Earthquake with magnitude of ML 1.6 on date 07-12-2020 and time 01:03:38 (UTC) in region 3 km SW Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Amatrice (RI), on

  • 07-12-2020 01:03:38 (UTC)
  • 07-12-2020 02:03:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.603, 13.276 at 10 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
Montereale AQ 9 2581 5238
Campotosto AQ 9 542 5780
Capitignano AQ 9 665 6445
Cittareale RI 10 482 6927
Accumoli RI 11 667 7594
Borbona RI 15 617 8211
Cagnano Amiterno AQ 16 1369 9580
Barete AQ 17 737 10317
Posta RI 17 694 11011
Crognaleto TE 18 1297 12308
Pizzoli AQ 19 4326 16634
Arquata del Tronto AP 19 1178 17812
Cortino TE 19 656 18468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
92 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 1.6 2020-12-07
01:03:38
42.603 13.2763 11 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86166671
Reviewed
Rev100
ML 1.7 2020-12-07
01:03:38
42.6003 13.2733 10 2020-12-07
01:08:38
Sala Sismica INGV-Roma 85256301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-07 01:03:38 ± 0.06
Latitude 42.6030 ± 0.0036
Longitude 13.2763 ± 0.0049
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 86166671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 318
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 470
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.5252
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 86166671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-11 09:11:00

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 85256301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-07 01:08:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-12-07T01:03:56.69 0.6 undecidable manual S 135 0.5252 50 0.23 45
IV.FDMO.HHN. 2020-12-07T01:03:54.59 0.3 undecidable manual S 342 0.4551 50 0.21 68
IV.GUMA.HNN. 2020-12-07T01:03:54.75 0.6 undecidable manual S 5 0.4614 50 0.17 46
IV.MF5.EHZ. 2020-12-07T01:03:53.31 0.6 undecidable manual S 19 0.4074 50 0.33 45
IV.MC2.EHZ. 2020-12-07T01:03:50.37 0.6 undecidable manual S 348 0.3148 50 0.14 48
MN.AQU.HNZ. 2020-12-07T01:03:48.98 0.6 undecidable manual S 159 0.2662 50 0.19 48
IV.T0110.HHZ. 2020-12-07T01:03:48.91 0.3 undecidable manual P 135 0.5252 50 0.12 69
IV.NRCA.HHZ. 2020-12-07T01:03:48.26 0.3 undecidable manual S 333 0.259 50 -0.33 69
IV.MNTT.EHZ. 2020-12-07T01:03:48.85 0.6 undecidable manual P 27 0.5153 50 0.23 45
IV.GIGS.HJZ. 2020-12-07T01:03:48.30 0.6 undecidable manual S 124 0.2644 50 -0.45 45
IV.GUMA.HNN. 2020-12-07T01:03:48.10 0.6 undecidable manual P 5 0.4614 50 0.4 44
IV.TERO.HHZ. 2020-12-07T01:03:47.64 0.3 undecidable manual S 85 0.2419 50 -0.43 68
IV.MF5.EHZ. 2020-12-07T01:03:47.16 0.1 undecidable manual P 19 0.4074 50 0.38 89
IV.FDMO.HHN. 2020-12-07T01:03:47.23 0.6 undecidable manual P 342 0.4551 50 -0.36 44
IV.MTRA.EHZ. 2020-12-07T01:03:45.65 0.3 undecidable manual S 30 0.1772 118 -0.39 70
IV.MC2.EHZ. 2020-12-07T01:03:45.06 0.6 undecidable manual P 348 0.3148 50 -0.13 48
IV.LNSS.HHZ. 2020-12-07T01:03:45.73 0.3 undecidable manual S 270 0.1736 118 -0.18 73
IV.GIGS.HJZ. 2020-12-07T01:03:44.13 0.3 undecidable manual P 124 0.2644 50 -0.21 71
IV.CAMP.HHZ. 2020-12-07T01:03:44.04 0.3 undecidable manual S 124 0.1187 128 -0.1 75
MN.AQU.HNZ. 2020-12-07T01:03:44.65 0.6 undecidable manual P 159 0.2662 50 0.29 47
IV.NRCA.HHZ. 2020-12-07T01:03:44.05 0.1 undecidable manual P 333 0.259 50 -0.19 95
IV.TERO.HHZ. 2020-12-07T01:03:43.74 0.3 undecidable manual P 85 0.2419 50 -0.2 71
IV.LNSS.HHZ. 2020-12-07T01:03:42.61 0.1 positive manual P 270 0.1736 118 -0.09 99
IV.MTRA.EHZ. 2020-12-07T01:03:42.70 0.3 undecidable manual P 30 0.1772 118 -0.07 74
IV.SMA1.EHZ. 2020-12-07T01:03:42.51 0.6 undecidable manual S 58 0.0513 151 0.07 51
IV.T1299.EHZ. 2020-12-07T01:03:42.04 0.3 undecidable manual S 8 0.0315 161 -0.09 76
IV.CAMP.HHZ. 2020-12-07T01:03:41.81 0.3 undecidable manual P 124 0.1187 128 0.14 74
IV.SMA1.EHZ. 2020-12-07T01:03:41.04 0.1 negative manual P 58 0.0513 151 0.35 96
IV.T1299.EHZ. 2020-12-07T01:03:40.68 0.1 undecidable manual P 8 0.0315 161 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.8 0.0010634713 0.12 AML other m 2020-12-07T01:03:42.78
IV.SMA1.EHE. ML:2.4 0.0039469285 0.44 AML other m 2020-12-07T01:03:42.97
IV.LNSS.HHE. ML:1.5 0.0002492975 0.2 AML other m 2020-12-07T01:03:45.70
IV.LNSS.HNE. ML:1.4 0.00020345705 0.1896 AML other m 2020-12-07T01:03:45.71
IV.MTRA.HNN. ML:1.7 0.00038027765 0.14 AML other m 2020-12-07T01:03:46.07
IV.MTRA.HNE. ML:1.7 0.00039266465 0.18 AML other m 2020-12-07T01:03:46.16
IV.MTRA.EHN. ML:1.7 0.00037970335 0.2 AML other m 2020-12-07T01:03:46.08
IV.MTRA.EHE. ML:1.8 0.0004278179 0.22 AML other m 2020-12-07T01:03:46.17
IV.LNSS.HHN. ML:1.6 0.0002745 0.24 AML other m 2020-12-07T01:03:46.70
IV.LNSS.HNN. ML:1.6 0.00027812965 0.24 AML other m 2020-12-07T01:03:46.82
IV.TERO.HHN. ML:1.5 0.00015637225 0.22 AML other m 2020-12-07T01:03:47.65
IV.TERO.HHE. ML:1.4 0.00013062171 0.18 AML other m 2020-12-07T01:03:47.83
IV.TERO.HNN. ML:1.4 0.0001419062 0.0704 AML other m 2020-12-07T01:03:47.96
IV.NRCA.HHE. ML:1.6 0.000203 0.12 AML other m 2020-12-07T01:03:48.39
IV.NRCA.HHN. ML:1.4 0.0001405 1.16 AML other m 2020-12-07T01:03:48.96
IV.NRCA.HNN. ML:1.7 0.0002357898 1.1496 AML other m 2020-12-07T01:03:48.96
IV.TERO.HNE. ML:1.5 0.00018457985 0.1296 AML other m 2020-12-07T01:03:48.97
IV.NRCA.HNE. ML:1.6 0.0001875902 0.1096 AML other m 2020-12-07T01:03:50.55
IV.T0110.HHE. ML:1.6 8.423338E-5 0.4 AML other m 2020-12-07T01:03:58.93
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