Earthquake with magnitude of Md 0.7 on date 25-04-2014 and time 15:02:59 (UTC) in region 4 km SE Pietralunga (PG)

A magnitude Md 0.7 earthquake occured in region: 4 km SE Pietralunga (PG), on

  • 25-04-2014 15:02:59 (UTC)
  • 25-04-2014 17:02:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4160, 12.4660 at 5 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.

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
Gubbio PG 12 32216 34327
Montone PG 13 1680 36007
Cantiano PU 15 2245 38252
Apecchio PU 16 1882 40134
Umbertide PG 16 16681 56815
Scheggia e Pascelupo PG 17 1393 58208
CittĂ  di Castello PG 19 39913 98121
Piobbico PU 20 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
47 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
96 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
Md 0.7 2014-04-25
15:02:59
43.4158 12.4657 5 2015-09-21
09:36:10
Bollettino Sismico Italiano INGV 17254821
Reviewed
Rev100
Md 0.7 2014-04-25
15:02:59
43.4138 12.4212 7 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6293461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-25 15:02:59 ± 0.09
Latitude 43.4158 ± 0.0018
Longitude 12.4657 ± 0.0025
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17254821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 237
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.09083
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

Md:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude Md
Reference to an origin 6293461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-25 15:15:49

Md:0.7

Field Value
Value 0.7
Uncertainty 0.6
Num. used stations 3
Type of magnitude Md
Reference to an origin 17254821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-02-26 15:07:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2014-04-25T15:03:03.45 0.3 undecidable manual S 123 10.0788 116 -0.04 74
IV.ATVO.HHZ. 2014-04-25T15:03:02.31 0.3 undecidable manual S 232 6.0939 129 0.03 75
IV.ATPI.EHZ. 2014-04-25T15:03:02.38 0.3 undecidable manual S 307 6.3936 127 0 75
IV.ATVO.HHZ. 2014-04-25T15:03:01.10 0.1 undecidable manual P 232 6.0939 129 -0.04 99
IV.ATPI.EHZ. 2014-04-25T15:03:01.19 0.1 negative manual P 307 6.3936 127 -0.01 100
IV.ATFO.HHZ. 2014-04-25T15:03:01.90 0.3 undecidable manual P 123 10.0788 116 0.06 74
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