Earthquake with magnitude of ML 0.5 on date 15-11-2021 and time 14:41:50 (UTC) in region 1 km SW Ussita (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km SW Ussita (MC), on

  • 15-11-2021 14:41:50 (UTC)
  • 15-11-2021 15:41:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9340, 13.1320 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
Ussita MC 1 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 10 724 2556
Bolognola MC 10 142 2698
Acquacanina MC 11 121 2819
Fiastra MC 12 559 3378
Fiordimonte MC 12 202 3580
Monte Cavallo MC 13 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 15 866 6049
Norcia PG 16 4957 11006
Montemonaco AP 16 604 11610
Montefortino FM 17 1178 12788
Sellano PG 17 1079 13867
Sarnano MC 18 3264 17131
Muccia MC 18 915 18046
Amandola FM 19 3629 21675
Montegallo AP 19 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
95 Km W 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 0.5 2021-11-15
14:41:50
42.9337 13.1318 13 2021-11-15
14:52:14
Sala Sismica INGV-Roma 97481061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-15 14:41:50 ± 0.09
Latitude 42.9337 ± 0.0036
Longitude 13.1318 ± 0.0049
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 97481061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 378
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18076
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 97481061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-15 14:52:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.HNZ. 2021-11-15T14:42:51.18 3.0 undecidable manual Sg 0.12 0
IV.PE3.EHZ. 2021-11-15T14:42:49.66 3.0 undecidable manual Sg 9.99 0
IV.HCRL.HHZ. 2021-11-15T14:42:48.35 3.0 negative manual Pg 5.26 0
IV.AMUR.HHZ. 2021-11-15T14:42:47.99 3.0 negative manual Pg 13.78 0
IV.PP3.EHZ. 2021-11-15T14:42:46.72 3.0 undecidable manual Sn -7.07 0
IV.SPS2.HHZ. 2021-11-15T14:42:44.55 3.0 negative manual Pg 5.89 0
IV.NOCI.HHZ. 2021-11-15T14:42:42.91 3.0 positive manual Pg 3.65 0
IV.MML1.EHZ. 2021-11-15T14:42:39.56 3.0 undecidable manual Sg -1.25 0
IV.PLLN.EHZ. 2021-11-15T14:42:38.56 3.0 positive manual Pg 9.24 0
IV.APEC.HHZ. 2021-11-15T14:42:35.38 3.0 undecidable manual Sg -1.37 0
IV.COR1.EHZ. 2021-11-15T14:42:34.66 3.0 undecidable manual Sn -9.99 0
IV.IMOL.HNZ. 2021-11-15T14:42:34.96 3.0 undecidable manual Sn -5.07 0
OT.OT15.EHZ. 2021-11-15T14:42:25.22 3.0 negative manual Pn -9.99 0
CH.BERNI.HHZ. 2021-11-15T14:42:23.02 3.0 undecidable manual Pn 6.92 0
IV.PTCC.HHZ. 2021-11-15T14:42:22.22 3.0 undecidable manual Pn -7.41 0
IV.IFIL.HHZ. 2021-11-15T14:42:17.93 3.0 negative manual Pn -9.79 0
IV.PAOL.HHZ. 2021-11-15T14:42:12.24 3.0 undecidable manual Pg -0.81 0
IV.ERC.EHZ. 2021-11-15T14:42:07.96 3.0 undecidable manual Pn -9.64 0
IT.PLTA.HNZ. 2021-11-15T14:42:06.50 3.0 undecidable manual Pn -7.5 0
IV.EUCT.HNZ. 2021-11-15T14:42:02.79 3.0 negative manual Pn 4.42 0
IV.BOZZ.EHZ. 2021-11-15T14:41:59.32 3.0 negative manual Pn -0.87 0
IV.CSP1.EHZ. 2021-11-15T14:41:58.04 0.3 undecidable manual S 19 18.5703 107 0.07 74
IV.CESI.HHZ. 2021-11-15T14:41:58.29 0.3 undecidable manual S 293 20.0688 104 -0.08 75
IV.MMO1.EHZ. 2021-11-15T14:41:57.21 0.3 undecidable manual S 103 16.2726 112 -0.19 72
IV.FIU.EHZ. 2021-11-15T14:41:57.36 3.0 negative manual Pn -2.06 0
IV.FDMO.HHZ. 2021-11-15T14:41:56.21 0.3 undecidable manual S 342 11.9769 124 -0.17 74
IV.MC2.EHZ. 2021-11-15T14:41:55.23 0.3 undecidable manual S 118 5.2947 152 0.04 76
IV.CESI.HHZ. 2021-11-15T14:41:55.06 0.1 undecidable manual P 293 20.0688 104 0.03 100
IV.MMO1.EHZ. 2021-11-15T14:41:54.45 0.3 undecidable manual P 103 16.2726 112 -0.03 75
IV.CSP1.EHZ. 2021-11-15T14:41:54.88 0.3 undecidable manual P 19 18.5703 107 0.08 74
IV.MC2.EHZ. 2021-11-15T14:41:53.32 0.1 undecidable manual P 118 5.2947 152 0.12 100
IV.FDMO.HHZ. 2021-11-15T14:41:53.90 0.3 undecidable manual P 342 11.9769 124 0.01 76
IV.CAFI.HHZ. 2021-11-15T14:41:50.26 3.0 negative manual P -0.38 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHE. ML:0.7 0.00006785235000000001 0.0832 AML other m 2021-11-15T14:41:55.52
IV.MC2.EHN. ML:0.7 0.00006955129999999998 0.1792 AML other m 2021-11-15T14:41:55.59
IV.FDMO.HHE. ML:0.5 0.0000309548915 0.1984 AML other m 2021-11-15T14:41:56.38
IV.FDMO.HHN. ML:0.3 0.000021924276 0.2176 AML other m 2021-11-15T14:41:56.52
IV.MMO1.EHE. ML:0.3 0.0000171716445 0.1152 AML other m 2021-11-15T14:41:57.64
IV.MMO1.EHN. ML:0.4 0.000021667924999999998 0.1024 AML other m 2021-11-15T14:41:57.27
IV.CSP1.EHE. ML:0.5 0.000022553195 0.3584 AML other m 2021-11-15T14:41:58.41
IV.CSP1.EHN. ML:0.6 0.00003205744999999999 0.1408 AML other m 2021-11-15T14:41:58.16
IV.CESI.HHE. ML:0.5 0.000021270750000000003 0.0768 AML other m 2021-11-15T14:41:58.89
IV.CESI.HHN. ML:0.6 0.0000296913655 0.0768 AML other m 2021-11-15T14:41:58.68
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download