Earthquake with magnitude of ML 1.6 on date 24-12-2020 and time 10:50:01 (UTC) in region 6 km E Antrodoco (RI)

A magnitude ML 1.6 earthquake occured in region: 6 km E Antrodoco (RI), on

  • 24-12-2020 10:50:01 (UTC)
  • 24-12-2020 11:50:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.395, 13.151 at 9 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
Antrodoco RI 6 2588 2588
Borgo Velino RI 8 972 3560
Scoppito AQ 9 3727 7287
Cagnano Amiterno AQ 9 1369 8656
Castel Sant'Angelo RI 10 1308 9964
Micigliano RI 10 127 10091
Barete AQ 13 737 10828
Pizzoli AQ 13 4326 15154
Petrella Salto RI 13 1197 16351
Borbona RI 13 617 16968
Fiamignano RI 15 1413 18381
Posta RI 15 694 19075
Concerviano RI 16 291 19366
Montereale AQ 16 2581 21947
Cittaducale RI 17 6828 28775
Tornimparte AQ 17 3187 31962
Capitignano AQ 19 665 32627
Lucoli AQ 19 1011 33638

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of L'Aquila (69753 inhabitants)
45 Km E of Terni (111501 inhabitants)
54 Km SW of Teramo (54892 inhabitants)
56 Km NE of Tivoli (56533 inhabitants)
56 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
85 Km NE of Velletri (53303 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
88 Km W of Pescara (121014 inhabitants)
97 Km NE of Pomezia (62966 inhabitants)
98 Km NE of Aprilia (73446 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 1.6 2020-12-24
10:50:01
42.3952 13.1512 9 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86096631
Reviewed
Rev100
ML 1.6 2020-12-24
10:50:01
42.4087 13.1297 7 2020-12-24
11:21:38
Sala Sismica INGV-Roma 85673761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-24 10:50:01 ± 0.1
Latitude 42.3952 ± 0.0054
Longitude 13.1512 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86096631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 559
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 560
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.59085
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86096631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-08 14:31:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 85673761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-24 11:21:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TDS.HHZ. 2020-12-24T10:51:56.01 3.0 undecidable manual Sg 10.45 0
XK.GIZZ.HHZ. 2020-12-24T10:51:48.91 3.0 undecidable manual Sn -7.66 0
IV.SIRI.HHZ. 2020-12-24T10:51:32.43 3.0 undecidable manual Sg 2.13 0
MN.PDG.HHZ. 2020-12-24T10:51:30.90 3.0 undecidable manual Pg 18.57 0
IV.PCN.EHZ. 2020-12-24T10:51:27.34 3.0 undecidable manual Sn -7.3 0
IV.AGLI.HHZ. 2020-12-24T10:51:26.58 3.0 undecidable manual Sg 4.15 0
IV.RESU.HHZ. 2020-12-24T10:51:19.94 3.0 undecidable manual Pg 7.93 0
IV.ACATE.EHZ. 2020-12-24T10:51:17.04 3.0 negative manual Pn -4.39 0
IV.SPS2.HHZ. 2020-12-24T10:51:07.61 3.0 undecidable manual Pg 5.2 0
IV.MBAL.EHZ. 2020-12-24T10:50:58.44 3.0 negative manual Pg 3.82 0
IV.PCN.EHZ. 2020-12-24T10:50:52.43 3.0 negative manual Pn -0.11 0
IV.SCHR.EHZ. 2020-12-24T10:50:45.08 3.0 undecidable manual Pn -6.47 0
IV.MPAG.EHZ. 2020-12-24T10:50:39.08 3.0 undecidable manual Sn -2.52 0
IV.CIGN.HHZ. 2020-12-24T10:50:31.66 3.0 undecidable manual Pg 1.43 0
IV.MOMA.HNZ. 2020-12-24T10:50:22.85 0.6 undecidable manual S 314 0.5909 50 1.01 34
IV.MMO1.EHZ. 2020-12-24T10:50:20.00 0.6 undecidable manual S 14 0.5198 50 0.27 45
IV.MC2.EHZ. 2020-12-24T10:50:20.53 0.6 undecidable manual S 3 0.5162 50 0.9 36
