Earthquake with magnitude of ML 0.4 on date 29-03-2012 and time 03:54:02 (Italy) in region 4 km NE Valle Castellana (TE)

A magnitude ML 0.4 earthquake occured in region: 4 km NE Valle Castellana (TE), on

  • 29-03-2012 01:54:02 (UTC)
  • 29-03-2012 03:54:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7690, 13.5140 at 10 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
Valle Castellana TE 4 977 977
Acquasanta Terme AP 9 2916 3893
Rocca Santa Maria TE 9 537 4430
Ascoli Piceno AP 11 49407 53837
Roccafluvione AP 11 2010 55847
Folignano AP 11 9241 65088
Civitella del Tronto TE 12 5116 70204
Venarotta AP 13 2066 72270
Campli TE 15 7209 79479
Palmiano AP 15 196 79675
Maltignano AP 16 2401 82076
Cortino TE 16 656 82732
Montegallo AP 17 523 83255
Torricella Sicura TE 17 2641 85896
Arquata del Tronto AP 18 1178 87074
Sant'Egidio alla Vibrata TE 18 9811 96885
Appignano del Tronto AP 19 1785 98670
Castel di Lama AP 20 8634 107304
Teramo TE 20 54892 162196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
67 Km NW of Pescara (121014 inhabitants)
69 Km E of Foligno (57155 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
75 Km E of Terni (111501 inhabitants)
94 Km S of Ancona (100861 inhabitants)
99 Km E of Perugia (166134 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 1.5
ML 0.4
2012-03-29
01:54:02
42.769 13.514 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1353909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-29 01:54:02 ± 0.14
Latitude 42.7690 ± 0.0063
Longitude 13.5140 ± 0.0074
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1353909

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 895
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 234
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30037
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1353909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:02:08

Md:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 1353909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:02:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2012-03-29T01:54:14.75 0.3 undecidable manual Sg 282 33.3444 0.224 71
IV.FSSB.HHE. 2012-03-29T01:54:11.14 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHZ. 2012-03-29T01:54:11.03 0.3 undecidable manual Sg 224 21.1677 -0.034 75
.TERO.HHE. 2012-03-29T01:54:10.14 0.1 undecidable manual Sg 156 17.7711 0.124 99
IV.NRCA.HHZ. 2012-03-29T01:54:09.52 0.1 undecidable manual Pg 282 33.3444 -0.105 97
IV.SMA1.EHZ. 2012-03-29T01:54:07.54 0.1 undecidable manual Pg 224 21.1677 -0.086 99
.TERO.HHE. 2012-03-29T01:54:06.95 0.1 undecidable manual Pg 156 17.7711 -0.071 100
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