Earthquake with magnitude of ML 0.9 on date 22-06-2021 and time 11:47:02 (Italy) in region 8 km W Sassoferrato (AN)

A magnitude ML 0.9 earthquake occured in region: 8 km W Sassoferrato (AN), on

  • 22-06-2021 09:47:02 (UTC)
  • 22-06-2021 11:47:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4240, 12.7680 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassoferrato AN 8 7285 7285
Serra Sant'Abbondio PU 8 1027 8312
Scheggia e Pascelupo PG 8 1393 9705
Costacciaro PG 8 1216 10921
Sigillo PG 10 2404 13325
Frontone PU 11 1300 14625
Cantiano PU 13 2245 16870
Genga AN 14 1797 18667
Fossato di Vico PG 14 2840 21507
Fabriano AN 15 31480 52987
Arcevia AN 16 4612 57599
Pergola PU 17 6333 63932
Cagli PU 17 8731 72663
Gubbio PG 17 32216 104879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
51 Km SW of Fano (60888 inhabitants)
52 Km N of Foligno (57155 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
73 Km S of Rimini (147750 inhabitants)
90 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 0.9 2021-06-22
09:47:02
43.4237 12.7682 11 2021-06-22
09:52:13
Sala Sismica INGV-Roma 91701461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-22 09:47:02 ± 0.06
Latitude 43.4237 ± 0.0027
Longitude 12.7682 ± 0.0050
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 91701461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 297
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.26530
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 91701461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-22 09:52:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-06-22T09:47:12.14 0.6 undecidable manual S 228 26.5512 50 0.29 46
IV.ATVO.HHZ. 2021-06-22T09:47:12.62 0.6 undecidable manual S 261 29.4483 50 -0.02 49
IV.EL6.EHZ. 2021-06-22T09:47:12.56 0.6 undecidable manual S 111 28.8489 50 0.09 48
IV.ATCC.EHZ. 2021-06-22T09:47:12.60 0.6 undecidable manual S 201 28.4493 50 0.25 47
IV.PIEI.HHZ. 2021-06-22T09:47:10.59 0.6 undecidable manual S 304 22.4553 50 -0.18 48
IV.MPAG.EHZ. 2021-06-22T09:47:10.94 0.6 undecidable manual S 358 22.755 50 0.09 49
IV.ATFO.HHZ. 2021-06-22T09:47:09.43 0.6 undecidable manual S 248 17.0718 123 0.12 49
IV.EL6.EHZ. 2021-06-22T09:47:08.24 1.0 positive manual P 111 28.8489 50 0.08 24
IV.ATVO.HHZ. 2021-06-22T09:47:08.14 0.3 negative manual P 261 29.4483 50 -0.12 72
IV.FOSV.EHZ. 2021-06-22T09:47:08.41 0.6 undecidable manual S 182 14.2746 127 -0.12 49
IV.MPAG.EHZ. 2021-06-22T09:47:07.11 1.0 undecidable manual P 358 22.755 50 -0.12 24
IV.ATCC.EHZ. 2021-06-22T09:47:07.92 0.6 positive manual P 201 28.4493 50 -0.17 47
IV.MURB.HHZ. 2021-06-22T09:47:07.99 0.6 undecidable manual P 228 26.5512 50 0.19 47
IV.FRON.EHZ. 2021-06-22T09:47:07.98 0.6 undecidable manual S 342 10.9779 135 0.33 47
IV.ATFO.HHZ. 2021-06-22T09:47:06.33 0.1 negative manual P 248 17.0718 123 -0.01 100
IV.PIEI.HHZ. 2021-06-22T09:47:06.93 0.3 negative manual P 304 22.4553 50 -0.25 71
IV.FRON.EHZ. 2021-06-22T09:47:05.50 1.0 undecidable manual P 342 10.9779 135 0.12 25
IV.FOSV.EHZ. 2021-06-22T09:47:05.72 0.1 undecidable manual P 182 14.2746 127 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.8 0.0000818 0.46 AML other m 2021-06-22T09:47:08.05
IV.FOSV.EHN. ML:0.6 0.0000351 0.44 AML other m 2021-06-22T09:47:08.45
IV.FRON.EHN. ML:1.1 0.00013900000000000002 0.08 AML other m 2021-06-22T09:47:08.54
IV.FOSV.EHE. ML:0.6 0.00003655 0.36 AML other m 2021-06-22T09:47:08.45
IV.ATFO.HHN. ML:0.7 0.00004704999999999999 0.5 AML other m 2021-06-22T09:47:09.50
IV.PIEI.HHN. ML:0.7 0.000036750000000000006 0.74 AML other m 2021-06-22T09:47:10.88
IV.PIEI.HHE. ML:1.0 0.00007105 0.08 AML other m 2021-06-22T09:47:10.95
IV.MPAG.EHE. ML:0.8 0.0000452 0.16 AML other m 2021-06-22T09:47:11.09
IV.ATFO.HHE. ML:0.7 0.00004405000000000001 0.46 AML other m 2021-06-22T09:47:11.34
IV.MPAG.EHN. ML:0.7 0.0000286 0.26 AML other m 2021-06-22T09:47:11.01
IV.MURB.HHE. ML:1.7 0.0002855 0.82 AML other m 2021-06-22T09:47:12.82
IV.ATCC.EHE. ML:1.1 0.00006915 0.12 AML other m 2021-06-22T09:47:12.77
IV.MURB.HHN. ML:1.8 0.0003325 0.24 AML other m 2021-06-22T09:47:12.79
IV.ATVO.HHN. ML:0.9 0.0000335 0.22 AML other m 2021-06-22T09:47:12.80
IV.ATVO.HHE. ML:0.8 0.000030650000000000006 0.16 AML other m 2021-06-22T09:47:12.91
IV.ATCC.EHN. ML:1.0 0.00004495 0.42 AML other m 2021-06-22T09:47:12.71
IV.EL6.EHN. ML:1.2 0.00008215 1.56 AML other m 2021-06-22T09:47:23.91
IV.EL6.EHE. ML:1.4 0.00013815 0.64 AML other m 2021-06-22T09:47:24.03
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