Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 20-06-2021 and time 15:06:15 (UTC) in region 1 km SE Monteciccardo (PU)

A magnitude ML 1.0 earthquake occured in region: 1 km SE Monteciccardo (PU), on

  • 20-06-2021 15:06:15 (UTC)
  • 20-06-2021 17:06:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8140, 12.8230 at 9 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
Monteciccardo PU 1 1690 1690
Vallefoglia PU 2 15018 16708
Mombaroccio PU 3 2152 18860
Montelabbate PU 5 6938 25798
Cartoceto PU 7 7887 33685
Petriano PU 8 2829 36514
Serrungarina PU 9 2634 39148
Montefelcino PU 9 2671 41819
Isola del Piano PU 9 594 42413
Saltara PU 9 6925 49338
Tavullia PU 11 8003 57341
Montegridolfo RN 12 1012 58353
Mondaino RN 13 1394 59747
Montemaggiore al Metauro PU 13 2893 62640
Pesaro PU 13 94582 157222
Fossombrone PU 14 9575 166797
Saludecio RN 14 3120 169917
Piagge PU 15 1022 170939
Gradara PU 15 4835 175774
Sant'Ippolito PU 15 1563 177337
Montecalvo in Foglia PU 15 2718 180055
Fano PU 16 60888 240943
San Giorgio di Pesaro PU 16 1388 242331
San Giovanni in Marignano RN 17 9417 251748
Urbino PU 18 15019 266767
Gabicce Mare PU 18 5781 272548
Cattolica RN 18 17125 289673
Barchi PU 18 967 290640
Morciano di Romagna RN 18 7045 297685
Orciano di Pesaro PU 18 2028 299713
Tavoleto PU 19 867 300580
Montefiore Conca RN 19 2269 302849
Mondavio PU 19 3810 306659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Pesaro (94582 inhabitants)
16 Km W of Fano (60888 inhabitants)
34 Km SE of Rimini (147750 inhabitants)
59 Km SE of Cesena (96758 inhabitants)
60 Km W of Ancona (100861 inhabitants)
77 Km SE of Forlì (117913 inhabitants)
84 Km SE of Ravenna (159116 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
86 Km NE of Perugia (166134 inhabitants)
92 Km SE of Faenza (58541 inhabitants)
96 Km N of Foligno (57155 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 1.0 2021-06-20
15:06:15		 43.8142 12.823 9 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95511871
Reviewed
Rev100 		ML 1.0 2021-06-20
15:06:15		 43.8128 12.8117 9 2021-06-20
15:15:52		 Sala Sismica INGV-Roma 91604821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-20 15:06:15 ± 0.13
Latitude 43.8142 ± 0.0063
Longitude 12.8230 ± 0.0174
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95511871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1335
Semi-minor axis of confidence ellipse (meter) 702
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 95511871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-16 15:14:29

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 91604821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-20 15:15:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-06-20T15:08:14.94 3.0 undecidable manual Sg 18.690001 0
MN.CLTB.HHZ. 2021-06-20T15:07:48.87 3.0 negative manual Pn 1.96 0
IV.RESU.HHZ. 2021-06-20T15:07:46.22 3.0 positive manual Pn -0.63 0
IV.ZEN8.EHZ. 2021-06-20T15:07:26.42 3.0 undecidable manual Sn 2.21 0
IV.VVLD.HHZ. 2021-06-20T15:07:13.62 3.0 undecidable manual Sn -1.96 0
IV.ZONE.HHZ. 2021-06-20T15:07:03.66 3.0 undecidable manual Pn 4.35 0
IV.IMOL.HNZ. 2021-06-20T15:06:46.37 3.0 undecidable manual S -2.76 0
IV.FIR.HHZ. 2021-06-20T15:06:37.51 3.0 undecidable manual P 0.4 0
IV.MMO1.EHZ. 2021-06-20T15:06:34.28 3.0 undecidable manual P -0.25 0
IV.PIEI.HHZ. 2021-06-20T15:06:28.74 0.6 undecidable manual S 217 38.628 50 0.14 45
IV.PE3.EHZ. 2021-06-20T15:06:27.15 0.6 undecidable manual S 243 29.2485 107 1.18 33
IV.NARO.HHZ. 2021-06-20T15:06:26.23 0.3 undecidable manual S 221 29.748 107 0.09 71
IV.COR1.EHZ. 2021-06-20T15:06:25.15 0.6 undecidable manual S 145 24.753 110 0.68 41
IV.MPAG.EHZ. 2021-06-20T15:06:23.28 0.6 undecidable manual S 194 21.1677 113 -0.03 48
IV.PIEI.HHZ. 2021-06-20T15:06:22.72 0.3 undecidable manual P 217 38.628 50 -0.28 70
IV.PESA.HHZ. 2021-06-20T15:06:21.47 0.6 undecidable manual S 6 14.1747 122 0.32 48
IV.NARO.HHZ. 2021-06-20T15:06:21.39 0.3 undecidable manual P 221 29.748 107 -0.19 72
IV.PE3.EHZ. 2021-06-20T15:06:21.59 0.6 undecidable manual P 243 29.2485 107 0.1 48
IV.COR1.EHZ. 2021-06-20T15:06:20.48 0.3 undecidable manual P 145 24.753 110 -0.14 73
IV.MPAG.EHZ. 2021-06-20T15:06:19.63 0.3 undecidable manual P 194 21.1677 113 -0.32 69
IV.CRTC.HHZ. 2021-06-20T15:06:19.41 0.6 undecidable manual S 137 6.993 142 0.14 51
IV.PESA.HHZ. 2021-06-20T15:06:18.56 0.3 undecidable manual P 6 14.1747 122 -0.14 73
IV.FANO.HNZ. 2021-06-20T15:06:18.96 0.3 undecidable manual P 78 15.9729 119 -0.05 75
IV.CRTC.HHZ. 2021-06-20T15:06:17.55 0.1 undecidable manual P 137 6.993 142 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRTC.HHE. ML:1.2 0.00024386135 0.1792 AML other m 2021-06-20T15:06:19.50
IV.CRTC.HHN. ML:0.9 0.000140783675 0.1408 AML other m 2021-06-20T15:06:19.64
IV.PESA.HHE. ML:1.5 0.00032530939999999995 0.064 AML other m 2021-06-20T15:06:21.78
IV.PESA.HHN. ML:1.4 0.00028900000000000003 0.06 AML other m 2021-06-20T15:06:22.05
IV.MPAG.EHN. ML:0.4 0.000020696695 0.128 AML other m 2021-06-20T15:06:23.40
IV.MPAG.EHE. ML:0.5 0.00002345608 0.0896 AML other m 2021-06-20T15:06:23.37
IV.NARO.HHE. ML:0.8 0.00003105 0.14 AML other m 2021-06-20T15:06:26.69
IV.NARO.HHN. ML:0.9 0.0000376 0.12 AML other m 2021-06-20T15:06:26.77
IV.COR1.EHN. ML:1.0 0.000061753575 0.3072 AML other m 2021-06-20T15:06:27.28
IV.PIEI.HHE. ML:1.3 0.00007805000000000001 1.78 AML other m 2021-06-20T15:06:28.97
IV.PIEI.HHN. ML:1.1 0.000050600000000000003 1.38 AML other m 2021-06-20T15:06:29.29
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