Earthquake with magnitude of ML 1.1 on date 19-12-2021 and time 03:42:11 (Italy) in region 6 km SW Fiuminata (MC)

A magnitude ML 1.1 earthquake occured in region: 6 km SW Fiuminata (MC), on

  • 19-12-2021 02:42:11 (UTC)
  • 19-12-2021 03:42:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1550, 12.8780 at 22 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
Fiuminata MC 6 1402 1402
Sefro MC 6 422 1824
Nocera Umbra PG 9 5839 7663
Pioraco MC 9 1134 8797
Serravalle di Chienti MC 11 1070 9867
Gualdo Tadino PG 11 15208 25075
Esanatoglia MC 12 2034 27109
Valtopina PG 15 1398 28507
Camerino MC 16 6974 35481
Matelica MC 16 9981 45462
Muccia MC 16 915 46377
Castelraimondo MC 16 4587 50964
Gagliole MC 18 620 51584
Fossato di Vico PG 18 2840 54424
Pieve Torina MC 19 1458 55882
Pievebovigliana MC 20 866 56748

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
69 Km N of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
78 Km S of Fano (60888 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
99 Km NW of L'Aquila (69753 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 1.1 2021-12-19
02:42:11
43.1552 12.8785 22 2021-12-19
02:46:24
Sala Sismica INGV-Roma 98708991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-19 02:42:11 ± 0.1
Latitude 43.1552 ± 0.0027
Longitude 12.8785 ± 0.0049
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98708991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
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) 62
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.37861
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 98708991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-19 02:46:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-12-19T02:42:25.38 0.1 undecidable manual S 152 40.5261 111 0.02 96
IV.FRON.EHZ. 2021-12-19T02:42:25.75 0.1 undecidable manual S 343 42.0246 110 0 96
IV.ARVD.HHZ. 2021-12-19T02:42:24.72 0.1 undecidable manual S 8 38.3283 112 -0.12 95
IV.SSFR.HHZ. 2021-12-19T02:42:23.77 0.1 undecidable manual S 346 32.1456 117 0.45 90
IV.EL6.EHZ. 2021-12-19T02:42:22.30 0.1 undecidable manual S 43 26.4513 123 0.3 93
IV.CSP1.EHZ. 2021-12-19T02:42:22.43 0.1 undecidable manual S 105 27.3504 122 0.22 94
IV.ASSB.HHZ. 2021-12-19T02:42:21.05 0.1 undecidable manual S 235 21.7671 129 0.06 99
IV.ATCC.EHZ. 2021-12-19T02:42:20.85 0.1 undecidable manual S 280 19.5693 133 0.29 95
IV.CESI.HHZ. 2021-12-19T02:42:20.16 0.1 undecidable manual S 173 16.7721 138 0.13 98
IV.FOSV.EHZ. 2021-12-19T02:42:20.19 0.1 undecidable manual S 329 18.1707 135 -0.09 98
IV.FRON.EHZ. 2021-12-19T02:42:19.70 1.0 undecidable manual P 343 42.0246 110 -0.04 24
IV.SNTG.HHZ. 2021-12-19T02:42:19.06 0.1 undecidable manual S 24 12.1767 147 -0.22 96
IV.ARVD.HHZ. 2021-12-19T02:42:19.12 0.6 undecidable manual P 8 38.3283 112 -0.09 48
IV.NRCA.HHZ. 2021-12-19T02:42:19.31 0.3 undecidable manual P 152 40.5261 111 -0.2 70
IV.MML1.EHZ. 2021-12-19T02:42:18.77 0.1 undecidable manual S 121 8.88 155 -0.09 100
IV.SSFR.HHZ. 2021-12-19T02:42:18.17 0.3 positive manual P 346 32.1456 117 -0.17 71
IV.CSP1.EHZ. 2021-12-19T02:42:17.71 0.6 negative manual P 105 27.3504 122 0.02 49
IV.EL6.EHZ. 2021-12-19T02:42:17.56 0.6 negative manual P 43 26.4513 123 -0.01 50
IV.FOSV.EHZ. 2021-12-19T02:42:16.42 0.1 negative manual P 329 18.1707 135 -0.16 97
IV.ATCC.EHZ. 2021-12-19T02:42:16.78 0.3 negative manual P 280 19.5693 133 0.04 75
IV.ASSB.HHZ. 2021-12-19T02:42:16.98 0.1 negative manual P 235 21.7671 129 -0.01 100
IV.CESI.HHZ. 2021-12-19T02:42:16.36 0.1 positive manual P 173 16.7721 138 -0.08 100
IV.MML1.EHZ. 2021-12-19T02:42:15.70 0.3 positive manual P 121 8.88 155 -0.06 76
IV.SNTG.HHZ. 2021-12-19T02:42:15.78 0.1 undecidable manual P 24 12.1767 147 -0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.0 0.0000655 1.48 AML other m 2021-12-19T02:42:18.12
IV.SNTG.HHE. ML:0.9 0.00005205 0.28 AML other m 2021-12-19T02:42:19.53
IV.MML1.EHE. ML:1.2 0.00009659999999999999 0.26 AML other m 2021-12-19T02:42:19.42
IV.SNTG.HHN. ML:1.0 0.00007005 0.08 AML other m 2021-12-19T02:42:19.45
IV.ASSB.HHN. ML:1.4 0.00010899999999999999 0.16 AML other m 2021-12-19T02:42:21.22
IV.ASSB.HHE. ML:1.1 0.00006335000000000001 0.38 AML other m 2021-12-19T02:42:21.25
IV.SSFR.HHE. ML:1.1 0.00004595 0.7 AML other m 2021-12-19T02:42:23.50
IV.SSFR.HHN. ML:1.2 0.0000669 0.46 AML other m 2021-12-19T02:42:23.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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