Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-02-2020 and time 13:19:01 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 22-02-2020 12:19:01 (UTC)
  • 22-02-2020 13:19:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4080, 12.4760 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
Costacciaro PG 20 1216 59424
Città di Castello PG 20 39913 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 1.8 2020-02-22
12:19:01		 43.4077 12.4758 8 2020-07-18
21:08:22		 Bollettino Sismico Italiano INGV 76866771
Reviewed
Rev100 		ML 1.7 2020-02-22
12:19:01		 43.4075 12.4818 8 2020-02-22
12:25:35		 Sala Sismica INGV-Roma 76720111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-22 12:19:01 ± 0.04
Latitude 43.4077 ± 0.0018
Longitude 12.4758 ± 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 76866771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 217
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
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 60
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 76720111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-22 12:25:35

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 76866771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 13:05:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-02-22T12:19:22.53 0.6 undecidable manual S 130 64.2912 50 0.45 41
IV.ARRO.EHZ. 2020-02-22T12:19:22.01 3.0 undecidable manual S -8.09 0
IV.CSNT.HHZ. 2020-02-22T12:19:21.20 3.0 undecidable manual P 2.02 0
IV.EL6.EHZ. 2020-02-22T12:19:19.01 0.6 undecidable manual S 100 51.2154 50 0.43 42
IV.CRE.HHZ. 2020-02-22T12:19:18.22 0.6 undecidable manual S 299 48.2184 50 0.43 43
IV.ARRO.EHZ. 2020-02-22T12:19:17.25 3.0 undecidable manual P -0.85 0
IV.ARVD.HHZ. 2020-02-22T12:19:15.16 0.6 undecidable manual S 75 38.8278 50 -0.11 46
IV.SNTG.HHZ. 2020-02-22T12:19:15.79 0.6 undecidable manual S 114 41.1255 50 -0.11 46
IV.CSP1.EHZ. 2020-02-22T12:19:14.16 0.3 undecidable manual P 120 68.5758 50 0.01 67
IV.PARC.HHZ. 2020-02-22T12:19:13.69 0.6 undecidable manual S 325 32.8449 104 0.19 46
IV.FDMO.HHZ. 2020-02-22T12:19:13.30 0.1 undecidable manual P 130 64.2912 50 -0.2 87
IV.MPAG.EHZ. 2020-02-22T12:19:13.53 0.6 undecidable manual S 43 33.5442 103 -0.2 46
IV.EL6.EHZ. 2020-02-22T12:19:11.23 0.1 undecidable manual P 100 51.2154 50 -0.25 88
IV.FOSV.EHZ. 2020-02-22T12:19:11.54 0.3 undecidable manual S 118 26.1516 107 0.26 69
IV.ATMC.EHZ. 2020-02-22T12:19:10.32 0.3 undecidable manual S 281 23.2545 109 0.03 73
IV.SSFR.HHZ. 2020-02-22T12:19:10.89 0.3 undecidable manual S 83 24.8529 108 0.05 72
