Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 10-11-2020 and time 10:56:29 (UTC) in region 5 km SW Accumoli (RI)

A magnitude ML 0.7 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 10-11-2020 10:56:29 (UTC)
  • 10-11-2020 11:56:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6620, 13.2050 at 10 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.

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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 5 667 667
Cittareale RI 6 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 15 1178 4984
Montereale AQ 16 2581 7565
Cascia PG 17 3217 10782
Norcia PG 17 4957 15739
Capitignano AQ 18 665 16404
Borbona RI 18 617 17021
Posta RI 18 694 17715
Campotosto AQ 18 542 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
86 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
94 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 0.7 2020-11-10
10:56:29		 42.6618 13.2048 10 2020-11-10
11:05:30		 Sala Sismica INGV-Roma 84602841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-10 10:56:29 ± 0.09
Latitude 42.6618 ± 0.0054
Longitude 13.2048 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84602841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 563
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 84602841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-10 11:05:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HJZ. 2020-11-10T10:56:42.23 0.3 undecidable manual S 127 37.9287 50 -0.17 71
IV.MMO1.HNE. 2020-11-10T10:56:39.65 0.3 undecidable manual S 21 28.1496 50 -0.14 73
IV.MC2.EHE. 2020-11-10T10:56:39.95 0.3 undecidable manual S 357 27.75 50 0.28 71
IV.GAVE.EHZ. 2020-11-10T10:56:38.85 0.3 undecidable manual S 278 25.5522 111 -0.23 72
IV.NRCA.HHZ. 2020-11-10T10:56:37.04 0.3 undecidable manual S 339 20.4684 116 -0.41 69
IV.GIGS.HJZ. 2020-11-10T10:56:36.83 0.3 undecidable manual P 127 37.9287 50 -0.15 71
IV.MTRA.HNZ. 2020-11-10T10:56:36.90 0.3 undecidable manual S 56 18.87 118 -0.06 75
IV.LNSS.HHZ. 2020-11-10T10:56:35.92 0.3 undecidable manual S 244 14.9739 124 0.13 75
IV.MMO1.HNE. 2020-11-10T10:56:35.51 0.3 undecidable manual P 21 28.1496 50 0.04 74
IV.SMA1.EHZ. 2020-11-10T10:56:35.75 3.0 undecidable manual S 0
IV.MC2.EHE. 2020-11-10T10:56:35.97 0.1 undecidable manual P 357 27.75 50 0.57 87
IV.NRCA.HHZ. 2020-11-10T10:56:34.01 0.1 undecidable manual P 339 20.4684 116 -0.11 99
IV.GAVE.EHZ. 2020-11-10T10:56:34.89 0.1 undecidable manual P 278 25.5522 111 -0.17 97
IV.LNSS.HHZ. 2020-11-10T10:56:33.38 0.1 undecidable manual P 244 14.9739 124 0.22 98
IV.TERO.HHZ. 2020-11-10T10:56:33.60 3.0 undecidable manual P 0
IV.MTRA.HNZ. 2020-11-10T10:56:33.91 0.1 undecidable manual P 56 18.87 118 0.07 100
IV.SMA1.EHZ. 2020-11-10T10:56:31.59 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.8 0.000055988665 0.1216 AML other m 2020-11-10T10:56:36.36
IV.LNSS.HHN. ML:0.8 0.00006211037 0.1792 AML other m 2020-11-10T10:56:36.18
IV.TERO.HHE. ML:0.5 0.000016926299999999998 0.064 AML other m 2020-11-10T10:56:40.69
IV.TERO.HHN. ML:0.8 0.000026814104999999998 0.064 AML other m 2020-11-10T10:56:40.72
IV.NRCA.HHE. ML:1.0 0.000065488085 0.1152 AML other m 2020-11-10T10:56:37.32
IV.NRCA.HHN. ML:0.6 0.000031433095 0.096 AML other m 2020-11-10T10:56:38.31
IV.GAVE.EHE. ML:0.7 0.000031830412000000006 0.224 AML other m 2020-11-10T10:56:39.48
IV.GAVE.EHN. ML:0.5 0.000020539665 0.1152 AML other m 2020-11-10T10:56:38.90
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