Earthquake with magnitude of ML 1.1 on date 19-12-2020 and time 04:22:38 (UTC) in region 1 km SE Cagnano Amiterno (AQ)

A magnitude ML 1.1 earthquake occured in region: 1 km SE Cagnano Amiterno (AQ), on

  • 19-12-2020 04:22:38 (UTC)
  • 19-12-2020 05:22:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.454, 13.23 at 13 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
Cagnano Amiterno AQ 1 1369 1369
Barete AQ 4 737 2106
Pizzoli AQ 6 4326 6432
Montereale AQ 8 2581 9013
Scoppito AQ 9 3727 12740
Capitignano AQ 10 665 13405
Borbona RI 10 617 14022
Antrodoco RI 13 2588 16610
Posta RI 13 694 17304
Micigliano RI 14 127 17431
Borgo Velino RI 15 972 18403
Campotosto AQ 16 542 18945
Castel Sant'Angelo RI 18 1308 20253
L'Aquila AQ 18 69753 90006
Tornimparte AQ 19 3187 93193
Cittareale RI 19 482 93675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
78 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 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 1.1 2020-12-19
04:22:38
42.4538 13.2298 13 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86073621
Reviewed
Rev100
ML 1.1 2020-12-19
04:22:38
42.4487 13.2347 12 2020-12-19
04:27:24
Sala Sismica INGV-Roma 85534311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 04:22:38 ± 0.04
Latitude 42.4538 ± 0.0027
Longitude 13.2298 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86073621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 286
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.15558
Epicentral distance of station farthest from the epicenter (degree) 0.57377
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86073621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-07 13:41:37

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 85534311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 04:27:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MC2.EHZ. 2020-12-19T04:22:55.14 0.3 undecidable manual S 356 0.4587 93 0.3 67
IV.MMO1.EHZ. 2020-12-19T04:22:54.75 0.3 undecidable manual S 9 0.4506 93 0.13 69
IV.NRCA.HHZ. 2020-12-19T04:22:52.85 0.3 undecidable manual S 347 0.3885 93 0.06 71
IV.GAVE.EHZ. 2020-12-19T04:22:51.19 0.3 undecidable manual S 314 0.3435 94 -0.24 70
IV.ARRO.EHE. 2020-12-19T04:22:51.80 0.3 undecidable manual S 290 0.3642 93 -0.25 69
IV.MF5.EHZ. 2020-12-19T04:22:50.14 0.3 undecidable manual P 17 0.5594 92 0.35 65
IV.SRES.HHN. 2020-12-19T04:22:50.49 0.3 undecidable manual P 248 0.5738 92 0.45 64
IV.TERO.HHZ. 2020-12-19T04:22:50.54 0.3 undecidable manual S 58 0.3229 94 -0.3 69
IV.MTRA.HNZ. 2020-12-19T04:22:50.68 0.3 undecidable manual S 22 0.3265 94 -0.26 70
IV.MTCE.HHZ. 2020-12-19T04:22:50.19 0.3 undecidable manual P 220 0.5621 92 0.36 65
IV.GIGS.HHZ. 2020-12-19T04:22:48.58 0.3 undecidable manual S 90 0.2527 96 -0.19 71
IV.PTQR.HHZ. 2020-12-19T04:22:48.19 0.3 undecidable manual P 164 0.4497 93 0.28 68
IV.MC2.EHZ. 2020-12-19T04:22:48.04 0.3 undecidable manual P 356 0.4587 93 -0.02 71
IV.SMA1.EHZ. 2020-12-19T04:22:47.03 0.3 undecidable manual S 24 0.1925 101 0.02 75
IV.FIAM.HHZ. 2020-12-19T04:22:47.13 0.3 undecidable manual S 204 0.2032 100 -0.19 72
IV.MMO1.EHZ. 2020-12-19T04:22:47.96 0.1 undecidable manual P 9 0.4506 93 0.03 95
IV.LNSS.HHZ. 2020-12-19T04:22:47.08 0.3 undecidable manual S 317 0.2041 100 -0.26 72
IV.T1299.EHE. 2020-12-19T04:22:46.76 0.3 undecidable manual S 12 0.1844 102 0 75
IV.ARRO.EHE. 2020-12-19T04:22:46.34 0.3 undecidable manual P 290 0.3642 93 -0.11 71
IV.NRCA.HHZ. 2020-12-19T04:22:46.80 0.3 undecidable manual P 347 0.3885 93 -0.07 72
MN.AQU.HHE. 2020-12-19T04:22:45.95 0.3 undecidable manual S 128 0.1637 106 -0.21 72
IV.TERO.HHZ. 2020-12-19T04:22:45.60 0.1 undecidable manual P 58 0.3229 94 -0.15 95
IV.CAMP.HHZ. 2020-12-19T04:22:45.99 0.3 undecidable manual S 58 0.1556 107 0.06 75
IV.MTRA.HNZ. 2020-12-19T04:22:45.92 0.1 undecidable manual P 22 0.3265 94 0.11 96
IV.GAVE.EHZ. 2020-12-19T04:22:45.90 0.3 undecidable manual P 314 0.3435 94 -0.19 71
IV.GIGS.HHZ. 2020-12-19T04:22:44.31 0.1 undecidable manual P 90 0.2527 96 -0.25 94
IV.CAMP.HHZ. 2020-12-19T04:22:43.00 0.1 undecidable manual P 58 0.1556 107 0.08 100
IV.LNSS.HHZ. 2020-12-19T04:22:43.79 0.1 undecidable manual P 317 0.2041 100 0.06 99
IV.T1299.EHE. 2020-12-19T04:22:43.57 0.3 undecidable manual P 12 0.1844 102 0.17 73
IV.SMA1.EHZ. 2020-12-19T04:22:43.67 0.1 undecidable manual P 24 0.1925 101 0.13 98
MN.AQU.HHE. 2020-12-19T04:22:43.19 0.3 undecidable manual P 128 0.1637 106 0.14 74
IV.FIAM.HHZ. 2020-12-19T04:22:43.74 0.1 undecidable manual P 204 0.2032 100 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.6 3.245E-5 1.34 AML other m 2020-12-19T04:22:46.95
IV.CAMP.HHN. ML:0.7 3.985E-5 0.3 AML other m 2020-12-19T04:22:46.29
IV.FIAM.HHN. ML:0.8 3.95E-5 0.44 AML other m 2020-12-19T04:22:47.63
IV.FIAM.HHE. ML:0.9 4.69E-5 0.24 AML other m 2020-12-19T04:22:47.48
IV.SMA1.EHN. ML:1.2 0.000114 0.28 AML other m 2020-12-19T04:22:47.68
IV.SMA1.EHE. ML:1.3 0.000137 0.46 AML other m 2020-12-19T04:22:47.56
IV.LNSS.HHE. ML:1.2 9.525E-5 0.46 AML other m 2020-12-19T04:22:47.83
IV.LNSS.HHN. ML:1.2 0.000112 1.58 AML other m 2020-12-19T04:22:47.19
IV.TERO.HHE. ML:1 3.71E-5 1.48 AML other m 2020-12-19T04:22:50.91
IV.TERO.HHN. ML:1.1 4.315E-5 1.14 AML other m 2020-12-19T04:22:51.16
IV.NRCA.HHE. ML:1.3 6.21E-5 0.28 AML other m 2020-12-19T04:22:53.56
IV.NRCA.HHN. ML:1.2 5.035E-5 0.36 AML other m 2020-12-19T04:22:53.79
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