Earthquake with magnitude of ML 1.7 on date 06-12-2020 and time 06:13:32 (UTC) in region 3 km SW Amatrice (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km SW Amatrice (RI), on

  • 06-12-2020 06:13:32 (UTC)
  • 06-12-2020 07:13:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.61, 13.27 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 3 2657 2657
Cittareale RI 9 482 3139
Accumoli RI 10 667 3806
Montereale AQ 10 2581 6387
Campotosto AQ 10 542 6929
Capitignano AQ 10 665 7594
Borbona RI 15 617 8211
Posta RI 17 694 8905
Cagnano Amiterno AQ 17 1369 10274
Barete AQ 18 737 11011
Arquata del Tronto AP 18 1178 12189
Crognaleto TE 19 1297 13486
Pizzoli AQ 19 4326 17812
Cortino TE 20 656 18468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 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 1.7 2020-12-06
06:13:32
42.61 13.27 11 2021-02-26
14:56:18
Bollettino Sismico Italiano INGV 86889581
Reviewed
Rev100
ML 1.8 2020-12-06
06:13:32
42.61 13.26 12 2020-12-06
06:19:41
Sala Sismica INGV-Roma 85235591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-06 06:13:32 ± 0.08
Latitude 42.61 ± 0.00
Longitude 13.27 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86889581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.73654
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 85235591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-06 06:19:41

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 86889581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-06 18:43:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATCC.EHE. 2020-12-06T06:13:58.48 0.6 undecidable manual S 322 0.7365 50 1.35 27
IV.PF6.EHZ. 2020-12-06T06:13:51.10 3.0 undecidable manual S 0
IV.CESI.HHZ. 2020-12-06T06:13:49.71 0.3 undecidable manual S 326 0.4766 50 0.28 65
IV.GUMA.HHZ. 2020-12-06T06:13:49.69 3.0 undecidable manual S 0
IV.CSP1.EHZ. 2020-12-06T06:13:49.83 0.3 undecidable manual S 354 0.4838 50 0.18 66
IV.FDMO.HHZ. 2020-12-06T06:13:48.34 0.3 undecidable manual S 343 0.4461 50 -0.21 67
IV.MF5.EHZ. 2020-12-06T06:13:48.14 0.3 undecidable manual S 20 0.4029 50 0.89 54
IV.ATCC.EHE. 2020-12-06T06:13:46.91 0.3 undecidable manual P 322 0.7365 50 0.07 64
IV.GIGS.HHN. 2020-12-06T06:13:43.28 0.3 undecidable manual S 125 0.2734 50 -0.15 70
IV.T0110.HHZ. 2020-12-06T06:13:43.48 0.1 undecidable manual P 135 0.5342 50 0.1 89
MN.AQU.HNN. 2020-12-06T06:13:43.94 0.6 undecidable manual S 158 0.2752 50 0.47 43
IV.NRCA.HHZ. 2020-12-06T06:13:42.24 0.3 undecidable manual S 333 0.25 50 -0.5 65
IV.TERO.HHZ. 2020-12-06T06:13:42.26 0.1 undecidable manual S 87 0.2473 50 -0.38 89
IV.CESI.HHZ. 2020-12-06T06:13:42.22 0.1 undecidable manual P 326 0.4766 50 -0.17 89
IV.CSP1.EHZ. 2020-12-06T06:13:42.51 0.1 undecidable manual P 354 0.4838 50 -0.01 92
IV.FAGN.HHZ. 2020-12-06T06:13:41.21 0.3 undecidable manual P 146 0.4155 50 -0.14 68
IV.MF5.EHZ. 2020-12-06T06:13:41.55 0.3 undecidable manual P 20 0.4029 50 0.42 64
IV.FDMO.HHZ. 2020-12-06T06:13:41.71 0.3 undecidable manual P 343 0.4461 50 -0.17 67
IV.LNSS.HHZ. 2020-12-06T06:13:39.95 0.1 undecidable manual S 268 0.1682 120 -0.28 92
