Earthquake with magnitude of ML 0.1 on date 25-04-2014 and time 09:22:59 (Italy) in region 8 km E Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 8 km E Pietralunga (PG), on

  • 25-04-2014 07:22:59 (UTC)
  • 25-04-2014 09:22:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.43, 12.54 at 6 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 8 2111 2111
Gubbio PG 9 32216 34327
Cantiano PU 9 2245 36572
Scheggia e Pascelupo PG 11 1393 37965
Costacciaro PG 16 1216 39181
Cagli PU 16 8731 47912
Apecchio PU 18 1882 49794
Piobbico PU 18 2029 51823
Montone PG 18 1680 53503
Frontone PU 19 1300 54803
Sigillo PG 20 2404 57207

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
54 Km N of Foligno (57155 inhabitants)
61 Km SW of Fano (60888 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
71 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
83 Km S of Cesena (96758 inhabitants)
97 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 inhabitants)
98 Km E of Siena (53903 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 1.2
ML 0.1
2014-04-25
07:22:59
43.43 12.54 6 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6292091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-25 07:22:59 ± 0.25
Latitude 43.43 ± 0.00
Longitude 12.54 ± 0.01
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6292091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 570
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.10882
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.3
Num. used stations 1
Type of magnitude ML
Reference to an origin 6292091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-25 13:10:17

Md:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 2
Type of magnitude Md
Reference to an origin 6292091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-25 13:10:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2014-04-25T07:23:08.67 3.0 undecidable manual P 1.14 0
IV.GAG1.HNZ. 2014-04-25T07:23:05.33 3.0 undecidable manual P -1 0
IV.PIEI.HHZ. 2014-04-25T07:23:04.48 0.3 undecidable manual S 0 0.1088 115 0.02 86
IV.ATPI.EHZ. 2014-04-25T07:23:04.09 0.3 undecidable manual S 284 0.1007 117 -0.09 86
IV.ATFO.HHZ. 2014-04-25T07:23:03.09 0.3 undecidable manual S 157 0.0648 128 0.07 86
IV.PIEI.HHZ. 2014-04-25T07:23:02.48 0.1 undecidable manual P 0 0.1088 115 -0.02 114
IV.ATPI.EHZ. 2014-04-25T07:23:02.43 0.1 undecidable manual P 284 0.1007 117 0.09 114
IV.ATFO.HHZ. 2014-04-25T07:23:01.60 0.1 undecidable manual P 157 0.0648 128 -0.07 114
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.4 7.1E-5 3.58 AML other m 2014-04-25T07:23:03.82
IV.EL6.EHN. ML:1.4 7.9E-5 1.58 AML other m 2014-04-25T07:24:04.75
IV.PIEI.HHE. ML:0.3 2.325E-5 0.08 AML other m 2014-04-25T07:23:05.31
IV.PIEI.HHN. ML:-0.1 1.064E-5 0.2 AML other m 2014-04-25T07:23:05.09
IV.ATFO.HHZ. Md:1.2 10 END duration s
IV.PIEI.HHZ. Md:1.1 9 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