Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 15-01-2021 and time 00:22:34 (UTC) in region 3 km E Pietralunga (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km E Pietralunga (PG), on

  • 15-01-2021 00:22:34 (UTC)
  • 15-01-2021 01:22:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4440, 12.4750 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 2111 2111
Cantiano PU 13 2245 4356
Gubbio PG 13 32216 36572
Apecchio PU 14 1882 38454
Montone PG 15 1680 40134
Scheggia e Pascelupo PG 16 1393 41527
Piobbico PU 16 2029 43556
Cagli PU 18 8731 52287
Città di Castello PG 19 39913 92200
Umbertide PG 19 16681 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
57 Km NW of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
79 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
93 Km SE of Forlì (117913 inhabitants)
99 Km N of Terni (111501 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
Reviewed
Rev100 		ML 1.3 2021-01-15
00:22:34		 43.4442 12.4752 9 2021-01-15
00:29:18		 Sala Sismica INGV-Roma 86256781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-15 00:22:34 ± 0.05
Latitude 43.4442 ± 0.0018
Longitude 12.4752 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86256781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 195
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 145
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 86256781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-15 00:29:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-01-15T00:22:47.37 0.1 undecidable manual S 81 38.0286 50 -0.11 93
IV.SSFR.HHZ. 2021-01-15T00:22:43.35 0.3 undecidable manual S 92 24.753 109 -0.05 72
IV.ATMI.HHZ. 2021-01-15T00:22:42.20 0.3 undecidable manual S 234 20.6682 112 0.13 72
IV.FRON.EHZ. 2021-01-15T00:22:42.29 0.1 undecidable manual S 68 21.7671 111 -0.13 95
IV.MURB.HHZ. 2021-01-15T00:22:42.34 0.1 undecidable manual S 169 20.4684 113 0.33 92
IV.NARO.HHZ. 2021-01-15T00:22:41.83 0.1 undecidable manual S 25 20.3685 113 -0.13 95
IV.BADI.EHZ. 2021-01-15T00:22:41.81 0.1 undecidable manual S 291 19.9689 113 -0.03 97
IV.ARVD.HHZ. 2021-01-15T00:22:41.70 0.6 positive manual P 81 38.0286 50 -0.22 45
IV.PE3.EHZ. 2021-01-15T00:22:40.40 0.1 positive manual P 3 27.9498 107 0.23 92
IV.PARC.HHZ. 2021-01-15T00:22:40.63 1.0 undecidable manual P 320 29.5482 106 0.15 23
IV.FOSV.EHZ. 2021-01-15T00:22:40.23 1.0 undecidable manual P 126 28.4493 107 -0.02 24
IV.MPAG.EHZ. 2021-01-15T00:22:40.48 0.3 positive manual P 48 30.747 106 -0.22 69
IV.ATFO.HHZ. 2021-01-15T00:22:39.25 0.3 undecidable manual S 138 11.5773 126 -0.06 74
IV.SSFR.HHZ. 2021-01-15T00:22:39.51 0.3 negative manual P 92 24.753 109 -0.05 72
IV.APEC.HHZ. 2021-01-15T00:22:39.93 0.1 undecidable manual S 341 13.4754 122 0.1 97
IV.PIEI.HHZ. 2021-01-15T00:22:39.65 0.1 undecidable manual S 25 11.2776 127 0.45 91
IV.TB02.DHN.01 2021-01-15T00:22:38.73 0.1 undecidable manual S 213 9.7791 131 -0.08 98
IV.BADI.EHZ. 2021-01-15T00:22:38.67 0.3 undecidable manual P 291 19.9689 113 0.01 73
IV.TB01.DHZ.01 2021-01-15T00:22:38.10 0.1 undecidable manual S 205 7.6812 138 -0.19 96
IV.ATMI.HHZ. 2021-01-15T00:22:38.64 0.3 undecidable manual P 234 20.6682 112 -0.15 71
IV.FRON.EHZ. 2021-01-15T00:22:38.96 0.1 positive manual P 68 21.7671 111 -0.03 97
IV.NARO.HHZ. 2021-01-15T00:22:38.53 0.6 undecidable manual P 25 20.3685 113 -0.2 47
IV.MURB.HHZ. 2021-01-15T00:22:38.98 0.6 positive manual P 169 20.4684 113 0.22 47
IV.PIEI.HHZ. 2021-01-15T00:22:37.31 1.0 undecidable manual P 25 11.2776 127 0.17 24
IV.ATFO.HHZ. 2021-01-15T00:22:37.34 0.1 undecidable manual P 138 11.5773 126 0.14 97
IV.ATPI.EHZ. 2021-01-15T00:22:37.61 0.1 undecidable manual S 277 5.8941 145 -0.3 94
