Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 10-02-2014 and time 11:35:44 (Italy) in region 7 km SE Pietralunga (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km SE Pietralunga (PG), on

  • 10-02-2014 10:35:44 (UTC)
  • 10-02-2014 11:35:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3980, 12.5020 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 7 2111 2111
Gubbio PG 8 32216 34327
Cantiano PU 13 2245 36572
Scheggia e Pascelupo PG 14 1393 37965
Montone PG 15 1680 39645
Umbertide PG 17 16681 56326
Costacciaro PG 18 1216 57542
Apecchio PU 19 1882 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
52 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
94 Km N of Terni (111501 inhabitants)
95 Km E of Siena (53903 inhabitants)
99 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 2014-02-10
10:35:44		 43.3975 12.5023 9 2015-09-21
09:34:15		 Bollettino Sismico Italiano INGV 5781891
Reviewed
Rev100 		ML 1.6 2014-02-10
10:35:44		 43.3975 12.5023 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5499921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-10 10:35:44 ± 0.05
Latitude 43.3975 ± 0.0036
Longitude 12.5023 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5781891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.35613
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 5781891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-22 15:01:28

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 5499921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-10 10:41:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2014-02-10T10:35:57.48 0.1 undecidable manual S 114 38.7279 50 0.11 93
IV.PARC.HHZ. 2014-02-10T10:35:56.47 0.3 undecidable manual S 323 35.0427 50 0.09 71
IV.ARVD.HHZ. 2014-02-10T10:35:56.78 0.6 undecidable manual S 72 37.1295 50 -0.15 46
IV.ATCC.EHZ. 2014-02-10T10:35:54.00 0.1 undecidable manual S 155 26.0517 108 0.49 88
IV.BADI.EHZ. 2014-02-10T10:35:53.20 0.1 undecidable manual S 301 24.2535 109 0.29 92
IV.SSFR.HHZ. 2014-02-10T10:35:52.57 0.1 undecidable manual S 79 22.9548 110 0.07 96
IV.FRON.EHZ. 2014-02-10T10:35:52.60 0.1 undecidable manual S 53 22.3554 111 0.28 92
IV.ARVD.HHZ. 2014-02-10T10:35:51.19 0.3 undecidable manual P 72 37.1295 50 -0.28 68
IV.SNTG.HHZ. 2014-02-10T10:35:51.39 0.1 undecidable manual P 114 38.7279 50 -0.33 89
IV.FSSB.HHZ. 2014-02-10T10:35:51.76 0.3 undecidable manual P 34 39.5271 50 -0.08 70
IV.PARC.HHZ. 2014-02-10T10:35:51.15 0.1 undecidable manual P 323 35.0427 50 0 96
IV.MURB.HHZ. 2014-02-10T10:35:50.16 0.3 undecidable manual S 173 15.0738 120 0.17 72
IV.ATCC.EHZ. 2014-02-10T10:35:49.54 0.6 undecidable manual P 155 26.0517 108 0.05 48
IV.BADI.EHZ. 2014-02-10T10:35:49.18 0.1 undecidable manual P 301 24.2535 109 0.03 97
IV.FRON.EHZ. 2014-02-10T10:35:48.83 0.1 undecidable manual P 53 22.3554 111 0.02 97
IV.FOSV.EHZ. 2014-02-10T10:35:48.76 0.6 undecidable manual P 119 23.754 110 -0.3 46
IV.ATPI.EHZ. 2014-02-10T10:35:48.56 0.1 undecidable manual S 306 9.9789 130 0 100
IV.SSFR.HHZ. 2014-02-10T10:35:48.92 0.1 undecidable manual P 79 22.9548 110 0.01 98
IV.MURB.HHZ. 2014-02-10T10:35:47.58 0.1 undecidable manual P 173 15.0738 120 0.12 97
IV.ATVO.HHZ. 2014-02-10T10:35:47.65 0.1 undecidable manual S 258 7.881 137 -0.38 93
IV.ATFO.HHZ. 2014-02-10T10:35:47.39 0.1 undecidable manual S 122 6.5934 142 -0.34 94
IV.ATFO.HHZ. 2014-02-10T10:35:46.06 0.1 undecidable manual P 122 6.5934 142 -0.09 99
IV.ATVO.HHZ. 2014-02-10T10:35:46.25 0.1 undecidable manual P 258 7.881 137 -0.08 99
IV.ATPI.EHZ. 2014-02-10T10:35:46.73 0.1 undecidable manual P 306 9.9789 130 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.5 0.00016295 0.12 AML other m 2014-02-10T10:35:54.16
IV.ATCC.EHE. ML:1.5 0.0001655 1.32 AML other m 2014-02-10T10:35:54.29
IV.ATFO.HHN. ML:2.0 0.0017 0.28 AML other m 2014-02-10T10:35:47.53
IV.ATFO.HHE. ML:1.9 0.0014100000000000002 0.52 AML other m 2014-02-10T10:35:47.74
IV.ATVO.HHN. ML:1.4 0.0004555 0.16 AML other m 2014-02-10T10:35:48.10
IV.ATVO.HHE. ML:1.4 0.0004265 0.4 AML other m 2014-02-10T10:35:48.19
IV.MURB.HHN. ML:1.6 0.000424 1.42 AML other m 2014-02-10T10:35:51.16
IV.MURB.HHE. ML:1.7 0.0005175000000000001 0.26 AML other m 2014-02-10T10:35:53.16
IV.SSFR.HHE. ML:1.7 0.0003035 0.16 AML other m 2014-02-10T10:35:53.71
IV.SSFR.HHN. ML:1.5 0.000191 1.58 AML other m 2014-02-10T10:35:55.44
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