Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 20-02-2020 and time 15:48:57 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 20-02-2020 14:48:57 (UTC)
  • 20-02-2020 15:48:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4090, 12.4750 at 8 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
Pietralunga PG 5 2111 2111
Gubbio PG 10 32216 34327
Montone PG 13 1680 36007
Cantiano PU 14 2245 38252
Scheggia e Pascelupo PG 16 1393 39645
Umbertide PG 16 16681 56326
Apecchio PU 17 1882 58208
Città di Castello PG 20 39913 98121
Costacciaro PG 20 1216 99337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
95 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 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 2020-02-20
14:48:57		 43.4087 12.4752 8 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77538031
Reviewed
Rev100 		ML 1.7 2020-02-20
14:48:57		 43.4097 12.476 8 2020-02-20
14:57:36		 Sala Sismica INGV-Roma 76674011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-20 14:48:57 ± 0.04
Latitude 43.4087 ± 0.0018
Longitude 12.4752 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77538031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 171
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.61873
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 76674011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-20 14:57:36

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 77538031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-24 17:09:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-02-20T14:49:18.24 0.6 undecidable manual S 130 64.491 50 0.34 43
IV.MGAB.HHZ. 2020-02-20T14:49:17.78 0.6 undecidable manual S 208 62.3931 50 0.44 42
IV.CRE.HHZ. 2020-02-20T14:49:13.43 0.6 undecidable manual S 299 48.1185 50 -0.11 46
IV.MMUR.HNZ. 2020-02-20T14:49:12.21 0.3 undecidable manual S 85 42.2244 50 0.25 68
IV.ARVD.HHZ. 2020-02-20T14:49:11.13 0.3 undecidable manual S 75 38.8278 50 0.07 71
IV.SNTG.HNZ. 2020-02-20T14:49:11.68 0.3 undecidable manual S 114 41.2254 50 -0.02 71
IV.PARC.HHZ. 2020-02-20T14:49:09.70 0.3 undecidable manual S 325 32.745 104 0.51 65
IV.MPAG.EHZ. 2020-02-20T14:49:09.26 0.3 undecidable manual S 43 33.4443 103 -0.19 70
IV.CSP1.EHZ. 2020-02-20T14:49:09.80 0.1 undecidable manual P 121 68.6757 50 -0.13 88
IV.FDMO.HHZ. 2020-02-20T14:49:08.98 0.3 undecidable manual P 130 64.491 50 -0.3 64
IV.MGAB.HHZ. 2020-02-20T14:49:08.81 0.1 undecidable manual P 208 62.3931 50 -0.16 89
IV.FOSV.EHZ. 2020-02-20T14:49:07.30 0.3 undecidable manual S 119 26.3514 107 0.25 70
IV.COR1.HNZ. 2020-02-20T14:49:07.26 1.0 undecidable manual P 59 48.9177 50 0.37 22
IV.FRON.EHZ. 2020-02-20T14:49:06.44 0.3 undecidable manual S 59 23.5542 108 0.31 69
IV.NARO.HHZ. 2020-02-20T14:49:06.15 0.3 undecidable manual S 21 23.9538 108 -0.12 72
IV.CRE.HHZ. 2020-02-20T14:49:06.31 0.3 undecidable manual P 299 48.1185 50 -0.46 64
IV.SSFR.HHZ. 2020-02-20T14:49:06.51 0.3 undecidable manual S 83 24.9528 108 -0.08 73
IV.ATTE.HHZ. 2020-02-20T14:49:06.51 0.1 undecidable manual S 203 25.3524 107 -0.22 94
IV.CPGN.EHZ. 2020-02-20T14:49:06.73 0.3 undecidable manual P 344 45.2214 50 0.41 65
IV.ATVA.EHZ. 2020-02-20T14:49:05.58 0.3 undecidable manual S 227 21.0678 110 0.26 70