IV.APEC.HHZ. 2021-01-15T00:22:37.62 0.1 positive manual P 341 13.4754 122 0.12 97
IV.ATPC.HHN. 2021-01-15T00:22:37.48 0.1 undecidable manual S 340 4.2957 153 -0.14 98
IV.ATPC.HHN. 2021-01-15T00:22:36.30 0.1 undecidable manual P 340 4.2957 153 0.08 99
IV.TB02.DHN.01 2021-01-15T00:22:36.93 0.1 undecidable manual P 213 9.7791 131 0.02 99
IV.TB01.DHZ.01 2021-01-15T00:22:36.63 0.1 undecidable manual P 205 7.6812 138 0.03 100
IV.ATPI.EHZ. 2021-01-15T00:22:36.36 0.3 undecidable manual P 277 5.8941 145 -0.03 75
IV.TB03.DHZ.01 2021-01-15T00:22:36.54 0.1 undecidable manual P 228 7.0929 140 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNN. ML:1.6 0.00067085295 0.29 AML other m 2021-01-15T00:22:37.68
IV.ATPI.EHN. ML:1.6 0.000676385 0.28 AML other m 2021-01-15T00:22:37.69
IV.ATPI.HNE. ML:1.5 0.0006068717000000001 0.31 AML other m 2021-01-15T00:22:38.18
IV.ATPI.EHE. ML:1.5 0.0005698004 0.3 AML other m 2021-01-15T00:22:38.19
IV.ATFO.HHN. ML:1.1 0.00014790253 0.18 AML other m 2021-01-15T00:22:40.25
IV.ATFO.HHE. ML:1.1 0.00014459234999999998 0.1 AML other m 2021-01-15T00:22:39.78
IV.PIEI.HHN. ML:1.6 0.00046577775 0.12 AML other m 2021-01-15T00:22:39.77
IV.PIEI.HHE. ML:1.6 0.0005480000000000001 1.86 AML other m 2021-01-15T00:22:39.04
IV.APEC.HHN. ML:1.4 0.00029857365 0.12 AML other m 2021-01-15T00:22:40.23
IV.APEC.HHE. ML:1.5 0.00037 0.16 AML other m 2021-01-15T00:22:40.30
IV.BADI.EHE. ML:1.4 0.00016886109999999997 0.2 AML other m 2021-01-15T00:22:42.12
IV.NARO.HHE. ML:1.1 0.0000921 1.14 AML other m 2021-01-15T00:22:42.72
IV.MURB.HHE. ML:1.7 0.0003615 0.2 AML other m 2021-01-15T00:22:42.64
IV.BADI.EHN. ML:1.1 0.000105382895 0.18 AML other m 2021-01-15T00:22:42.22
IV.NARO.HHN. ML:0.9 0.00006455 0.06 AML other m 2021-01-15T00:22:42.92
IV.ATMI.HHE. ML:1.1 0.00009003326363650001 0.18 AML other m 2021-01-15T00:22:43.16
IV.ATMI.HHN. ML:1.2 0.0001205 0.36 AML other m 2021-01-15T00:22:44.25
IV.MURB.HHN. ML:1.6 0.0002765 0.44 AML other m 2021-01-15T00:22:44.67
IV.SSFR.HHN. ML:1.4 0.00013494375 0.18 AML other m 2021-01-15T00:22:45.04
IV.SSFR.HHE. ML:1.3 0.000131 1.06 AML other m 2021-01-15T00:22:45.05
IV.APEC.HNE. ML:1.6 0.00047029870000000004 0.91 AML other m 2021-01-15T00:22:39.05
IV.APEC.HNN. ML:2.2 0.0018029164999999998 0.62 AML other m 2021-01-15T00:22:41.61
IV.FRON.EHE. ML:0.8 0.00004675807 0.12 AML other m 2021-01-15T00:22:43.28
IV.FRON.EHN. ML:1.0 0.00007738104000000001 0.06 AML other m 2021-01-15T00:22:43.36
IV.MURB.HNE. ML:1.6 0.0002820547 0.21 AML other m 2021-01-15T00:22:42.75
IV.MURB.HNN. ML:1.4 0.00020268823 0.17 AML other m 2021-01-15T00:22:43.68
IV.SSFR.HNE. ML:1.4 0.000159898 0.13 AML other m 2021-01-15T00:22:44.85
IV.SSFR.HNN. ML:1.5 0.00017648979999999997 0.4 AML other m 2021-01-15T00:22:53.03
IV.FOSV.EHE. ML:0.8 0.000037349825 1.28 AML other m 2021-01-15T00:22:40.53
IV.FOSV.EHN. ML:0.7 0.000022528915 0.6 AML other m 2021-01-15T00:22:54.55
IV.PE3.EHE. ML:1.3 0.0001013987 0.5 AML other m 2021-01-15T00:22:54.67
IV.PE3.EHN. ML:1.4 0.00013108753 0.34 AML other m 2021-01-15T00:22:49.26
IV.MPAG.HNE. ML:1.9 0.00035897851999999996 0.75 AML other m 2021-01-15T00:22:47.27
IV.MPAG.HNN. ML:2.1 0.00055420715 0.32 AML other m 2021-01-15T00:22:55.64
IV.MPAG.EHE. ML:0.9 0.00003446989 0.52 AML other m 2021-01-15T00:22:49.23
IV.MPAG.EHN. ML:0.9 0.000033523274999999996 0.54 AML other m 2021-01-15T00:22:54.35
IV.PARC.HHE. ML:0.8 0.0000334482385 1.1 AML other m 2021-01-15T00:22:55.47
IV.PARC.HHN. ML:0.8 0.00003247194 1.3 AML other m 2021-01-15T00:22:40.04
IV.ARVD.HHE. ML:0.7 0.000021097025 0.16 AML other m 2021-01-15T00:22:49.16
IV.ARVD.HHN. ML:1.0 0.000036861285 1.58 AML other m 2021-01-15T00:22:59.80
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