Earthquake with magnitude of ML 0.7 on date 19-04-2021 and time 21:11:03 (Italy) in region 6 km NE Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 6 km NE Sellano (PG), on

  • 19-04-2021 19:11:03 (UTC)
  • 19-04-2021 21:11:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 12.9830 at 12 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
Sellano PG 7 1079 1079
Monte Cavallo MC 7 145 1224
Preci PG 7 724 1948
Visso MC 9 1107 3055
Ussita MC 13 444 3499
Cerreto di Spoleto PG 14 1075 4574
Pieve Torina MC 14 1458 6032
Castelsantangelo sul Nera MC 15 281 6313
Fiordimonte MC 15 202 6515
Serravalle di Chienti MC 16 1070 7585
Pievebovigliana MC 17 866 8451
Muccia MC 18 915 9366
Norcia PG 18 4957 14323
Fiastra MC 18 559 14882
Acquacanina MC 19 121 15003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
92 Km NE 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 2021-04-19
19:11:03
42.9318 12.9833 12 2021-04-19
19:19:12
Sala Sismica INGV-Roma 89267941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-19 19:11:03 ± 0.06
Latitude 42.9318 ± 0.0036
Longitude 12.9833 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 89267941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 89267941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-19 19:19:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-04-19T19:11:13.70 0.6 undecidable manual S 195 27.5502 94 0.05 49
IV.PF6.EHZ. 2021-04-19T19:11:13.84 0.6 undecidable manual S 37 28.5492 94 -0.08 48
IV.MMO1.EHZ. 2021-04-19T19:11:13.87 0.6 undecidable manual S 97 28.1496 94 0.05 48
IV.ASSB.HHZ. 2021-04-19T19:11:13.95 0.3 undecidable manual S 295 29.0487 94 -0.11 70
IV.CSP1.EHZ. 2021-04-19T19:11:13.11 0.6 undecidable manual S 45 25.2525 95 0.06 48
IV.MML1.HNZ. 2021-04-19T19:11:11.62 0.3 undecidable manual S 357 20.1687 99 -0.09 73
IV.FDMO.HHN. 2021-04-19T19:11:10.03 0.6 undecidable manual S 36 14.3745 111 -0.16 49
IV.NRCA.HHZ. 2021-04-19T19:11:10.18 0.1 undecidable manual S 136 15.2736 108 -0.23 95
IV.ASSB.HHZ. 2021-04-19T19:11:09.85 0.6 undecidable manual P 295 29.0487 94 0.11 48
IV.CSP1.EHZ. 2021-04-19T19:11:09.34 1.0 positive manual P 45 25.2525 95 0.19 24
IV.CESI.HHZ. 2021-04-19T19:11:09.28 0.6 undecidable manual S 322 10.2786 126 0.03 50
IV.GAVE.EHZ. 2021-04-19T19:11:09.54 0.6 undecidable manual P 195 27.5502 94 0.03 49
IV.PF6.EHZ. 2021-04-19T19:11:09.28 0.1 undecidable manual P 37 28.5492 94 -0.38 90
IV.MMO1.EHZ. 2021-04-19T19:11:09.60 0.1 undecidable manual P 97 28.1496 94 0 97
IV.MML1.HNZ. 2021-04-19T19:11:08.53 0.1 undecidable manual P 357 20.1687 99 0.15 96
IT.MTCL.HGE. 2021-04-19T19:11:08.38 0.6 undecidable manual S 11 6.993 141 -0.22 49
IV.FEMA.HNE. 2021-04-19T19:11:08.58 0.3 undecidable manual S 58 6.3936 144 0.08 74
IV.NRCA.HHZ. 2021-04-19T19:11:07.68 0.6 undecidable manual P 136 15.2736 108 0.05 49
IV.CESI.HHZ. 2021-04-19T19:11:07.07 1.0 undecidable manual P 322 10.2786 126 0.11 25
IV.FDMO.HHN. 2021-04-19T19:11:07.73 0.1 undecidable manual P 36 14.3745 111 0.22 95
IT.MTCL.HGE. 2021-04-19T19:11:06.63 0.1 undecidable manual P 11 6.993 141 0.04 100
IV.FEMA.HNE. 2021-04-19T19:11:06.75 0.1 undecidable manual P 58 6.3936 144 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.6 0.00004425 0.62 AML other m 2021-04-19T19:11:09.38
IV.CESI.HHE. ML:0.6 0.000037749999999999996 0.86 AML other m 2021-04-19T19:11:09.37
IV.NRCA.HHN. ML:0.8 0.00004895 0.58 AML other m 2021-04-19T19:11:10.81
IV.NRCA.HHE. ML:0.7 0.0000385 0.12 AML other m 2021-04-19T19:11:11.39
IV.CSP1.EHE. ML:1.1 0.00007128389 0.1664 AML other m 2021-04-19T19:11:13.86
IV.CSP1.EHN. ML:1.1 0.00006370909500000001 0.32 AML other m 2021-04-19T19:11:13.89
IV.ASSB.HHE. ML:0.3 0.0000087076385 0.1536 AML other m 2021-04-19T19:11:15.60
IV.ASSB.HHN. ML:0.3 0.0000091312575 0.0896 AML other m 2021-04-19T19:11:14.54
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