IV.CESX.HHZ. 2020-12-24T10:50:18.54 0.3 undecidable manual S 297 0.4676 50 0.37 66
IV.NARO.HHZ. 2020-12-24T10:50:18.09 3.0 undecidable manual Pn -4.44 0
IV.NRCA.HHZ. 2020-12-24T10:50:17.15 0.6 undecidable manual S 356 0.4389 50 -0.18 46
IV.MTRA.EHE. 2020-12-24T10:50:16.20 0.6 undecidable manual S 26 0.4038 50 -0.09 47
IV.TERO.HHZ. 2020-12-24T10:50:15.80 0.6 undecidable manual S 56 0.4038 50 -0.49 44
IV.GAVE.EHZ. 2020-12-24T10:50:14.32 0.6 undecidable manual S 328 0.3516 50 -0.43 45
TV.SF04.EHZ. 2020-12-24T10:50:14.98 3.0 undecidable manual P -1.91 0
IV.GIGS.HHZ. 2020-12-24T10:50:13.30 0.6 undecidable manual S 79 0.3166 50 -0.4 45
IV.MOMA.HNZ. 2020-12-24T10:50:13.44 0.6 undecidable manual P 314 0.5909 50 0.21 45
IV.ARRO.EHZ. 2020-12-24T10:50:13.72 0.6 undecidable manual S 303 0.3381 50 -0.63 42
IV.T0110.HHZ. 2020-12-24T10:50:12.13 0.3 undecidable manual P 110 0.491 50 0.62 61
IV.SMA1.EHN. 2020-12-24T10:50:12.34 0.6 undecidable manual S 30 0.2716 50 -0.03 49
IV.CAMP.HHZ. 2020-12-24T10:50:11.08 0.6 undecidable manual S 53 0.2365 109 -0.04 50
IV.MC2.EHZ. 2020-12-24T10:50:11.97 0.3 undecidable manual P 3 0.5162 50 0.02 71
IV.CESX.HHZ. 2020-12-24T10:50:11.20 0.3 undecidable manual P 297 0.4676 50 0.09 70
IV.MMO1.EHZ. 2020-12-24T10:50:11.76 0.6 undecidable manual P 14 0.5198 50 -0.25 45
IV.MTRA.EHE. 2020-12-24T10:50:10.47 0.3 undecidable manual P 26 0.4038 50 0.44 66
IV.TERO.HHZ. 2020-12-24T10:50:10.37 0.3 undecidable manual P 56 0.4038 50 0.35 67
IV.NRCA.HHZ. 2020-12-24T10:50:10.46 0.1 undecidable manual P 356 0.4389 50 -0.16 93
IV.LNSS.HHZ. 2020-12-24T10:50:10.45 0.3 undecidable manual S 339 0.223 111 -0.19 72
IV.MTCE.HHE. 2020-12-24T10:50:10.94 0.3 undecidable manual P 219 0.4793 50 -0.38 66
IV.GAVE.EHZ. 2020-12-24T10:50:09.37 0.3 undecidable manual P 328 0.3516 50 0.23 70
IV.GIGS.HHZ. 2020-12-24T10:50:08.12 0.3 undecidable manual P 79 0.3166 50 -0.41 68
IV.ARRO.EHZ. 2020-12-24T10:50:08.04 0.3 undecidable manual P 303 0.3381 50 -0.87 57
IV.CAMP.HHZ. 2020-12-24T10:50:07.09 0.3 undecidable manual P 53 0.2365 109 0.05 74
IV.FIAM.HHZ. 2020-12-24T10:50:07.33 0.6 undecidable manual S 191 0.1295 123 -0.07 50
IV.SMA1.EHN. 2020-12-24T10:50:07.70 0.3 undecidable manual P 30 0.2716 50 -0.06 74
IV.LNSS.HHZ. 2020-12-24T10:50:06.75 0.1 undecidable manual P 339 0.223 111 -0.01 100
IV.FIAM.HHZ. 2020-12-24T10:50:05.11 0.1 undecidable manual P 191 0.1295 123 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.5 0.0003135 0.38 AML other m 2020-12-24T10:50:07.77
IV.FIAM.HHE. ML:1.4 0.0002495 0.4 AML other m 2020-12-24T10:50:07.60
IV.LNSS.HHN. ML:1.6 0.0002285 1.68 AML other m 2020-12-24T10:50:10.87
IV.LNSS.HHE. ML:1.6 0.0002335 1.44 AML other m 2020-12-24T10:50:11.00
IV.NRCA.HHE. ML:2 0.0002915 0.12 AML other m 2020-12-24T10:50:17.85
IV.NRCA.HHN. ML:1.8 0.0001545 0.12 AML other m 2020-12-24T10:50:18.18
IV.T0110.HHE. ML:1.5 7.945E-5 0.34 AML other m 2020-12-24T10:50:25.20
IV.T0110.HHN. ML:1.6 9.435E-5 0.36 AML other m 2020-12-24T10:50:25.70
IV.MPAG.HNN. ML:2.9 0.0004505 0.52 AML other m 2020-12-24T10:50:44.49
IV.MPAG.HNE. ML:2.8 0.0003925 1.8 AML other m 2020-12-24T10:50:44.06
IV.SPS2.HHN. ML:2.9 3.27E-5 1.24 AML other m 2020-12-24T10:51:15.02
IV.SPS2.HHE. ML:2.6 2.125E-5 1.36 AML other m 2020-12-24T10:51:25.12
IV.SIRI.HHE. ML:2.7 5.085E-5 0.12 AML other m 2020-12-24T10:51:38.93
IV.SIRI.HHN. ML:2.8 5.265E-5 0.72 AML other m 2020-12-24T10:52:07.67
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