Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 26-01-2015 and time 05:42:04 (UTC) in region 1 km N Pietralunga (PG)

A magnitude ML 2.1 earthquake occured in region: 1 km N Pietralunga (PG), on

  • 26-01-2015 05:42:04 (UTC)
  • 26-01-2015 06:42:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4520, 12.4400 at 7 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 1 2111 2111
Apecchio PU 12 1882 3993
Montone PG 13 1680 5673
Cantiano PU 15 2245 7918
Gubbio PG 16 32216 40134
Città di Castello PG 16 39913 80047
Piobbico PU 16 2029 82076
Umbertide PG 18 16681 98757
Scheggia e Pascelupo PG 19 1393 100150
Cagli PU 20 8731 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
59 Km NW of Foligno (57155 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
78 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
91 Km E of Siena (53903 inhabitants)
92 Km SE of Forlì (117913 inhabitants)
100 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
Bulletin
Rev1000 		ML 2.1 2015-01-26
05:42:04		 43.4515 12.4405 7 2015-10-19
09:26:59		 Bollettino Sismico Italiano INGV 19566531
Reviewed
Rev100 		ML 2.1 2015-01-26
05:42:04		 43.4543 12.4373 7 2015-01-26
05:51:21		 Sala Sismica INGV-Roma 16736221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-01-26 05:42:04 ± 0.05
Latitude 43.4515 ± 0.0027
Longitude 12.4405 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 19566531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 252
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.78871
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 16736221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-01-26 05:51:19

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 19566531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-06-08 09:09:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2015-01-26T05:42:32.09 0.1 undecidable manual S 141 87.5457 50 0.69 73
IV.FDMO.HHZ. 2015-01-26T05:42:27.17 0.1 undecidable manual S 131 69.6747 50 0.56 80
IV.ASQU.HHZ. 2015-01-26T05:42:25.80 0.1 undecidable manual S 306 64.7907 50 0.48 83
IV.CESI.HHZ. 2015-01-26T05:42:25.04 0.1 undecidable manual S 143 62.0934 50 0.44 84
IV.CING.HHZ. 2015-01-26T05:42:24.98 0.1 undecidable manual S 98 61.3941 50 0.57 81
IV.EL6.EHZ. 2015-01-26T05:42:22.89 0.1 undecidable manual S 104 55.0005 50 0.19 90
IV.SNTG.HHZ. 2015-01-26T05:42:20.28 0.1 undecidable manual S 118 45.8208 50 0.03 94
IV.NRCA.HHZ. 2015-01-26T05:42:20.03 0.1 undecidable manual P 141 87.5457 50 -0.08 86
IV.ASSB.HHZ. 2015-01-26T05:42:20.59 0.1 undecidable manual S 159 48.618 50 -0.42 87
IV.CPGN.EHZ. 2015-01-26T05:42:19.03 0.1 undecidable manual S 346 39.9267 50 0.34 89
IV.CRE.HHZ. 2015-01-26T05:42:19.30 0.1 undecidable manual S 295 43.5231 50 -0.32 89
IV.FSSB.HHZ. 2015-01-26T05:42:18.32 0.1 undecidable manual S 45 38.0286 101 0.18 93
IV.FDMO.HHZ. 2015-01-26T05:42:17.07 0.1 negative manual P 131 69.6747 50 -0.28 86
IV.ASQU.HHZ. 2015-01-26T05:42:16.51 0.1 undecidable manual P 306 64.7907 50 -0.09 90
IV.CESI.HHZ. 2015-01-26T05:42:16.01 0.1 positive manual P 143 62.0934 50 -0.18 89
IV.PESA.HHZ. 2015-01-26T05:42:16.31 0.1 undecidable manual P 30 63.0924 50 -0.02 92