IV.SNTG.HNZ. 2020-02-20T14:49:05.12 0.6 undecidable manual P 114 41.2254 50 -0.59 42
IV.BADI.EHZ. 2020-02-20T14:49:05.91 0.3 undecidable manual S 301 21.6672 110 0.38 68
IV.MMUR.HNZ. 2020-02-20T14:49:05.93 0.3 undecidable manual P 85 42.2244 50 0.07 70
IV.ATMC.EHZ. 2020-02-20T14:49:05.98 0.3 undecidable manual S 281 23.1546 109 -0.02 74
IV.PARC.HHZ. 2020-02-20T14:49:04.05 0.1 undecidable manual P 325 32.745 104 -0.21 93
IV.ATSC.EHZ. 2020-02-20T14:49:04.51 0.3 undecidable manual S 84 17.0718 115 0.46 68
IV.ATMI.HHZ. 2020-02-20T14:49:04.75 0.3 undecidable manual S 244 18.6702 113 0.21 71
IV.MPAG.EHZ. 2020-02-20T14:49:04.02 0.1 positive manual P 43 33.4443 103 -0.39 89
IV.MURB.HHZ. 2020-02-20T14:49:04.36 0.3 undecidable manual S 166 16.6722 115 0.45 68
IT.UMBT.HGZ. 2020-02-20T14:49:04.54 0.3 undecidable manual S 222 15.7731 117 0.92 57
IV.ARVD.HHZ. 2020-02-20T14:49:04.94 0.3 undecidable manual P 75 38.8278 50 -0.4 66
IV.APEC.HHZ. 2020-02-20T14:49:04.49 0.3 undecidable manual S 345 17.1717 115 0.41 69
IV.FRON.EHZ. 2020-02-20T14:49:02.32 0.1 positive manual P 59 23.5542 108 -0.17 95
IV.BADI.EHZ. 2020-02-20T14:49:02.13 0.1 undecidable manual P 301 21.6672 110 -0.01 99
IV.FOSV.EHZ. 2020-02-20T14:49:02.66 0.3 undecidable manual P 119 26.3514 107 -0.36 68
IV.ATVA.EHZ. 2020-02-20T14:49:02.24 0.3 undecidable manual P 227 21.0678 110 0.22 71
IV.ATBU.EHZ. 2020-02-20T14:49:02.25 0.3 undecidable manual S 38 9.4794 130 0.46 69
IV.SSFR.HHZ. 2020-02-20T14:49:02.56 0.1 positive manual P 83 24.9528 108 -0.2 94
IV.NARO.HHZ. 2020-02-20T14:49:02.35 0.1 positive manual P 21 23.9538 108 -0.22 94
IV.ATTE.HHZ. 2020-02-20T14:49:02.74 0.6 undecidable manual P 203 25.3524 107 -0.1 48
IV.ATMC.EHZ. 2020-02-20T14:49:02.37 0.3 undecidable manual P 281 23.1546 109 -0.04 73
IV.ATLO.HNZ. 2020-02-20T14:49:02.48 0.3 undecidable manual S 208 11.7771 124 0.06 74
IT.UMBT.HGZ. 2020-02-20T14:49:01.73 0.6 undecidable manual P 222 15.7731 117 0.69 42
IV.ATPI.EHZ. 2020-02-20T14:49:01.10 0.3 undecidable manual S 308 7.4814 136 -0.19 73
IV.MURB.HHZ. 2020-02-20T14:49:01.33 0.3 undecidable manual P 166 16.6722 115 0.12 73
IV.ATMI.HHZ. 2020-02-20T14:49:01.48 0.6 undecidable manual P 244 18.6702 113 -0.09 49
IV.ATSC.EHZ. 2020-02-20T14:49:01.33 0.1 positive manual P 84 17.0718 115 0.04 99
IV.APEC.HHZ. 2020-02-20T14:49:01.39 0.3 undecidable manual P 345 17.1717 115 0.08 73
IV.ATPC.HHZ. 2020-02-20T14:49:01.60 0.3 undecidable manual S 350 8.0808 134 0.16 73
IV.ATLO.HNZ. 2020-02-20T14:49:00.43 0.1 positive manual P 208 11.7771 124 0.08 99
IV.TB03.DHZ.01 2020-02-20T14:49:00.40 0.3 undecidable manual S 261 5.2947 146 -0.41 70
IV.TB02.DHZ.01 2020-02-20T14:49:00.90 0.3 undecidable manual S 231 6.7932 139 -0.23 73
IV.ATBU.EHZ. 2020-02-20T14:49:00.19 0.1 positive manual P 38 9.4794 130 0.2 97
IV.TB01.DHZ.01 2020-02-20T14:49:00.20 0.3 undecidable manual S 227 4.3956 151 -0.44 70
IV.ATVO.HHZ. 2020-02-20T14:49:00.70 0.3 undecidable manual S 242 6.2937 141 -0.31 71
IV.TB01.DHZ.01 2020-02-20T14:48:59.12 0.1 positive manual P 227 4.3956 151 -0.2 98
IV.ATVO.HHZ. 2020-02-20T14:48:59.39 0.1 positive manual P 242 6.2937 141 -0.14 99
