Earthquake with magnitude of ML 0.1 on date 26-04-2014 and time 19:53:42 (Italy) in region 4 km NW Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 4 km NW Pietralunga (PG), on

  • 26-04-2014 17:53:42 (UTC)
  • 26-04-2014 19:53:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.48, 12.42 at 7 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.

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 4 2111 2111
Apecchio PU 9 1882 3993
Piobbico PU 15 2029 6022
CittĂ  di Castello PG 15 39913 45935
Montone PG 15 1680 47615
Cantiano PU 17 2245 49860
Gubbio PG 19 32216 82076
Mercatello sul Metauro PU 20 1378 83454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
43 Km E of Arezzo (99543 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
63 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
88 Km SE of Forlì (117913 inhabitants)
89 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
99 Km E of Firenze (382808 inhabitants)
100 Km SE of Faenza (58541 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
Md 0.9
ML 0.1
2014-04-26
17:53:42
43.48 12.42 7 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6308251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-26 17:53:42 ± 0.14
Latitude 43.48 ± 0.00
Longitude 12.42 ± 0.00
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6308251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 418
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 420
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.15738
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 6308251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-26 18:53:44

Md:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 5
Type of magnitude Md
Reference to an origin 6308251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-26 18:53:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2014-04-26T17:53:48.75 0.3 undecidable manual S 134 0.1574 112 -0.08 86
IV.BADI.EHZ. 2014-04-26T17:53:47.87 0.3 undecidable manual S 285 0.1304 116 -0.01 86
IV.PIEI.HHZ. 2014-04-26T17:53:47.00 0.3 undecidable manual S 55 0.1025 122 0.05 86
IV.ATVO.HHZ. 2014-04-26T17:53:46.89 0.3 undecidable manual S 185 0.0962 124 0.15 86
IV.PIEI.HHZ. 2014-04-26T17:53:45.04 0.1 undecidable manual P 55 0.1025 122 0.07 114
IV.ATFO.HHZ. 2014-04-26T17:53:45.92 0.1 undecidable manual P 134 0.1574 112 -0.14 114
IV.BADI.EHZ. 2014-04-26T17:53:45.44 0.1 undecidable manual P 285 0.1304 116 -0.07 114
IV.ATVO.HHZ. 2014-04-26T17:53:44.96 0.1 undecidable manual P 185 0.0962 124 0.11 114
IV.ATPI.EHZ. 2014-04-26T17:53:44.89 0.3 undecidable manual S 203 0.0297 155 -0.13 86
IV.ATPI.EHZ. 2014-04-26T17:53:43.86 0.1 undecidable manual P 203 0.0297 155 0 114
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 1.835E-5 0.16 AML other m 2014-04-26T17:53:48.58
IV.PIEI.HHN. ML:0 1.475E-5 2.38 AML other m 2014-04-26T17:53:47.39
IV.ATPI.EHZ. Md:0.7 6 END duration s
IV.PIEI.HHZ. Md:0.9 7 END duration s
IV.ATVO.HHZ. Md:1 8 END duration s
IV.ATFO.HHZ. Md:1.1 8 END duration s
IV.BADI.EHZ. Md:1 7 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download