Earthquake with magnitude of ML 0.5 on date 13-11-2021 and time 13:52:28 (Italy) in region 1 km SW Ussita (MC)

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

  • 13-11-2021 12:52:28 (UTC)
  • 13-11-2021 13:52:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 13.1280 at 11 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 3 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 11 559 3378
Fiordimonte MC 12 202 3580
Monte Cavallo MC 12 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 14 866 6049
Norcia PG 16 4957 11006
Montemonaco AP 17 604 11610
Sellano PG 17 1079 12689
Montefortino FM 17 1178 13867
Muccia MC 18 915 14782
Sarnano MC 18 3264 18046
Amandola FM 19 3629 21675
Montegallo AP 20 523 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)
69 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
96 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 2021-11-13
12:52:28
42.9373 13.1283 11 2021-11-13
13:34:12
Sala Sismica INGV-Roma 97439181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-13 12:52:28 ± 0.03
Latitude 42.9373 ± 0.0018
Longitude 13.1283 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97439181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 213
Semi-minor axis of confidence ellipse (meter) 188
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) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17717
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 97439181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-13 13:34:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2021-11-13T12:52:56.43 3.0 undecidable manual Sg 11.16 0
IV.VOBA.EHZ. 2021-11-13T12:52:37.80 3.0 negative manual Pn -0.73 0
IV.CSP1.EHZ. 2021-11-13T12:52:36.32 0.3 undecidable manual S 20 18.2706 50 0.02 74
IV.CESI.HHZ. 2021-11-13T12:52:36.64 0.3 undecidable manual S 293 19.6692 50 -0.04 73
IV.PP3.EHZ. 2021-11-13T12:52:35.28 3.0 undecidable manual Sg 1.65 0
IV.FDMO.HHZ. 2021-11-13T12:52:34.52 0.3 undecidable manual S 343 11.4774 134 0.05 74
IV.CESI.HHZ. 2021-11-13T12:52:33.47 0.1 undecidable manual P 293 19.6692 50 0.05 97
IV.MC2.EHZ. 2021-11-13T12:52:33.22 0.3 undecidable manual S 120 5.6943 153 -0.03 75
IV.CSP1.EHZ. 2021-11-13T12:52:33.17 0.1 undecidable manual P 20 18.2706 50 -0.03 98
IV.MSSA.HHZ. 2021-11-13T12:52:32.62 3.0 negative manual Pn 0.22 0
IV.MOMA.HHZ. 2021-11-13T12:52:32.02 3.0 undecidable manual Sn -1.41 0
IV.FDMO.HHZ. 2021-11-13T12:52:32.08 0.1 undecidable manual P 343 11.4774 134 -0.06 98
IV.MC2.EHZ. 2021-11-13T12:52:31.47 0.1 undecidable manual P 120 5.6943 153 0.03 100
IV.ZCCA.HHZ. 2021-11-13T12:52:21.87 3.0 undecidable manual Pn -0.15 0
IV.BRSN.EHZ. 2021-11-13T12:52:16.05 3.0 positive manual Pn 1.67 0
IV.LAV9.HHZ. 2021-11-13T12:52:16.70 3.0 undecidable manual Sg 0.98 0
IV.IFIL.HHZ. 2021-11-13T12:52:11.43 3.0 undecidable manual Sn -3.44 0
IV.SACS.HHZ. 2021-11-13T12:52:10.16 3.0 negative manual Pg 9 0
IV.ERC.EHZ. 2021-11-13T12:52:04.74 3.0 undecidable manual Pg 2.83 0
IV.GIUL.HHZ. 2021-11-13T12:51:58.34 3.0 undecidable manual Sn -6.95 0
IV.LPEL.HHZ. 2021-11-13T12:51:55.16 3.0 undecidable manual S -5.16 0
IV.TST01.HHZ. 2021-11-13T12:51:45.65 3.0 undecidable manual S -6.59 0
IV.GIZZ.HHZ. 2021-11-13T12:51:43.37 3.0 positive manual Pg 3.5 0
IV.CELI.HHZ. 2021-11-13T12:51:34.65 3.0 positive manual P -1.44 0
IV.SGG.HHZ. 2021-11-13T12:51:22.73 3.0 undecidable manual P -5.8 0
IV.CMPR.HHZ. 2021-11-13T12:51:21.65 3.0 undecidable manual S -0.94 0
IV.PAOL.HHZ. 2021-11-13T12:51:18.52 3.0 undecidable manual P -4.05 0
IV.PALZ.HHZ. 2021-11-13T12:51:17.89 3.0 positive manual P -0.54 0
IV.MTMR.EHZ. 2021-11-13T12:51:13.59 3.0 undecidable manual P -1.99 0
IV.CDRU.HHZ. 2021-11-13T12:51:10.46 3.0 undecidable manual P -1.75 0
IX.CMP3.EHZ.02 2021-11-13T12:51:09.78 3.0 undecidable manual P -2.95 0
IX.SRN3.HHZ.02 2021-11-13T12:51:09.90 3.0 undecidable manual P -2.29 0
IX.COL3.HHZ.02 2021-11-13T12:51:05.87 3.0 undecidable manual P -2.58 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.4 0.000019269291500000002 0.1024 AML other m 2021-11-13T12:52:37.06
IV.CESI.HHE. ML:0.4 0.000017944165 0.0768 AML other m 2021-11-13T12:52:37.05
IV.MC2.EHE. ML:0.6 0.00006291435000000001 0.1536 AML other m 2021-11-13T12:52:33.44
IV.MC2.EHN. ML:0.6 0.0000543216 0.1984 AML other m 2021-11-13T12:52:35.25
IV.CSP1.EHE. ML:0.5 0.000023545970000000003 0.1984 AML other m 2021-11-13T12:52:36.61
IV.CSP1.EHN. ML:0.5 0.000026748095 0.1408 AML other m 2021-11-13T12:52:36.40
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