IV.ATPI.EHZ. 2020-02-20T14:48:59.61 0.1 positive manual P 308 7.4814 136 -0.09 99
IV.TB03.DHZ.01 2020-02-20T14:48:59.23 0.1 positive manual P 261 5.2947 146 -0.19 98
IV.ATPC.HHZ. 2020-02-20T14:48:59.84 0.1 positive manual P 350 8.0808 134 0.06 100
IV.TB02.DHZ.01 2020-02-20T14:48:59.55 0.3 undecidable manual P 231 6.7932 139 -0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNN. ML:2.0 0.001565 0.1 AML other m 2020-02-20T14:49:01.12
IV.ATPI.EHN. ML:1.9 0.001545 0.1 AML other m 2020-02-20T14:49:01.18
IV.ATPI.HNE. ML:1.6 0.0007905 0.54 AML other m 2020-02-20T14:49:01.87
IV.ATPI.EHE. ML:1.6 0.0007185 0.54 AML other m 2020-02-20T14:49:01.88
IV.MURB.HHN. ML:1.8 0.00061 1.1 AML other m 2020-02-20T14:49:04.03
IV.APEC.HHN. ML:1.6 0.00034750000000000004 0.3 AML other m 2020-02-20T14:49:04.64
IV.ATMI.HHE. ML:1.6 0.0003265 1.16 AML other m 2020-02-20T14:49:05.89
IV.ATMI.HHN. ML:1.7 0.000378 0.18 AML other m 2020-02-20T14:49:05.71
IV.MURB.HHE. ML:1.9 0.000823 0.22 AML other m 2020-02-20T14:49:05.78
IV.MURB.HNE. ML:1.9 0.0008045 0.36 AML other m 2020-02-20T14:49:05.80
IV.APEC.HHE. ML:1.5 0.000259 0.16 AML other m 2020-02-20T14:49:06.21
IV.BADI.EHE. ML:2.0 0.0006825 0.16 AML other m 2020-02-20T14:49:06.16
IV.BADI.EHN. ML:1.8 0.0005344999999999999 0.5 AML other m 2020-02-20T14:49:06.42
IV.NARO.HHN. ML:1.3 0.00013450000000000002 0.18 AML other m 2020-02-20T14:49:06.51
IV.NARO.HHE. ML:1.4 0.0001605 1.18 AML other m 2020-02-20T14:49:06.00
IV.FRON.EHN. ML:1.3 0.0001325 0.68 AML other m 2020-02-20T14:49:07.18
IV.ATTE.HHN. ML:1.3 0.00011814999999999999 0.62 AML other m 2020-02-20T14:49:07.32
IV.FRON.EHE. ML:1.2 0.00010655 1.36 AML other m 2020-02-20T14:49:07.79
IV.SSFR.HHE. ML:1.8 0.000359 0.56 AML other m 2020-02-20T14:49:08.32
IV.SSFR.HNE. ML:1.9 0.00044050000000000003 0.52 AML other m 2020-02-20T14:49:08.33
IV.SSFR.HHN. ML:1.8 0.0004165 0.22 AML other m 2020-02-20T14:49:08.34
IV.SSFR.HNN. ML:1.9 0.000443 0.24 AML other m 2020-02-20T14:49:08.47
IV.FOSV.EHE. ML:1.0 0.000062 1.34 AML other m 2020-02-20T14:49:08.12
IV.ATTE.HHE. ML:1.2 0.00009355 1 AML other m 2020-02-20T14:49:08.90
IV.MPAG.EHE. ML:1.1 0.000053500000000000006 0.68 AML other m 2020-02-20T14:49:10.07
IV.MPAG.EHN. ML:1.3 0.0000814 0.76 AML other m 2020-02-20T14:49:10.16
IV.PARC.HHE. ML:1.2 0.0000787 1.38 AML other m 2020-02-20T14:49:10.18
IV.PARC.HHN. ML:1.4 0.00011199999999999998 0.14 AML other m 2020-02-20T14:49:10.90
IV.CRE.HHE. ML:1.4 0.00007205 0.24 AML other m 2020-02-20T14:49:14.59
IV.CRE.HHN. ML:1.6 0.00011125000000000001 0.28 AML other m 2020-02-20T14:49:14.69
IV.MGAB.HNE. ML:1.8 0.0001204 0.36 AML other m 2020-02-20T14:49:19.17
IV.MGAB.HHE. ML:1.8 0.00011690000000000001 0.38 AML other m 2020-02-20T14:49:19.17
IV.MGAB.HHN. ML:1.6 0.00008365 1.46 AML other m 2020-02-20T14:49:20.04
IV.MGAB.HNN. ML:1.6 0.0000849 1.46 AML other m 2020-02-20T14:49:20.04
IV.CSP1.EHN. ML:1.6 0.0000635 0.5 AML other m 2020-02-20T14:49:21.08
IV.CSP1.EHE. ML:1.6 0.00007314999999999999 1.28 AML other m 2020-02-20T14:49:21.35
IV.MURB.HNN. ML:1.7 0.00044111165 0.3904 AML other m 2020-02-20T14:49:04.75
IV.FOSV.EHN. ML:1.1 0.00006922717 3.4624 AML other m 2020-02-20T14:49:09.47
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