ. 2021-04-14T06:47:16.91 0.3 undecidable manual P 259 35.2425 50 -0.3 68
IV.VVLD.HHZ. 2021-04-14T06:47:15.18 0.3 undecidable manual P 130 24.1536 50 -0.33 69
IV.GUAR.HHZ. 2021-04-14T06:47:15.59 0.3 undecidable manual P 197 25.1526 50 -0.07 73
IV.PTQR.HHZ. 2021-04-14T06:47:13.97 0.6 undecidable manual S 1 1.1988 173 0.1 50
IV.PTQR.HHZ. 2021-04-14T06:47:12.47 0.1 negative manual P 1 1.1988 173 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHN. ML:1.2 0.0003105 0.24 AML other m 2021-04-14T06:47:14.15
IV.PTQR.HHE. ML:1.2 0.00030199999999999997 0.1 AML other m 2021-04-14T06:47:14.61
IV.GUAR.HHN. ML:1.3 0.000122 0.2 AML other m 2021-04-14T06:47:20.61
IV.VVLD.HHN. ML:1.2 0.00008385 0.42 AML other m 2021-04-14T06:47:20.68
IV.VVLD.HHE. ML:1.2 0.00009345000000000001 0.92 AML other m 2021-04-14T06:47:21.33
IV.T0110.HHN. ML:1.6 0.00012975 0.52 AML other m 2021-04-14T06:47:23.50
IV.FAGN.HHE. ML:1.8 0.000259 0.32 AML other m 2021-04-14T06:47:23.73
IV.GUAR.HHE. ML:1.1 0.0000789 1.22 AML other m 2021-04-14T06:47:24.67
IV.FAGN.HHN. ML:1.6 0.0001655 1.68 AML other m 2021-04-14T06:47:24.10
IV.T0110.HHE. ML:1.6 0.000129 0.66 AML other m 2021-04-14T06:47:25.16
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