Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 19-02-2021 and time 20:50:07 (Italy) in region 4 km E Costacciaro (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km E Costacciaro (PG), on

  • 19-02-2021 19:50:07 (UTC)
  • 19-02-2021 20:50:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3790, 12.7590 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.

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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
Costacciaro PG 4 1216 1216
Sigillo PG 5 2404 3620
Scheggia e Pascelupo PG 8 1393 5013
Fossato di Vico PG 9 2840 7853
Sassoferrato AN 10 7285 15138
Serra Sant'Abbondio PU 13 1027 16165
Fabriano AN 13 31480 47645
Gubbio PG 15 32216 79861
Cantiano PU 15 2245 82106
Frontone PU 15 1300 83406
Genga AN 15 1797 85203
Gualdo Tadino PG 17 15208 100411
Cerreto d'Esi AN 19 3817 104228
Arcevia AN 20 4612 108840

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
56 Km SW of Fano (60888 inhabitants)
61 Km S of Pesaro (94582 inhabitants)
67 Km W of Ancona (100861 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
78 Km S of Rimini (147750 inhabitants)
91 Km N of Terni (111501 inhabitants)
94 Km SE of Cesena (96758 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 2021-02-19
19:50:07		 43.3787 12.7593 11 2021-02-19
20:23:28		 Sala Sismica INGV-Roma 87305981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-19 19:50:07 ± 0.03
Latitude 43.3787 ± 0.0018
Longitude 12.7593 ± 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 87305981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 207
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
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) 131
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.26620
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 87305981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-19 20:23:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-02-19T19:50:17.86 0.3 undecidable manual S 331 29.5482 50 0.13 94
IV.ATCC.EHZ. 2021-02-19T19:50:16.19 0.3 undecidable manual S 204 23.5542 50 0.05 96
IV.PIEI.HHZ. 2021-02-19T19:50:16.48 0.3 undecidable manual S 314 25.0527 50 -0.08 96
IV.ARVD.HHZ. 2021-02-19T19:50:15.16 0.3 undecidable manual S 48 19.7691 50 0.02 98
IV.FRON.EHZ. 2021-02-19T19:50:14.10 0.3 undecidable manual S 350 15.6732 125 0.09 98
IV.NARO.HHZ. 2021-02-19T19:50:13.31 0.6 undecidable manual P 331 29.5482 50 -0.04 64
IV.PIEI.HHZ. 2021-02-19T19:50:12.59 0.6 undecidable manual P 314 25.0527 50 -0.08 64
IV.FOSV.EHZ. 2021-02-19T19:50:12.39 0.3 undecidable manual S 179 9.2796 140 0.03 100
IV.ATCC.EHZ. 2021-02-19T19:50:12.34 0.6 negative manual P 204 23.5542 50 -0.09 64
IV.FRON.EHZ. 2021-02-19T19:50:11.19 0.3 negative manual P 350 15.6732 125 -0.02 98
IV.ARVD.HHZ. 2021-02-19T19:50:11.79 0.3 negative manual P 48 19.7691 50 -0.07 97
IV.FOSV.EHZ. 2021-02-19T19:50:10.31 1.0 negative manual P 179 9.2796 140 0.06 33
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.3 0.000025300000000000002 0.14 AML other m 2021-02-19T19:50:12.46
IV.FOSV.EHE. ML:0.4 0.000032600000000000006 0.06 AML other m 2021-02-19T19:50:12.44
IV.FRON.EHE. ML:0.9 0.0000686 0.08 AML other m 2021-02-19T19:50:14.19
IV.FRON.EHN. ML:0.8 0.00005815 0.66 AML other m 2021-02-19T19:50:14.53
IV.ATCC.EHE. ML:0.9 0.00004685 0.24 AML other m 2021-02-19T19:50:16.40
IV.ATCC.EHN. ML:0.8 0.000039 0.14 AML other m 2021-02-19T19:50:16.58
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