IV.CRE.HHZ. 2020-02-22T12:19:10.76 0.1 undecidable manual P 299 48.2184 50 -0.26 88
IV.BADI.EHZ. 2020-02-22T12:19:10.08 0.3 undecidable manual S 301 21.7671 110 0.24 70
IV.CPGN.EHZ. 2020-02-22T12:19:10.97 0.1 undecidable manual P 344 45.4212 50 0.39 87
IV.FRON.EHZ. 2020-02-22T12:19:10.47 0.3 undecidable manual S 59 23.5542 109 0.07 72
IV.ATTE.HHZ. 2020-02-22T12:19:10.74 0.6 undecidable manual S 203 25.2525 108 -0.24 46
IV.NARO.HHZ. 2020-02-22T12:19:10.40 0.3 undecidable manual S 20 24.0537 108 -0.17 71
IV.SNTG.HHZ. 2020-02-22T12:19:09.54 0.1 undecidable manual P 114 41.1255 50 -0.39 87
IV.ATVA.EHZ. 2020-02-22T12:19:09.74 0.3 undecidable manual S 227 20.9679 111 0.16 71
IV.ARVD.HHZ. 2020-02-22T12:19:09.15 0.1 undecidable manual P 75 38.8278 50 -0.42 87
IV.ATMI.HHZ. 2020-02-22T12:19:08.97 0.3 undecidable manual S 244 18.6702 113 0.16 71
IV.MPAG.EHZ. 2020-02-22T12:19:08.33 0.1 undecidable manual P 43 33.5442 103 -0.35 89
IV.ATSC.EHZ. 2020-02-22T12:19:08.75 0.3 undecidable manual S 84 17.0718 115 0.44 67
IV.PARC.HHZ. 2020-02-22T12:19:08.47 0.3 undecidable manual P 325 32.8449 104 -0.08 71
IV.APEC.HHZ. 2020-02-22T12:19:08.72 0.3 undecidable manual S 345 17.3715 115 0.32 69
IV.MURB.HHZ. 2020-02-22T12:19:08.56 0.3 undecidable manual S 166 16.5723 116 0.41 68
IV.ATTE.HHZ. 2020-02-22T12:19:07.10 0.3 undecidable manual P 203 25.2525 108 0.01 73
IV.FOSV.EHZ. 2020-02-22T12:19:07.04 0.1 undecidable manual P 118 26.1516 107 -0.22 93
IV.FRON.EHZ. 2020-02-22T12:19:06.61 0.1 undecidable manual P 59 23.5542 109 -0.14 95
IV.NARO.HHZ. 2020-02-22T12:19:06.62 0.1 undecidable manual P 20 24.0537 108 -0.23 93
IV.ATMC.EHZ. 2020-02-22T12:19:06.67 0.3 undecidable manual P 281 23.2545 109 -0.02 73
IV.SSFR.HHZ. 2020-02-22T12:19:06.92 0.1 positive manual P 83 24.8529 108 -0.09 96
IV.ATVA.EHZ. 2020-02-22T12:19:06.52 0.3 undecidable manual P 227 20.9679 111 0.24 70
IV.ATLO.EHZ. 2020-02-22T12:19:06.79 0.3 undecidable manual S 208 11.6772 124 0.11 73
IV.ATBU.HNZ. 2020-02-22T12:19:06.54 0.3 undecidable manual S 38 9.5793 130 0.44 68
IV.BADI.EHZ. 2020-02-22T12:19:06.57 0.1 negative manual P 301 21.7671 110 0.14 95
IV.ATPC.HHZ. 2020-02-22T12:19:05.92 0.3 undecidable manual S 349 8.2806 134 0.16 73
IV.APEC.HHZ. 2020-02-22T12:19:05.69 0.3 undecidable manual P 345 17.3715 115 0.09 73
IT.UMBT.HGZ. 2020-02-22T12:19:05.61 0.6 undecidable manual P 223 15.6732 117 0.31 46
IV.ATVO.HHZ. 2020-02-22T12:19:05.01 0.1 undecidable manual S 243 6.2937 142 -0.29 95
IV.MURB.HHZ. 2020-02-22T12:19:05.69 0.3 undecidable manual P 166 16.5723 116 0.24 70
IV.ATPI.EHZ. 2020-02-22T12:19:05.39 0.1 undecidable manual S 309 7.5813 136 -0.22 96
