Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 10-05-2021 and time 13:30:44 (UTC) in region 3 km NE Barete (AQ)

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

  • 10-05-2021 13:30:44 (UTC)
  • 10-05-2021 15:30:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4720, 13.3020 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
Barete AQ 3 737 737
Pizzoli AQ 4 4326 5063
Capitignano AQ 6 665 5728
Cagnano Amiterno AQ 6 1369 7097
Montereale AQ 8 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
Borbona RI 15 617 14564
L'Aquila AQ 16 69753 84317
Crognaleto TE 17 1297 85614
Amatrice RI 18 2657 88271
Posta RI 18 694 88965
Antrodoco RI 19 2588 91553
Cittareale RI 20 482 92035
Tornimparte AQ 20 3187 95222

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
75 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
98 Km E of Viterbo (67173 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 2021-05-10
13:30:44		 42.472 13.3022 11 2021-12-29
11:12:25		 Bollettino Sismico Italiano INGV 94996261
Reviewed
Rev100 		ML 1.4 2021-05-10
13:30:44		 42.4793 13.3058 11 2021-05-10
13:38:15		 Sala Sismica INGV-Roma 89964641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-10 13:30:44 ± 0.06
Latitude 42.4720 ± 0.0045
Longitude 13.3022 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94996261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 610
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62323
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 89964641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-10 13:38:15

