Earthquake with magnitude of ML 0.7 on date 20-12-2020 and time 18:24:24 (UTC) in region 2 km NW Barete (AQ)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Barete (AQ), on

  • 20-12-2020 18:24:24 (UTC)
  • 20-12-2020 19:24:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.468, 13.268 at 15 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.

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
Cagnano Amiterno AQ 4 1369 2106
Pizzoli AQ 4 4326 6432
Capitignano AQ 7 665 7097
Montereale AQ 7 2581 9678
Scoppito AQ 11 3727 13405
Borbona RI 12 617 14022
Campotosto AQ 13 542 14564
Posta RI 15 694 15258
Antrodoco RI 16 2588 17846
L'Aquila AQ 17 69753 87599
Micigliano RI 18 127 87726
Amatrice RI 18 2657 90383
Borgo Velino RI 18 972 91355
Cittareale RI 19 482 91837
Crognaleto TE 20 1297 93134
Tornimparte AQ 20 3187 96321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km NE of Velletri (53303 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 0.7 2020-12-20
18:24:24
42.4677 13.2677 15 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87208701
Reviewed
Rev100
ML 0.9 2020-12-20
18:24:25
42.4623 13.2605 11 2020-12-20
18:33:28
Sala Sismica INGV-Roma 85584621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-20 18:24:24 ± 0.09
Latitude 42.4677 ± 0.0036
Longitude 13.2677 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87208701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 87208701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-16 10:50:29

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 85584621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-20 18:33:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2020-12-20T18:25:05.31 3.0 undecidable manual S -0.2 0
IV.MURB.HHZ. 2020-12-20T18:25:00.43 3.0 undecidable manual S 0.57 0
IV.CSP1.EHZ. 2020-12-20T18:24:46.61 0.3 undecidable manual S 356 0.6259 94 0.73 58
IV.CSP1.EHZ. 2020-12-20T18:24:37.37 0.3 undecidable manual P 356 0.6259 94 0.37 65
IV.GAVE.EHZ. 2020-12-20T18:24:37.79 0.3 undecidable manual S 309 0.3552 98 -0.11 71
IV.MTRA.EHE. 2020-12-20T18:24:36.08 0.3 undecidable manual S 18 0.304 100 -0.33 69
IV.TERO.HHN. 2020-12-20T18:24:35.66 0.6 undecidable manual S 58 0.2923 100 -0.41 46
IV.FIAM.HHZ. 2020-12-20T18:24:34.15 0.3 undecidable manual S 209 0.2284 105 -0.07 74
IV.GIGS.HJZ. 2020-12-20T18:24:34.08 0.3 undecidable manual S 94 0.2257 106 -0.06 75
IV.LNSS.HHZ. 2020-12-20T18:24:33.67 0.3 undecidable manual S 309 0.2149 107 -0.17 72
IV.T1299.EHZ. 2020-12-20T18:24:32.26 0.3 undecidable manual S 4 0.1673 115 -0.24 73
IV.SMA1.EHZ. 2020-12-20T18:24:32.78 0.3 undecidable manual S 17 0.17 114 0.19 73
IV.GAVE.EHZ. 2020-12-20T18:24:32.42 0.3 undecidable manual P 309 0.3552 98 0.04 73
IV.TERO.HHN. 2020-12-20T18:24:31.25 0.1 undecidable manual P 58 0.2923 100 -0.08 98
MN.AQU.HNZ. 2020-12-20T18:24:31.82 0.6 undecidable manual S 138 0.152 118 -0.29 49
IV.MTRA.EHE. 2020-12-20T18:24:31.37 0.1 undecidable manual P 18 0.304 100 -0.16 95
IV.CAMP.HHZ. 2020-12-20T18:24:31.37 0.3 undecidable manual S 57 0.1241 126 -0.05 77
IV.LNSS.HHZ. 2020-12-20T18:24:30.03 0.1 undecidable manual P 309 0.2149 107 -0.01 100
IV.GIGS.HJZ. 2020-12-20T18:24:30.15 0.1 undecidable manual P 94 0.2257 106 -0.07 100
IV.FIAM.HHZ. 2020-12-20T18:24:30.27 0.3 undecidable manual P 209 0.2284 105 0.01 75
IV.T1299.EHZ. 2020-12-20T18:24:29.38 0.1 undecidable manual P 4 0.1673 115 0.11 100
MN.AQU.HNZ. 2020-12-20T18:24:29.26 0.6 undecidable manual P 138 0.152 118 0.21 49
IV.SMA1.EHZ. 2020-12-20T18:24:29.55 0.1 undecidable manual P 17 0.17 114 0.22 97
IV.CAMP.HHZ. 2020-12-20T18:24:28.76 0.1 undecidable manual P 57 0.1241 126 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHE. ML:0.6 1.805338E-5 0.3968 AML other m 2020-12-20T18:24:34.40
IV.FIAM.HHN. ML:0.4 1.63798995E-5 0.3584 AML other m 2020-12-20T18:24:34.38
IV.GAVE.EHN. ML:1 2.7684135E-5 0.1408 AML other m 2020-12-20T18:24:38.57
IV.GAVE.EHE. ML:1 2.9812935E-5 0.2048 AML other m 2020-12-20T18:24:41.03
IV.CSP1.EHE. ML:1.3 2.94146E-5 0.32 AML other m 2020-12-20T18:24:48.99
IV.CSP1.EHN. ML:1.3 2.782868E-5 0.2432 AML other m 2020-12-20T18:24:49.16
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