IV.GUMA.HHZ. 2020-12-06T06:13:39.68 3.0 undecidable manual P 0
IV.MTRA.EHZ. 2020-12-06T06:13:39.92 0.1 undecidable manual S 33 0.1745 119 -0.52 87
MN.AQU.HNN. 2020-12-06T06:13:38.98 0.3 undecidable manual P 158 0.2752 50 0.03 71
IV.NRCA.HHZ. 2020-12-06T06:13:38.23 0.1 undecidable manual P 333 0.25 50 -0.3 90
IV.GIGS.HHN. 2020-12-06T06:13:38.80 0.1 undecidable manual P 125 0.2734 50 -0.13 93
IV.TERO.HHZ. 2020-12-06T06:13:38.42 0.1 undecidable manual P 87 0.2473 50 -0.05 95
IV.MTRA.EHZ. 2020-12-06T06:13:37.05 0.1 undecidable manual P 33 0.1745 119 -0.15 95
IV.LNSS.HHZ. 2020-12-06T06:13:37.07 0.1 undecidable manual P 268 0.1682 120 -0.01 98
IV.SMA1.EHZ. 2020-12-06T06:13:37.24 0.1 undecidable manual S 67 0.0531 151 0.23 95
IV.T1299.HNN. 2020-12-06T06:13:36.63 0.1 undecidable manual S 23 0.0261 165 0.02 100
IV.T1299.HNN. 2020-12-06T06:13:35.24 0.1 undecidable manual P 23 0.0261 165 0.25 95
IV.SMA1.EHZ. 2020-12-06T06:13:35.60 0.1 undecidable manual P 67 0.0531 151 0.38 92
IV.PF6.EHZ. 2020-12-06T06:13:34.16 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.1 0.0018183645 0.16 AML other m 2020-12-06T06:13:37.88
IV.SMA1.EHN. ML:2.1 0.0018808235 0.1984 AML other m 2020-12-06T06:13:37.60
IV.MTRA.EHE. ML:1.5 0.0002314609 0.08 AML other m 2020-12-06T06:13:40.04
IV.LNSS.HHN. ML:1.7 0.00038548265 0.3008 AML other m 2020-12-06T06:13:41.60
IV.LNSS.HHE. ML:1.8 0.0005405 0.16 AML other m 2020-12-06T06:13:40.13
IV.MTRA.EHN. ML:1.6 0.0003045 0.26 AML other m 2020-12-06T06:13:40.75
IV.NRCA.HNN. ML:2.1 0.000665 0.14 AML other m 2020-12-06T06:13:42.44
IV.NRCA.HHN. ML:2.1 0.0006375 0.14 AML other m 2020-12-06T06:13:42.37
IV.NRCA.HHE. ML:2.2 0.00085 0.12 AML other m 2020-12-06T06:13:42.46
IV.NRCA.HNE. ML:2.2 0.0007925 0.12 AML other m 2020-12-06T06:13:42.46
IV.TERO.HHN. ML:1.7 0.00024588815 0.0608 AML other m 2020-12-06T06:13:42.44
IV.TERO.HHE. ML:1.6 0.00019557445 0.08 AML other m 2020-12-06T06:13:43.52
IV.MTRA.HNE. ML:1.5 0.0002424547 0.1088 AML other m 2020-12-06T06:13:39.98
IV.MTRA.HNN. ML:1.6 0.00027622085 0.2496 AML other m 2020-12-06T06:13:40.75
IV.LNSS.HNN. ML:1.7 0.00037241865 0.2496 AML other m 2020-12-06T06:13:41.17
IV.LNSS.HNE. ML:1.8 0.0005119058 0.1696 AML other m 2020-12-06T06:13:40.13
IV.TERO.HNE. ML:1.6 0.00018930982 0.1408 AML other m 2020-12-06T06:13:43.60
IV.TERO.HNN. ML:1.7 0.0002631011 0.0576 AML other m 2020-12-06T06:13:42.39
IV.MF5.EHE. ML:1.8 0.00018893445 1.2608 AML other m 2020-12-06T06:13:49.44
IV.MF5.EHN. ML:1.8 0.0002116248 1.5968 AML other m 2020-12-06T06:13:49.29
IV.FDMO.HHE. ML:1.3 5.2272755E-5 0.24 AML other m 2020-12-06T06:13:49.57
IV.FDMO.HHN. ML:1.4 6.5743015E-5 0.1792 AML other m 2020-12-06T06:13:48.88
IV.CESI.HHN. ML:1.4 5.4625125E-5 0.1408 AML other m 2020-12-06T06:13:50.92
IV.CESI.HHE. ML:1.5 7.554704E-5 1.9008 AML other m 2020-12-06T06:13:50.52
IV.CSP1.EHE. ML:2 0.000208456 1.2576 AML other m 2020-12-06T06:13:52.68
IV.CSP1.EHN. ML:1.9 0.0001873591 1.2608 AML other m 2020-12-06T06:13:49.77
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download