Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 18-03-2014 and time 02:32:36 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 18-03-2014 01:32:36 (UTC)
  • 18-03-2014 02:32:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4090, 12.4700 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 5 2111 2111
Gubbio PG 11 32216 34327
Montone PG 13 1680 36007
Cantiano PU 15 2245 38252
Scheggia e Pascelupo PG 16 1393 39645
Umbertide PG 16 16681 56326
Apecchio PU 17 1882 58208
Città di Castello PG 19 39913 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
95 Km N of Terni (111501 inhabitants)
97 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 0.1 2014-03-18
01:32:36		 43.4088 12.47 8 2015-09-21
09:35:11		 Bollettino Sismico Italiano INGV 5806191
Reviewed
Rev100 		ML 0.1 2014-03-18
01:32:36		 43.4088 12.47 8 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5780461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-18 01:32:36 ± 0.3
Latitude 43.4088 ± 0.0090
Longitude 12.4700 ± 0.0210
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5806191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1678
Semi-minor axis of confidence ellipse (meter) 979
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21764
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 5780461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-03-18 01:54:05

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 5806191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-03-20 09:39:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2014-03-18T01:32:51.45 3.0 undecidable manual P -0.07 0
IV.SRES.HHZ. 2014-03-18T01:32:48.49 3.0 negative manual P -2.66 0
IV.NARO.HHZ. 2014-03-18T01:32:45.39 0.6 undecidable manual S 22 24.1536 108 -0.4 45
IV.PIEI.HHZ. 2014-03-18T01:32:43.11 0.6 undecidable manual S 20 14.9739 118 0.23 47
IV.NARO.HHZ. 2014-03-18T01:32:41.88 1.0 undecidable manual P 22 24.1536 108 -0.18 23
IV.ATVO.HHZ. 2014-03-18T01:32:40.35 0.6 undecidable manual S 240 5.8941 144 -0.07 50
IV.ATPI.EHZ. 2014-03-18T01:32:40.70 0.6 undecidable manual S 310 7.1928 138 0 50
IV.PIEI.HHZ. 2014-03-18T01:32:40.52 0.1 undecidable manual P 20 14.9739 118 0.14 96
IV.ATPI.EHZ. 2014-03-18T01:32:39.17 0.1 undecidable manual P 310 7.1928 138 0.04 99
IV.ATVO.HHZ. 2014-03-18T01:32:38.94 0.1 positive manual P 240 5.8941 144 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.1 0.000019384999999999998 0.5 AML other m 2014-03-18T01:32:40.81
IV.ATPI.EHE. ML:0.2 0.00002335 0.42 AML other m 2014-03-18T01:32:41.07
IV.PIEI.HHE. ML:0.2 0.0000143 0.34 AML other m 2014-03-18T01:32:43.73
IV.PIEI.HHN. ML:0.0 0.00000904 1 AML other m 2014-03-18T01:32:43.63
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