Earthquake with magnitude of ML 0.9 on date 19-04-2021 and time 01:08:46 (UTC) in region 5 km SE Valtopina (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km SE Valtopina (PG), on

  • 19-04-2021 01:08:46 (UTC)
  • 19-04-2021 03:08:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0260, 12.8020 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
Valtopina PG 5 1398 1398
Nocera Umbra PG 10 5839 7237
Foligno PG 11 57155 64392
Spello PG 11 8645 73037
Serravalle di Chienti MC 13 1070 74107
Assisi PG 16 28299 102406
Monte Cavallo MC 17 145 102551
Trevi PG 17 8469 111020
Cannara PG 18 4305 115325
Sefro MC 18 422 115747
Sellano PG 18 1079 116826
Bevagna PG 19 5081 121907
Montefalco PG 19 5679 127586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Foligno (57155 inhabitants)
35 Km E of Perugia (166134 inhabitants)
53 Km N of Terni (111501 inhabitants)
84 Km W of Teramo (54892 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
89 Km SE of Arezzo (99543 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
99 Km S of Pesaro (94582 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 2021-04-19
01:08:46
43.0255 12.8017 10 2021-04-19
02:10:55
Sala Sismica INGV-Roma 89239081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-19 01:08:46 ± 0.03
Latitude 43.0255 ± 0.0027
Longitude 12.8017 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 89239081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 89239081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-19 02:10:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-04-19T01:08:57.28 0.3 undecidable manual S 217 30.9468 50 0 74
IV.ARVD.HHZ. 2021-04-19T01:08:56.19 0.1 undecidable manual P 12 53.6019 50 0.02 94
IV.EL6.EHZ. 2021-04-19T01:08:54.37 0.1 undecidable manual P 36 41.5251 50 0.06 96
IV.ATCC.EHZ. 2021-04-19T01:08:54.68 0.3 undecidable manual S 324 22.0668 115 -0.14 73
IV.FDMO.HHZ. 2021-04-19T01:08:54.98 0.3 undecidable manual S 87 23.1546 114 -0.22 72
IV.MMO1.EHZ. 2021-04-19T01:08:54.81 0.1 undecidable manual P 108 44.9217 50 -0.01 96
IV.CSP1.EHZ. 2021-04-19T01:08:53.13 0.1 undecidable manual P 77 33.5442 50 0.06 97
IV.MURB.HHZ. 2021-04-19T01:08:53.44 0.1 undecidable manual P 320 34.6431 50 0.2 94
IV.MOMA.HHZ. 2021-04-19T01:08:52.57 0.1 undecidable manual P 217 30.9468 50 -0.11 97
IV.NRCA.HHZ. 2021-04-19T01:08:52.90 0.1 undecidable manual P 130 33.1446 50 -0.11 96
IV.FOSV.EHZ. 2021-04-19T01:08:52.42 0.1 undecidable manual P 354 30.0477 50 -0.12 97
IV.ATCC.EHZ. 2021-04-19T01:08:51.23 0.1 undecidable manual P 324 22.0668 115 -0.03 100
IV.CESI.HHZ. 2021-04-19T01:08:51.05 0.3 undecidable manual S 105 8.6802 140 -0.01 77
IV.FDMO.HHZ. 2021-04-19T01:08:51.48 0.1 undecidable manual P 87 23.1546 114 0.01 100
IV.ASSB.HHZ. 2021-04-19T01:08:51.72 0.3 undecidable manual S 279 11.7771 131 -0.09 75
IV.CESI.HHZ. 2021-04-19T01:08:49.35 0.1 undecidable manual P 105 8.6802 140 0.27 97
IV.ASSB.HHZ. 2021-04-19T01:08:49.62 0.1 positive manual P 279 11.7771 131 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.0 0.0001069 0.16 AML other m 2021-04-19T01:08:51.93
IV.CESI.HHE. ML:0.6 0.000052900000000000005 1.92 AML other m 2021-04-19T01:08:51.96
IV.CESI.HHN. ML:0.6 0.000048049999999999996 0.5 AML other m 2021-04-19T01:08:52.03
IV.ASSB.HHE. ML:1.0 0.00010139999999999998 1.04 AML other m 2021-04-19T01:08:52.98
IV.ATCC.EHE. ML:0.9 0.00005574999999999999 0.16 AML other m 2021-04-19T01:08:55.23
IV.FDMO.HHN. ML:1.0 0.00007155 0.46 AML other m 2021-04-19T01:08:55.37
IV.FDMO.HHE. ML:0.8 0.0000466 0.12 AML other m 2021-04-19T01:08:55.57
IV.ATCC.EHN. ML:0.8 0.00004385 0.32 AML other m 2021-04-19T01:08:56.34
IV.MURB.HHN. ML:1.0 0.000047350000000000006 0.26 AML other m 2021-04-19T01:08:59.08
IV.MURB.HHE. ML:1.3 0.00007374999999999999 1.38 AML other m 2021-04-19T01:09:00.27
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