Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-11-2020 and time 19:10:48 (Italy) in region 2 km SE Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Ussita (MC), on

  • 15-11-2020 18:10:48 (UTC)
  • 15-11-2020 19:10:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9330, 13.1500 at 15 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
Ussita MC 2 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 5 1107 1832
Bolognola MC 9 142 1974
Preci PG 11 724 2698
Acquacanina MC 11 121 2819
Fiastra MC 12 559 3378
Fiordimonte MC 13 202 3580
Monte Cavallo MC 14 145 3725
Montemonaco AP 15 604 4329
Pieve Torina MC 15 1458 5787
Pievebovigliana MC 15 866 6653
Montefortino FM 16 1178 7831
Norcia PG 16 4957 12788
Sarnano MC 17 3264 16052
Amandola FM 18 3629 19681
Montegallo AP 18 523 20204
Sellano PG 19 1079 21283
Muccia MC 19 915 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 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 0.9 2020-11-15
18:10:48		 42.9328 13.1498 15 2020-11-15
18:15:51		 Sala Sismica INGV-Roma 84752591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-15 18:10:48 ± 0.18
Latitude 42.9328 ± 0.0072
Longitude 13.1498 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84752591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 677
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84752591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-15 18:15:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-11-15T18:11:09.68 3.0 undecidable manual P 0.3 0
IV.PE3.EHZ. 2020-11-15T18:11:06.00 3.0 undecidable manual P -0.79 0
IV.MF5.EHZ. 2020-11-15T18:10:59.00 0.6 undecidable manual S 76 25.8519 105 0.95 35
IV.PF6.EHN. 2020-11-15T18:10:57.01 0.3 undecidable manual S 9 23.0547 108 -0.31 71
IV.CESI.HHZ. 2020-11-15T18:10:57.36 0.6 undecidable manual S 292 21.4674 110 0.44 46
IV.CSP1.EHZ. 2020-11-15T18:10:56.13 0.6 undecidable manual S 14 18.1707 116 0.01 50
IV.MML1.EHZ. 2020-11-15T18:10:54.00 1.0 undecidable manual P 324 24.6531 106 0.14 24
IV.MMO1.EHZ. 2020-11-15T18:10:54.92 0.6 undecidable manual S 104 14.874 123 -0.42 47
IV.MF5.EHZ. 2020-11-15T18:10:54.32 1.0 undecidable manual P 76 25.8519 105 0.28 23
IV.NRCA.HHZ. 2020-11-15T18:10:54.38 0.6 undecidable manual S 195 11.3775 133 -0.23 48
IV.FDMO.HHZ. 2020-11-15T18:10:54.70 0.6 undecidable manual S 336 12.5763 129 -0.15 49
IV.CESI.HHZ. 2020-11-15T18:10:53.45 0.3 undecidable manual P 292 21.4674 110 0.06 75
IV.MC2.EHZ. 2020-11-15T18:10:53.59 0.6 undecidable manual S 127 3.996 162 0.06 51
IV.PF6.EHN. 2020-11-15T18:10:53.43 0.6 undecidable manual P 9 23.0547 108 -0.19 48
IV.NRCA.HHZ. 2020-11-15T18:10:52.01 0.1 undecidable manual P 195 11.3775 133 -0.04 100
IV.FDMO.HHZ. 2020-11-15T18:10:52.11 1.0 undecidable manual P 336 12.5763 129 -0.08 25
IV.MMO1.EHZ. 2020-11-15T18:10:52.37 0.6 undecidable manual P 104 14.874 123 -0.1 50
IT.MTCL.HGE. 2020-11-15T18:10:52.42 0.6 undecidable manual P 299 13.9749 125 0.06 50
IV.CSP1.EHZ. 2020-11-15T18:10:52.79 1.0 undecidable manual P 14 18.1707 116 -0.13 25
IV.MC2.EHZ. 2020-11-15T18:10:51.54 0.3 negative manual P 127 3.996 162 0.11 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.00010130896 0.1536 AML other m 2020-11-15T18:10:54.49
IV.NRCA.HHN. ML:0.8 0.000059594560000000004 0.1152 AML other m 2020-11-15T18:10:55.15
IV.NRCA.HNE. ML:1.2 0.00014057605000000002 0.96 AML other m 2020-11-15T18:10:51.17
IV.NRCA.HNN. ML:1.2 0.00012963415 0.768 AML other m 2020-11-15T18:10:51.17
IV.FDMO.HHE. ML:0.5 0.000028194419999999997 0.1792 AML other m 2020-11-15T18:10:55.03
IV.FDMO.HHN. ML:0.8 0.00005937373 0.1152 AML other m 2020-11-15T18:10:55.07
IV.CSP1.EHE. ML:0.8 0.00004006651 0.1536 AML other m 2020-11-15T18:10:56.44
IV.CSP1.EHN. ML:0.6 0.00003159434 0.0512 AML other m 2020-11-15T18:10:56.48
IV.CESI.HHE. ML:0.4 0.0000174781015 0.1408 AML other m 2020-11-15T18:10:57.65
IV.CESI.HHN. ML:0.9 0.000050570940000000003 0.2048 AML other m 2020-11-15T18:10:57.61
IV.CESI.HNE. ML:1.3 0.00011303999500000001 0.7936 AML other m 2020-11-15T18:11:04.17
IV.CESI.HNN. ML:1.3 0.000124323095 0.1664 AML other m 2020-11-15T18:11:06.09
IV.MF5.EHE. ML:0.6 0.000018686555000000002 0.32 AML other m 2020-11-15T18:10:57.75
IV.MF5.EHN. ML:1.1 0.000059877305000000004 1.7792 AML other m 2020-11-15T18:11:08.35
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