IV.MPAG.EHZ. 2015-01-26T05:42:16.25 0.1 undecidable manual S 52 32.3454 103 0.06 96
IV.CING.HHZ. 2015-01-26T05:42:15.69 0.1 undecidable manual P 98 61.3941 50 -0.39 85
IV.PE3.EHZ. 2015-01-26T05:42:15.07 0.1 undecidable manual S 9 27.4503 105 0.51 88
IV.FOSV.EHZ. 2015-01-26T05:42:15.84 0.1 undecidable manual S 124 31.1466 103 0.05 96
IV.SSP9.EHZ. 2015-01-26T05:42:14.94 0.1 undecidable manual S 299 28.3494 104 0.1 96
IV.PARC.HHZ. 2015-01-26T05:42:14.91 0.1 undecidable manual S 323 27.2505 105 0.44 89
IV.EL6.EHZ. 2015-01-26T05:42:14.66 0.1 undecidable manual P 104 55.0005 50 -0.43 85
IV.SSFR.HNZ. 2015-01-26T05:42:14.42 0.1 undecidable manual S 93 27.5502 105 -0.16 95
IV.CRE.HHZ. 2015-01-26T05:42:13.03 0.1 undecidable manual P 295 43.5231 50 -0.28 90
IV.ASSB.HHZ. 2015-01-26T05:42:13.33 0.1 positive manual P 159 48.618 50 -0.78 76
IV.MURB.HHZ. 2015-01-26T05:42:13.33 0.1 undecidable manual S 162 21.9669 108 0.61 85
IV.SNTG.HHZ. 2015-01-26T05:42:13.12 0.1 undecidable manual P 118 45.8208 50 -0.56 83
IV.FRON.EHE. 2015-01-26T05:42:13.36 0.1 undecidable manual S 72 24.0537 107 -0.06 97
IV.NARO.HHZ. 2015-01-26T05:42:12.26 0.1 undecidable manual S 32 20.9679 109 -0.12 97
IV.CPGN.EHZ. 2015-01-26T05:42:12.93 0.1 undecidable manual P 346 39.9267 50 0.16 93
IV.FSSB.HHZ. 2015-01-26T05:42:11.88 0.1 positive manual P 45 38.0286 101 -0.58 84
IV.BADI.EHZ. 2015-01-26T05:42:11.21 0.1 undecidable manual S 292 17.0718 113 0.09 98
IV.FOSV.EHZ. 2015-01-26T05:42:10.84 0.1 undecidable manual P 124 31.1466 103 -0.26 92
IV.PARC.HHZ. 2015-01-26T05:42:10.13 0.1 undecidable manual P 323 27.2505 105 -0.21 94
IV.MPAG.EHZ. 2015-01-26T05:42:10.92 0.1 positive manual P 52 32.3454 103 -0.41 89
IV.SSFR.HNZ. 2015-01-26T05:42:10.13 0.1 positive manual P 93 27.5502 105 -0.27 93
IV.PE3.EHZ. 2015-01-26T05:42:10.32 0.1 undecidable manual P 9 27.4503 105 -0.07 97
IV.ATFO.HHZ. 2015-01-26T05:42:10.49 0.1 undecidable manual S 132 14.1747 117 0.29 95
IV.SSP9.EHZ. 2015-01-26T05:42:10.34 0.1 undecidable manual P 299 28.3494 104 -0.21 94
IV.APEC.HHZ. 2015-01-26T05:42:09.71 0.1 undecidable manual S 352 11.9769 121 0.17 97
IV.PIEI.HHZ. 2015-01-26T05:42:09.93 0.1 undecidable manual S 39 12.0768 121 0.37 93
IV.MURB.HHZ. 2015-01-26T05:42:09.49 0.1 undecidable manual P 162 21.9669 108 0.16 96
IV.FRON.EHE. 2015-01-26T05:42:09.53 0.1 positive manual P 72 24.0537 107 -0.2 95
IV.BADI.EHZ. 2015-01-26T05:42:08.44 0.1 positive manual P 292 17.0718 113 0.04 99
IV.NARO.HHZ. 2015-01-26T05:42:08.87 0.1 positive manual P 32 20.9679 109 -0.26 94
IV.ATVO.HHZ. 2015-01-26T05:42:08.70 0.1 undecidable manual S 200 8.1807 131 0.23 97
IV.ATFO.HHZ. 2015-01-26T05:42:07.95 0.1 positive manual P 132 14.1747 117 0.08 99
IV.ATVO.HHZ. 2015-01-26T05:42:07.08 0.1 positive manual P 200 8.1807 131 0.21 97
IV.APEC.HHZ. 2015-01-26T05:42:07.54 0.1 positive manual P 352 11.9769 121 0.05 100
IV.ATPI.EHZ. 2015-01-26T05:42:07.02 0.1 undecidable manual S 268 3.0969 157 -0.39 94
IV.PIEI.HHZ. 2015-01-26T05:42:07.62 0.1 positive manual P 39 12.0768 121 0.12 98
IV.ATPI.EHZ. 2015-01-26T05:42:06.15 0.1 positive manual P 268 3.0969 157 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:2.3 0.00275 0.24 AML other m 2015-01-26T05:42:09.80
