Earthquake with magnitude of ML 0.8 on date 25-03-2012 and time 04:01:28 (UTC) in region 4 km SE Preci (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km SE Preci (PG), on

  • 25-03-2012 04:01:28 (UTC)
  • 25-03-2012 06:01:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.0670 at 11 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
Preci PG 4 724 724
Norcia PG 7 4957 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 9 1107 7069
Ussita MC 12 444 7513
Sellano PG 12 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Cascia PG 16 3217 12884
Monte Cavallo MC 17 145 13029
Poggiodomo PG 19 117 13146
Vallo di Nera PG 19 364 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
62 Km E of Perugia (166134 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 1.7
ML 0.8
2012-03-25
04:01:28
42.853 13.067 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1352409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-25 04:01:28 ± 0.15
Latitude 42.8530 ± 0.0099
Longitude 13.0670 ± 0.0184
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1352409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1755
Semi-minor axis of confidence ellipse (meter) 533
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
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:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1352409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:59:57

Md:1.7

Field Value
Value 1.7
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 1352409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:59:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHE. 2012-03-25T04:01:40.03 0.1 undecidable manual Sg 138 33.0447 0.128 94
IV.MIDA.HHZ. 2012-03-25T04:01:37.30 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHE. 2012-03-25T04:01:36.89 0.3 undecidable manual Sg 5 20.3685 0.364 69
IV.MIDA.HHZ. 2012-03-25T04:01:36.39 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2012-03-25T04:01:36.99 0.1 undecidable manual Sg 322 21.3675 0.207 95
IV.RNI2.HHE. 2012-03-25T04:01:36.63 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHE. 2012-03-25T04:01:35.05 0.3 undecidable manual Pg 138 33.0447 -0.063 70
IV.CESI.HHE. 2012-03-25T04:01:33.34 0.3 undecidable manual Pg 322 21.3675 0.028 73
IV.NRCA.HHZ. 2012-03-25T04:01:32.71 0.6 undecidable manual Sg 120 4.4955 0.08 49
IV.FDMO.HHE. 2012-03-25T04:01:32.74 0.1 undecidable manual Pg 5 20.3685 -0.423 89
IV.NRCA.HHZ. 2012-03-25T04:01:30.89 0.1 undecidable manual Pg 120 4.4955 -0.025 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download