IV.TB02.DHZ.01 2020-02-22T12:19:05.36 0.3 undecidable manual S 232 6.7932 140 -0.05 74
IV.ATMI.HHZ. 2020-02-22T12:19:05.88 0.3 undecidable manual P 244 18.6702 113 0.04 73
IV.ATSC.EHZ. 2020-02-22T12:19:05.69 0.3 undecidable manual P 84 17.0718 115 0.14 72
IV.ATLO.EHZ. 2020-02-22T12:19:04.78 0.1 undecidable manual P 208 11.6772 124 0.17 96
IV.ATBU.HNZ. 2020-02-22T12:19:04.47 0.1 undecidable manual P 38 9.5793 130 0.2 96
IV.TB01.DHZ.01 2020-02-22T12:19:04.51 0.3 undecidable manual S 228 4.3956 151 -0.42 69
IV.ATPC.HHZ. 2020-02-22T12:19:04.16 0.1 undecidable manual P 349 8.2806 134 0.09 98
IV.TB03.DHZ.01 2020-02-22T12:19:04.79 0.1 undecidable manual S 262 5.2947 146 -0.32 94
IV.ATVO.HHZ. 2020-02-22T12:19:03.75 0.1 positive manual P 243 6.2937 142 -0.06 99
IV.TB01.DHZ.01 2020-02-22T12:19:03.48 0.1 undecidable manual P 228 4.3956 151 -0.12 98
IV.ATPI.EHZ. 2020-02-22T12:19:03.90 0.1 undecidable manual P 309 7.5813 136 -0.09 98
IV.TB03.DHZ.01 2020-02-22T12:19:03.56 0.1 undecidable manual P 262 5.2947 146 -0.14 98
IV.TB02.DHZ.01 2020-02-22T12:19:03.89 0.1 undecidable manual P 232 6.7932 140 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.8 0.00106 0.32 AML other m 2020-02-22T12:19:05.41
IV.ATVO.HHE. ML:2.0 0.0019499999999999997 0.42 AML other m 2020-02-22T12:19:05.11
IV.ATPI.HNN. ML:2.1 0.002165 0.08 AML other m 2020-02-22T12:19:05.46
IV.ATPI.EHN. ML:2.1 0.00209 0.08 AML other m 2020-02-22T12:19:05.46
IV.ATPI.EHE. ML:1.8 0.0009830000000000001 0.46 AML other m 2020-02-22T12:19:06.30
IV.ATPI.HNE. ML:1.8 0.001001 0.48 AML other m 2020-02-22T12:19:06.30
IV.APEC.HHN. ML:1.8 0.000531 0.38 AML other m 2020-02-22T12:19:09.04
IV.MURB.HNN. ML:1.8 0.0005484999999999999 0.22 AML other m 2020-02-22T12:19:09.46
IV.MURB.HHN. ML:1.9 0.0007055 0.16 AML other m 2020-02-22T12:19:09.35
IV.ATMI.HHE. ML:1.7 0.000377 0.86 AML other m 2020-02-22T12:19:09.69
IV.ATMI.HHN. ML:1.8 0.000517 1.78 AML other m 2020-02-22T12:19:10.09
IV.MURB.HHE. ML:1.9 0.000839 0.42 AML other m 2020-02-22T12:19:10.19
IV.MURB.HNE. ML:1.9 0.000843 0.28 AML other m 2020-02-22T12:19:10.20
IV.APEC.HHE. ML:1.6 0.000391 0.2 AML other m 2020-02-22T12:19:10.53
IV.NARO.HHN. ML:1.4 0.0001725 0.16 AML other m 2020-02-22T12:19:10.82
IV.NARO.HHE. ML:1.6 0.00027550000000000003 0.2 AML other m 2020-02-22T12:19:10.91
IV.FRON.EHN. ML:1.6 0.00025 0.12 AML other m 2020-02-22T12:19:11.01
IV.SSFR.HHE. ML:1.9 0.0004935 0.72 AML other m 2020-02-22T12:19:11.59
IV.FRON.EHE. ML:1.3 0.00013314999999999998 0.58 AML other m 2020-02-22T12:19:12.12
IV.SSFR.HHN. ML:1.9 0.0004525 0.94 AML other m 2020-02-22T12:19:12.13
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