IV.APEC.HHN. ML:2.3 0.0026550000000000002 0.14 AML other m 2015-01-26T05:42:10.04
IV.ASSB.HHE. ML:1.7 0.000133 1.32 AML other m 2015-01-26T05:42:22.94
IV.ASSB.HHN. ML:1.7 0.000141 0.2 AML other m 2015-01-26T05:42:23.35
IV.ATFO.HHN. ML:2.2 0.001645 0.14 AML other m 2015-01-26T05:42:10.95
IV.ATFO.HHE. ML:2.2 0.00185 0.22 AML other m 2015-01-26T05:42:11.58
IV.ATVO.HHE. ML:2.5 0.005470000000000001 0.2 AML other m 2015-01-26T05:42:08.90
IV.ATVO.HHN. ML:2.4 0.00401 0.42 AML other m 2015-01-26T05:42:09.00
IV.BADI.EHN. ML:2.4 0.00237 0.1 AML other m 2015-01-26T05:42:11.49
IV.BADI.EHE. ML:2.4 0.002355 0.1 AML other m 2015-01-26T05:42:11.77
IV.CRE.HHN. ML:1.8 0.0002045 0.18 AML other m 2015-01-26T05:42:19.95
IV.CRE.HHE. ML:1.7 0.000177 1.52 AML other m 2015-01-26T05:42:20.63
IV.FDMO.HHN. ML:1.8 0.00010355000000000001 0.16 AML other m 2015-01-26T05:42:28.33
IV.FDMO.HHE. ML:1.7 0.00008929999999999999 1.06 AML other m 2015-01-26T05:42:28.41
IV.FOSV.EHE. ML:1.6 0.000188 0.14 AML other m 2015-01-26T05:42:16.85
IV.FOSV.EHN. ML:1.7 0.00022799999999999999 0.32 AML other m 2015-01-26T05:42:18.50
IV.FSSB.HHN. ML:2.1 0.00046950000000000003 0.36 AML other m 2015-01-26T05:42:18.86
IV.FSSB.HHE. ML:2.0 0.000359 0.9 AML other m 2015-01-26T05:42:21.53
IV.MPAG.EHN. ML:1.6 0.000201 1.34 AML other m 2015-01-26T05:42:18.14
IV.MPAG.EHE. ML:1.7 0.0002125 0.36 AML other m 2015-01-26T05:42:16.36
IV.MURB.HNE. ML:2.5 0.002125 0.24 AML other m 2015-01-26T05:42:13.92
IV.MURB.HHE. ML:2.6 0.002535 0.24 AML other m 2015-01-26T05:42:13.92
IV.MURB.HHN. ML:2.4 0.001625 1.22 AML other m 2015-01-26T05:42:13.74
IV.MURB.HNN. ML:2.4 0.001685 1.26 AML other m 2015-01-26T05:42:13.73
IV.NARO.HHN. ML:1.9 0.000693 0.94 AML other m 2015-01-26T05:42:12.55
IV.NARO.HHE. ML:2.1 0.0009535 0.4 AML other m 2015-01-26T05:42:13.13
IV.NRCA.HHN. ML:2.0 0.00011054999999999999 0.14 AML other m 2015-01-26T05:42:33.77
IV.NRCA.HHE. ML:1.8 0.00008424999999999999 1.46 AML other m 2015-01-26T05:42:36.43
IV.PARC.HHE. ML:2.0 0.000544 1.18 AML other m 2015-01-26T05:42:15.46
IV.PARC.HHN. ML:2.0 0.000502 0.14 AML other m 2015-01-26T05:42:15.45
IV.PE3.EHE. ML:2.0 0.0005425 1.2 AML other m 2015-01-26T05:42:16.00
IV.PE3.EHN. ML:2.0 0.0005940000000000001 0.46 AML other m 2015-01-26T05:42:15.57
IV.PESA.HHE. ML:2.5 0.0006374999999999999 0.22 AML other m 2015-01-26T05:42:26.36
IV.PESA.HHN. ML:2.4 0.0005735 0.94 AML other m 2015-01-26T05:42:27.85
IV.PIEI.HHN. ML:2.4 0.00333 0.18 AML other m 2015-01-26T05:42:10.25
IV.PIEI.HHE. ML:2.5 0.00437 0.16 AML other m 2015-01-26T05:42:10.36
IV.SNTG.HHE. ML:1.9 0.0002385 0.72 AML other m 2015-01-26T05:42:21.38
IV.SNTG.HHN. ML:2.0 0.00032599999999999996 0.74 AML other m 2015-01-26T05:42:21.55
IV.SSFR.HHE. ML:2.2 0.000909 0.24 AML other m 2015-01-26T05:42:15.58
IV.SSFR.HNE. ML:2.3 0.0012 0.92 AML other m 2015-01-26T05:42:15.59
IV.SSFR.HNN. ML:2.4 0.001355 0.68 AML other m 2015-01-26T05:42:17.13
IV.SSFR.HHN. ML:2.3 0.001056 1.16 AML other m 2015-01-26T05:42:17.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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