Earthquake with magnitude of ML 0.1 on date 26-04-2014 and time 02:06:31 (Italy) in region 7 km SE Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 7 km SE Pietralunga (PG), on

  • 26-04-2014 00:06:31 (UTC)
  • 26-04-2014 02:06:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.41, 12.5 at 5 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 7 2111 2111
Gubbio PG 9 32216 34327
Cantiano PU 13 2245 36572
Scheggia e Pascelupo PG 14 1393 37965
Montone PG 15 1680 39645
Costacciaro PG 18 1216 40861
Umbertide PG 18 16681 57542
Apecchio PU 18 1882 59424
Cagli PU 20 8731 68155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
53 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
84 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
95 Km N of Terni (111501 inhabitants)
95 Km E of Siena (53903 inhabitants)
98 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
Rev 100 Md 1.0
ML 0.1
2014-04-26
00:06:31
43.41 12.5 5 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6305641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-26 00:06:31 ± 0.17
Latitude 43.41 ± 0.00
Longitude 12.50 ± 0.01
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6305641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 430
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
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) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.14389
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 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 6305641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-26 12:55:08

Md:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 6305641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-26 12:55:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2014-04-26T00:06:37.43 0.3 undecidable manual S 10 0.1322 108 0.19 86
IV.MURB.HHZ. 2014-04-26T00:06:37.99 0.3 undecidable manual S 173 0.1439 107 0.33 86
IV.MURB.HHZ. 2014-04-26T00:06:35.18 0.1 undecidable manual P 173 0.1439 107 -0.04 114
IV.ATVO.HHZ. 2014-04-26T00:06:35.14 0.3 undecidable manual S 252 0.0728 121 -0.02 86
IV.ATPI.EHZ. 2014-04-26T00:06:35.65 0.3 undecidable manual S 302 0.0854 117 0.09 86
IV.ATFO.HHZ. 2014-04-26T00:06:34.77 0.3 undecidable manual S 127 0.0639 124 -0.12 86
IV.PIEI.HHZ. 2014-04-26T00:06:34.96 0.1 undecidable manual P 10 0.1322 108 -0.02 114
IV.ATPI.EHZ. 2014-04-26T00:06:33.97 0.1 undecidable manual P 302 0.0854 117 -0.04 114
IV.ATFO.HHZ. 2014-04-26T00:06:33.53 0.1 undecidable manual P 127 0.0639 124 -0.09 114
IV.ATVO.HHZ. 2014-04-26T00:06:33.68 0.1 undecidable manual P 252 0.0728 121 -0.1 114
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 2.125E-5 0.34 AML other m 2014-04-26T00:06:38.41
IV.PIEI.HHN. ML:-0.1 1.1785E-5 0.34 AML other m 2014-04-26T00:06:38.12
IV.ATPI.EHZ. Md:0.9 7 END duration s
IV.ATFO.HHZ. Md:0.9 7 END duration s
IV.ATVO.HHZ. Md:1.1 9 END duration s
IV.PIEI.HHZ. Md:1.2 10 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