Earthquake with magnitude of ML 1.2 on date 08-10-2020 and time 06:36:02 (Italy) in region 4 km SW Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 08-10-2020 04:36:02 (UTC)
  • 08-10-2020 06:36:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6650, 13.2300 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Accumoli RI 4 667 667
Amatrice RI 6 2657 3324
Cittareale RI 8 482 3806
Arquata del Tronto AP 13 1178 4984
Montereale AQ 16 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Norcia PG 18 4957 13729
Borbona RI 19 617 14346
Cascia PG 19 3217 17563
Acquasanta Terme AP 19 2916 20479
Posta RI 19 694 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
84 Km W of Pescara (121014 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
96 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
Reviewed
Rev100
ML 1.2 2020-10-08
04:36:02
42.6648 13.2298 13 2020-10-08
04:44:56
Sala Sismica INGV-Roma 83606911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-08 04:36:02 ± 0.08
Latitude 42.6648 ± 0.0045
Longitude 13.2298 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83606911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42718
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 83606911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-08 04:44:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-10-08T04:36:26.47 3.0 undecidable manual S -4.1 0
IV.MC2.EHZ. 2020-10-08T04:36:13.05 0.6 undecidable manual S 353 27.5502 97 0.37 61
IV.TERO.HHZ. 2020-10-08T04:36:13.40 0.6 undecidable manual S 99 30.8469 96 -0.16 64
IV.MMO1.EHZ. 2020-10-08T04:36:12.67 0.6 undecidable manual S 17 27.1506 98 0.09 65
IV.GAVE.EHZ. 2020-10-08T04:36:12.59 0.6 undecidable manual S 276 27.5502 97 -0.08 66
IV.CSP1.EHZ. 2020-10-08T04:36:11.82 0.3 undecidable manual P 358 47.4192 93 0.26 92
IV.FDMO.HHZ. 2020-10-08T04:36:10.85 0.3 undecidable manual P 344 42.8238 94 -0.01 97
IV.RM33.EHZ. 2020-10-08T04:36:10.11 0.6 undecidable manual S 184 17.3715 109 0.1 67
IV.NRCA.HHZ. 2020-10-08T04:36:10.72 0.6 undecidable manual S 333 20.9679 103 -0.22 65
IV.LNSS.HHZ. 2020-10-08T04:36:09.84 0.6 undecidable manual S 246 16.9719 110 -0.06 67
IV.MTRA.EHZ. 2020-10-08T04:36:09.76 0.6 undecidable manual S 53 16.9719 110 -0.16 66
IV.TERO.HHZ. 2020-10-08T04:36:09.15 0.3 undecidable manual P 99 30.8469 96 0.13 97
IV.MMO1.EHZ. 2020-10-08T04:36:08.49 0.3 undecidable manual P 17 27.1506 98 0.03 99
IV.MC2.EHZ. 2020-10-08T04:36:08.24 0.3 undecidable manual P 353 27.5502 97 -0.28 94
IV.GAVE.EHZ. 2020-10-08T04:36:08.58 0.3 undecidable manual P 276 27.5502 97 0.07 99
IV.SMA1.EHZ. 2020-10-08T04:36:08.44 0.3 undecidable manual S 114 9.3795 134 0.25 98
IV.NRCA.HHZ. 2020-10-08T04:36:07.45 0.3 undecidable manual P 333 20.9679 103 -0.06 100
IV.LNSS.HHZ. 2020-10-08T04:36:07.03 0.3 undecidable manual P 246 16.9719 110 0.12 99
IV.MTRA.EHZ. 2020-10-08T04:36:07.01 0.3 undecidable manual P 53 16.9719 110 0.09 100
IV.RM33.EHZ. 2020-10-08T04:36:07.16 0.3 undecidable manual P 184 17.3715 109 0.19 98
IV.SMA1.EHZ. 2020-10-08T04:36:05.00 0.3 undecidable manual P 114 9.3795 134 -0.92 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.0 0.00008535941 0.16 AML other m 2020-10-08T04:36:09.81
IV.MTRA.EHN. ML:0.9 0.000061828065 0.16 AML other m 2020-10-08T04:36:10.16
IV.MTRA.HNN. ML:1.2 0.000109063545 0.4896 AML other m 2020-10-08T04:36:09.13
IV.LNSS.HHE. ML:1.2 0.00011998 0.0992 AML other m 2020-10-08T04:36:10.23
IV.LNSS.HHN. ML:1.3 0.00015699721 0.1216 AML other m 2020-10-08T04:36:10.12
IV.LNSS.HNE. ML:1.2 0.00013472820000000002 0.1088 AML other m 2020-10-08T04:36:10.22
IV.LNSS.HNN. ML:1.3 0.000152752035 0.1408 AML other m 2020-10-08T04:36:10.12
IV.RM33.EHE. ML:1.2 0.0001226437 0.1408 AML other m 2020-10-08T04:36:10.52
IV.RM33.EHN. ML:1.1 0.00010441657 0.1184 AML other m 2020-10-08T04:36:10.31
IV.RM33.HNE. ML:1.3 0.0001442113 0.5888 AML other m 2020-10-08T04:36:10.01
IV.RM33.HNN. ML:1.3 0.00014933623000000002 0.16 AML other m 2020-10-08T04:36:10.31
IV.GAVE.EHE. ML:1.1 0.000065533745 0.1376 AML other m 2020-10-08T04:36:14.01
IV.GAVE.EHN. ML:1.2 0.00008270472 0.2816 AML other m 2020-10-08T04:36:12.79
IV.TERO.HHE. ML:0.9 0.00003657483 0.1408 AML other m 2020-10-08T04:36:13.68
IV.TERO.HHN. ML:0.8 0.0000234193055 0.0608 AML other m 2020-10-08T04:36:13.48
IV.CSP1.EHN. ML:1.3 0.00005401404 0.7008 AML other m 2020-10-08T04:36:24.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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