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 94996261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-03 10:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2021-05-10T13:32:36.65 3.0 undecidable manual Sg 0.34 0
IV.ZONE.HHZ. 2021-05-10T13:32:31.19 3.0 undecidable manual Sn -3.07 0
OX.MPRI.HHZ. 2021-05-10T13:32:24.09 3.0 undecidable manual Sn -3.83 0
IV.CRAC.EHZ. 2021-05-10T13:32:21.63 3.0 undecidable manual Sg 6.25 0
IV.NDIM.HHZ. 2021-05-10T13:32:10.35 3.0 undecidable manual Sn 1.29 0
IV.NOCI.HHZ. 2021-05-10T13:32:06.12 3.0 undecidable manual Sn -9.99 0
IV.CELI.HHZ. 2021-05-10T13:31:48.34 3.0 undecidable manual Pg 1.74 0
IV.RIBO.EHZ.01 2021-05-10T13:31:40.92 3.0 undecidable manual Sg 1.16 0
IV.NOCI.HHZ. 2021-05-10T13:31:31.93 3.0 undecidable manual Pn -5.7 0
IV.IMOL.HNZ. 2021-05-10T13:31:20.43 3.0 positive manual Pn -1.29 0
IV.CRTC.HHZ. 2021-05-10T13:31:07.56 3.0 positive manual Pn -2.02 0
IV.CSP1.EHZ. 2021-05-10T13:31:06.18 1.0 undecidable manual S 353 69.1752 90 0.44 21
IV.MC2.EHZ. 2021-05-10T13:31:01.07 0.6 undecidable manual S 349 49.617 90 0.57 42
IV.T0110.HHZ. 2021-05-10T13:31:01.02 0.6 undecidable manual S 125 47.3193 90 1.13 31
IV.NRCA.HHZ. 2021-05-10T13:30:58.55 0.3 undecidable manual S 339 42.9237 90 -0.17 68
IV.GAVE.EHZ. 2021-05-10T13:30:58.12 0.6 undecidable manual S 306 41.3253 90 -0.17 45
IV.CSP1.EHZ. 2021-05-10T13:30:56.94 0.3 undecidable manual P 353 69.1752 90 0.05 68
IV.MTRA.EHZ. 2021-05-10T13:30:55.54 0.6 undecidable manual S 14 32.5452 90 -0.4 44
IV.TERO.HHZ. 2021-05-10T13:30:54.77 0.6 undecidable manual S 56 29.8479 90 -0.45 44
IV.LNSS.HHZ. 2021-05-10T13:30:54.04 0.3 undecidable manual S 304 25.8519 90 -0.12 70
IV.T0110.HHZ. 2021-05-10T13:30:53.86 0.3 undecidable manual P 125 47.3193 90 0.35 65
IV.MC2.EHZ. 2021-05-10T13:30:53.94 0.3 undecidable manual P 349 49.617 90 0.07 70
IV.VVLD.HHZ. 2021-05-10T13:30:53.39 3.0 undecidable manual P -6.9 0
IV.NRCA.HHZ. 2021-05-10T13:30:52.65 0.3 undecidable manual P 339 42.9237 90 -0.19 68
IV.SMA1.EHZ. 2021-05-10T13:30:52.31 0.6 undecidable manual S 9 17.7711 90 0.3 47
IV.GAVE.EHZ. 2021-05-10T13:30:52.68 0.6 undecidable manual P 306 41.3253 90 0.09 47
IV.T1299.EHZ. 2021-05-10T13:30:52.07 0.6 undecidable manual S 355 18.0708 90 -0.01 49
IV.GIGS.HJZ. 2021-05-10T13:30:52.86 0.3 undecidable manual S 95 22.2555 90 -0.34 70
IV.FAGN.HHZ. 2021-05-10T13:30:51.61 0.3 undecidable manual P 135 32.5452 90 0.38 67
MN.AQU.HNZ. 2021-05-10T13:30:51.67 0.6 undecidable manual S 147 15.5733 90 0.25 47
IV.LNSS.HHZ. 2021-05-10T13:30:50.13 0.1 undecidable manual P 304 25.8519 90 -0.08 95
IV.TERO.HHZ. 2021-05-10T13:30:50.53 0.1 undecidable manual P 56 29.8479 90 -0.29 92
IV.MTRA.EHZ. 2021-05-10T13:30:50.96 0.1 undecidable manual P 14 32.5452 90 -0.27 91
IV.CAMP.HHZ. 2021-05-10T13:30:50.17 0.6 undecidable manual S 51 11.2776 112 -0.11 49
IV.GIGS.HJZ. 2021-05-10T13:30:49.43 0.1 undecidable manual P 95 22.2555 90 -0.22 95
IV.SMA1.EHZ. 2021-05-10T13:30:49.02 0.1 undecidable manual P 9 17.7711 90 0.05 99
IV.RM33.EHZ. 2021-05-10T13:30:49.42 0.6 undecidable manual S 300 8.2806 129 -0.18 48
IV.T1299.EHZ. 2021-05-10T13:30:49.07 0.1 undecidable manual P 355 18.0708 90 0.06 99
IV.CAMP.HHZ. 2021-05-10T13:30:48.21 0.1 undecidable manual P 51 11.2776 112 0.24 96
MN.AQU.HNZ. 2021-05-10T13:30:48.72 0.6 undecidable manual P 147 15.5733 90 0.1 49
IV.RM33.EHZ. 2021-05-10T13:30:47.67 0.1 positive manual P 300 8.2806 129 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.3 0.000258 0.22 AML other m 2021-05-10T13:30:49.73
IV.RM33.EHN. ML:1.3 0.00027 1.2 AML other m 2021-05-10T13:30:49.81
IV.SMA1.EHE. ML:2.0 0.0008245 0.22 AML other m 2021-05-10T13:30:52.62
IV.SMA1.EHN. ML:1.8 0.00047750000000000006 0.26 AML other m 2021-05-10T13:30:52.89
IV.TERO.HHE. ML:1.3 0.00009955 0.56 AML other m 2021-05-10T13:30:55.05
IV.LNSS.HHE. ML:1.3 0.00010999999999999999 0.12 AML other m 2021-05-10T13:30:55.12
IV.TERO.HHN. ML:1.2 0.00007994999999999999 0.68 AML other m 2021-05-10T13:30:55.00
IV.LNSS.HHN. ML:1.2 0.0000891 1.14 AML other m 2021-05-10T13:30:55.69
IV.MTRA.EHE. ML:1.8 0.00029200000000000005 0.18 AML other m 2021-05-10T13:30:55.89
IV.MTRA.EHN. ML:1.7 0.000236 0.26 AML other m 2021-05-10T13:30:56.00
IV.NRCA.HHE. ML:1.6 0.00013450000000000002 0.66 AML other m 2021-05-10T13:30:59.63
IV.NRCA.HHN. ML:1.5 0.00009425 0.08 AML other m 2021-05-10T13:30:59.47
IV.GAVE.EHN. ML:1.2 0.0000487 1.32 AML other m 2021-05-10T13:30:59.77
IV.T0110.HHN. ML:1.2 0.00004425 0.46 AML other m 2021-05-10T13:31:01.76
IV.GAVE.EHE. ML:1.2 0.000048899999999999996 0.2 AML other m 2021-05-10T13:31:02.16
IV.T0110.HHE. ML:1.3 0.0000618 0.38 AML other m 2021-05-10T13:31:02.69
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