Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 21-01-2020 and time 14:05:55 (Italy) in region 1 km SW Borgo Pace (PU)

A magnitude ML 1.6 earthquake occured in region: 1 km SW Borgo Pace (PU), on

  • 21-01-2020 13:05:55 (UTC)
  • 21-01-2020 14:05:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6480, 12.2860 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
Borgo Pace PU 1 606 606
Mercatello sul Metauro PU 4 1378 1984
Sestino AR 7 1355 3339
Badia Tedalda AR 10 1087 4426
Sant'Angelo in Vado PU 11 4133 8559
Belforte all'Isauro PU 11 769 9328
Piandimeleto PU 14 2167 11495
San Giustino PG 14 11297 22792
Sansepolcro AR 14 15884 38676
Apecchio PU 15 1882 40558
Frontino PU 15 293 40851
Carpegna PU 15 1674 42525
Lunano PU 16 1527 44052
Peglio PU 18 696 44748
Pietrarubbia PU 19 660 45408
Pennabilli RN 19 2869 48277
Casteldelci RN 19 407 48684
Piobbico PU 19 2029 50713
Urbania PU 19 7099 57812
Pieve Santo Stefano AR 20 3183 60995

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Arezzo (99543 inhabitants)
51 Km SW of Rimini (147750 inhabitants)
55 Km S of Cesena (96758 inhabitants)
58 Km SW of Pesaro (94582 inhabitants)
61 Km N of Perugia (166134 inhabitants)
63 Km W of Fano (60888 inhabitants)
67 Km SE of Forlì (117913 inhabitants)
78 Km SE of Faenza (58541 inhabitants)
84 Km E of Firenze (382808 inhabitants)
84 Km NW of Foligno (57155 inhabitants)
85 Km E of Siena (53903 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
90 Km E of Scandicci (50609 inhabitants)
91 Km SE of Imola (69797 inhabitants)
99 Km E of Prato (191150 inhabitants)
99 Km W of Ancona (100861 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 1.6 2020-01-21
13:05:55		 43.6485 12.2858 9 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 75942431
Reviewed
Rev100 		ML 1.6 2020-01-21
13:05:55		 43.6483 12.2798 8 2020-01-21
13:18:06		 Sala Sismica INGV-Roma 75702781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-21 13:05:55 ± 0.07
Latitude 43.6485 ± 0.0045
Longitude 12.2858 ± 0.0050
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 75942431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 494
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 75942431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-06 11:08:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 75702781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-21 13:18:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.HNN. 2020-01-21T13:06:10.69 0.1 undecidable manual S 309 45.2214 50 0.26 90
IV.ASQU.HHE. 2020-01-21T13:06:09.45 0.3 undecidable manual S 293 43.0236 50 -0.41 66
IV.FRON.EHZ. 2020-01-21T13:06:08.64 0.6 undecidable manual S 112 38.2284 50 0.08 47
IV.MPAG.EHZ. 2020-01-21T13:06:08.66 0.6 undecidable manual S 93 38.1285 50 0.13 47
IV.ATVO.HHZ. 2020-01-21T13:06:06.91 0.6 undecidable manual S 162 31.1466 106 0.29 46
IV.TB01.DHZ.01 2020-01-21T13:06:06.96 0.1 undecidable manual S 158 31.9458 50 0.07 96
IV.CRE.HHZ. 2020-01-21T13:06:05.15 0.3 undecidable manual S 263 27.0507 108 -0.11 72
IV.ATMC.EHN. 2020-01-21T13:06:04.46 0.1 undecidable manual S 199 23.5542 110 0.33 93
IV.SSFR.HHZ. 2020-01-21T13:06:04.08 0.1 undecidable manual P 120 46.3203 50 -0.17 92
IV.NARO.HHZ. 2020-01-21T13:06:04.01 0.6 undecidable manual S 100 24.0537 110 -0.27 47
IV.MURB.HHE. 2020-01-21T13:06:04.41 0.3 undecidable manual P 156 46.9197 50 0.08 70
IV.SFI.HNN. 2020-01-21T13:06:03.92 0.1 undecidable manual P 309 45.2214 50 -0.15 92
