Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 26-09-2021 and time 16:06:34 (Italy) in region 2 km N Scheggia e Pascelupo (PG)

A magnitude ML 0.8 earthquake occured in region: 2 km N Scheggia e Pascelupo (PG), on

  • 26-09-2021 14:06:34 (UTC)
  • 26-09-2021 16:06:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4240, 12.6660 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
Scheggia e Pascelupo PG 2 1393 1393
Cantiano PU 6 2245 3638
Costacciaro PG 8 1216 4854
Gubbio PG 10 32216 37070
Serra Sant'Abbondio PU 11 1027 38097
Frontone PU 12 1300 39397
Sigillo PG 12 2404 41801
Cagli PU 14 8731 50532
Sassoferrato AN 16 7285 57817
Fossato di Vico PG 16 2840 60657
Pietralunga PG 19 2111 62768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
52 Km N of Foligno (57155 inhabitants)
55 Km SW of Fano (60888 inhabitants)
58 Km SW of Pesaro (94582 inhabitants)
63 Km E of Arezzo (99543 inhabitants)
71 Km S of Rimini (147750 inhabitants)
72 Km W of Ancona (100861 inhabitants)
86 Km SE of Cesena (96758 inhabitants)
96 Km N of Terni (111501 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 0.8 2021-09-26
14:06:34		 43.4237 12.6662 11 2021-09-26
14:15:11		 Sala Sismica INGV-Roma 95908601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-26 14:06:34 ± 0.03
Latitude 43.4237 ± 0.0027
Longitude 12.6662 ± 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 95908601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 292
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 95908601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-26 14:15:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-09-26T14:06:56.94 3.0 undecidable manual S -0.4 0
IV.ATPC.HHZ. 2021-09-26T14:06:41.59 0.6 undecidable manual S 291 17.9709 121 -0.08 49
IV.ATCC.EHZ. 2021-09-26T14:06:40.03 0.6 undecidable manual P 185 26.5512 50 0.06 48
IV.SNTG.HHZ. 2021-09-26T14:06:40.33 1.0 undecidable manual P 130 28.9488 50 -0.02 24
IV.ARVD.HHZ. 2021-09-26T14:06:39.59 0.3 undecidable manual P 69 23.6541 50 0.06 73
IV.NARO.HHZ. 2021-09-26T14:06:39.01 0.6 undecidable manual P 342 21.867 50 -0.24 47
IV.ATLO.EHZ. 2021-09-26T14:06:39.49 0.3 undecidable manual P 240 24.0537 50 -0.1 72
IV.ATFO.HHZ. 2021-09-26T14:06:39.28 0.6 undecidable manual S 230 9.879 137 -0.18 49
IV.MURB.HHZ. 2021-09-26T14:06:39.23 1.0 positive manual P 213 21.1677 50 0.09 24
IV.FRON.EHZ. 2021-09-26T14:06:39.68 0.6 undecidable manual S 25 11.4774 133 -0.17 49
IV.ATBU.EHZ. 2021-09-26T14:06:39.92 0.3 undecidable manual S 301 11.0778 134 0.17 73
IV.MPAG.EHZ. 2021-09-26T14:06:39.71 1.0 undecidable manual P 18 24.0537 50 0.13 24
IV.SSFR.HHZ. 2021-09-26T14:06:39.30 0.3 undecidable manual S 81 9.4794 138 -0.05 75
IV.ATVO.HHZ. 2021-09-26T14:06:39.14 0.3 undecidable manual P 258 21.4674 50 -0.04 74
IV.TB01.DHZ.01 2021-09-26T14:06:38.83 1.0 undecidable manual P 256 19.1697 119 0.03 25
IV.ATPC.HHZ. 2021-09-26T14:06:38.52 0.6 undecidable manual P 291 17.9709 121 -0.08 49
IV.SSFR.HHZ. 2021-09-26T14:06:37.39 0.3 undecidable manual P 81 9.4794 138 0.13 74
IV.ATFO.HHZ. 2021-09-26T14:06:37.37 0.1 positive manual P 230 9.879 137 0.05 100
IV.ATSC.EHZ. 2021-09-26T14:06:37.98 0.6 undecidable manual S 88 1.5984 171 -0.17 49
IV.FRON.EHZ. 2021-09-26T14:06:37.55 0.3 undecidable manual P 25 11.4774 133 0 75
IV.ATBU.EHZ. 2021-09-26T14:06:37.63 0.1 undecidable manual P 301 11.0778 134 0.14 98
IV.ATSC.EHZ. 2021-09-26T14:06:36.66 0.6 undecidable manual P 88 1.5984 171 0.09 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.7 0.000067 0.1 AML other m 2021-09-26T14:06:39.35
IV.FRON.EHE. ML:0.7 0.00006205 0.12 AML other m 2021-09-26T14:06:39.68
IV.ATFO.HHE. ML:0.6 0.000044490839999999994 0.1216 AML other m 2021-09-26T14:06:39.69
IV.FRON.EHN. ML:0.8 0.0000808 1.94 AML other m 2021-09-26T14:06:39.98
IV.NARO.HHN. ML:0.8 0.00004115 0.06 AML other m 2021-09-26T14:06:42.63
IV.NARO.HHE. ML:0.8 0.000044899999999999994 1.94 AML other m 2021-09-26T14:06:42.98
IV.ATCC.EHE. ML:1.1 0.0000628 0.12 AML other m 2021-09-26T14:06:44.71
IV.ATCC.EHN. ML:0.7 0.000027567255 0.0768 AML other m 2021-09-26T14:06:44.55
IV.ATVO.HHE. ML:0.6 0.00002359365 0.1216 AML other m 2021-09-26T14:06:42.94
IV.ATVO.HHN. ML:0.3 0.000017184112 0.16 AML other m 2021-09-26T14:06:42.31
IV.MURB.HNE. ML:1.0 0.00007212199549999999 0.4928 AML other m 2021-09-26T14:06:40.91
IV.MURB.HNN. ML:1.2 0.00009980562 0.5632 AML other m 2021-09-26T14:06:44.54
IV.MURB.HHE. ML:0.8 0.000046300035 0.2816 AML other m 2021-09-26T14:06:44.56
IV.MURB.HHN. ML:0.8 0.00004311625 0.2368 AML other m 2021-09-26T14:06:43.22
IV.ARVD.HHE. ML:0.4 0.000017429424999999998 0.0576 AML other m 2021-09-26T14:06:56.95
IV.ARVD.HHN. ML:0.5 0.00001886009 0.0768 AML other m 2021-09-26T14:06:43.57
IV.MPAG.HNE. ML:1.4 0.00014025855 0.7168 AML other m 2021-09-26T14:06:49.32
IV.MPAG.HNN. ML:1.4 0.0001376114 0.6592 AML other m 2021-09-26T14:06:45.25
IV.MPAG.EHE. ML:0.4 0.000014295379500000001 0.1216 AML other m 2021-09-26T14:06:43.61
IV.MPAG.EHN. ML:0.2 0.000008589373499999999 0.1792 AML other m 2021-09-26T14:06:44.56
IV.SNTG.HHE. ML:0.3 0.000009413795499999999 0.0768 AML other m 2021-09-26T14:06:45.64
IV.SNTG.HHN. ML:0.3 0.000012492204 0.1024 AML other m 2021-09-26T14:06:45.83
IV.SNTG.HNE. ML:1.4 0.00012045062 0.608 AML other m 2021-09-26T14:06:52.21
IV.SNTG.HNN. ML:1.4 0.00010889413500000001 0.7232 AML other m 2021-09-26T14:06:51.83
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