Earthquake with magnitude of ML 0.9 on date 19-02-2021 and time 22:45:58 (UTC) in region 7 km W Sellano (PG)

A magnitude ML 0.9 earthquake occured in region: 7 km W Sellano (PG), on

  • 19-02-2021 22:45:58 (UTC)
  • 19-02-2021 23:45:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9200, 12.8550 at 10 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
Trevi PG 10 8469 9548
Cerreto di Spoleto PG 12 1075 10623
Campello sul Clitunno PG 13 2442 13065
Foligno PG 13 57155 70220
Monte Cavallo MC 15 145 70365
Preci PG 16 724 71089
Vallo di Nera PG 17 364 71453
Montefalco PG 17 5679 77132
Spello PG 17 8645 85777
Valtopina PG 18 1398 87175
Castel Ritaldi PG 18 3278 90453
Serravalle di Chienti MC 19 1070 91523
Visso MC 19 1107 92630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
43 Km E of Perugia (166134 inhabitants)
75 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
100 Km SE of Arezzo (99543 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 2021-02-19
22:45:58
42.9198 12.8552 10 2021-02-19
22:50:21
Sala Sismica INGV-Roma 87307141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-19 22:45:58 ± 0.08
Latitude 42.9198 ± 0.0054
Longitude 12.8552 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87307141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 306
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30847
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 87307141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-19 22:50:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-02-19T22:46:10.08 0.6 undecidable manual S 329 34.2435 50 0.03 49
IV.GAVE.EHZ. 2021-02-19T22:46:07.69 0.6 undecidable manual S 173 25.4523 50 -0.03 50
IV.FDMO.HHZ. 2021-02-19T22:46:06.61 0.6 undecidable manual S 55 22.8549 114 -0.34 47
IV.ASSB.HHZ. 2021-02-19T22:46:06.06 0.6 undecidable manual S 311 20.9679 116 -0.29 48
IV.NRCA.HHZ. 2021-02-19T22:46:06.95 0.6 undecidable manual S 114 23.1546 114 -0.09 50
IV.ATCC.EHZ. 2021-02-19T22:46:05.03 1.0 negative manual P 329 34.2435 50 -0.04 25
IV.MMO1.EHZ. 2021-02-19T22:46:05.20 3.0 undecidable manual P -0.19 0
IV.CESI.HHZ. 2021-02-19T22:46:03.47 0.6 undecidable manual S 23 10.2786 135 0.19 50
IV.NRCA.HHZ. 2021-02-19T22:46:03.29 0.1 undecidable manual P 114 23.1546 114 -0.04 100
IV.GAVE.EHZ. 2021-02-19T22:46:03.82 0.3 undecidable manual P 173 25.4523 50 0.1 74
IV.FDMO.HHZ. 2021-02-19T22:46:03.16 1.0 undecidable manual P 55 22.8549 114 -0.12 25
IV.ASSB.HHZ. 2021-02-19T22:46:02.87 0.3 undecidable manual P 311 20.9679 116 -0.07 75
IV.CESI.HHZ. 2021-02-19T22:46:01.51 0.1 positive manual P 23 10.2786 135 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.00023549999999999998 0.32 AML other m 2021-02-19T22:46:03.74
IV.CESI.HHE. ML:1.0 0.0001305 0.28 AML other m 2021-02-19T22:46:03.61
IV.ASSB.HHE. ML:0.8 0.000046649999999999996 0.6 AML other m 2021-02-19T22:46:06.37
IV.ASSB.HHN. ML:0.8 0.0000507 0.24 AML other m 2021-02-19T22:46:06.40
IV.FDMO.HHN. ML:0.7 0.00003345 0.12 AML other m 2021-02-19T22:46:06.78
IV.NRCA.HHN. ML:0.9 0.00005115 1.88 AML other m 2021-02-19T22:46:06.04
IV.NRCA.HHE. ML:0.8 0.0000431 1.08 AML other m 2021-02-19T22:46:07.84
IV.FDMO.HHE. ML:0.8 0.000041700000000000004 0.18 AML other m 2021-02-19T22:46:07.44
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