Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 21-02-2021 and time 04:11:07 (Italy) in region 1 km W Cingoli (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km W Cingoli (MC), on

  • 21-02-2021 03:11:07 (UTC)
  • 21-02-2021 04:11:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3760, 13.2000 at 6 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Cingoli MC 1 10352 10352
Apiro MC 6 2280 12632
Staffolo AN 7 2253 14885
San Paolo di Jesi AN 9 933 15818
Poggio San Vicino MC 10 246 16064
Cupramontana AN 10 4756 20820
Treia MC 12 9403 30223
Appignano MC 12 4213 34436
Monte Roberto AN 13 3061 37497
Maiolati Spontini AN 13 6248 43745
Castelbellino AN 13 4947 48692
Filottrano AN 14 9499 58191
Rosora AN 16 1985 60176
Santa Maria Nuova AN 16 4179 64355
Castelplanio AN 16 3540 67895
San Severino Marche MC 16 12726 80621
Jesi AN 17 40399 121020
Mergo AN 17 1037 122057
Pollenza MC 17 6618 128675
Serra San Quirico AN 17 2850 131525
Poggio San Marcello AN 18 693 132218
Cerreto d'Esi AN 18 3817 136035
Gagliole MC 18 620 136655
Montecassiano MC 19 7125 143780
Tolentino MC 20 20069 163849
Montefano MC 20 3541 167390
Montecarotto AN 20 1987 169377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Ancona (100861 inhabitants)
54 Km S of Fano (60888 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
64 Km SE of Pesaro (94582 inhabitants)
72 Km E of Perugia (166134 inhabitants)
90 Km NW of Teramo (54892 inhabitants)
92 Km SE of Rimini (147750 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
Bulletin
Rev1000 		ML 0.8 2021-02-21
03:11:07		 43.376 13.1998 6 2021-07-12
16:55:03		 Bollettino Sismico Italiano INGV 88383541
Reviewed
Rev100 		ML 0.8 2021-02-21
03:11:06		 43.383 13.2152 8 2021-02-21
03:17:45		 Sala Sismica INGV-Roma 87349861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-21 03:11:07 ± 0.12
Latitude 43.3760 ± 0.0072
Longitude 13.1998 ± 0.0074
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88383541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 547
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00360
Epicentral distance of station farthest from the epicenter (degree) 0.50362
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 88383541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-22 15:32:28

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 87349861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-21 03:17:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-02-21T03:11:27.39 0.6 undecidable manual S 257 55.8996 50 1.61 24
IV.MMO1.EHZ. 2021-02-21T03:11:25.24 0.6 undecidable manual S 169 53.9016 50 0.01 46
IV.MF5.EHZ. 2021-02-21T03:11:24.76 0.3 undecidable manual S 154 47.9187 50 1.12 48
IV.CESI.HHZ. 2021-02-21T03:11:23.48 0.6 undecidable manual S 210 47.619 50 -0.08 45
IV.FRON.EHZ. 2021-02-21T03:11:21.75 0.6 undecidable manual S 293 41.3253 98 0.13 45
IV.FOSV.EHZ. 2021-02-21T03:11:20.10 0.6 undecidable manual S 256 36.5412 99 0.12 46
IV.AOI.HHE. 2021-02-21T03:11:20.22 0.3 undecidable manual S 59 37.7289 98 -0.17 68
IV.FDMO.HHZ. 2021-02-21T03:11:20.34 0.6 undecidable manual S 194 38.7279 98 -0.4 43
IV.CSP1.EHZ. 2021-02-21T03:11:18.31 0.6 undecidable manual S 179 31.5462 100 0.04 47
IV.MURB.HHZ. 2021-02-21T03:11:17.60 0.6 undecidable manual P 257 55.8996 50 -0.31 43
IV.CESI.HHZ. 2021-02-21T03:11:16.32 0.3 undecidable manual P 210 47.619 50 -0.31 65
IV.MF5.EHZ. 2021-02-21T03:11:16.54 0.3 undecidable manual P 154 47.9187 50 -0.14 67
IV.ARVD.HHZ. 2021-02-21T03:11:16.53 0.6 undecidable manual S 303 24.8529 103 0.54 43
IV.MMO1.EHZ. 2021-02-21T03:11:16.76 0.3 undecidable manual P 169 53.9016 50 -0.84 54
IV.FRON.EHZ. 2021-02-21T03:11:15.06 0.3 undecidable manual P 293 41.3253 98 -0.45 64
IV.FOSV.EHZ. 2021-02-21T03:11:14.19 0.3 undecidable manual P 256 36.5412 99 -0.37 65
IV.AOI.HHE. 2021-02-21T03:11:14.57 0.3 undecidable manual P 59 37.7289 98 -0.23 67
IV.FDMO.HHZ. 2021-02-21T03:11:14.34 0.1 undecidable manual P 194 38.7279 98 -0.66 79
IV.PP3.HNN. 2021-02-21T03:11:14.27 0.3 undecidable manual P 90 33.0447 99 0.4 65
IV.CSP1.EHZ. 2021-02-21T03:11:13.18 0.1 undecidable manual P 179 31.5462 100 -0.4 88
IV.TRE1.HNE. 2021-02-21T03:11:12.58 0.6 undecidable manual S 128 11.5773 115 0.96 37
IV.ARVD.HHZ. 2021-02-21T03:11:12.28 0.1 undecidable manual P 303 24.8529 103 0.02 96
IV.EL6.EHZ. 2021-02-21T03:11:11.73 0.6 undecidable manual S 237 9.4794 120 0.77 40
IV.TRE1.HNE. 2021-02-21T03:11:10.18 0.3 undecidable manual P 128 11.5773 115 0.44 67
IV.EL6.EHZ. 2021-02-21T03:11:09.85 0.1 positive manual P 237 9.4794 120 0.49 89
IV.CING.HNZ. 2021-02-21T03:11:08.26 0.1 undecidable manual P 263 0.3996 176 -0.01 100
IV.CING.HNZ. 2021-02-21T03:11:08.83 0.3 undecidable manual S 263 0.3996 176 -0.25 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.0 0.0001645 1.2 AML other m 2021-02-21T03:11:13.81
IV.EL6.EHN. ML:0.9 0.00013350000000000002 1.26 AML other m 2021-02-21T03:11:14.89
IV.ARVD.HHE. ML:0.7 0.000030550000000000004 0.68 AML other m 2021-02-21T03:11:17.27
IV.ARVD.HHN. ML:0.6 0.000024 1.08 AML other m 2021-02-21T03:11:18.88
IV.FDMO.HHE. ML:0.7 0.000020450000000000002 0.9 AML other m 2021-02-21T03:11:20.36
IV.FDMO.HHN. ML:0.7 0.000017500000000000002 0.54 AML other m 2021-02-21T03:11:22.48
IV.FRON.EHN. ML:1.0 0.00002955 0.28 AML other m 2021-02-21T03:11:22.52
IV.FRON.EHE. ML:0.6 0.000015475 0.6 AML other m 2021-02-21T03:11:24.44
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