IV.ATMI.HHZ. 2020-01-21T13:06:03.11 0.1 undecidable manual P 182 34.9428 50 0.62 83
IV.ASQU.HHE. 2020-01-21T13:06:03.69 0.1 undecidable manual P 293 43.0236 50 -0.05 95
IV.CPGN.EHZ. 2020-01-21T13:06:03.64 0.6 undecidable manual S 9 17.1717 117 1.55 27
IV.ATLO.EHE. 2020-01-21T13:06:03.10 0.3 undecidable manual P 165 38.2284 50 0.1 71
IV.PIEI.HHZ. 2020-01-21T13:06:03.67 0.6 undecidable manual S 122 23.6541 110 -0.47 45
IV.FRON.EHZ. 2020-01-21T13:06:02.65 0.1 undecidable manual P 112 38.2284 50 -0.35 90
IV.BADI.EHZ. 2020-01-21T13:06:02.24 0.6 undecidable manual S 192 15.7731 119 0.58 44
IV.MPAG.EHZ. 2020-01-21T13:06:02.66 0.1 undecidable manual P 93 38.1285 50 -0.32 90
IV.PE3.EHZ. 2020-01-21T13:06:02.54 0.3 undecidable manual S 73 17.6712 116 0.28 71
IV.TB01.DHZ.01 2020-01-21T13:06:01.97 0.1 undecidable manual P 158 31.9458 50 -0.07 96
IV.APEC.HHZ. 2020-01-21T13:06:01.76 0.3 undecidable manual S 133 14.6742 121 0.42 69
IV.SSP9.EHZ. 2020-01-21T13:06:01.64 0.3 undecidable manual S 236 14.874 121 0.23 72
IV.ATBU.EHZ. 2020-01-21T13:06:01.40 0.1 undecidable manual P 132 28.5492 107 0.02 98
IV.ATVO.HHZ. 2020-01-21T13:06:01.82 0.1 undecidable manual P 162 31.1466 106 -0.05 97
IV.CPGN.EHZ. 2020-01-21T13:06:00.16 0.1 undecidable manual P 9 17.1717 117 0.9 77
IV.ATMC.EHN. 2020-01-21T13:06:00.31 0.1 undecidable manual P 199 23.5542 110 -0.13 96
IV.NARO.HHZ. 2020-01-21T13:06:00.17 0.1 undecidable manual P 100 24.0537 110 -0.35 92
IV.CRE.HHZ. 2020-01-21T13:06:00.79 0.1 undecidable manual P 263 27.0507 108 -0.31 92
IV.ATPC.HNN. 2020-01-21T13:06:00.21 0.1 undecidable manual P 143 23.1546 111 -0.15 96
IV.PE3.EHZ. 2020-01-21T13:05:59.52 0.1 undecidable manual P 73 17.6712 116 0.16 97
IV.PIEI.HHZ. 2020-01-21T13:05:59.97 0.1 undecidable manual P 122 23.6541 110 -0.48 90
IV.BADI.EHZ. 2020-01-21T13:05:59.20 0.1 undecidable manual P 192 15.7731 119 0.19 97
IV.SSP9.EHZ. 2020-01-21T13:05:59.13 0.1 undecidable manual P 236 14.874 121 0.26 95
IV.APEC.HHZ. 2020-01-21T13:05:58.86 0.1 undecidable manual P 133 14.6742 121 0.03 100
IV.PARC.HHZ. 2020-01-21T13:05:57.61 0.3 undecidable manual S 270 3.7962 157 -1.12 53
IV.PARC.HHZ. 2020-01-21T13:05:56.84 0.1 undecidable manual P 270 3.7962 157 -0.48 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:1.9 0.000745 0.6 AML other m 2020-01-21T13:06:02.31
IV.BADI.EHN. ML:2.0 0.000944 0.18 AML other m 2020-01-21T13:06:03.33
IV.SSP9.EHE. ML:1.6 0.00040849999999999995 0.74 AML other m 2020-01-21T13:06:03.77
IV.SSP9.EHN. ML:1.7 0.00048499999999999997 0.9 AML other m 2020-01-21T13:06:03.70
IV.PE3.EHN. ML:2.0 0.000898 0.32 AML other m 2020-01-21T13:06:03.79
IV.PE3.EHE. ML:1.9 0.0006585000000000001 1.6 AML other m 2020-01-21T13:06:03.02
IV.PIEI.HHN. ML:1.1 0.0000843 1.88 AML other m 2020-01-21T13:06:03.97
IV.APEC.HHN. ML:1.5 0.0003375 0.42 AML other m 2020-01-21T13:06:04.01
IV.PIEI.HHE. ML:1.3 0.0001385 0.24 AML other m 2020-01-21T13:06:04.12
IV.APEC.HHE. ML:1.8 0.000693 0.58 AML other m 2020-01-21T13:06:05.13
IV.NARO.HHN. ML:1.2 0.000097 0.22 AML other m 2020-01-21T13:06:05.46
IV.ATVO.HHE. ML:1.4 0.0001305 1.36 AML other m 2020-01-21T13:06:09.70
IV.NARO.HHE. ML:1.0 0.0000708 0.62 AML other m 2020-01-21T13:06:09.54
IV.SSFR.HHE. ML:1.7 0.000158 1.26 AML other m 2020-01-21T13:06:11.74
IV.SSFR.HHN. ML:1.8 0.000177 0.42 AML other m 2020-01-21T13:06:11.87
IV.ATVO.HHN. ML:1.4 0.000111 0.48 AML other m 2020-01-21T13:06:14.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download