Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 12-12-2020 and time 19:16:22 (Italy) in region 2 km W Barete (AQ)

A magnitude ML 1.3 earthquake occured in region: 2 km W Barete (AQ), on

  • 12-12-2020 18:16:22 (UTC)
  • 12-12-2020 19:16:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4420, 13.2580 at 11 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
Barete AQ 2 737 737
Pizzoli AQ 3 4326 5063
Cagnano Amiterno AQ 3 1369 6432
Scoppito AQ 8 3727 10159
Montereale AQ 9 2581 12740
Capitignano AQ 10 665 13405
Borbona RI 13 617 14022
Antrodoco RI 15 2588 16610
L'Aquila AQ 15 69753 86363
Campotosto AQ 16 542 86905
Posta RI 16 694 87599
Micigliano RI 17 127 87726
Borgo Velino RI 17 972 88698
Tornimparte AQ 17 3187 91885
Lucoli AQ 18 1011 92896
Castel Sant'Angelo RI 19 1308 94204

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
95 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
Reviewed
Rev100 		ML 1.3 2020-12-12
18:16:22		 42.4425 13.2582 11 2020-12-12
18:31:12		 Sala Sismica INGV-Roma 85384891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-12 18:16:22 ± 0.08
Latitude 42.4425 ± 0.0054
Longitude 13.2582 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85384891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
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) 226
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65021
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 85384891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-12 18:31:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SICLA.EHZ. 2020-12-12T18:18:16.70 3.0 undecidable manual Sn -0.37 0
RF.GEPF.HHZ. 2020-12-12T18:18:01.45 3.0 undecidable manual Sn -3.71 0
SI.ROSI.HHZ. 2020-12-12T18:17:46.35 3.0 undecidable manual Pg 16.15 0
IV.PTRP.HHZ. 2020-12-12T18:17:32.10 3.0 undecidable manual Sn -3.94 0
IV.SARZ.HHZ. 2020-12-12T18:17:30.36 3.0 undecidable manual Pg 10.71 0
XK.GIZZ.HHZ. 2020-12-12T18:17:19.68 3.0 positive manual Pn 0.18 0
IV.AGLI.HHZ. 2020-12-12T18:17:15.90 3.0 undecidable manual Pg 7.36 0
IV.NDIM.HNZ. 2020-12-12T18:17:13.55 3.0 positive manual Pg 6.99 0
IV.SBPO.HNZ. 2020-12-12T18:17:08.91 3.0 negative manual Pn 0.57 0
IV.BRSN.EHZ. 2020-12-12T18:16:53.12 3.0 undecidable manual Pn -0.64 0
IV.CSP1.EHZ. 2020-12-12T18:16:44.82 0.3 undecidable manual S 357 72.1722 50 0.39 84
IV.FDMO.HHZ. 2020-12-12T18:16:43.68 0.3 undecidable manual S 348 67.377 50 0.54 81
IV.NRCA.HHZ. 2020-12-12T18:16:36.81 0.3 undecidable manual S 345 44.9217 50 -0.35 92
IV.CSP1.EHZ. 2020-12-12T18:16:35.32 0.3 undecidable manual P 357 72.1722 50 0.09 91
IV.FDMO.HHZ. 2020-12-12T18:16:34.63 0.3 undecidable manual P 348 67.377 50 0.14 91
IV.TERO.HHZ. 2020-12-12T18:16:34.06 0.3 undecidable manual S 55 34.6431 50 -0.34 95
IV.MTRA.EHZ. 2020-12-12T18:16:34.51 0.3 undecidable manual S 18 36.6411 50 -0.44 93
IV.GIGS.HHE. 2020-12-12T18:16:32.10 0.3 undecidable manual S 87 25.752 50 0.05 98
IV.LNSS.HHZ. 2020-12-12T18:16:31.68 0.3 undecidable manual S 315 25.1526 50 -0.2 97
IV.T1299.EHZ. 2020-12-12T18:16:30.66 0.3 undecidable manual S 5 21.3675 50 -0.21 99
IV.GAVE.EHZ. 2020-12-12T18:16:30.15 0.3 undecidable manual P 313 40.626 50 -0.22 94
IV.SMA1.EHZ. 2020-12-12T18:16:30.98 0.3 undecidable manual S 17 21.7671 50 0 100
IV.NRCA.HHZ. 2020-12-12T18:16:30.88 0.3 undecidable manual P 345 44.9217 50 -0.15 95
IV.CAMP.HHE. 2020-12-12T18:16:29.48 0.3 undecidable manual S 50 16.0728 124 0.05 100
IV.MTRA.EHZ. 2020-12-12T18:16:29.62 0.3 undecidable manual P 18 36.6411 50 -0.14 98
IV.TERO.HHZ. 2020-12-12T18:16:29.42 0.3 undecidable manual P 55 34.6431 50 -0.03 99
IV.LNSS.HHZ. 2020-12-12T18:16:28.13 0.3 undecidable manual P 315 25.1526 50 0.14 98
IV.SMA1.EHZ. 2020-12-12T18:16:27.65 0.3 undecidable manual P 17 21.7671 50 0.18 97
IV.T1299.EHZ. 2020-12-12T18:16:27.53 0.3 undecidable manual P 5 21.3675 50 0.13 98
IV.GIGS.HHE. 2020-12-12T18:16:27.55 0.6 undecidable manual P 87 25.752 50 -0.54 61
IV.CAMP.HHE. 2020-12-12T18:16:26.74 0.3 undecidable manual P 50 16.0728 124 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.8 0.00039389165 0.2048 AML other m 2020-12-12T18:16:31.58
IV.SMA1.EHN. ML:1.7 0.00032939184999999997 0.32 AML other m 2020-12-12T18:16:31.33
IV.LNSS.HNE. ML:1.4 0.00013115016000000003 0.512 AML other m 2020-12-12T18:16:34.76
IV.LNSS.HNN. ML:1.5 0.00017805654999999997 0.9856 AML other m 2020-12-12T18:16:28.08
IV.LNSS.HHE. ML:1.1 0.000079824575 0.128 AML other m 2020-12-12T18:16:32.45
IV.LNSS.HHN. ML:1.1 0.000078897495 0.3456 AML other m 2020-12-12T18:16:32.15
IV.TERO.HHE. ML:1.1 0.00005062783 0.1664 AML other m 2020-12-12T18:16:34.43
IV.TERO.HHN. ML:1.1 0.000047981925000000004 0.1408 AML other m 2020-12-12T18:16:34.23
IV.TERO.HNE. ML:1.4 0.0001031035 0.5504 AML other m 2020-12-12T18:16:34.34
IV.TERO.HNN. ML:1.6 0.0001511149 1.0752 AML other m 2020-12-12T18:16:34.16
IV.GAVE.EHE. ML:1.0 0.000036743595000000005 0.192 AML other m 2020-12-12T18:16:39.64
IV.GAVE.EHN. ML:1.0 0.000032095558 0.1408 AML other m 2020-12-12T18:16:38.84
IV.NRCA.HNE. ML:1.7 0.00014954185000000002 0.6144 AML other m 2020-12-12T18:16:40.24
IV.NRCA.HNN. ML:1.8 0.00020482087000000003 0.8064 AML other m 2020-12-12T18:16:30.15
IV.NRCA.HHE. ML:1.5 0.00009122225999999999 0.1408 AML other m 2020-12-12T18:16:38.19
IV.NRCA.HHN. ML:1.3 0.00006204025 0.1024 AML other m 2020-12-12T18:16:37.86
IV.FDMO.HHE. ML:1.1 0.000022457135000000005 1.4976 AML other m 2020-12-12T18:16:37.52
IV.FDMO.HHN. ML:1.1 0.0000208018 0.2816 AML other m 2020-12-12T18:16:45.73
IV.CSP1.EHE. ML:1.8 0.000098317875 1.8176 AML other m 2020-12-12T18:16:45.41
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