Earthquake with magnitude of ML 0.4 on date 16-08-2011 and time 05:47:01 (Italy) in region 4 km W Montereale (AQ)

A magnitude ML 0.4 earthquake occured in region: 4 km W Montereale (AQ), on

  • 16-08-2011 03:47:01 (UTC)
  • 16-08-2011 05:47:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5120, 13.2000 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
Montereale AQ 4 2581 2581
Borbona RI 6 617 3198
Cagnano Amiterno AQ 6 1369 4567
Capitignano AQ 8 665 5232
Posta RI 9 694 5926
Barete AQ 10 737 6663
Pizzoli AQ 12 4326 10989
Cittareale RI 12 482 11471
Micigliano RI 14 127 11598
Antrodoco RI 14 2588 14186
Campotosto AQ 15 542 14728
Amatrice RI 15 2657 17385
Scoppito AQ 16 3727 21112
Borgo Velino RI 16 972 22084
Castel Sant'Angelo RI 19 1308 23392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
45 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
94 Km SE of Perugia (166134 inhabitants)
98 Km NE of Velletri (53303 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 1.4
ML 0.4
2011-08-16
03:47:01
42.512 13.2 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1272759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-16 03:47:01 ± 0.17
Latitude 42.5120 ± 0.0108
Longitude 13.2000 ± 0.0049
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 1272759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1184
Semi-minor axis of confidence ellipse (meter) 156
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 1264.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1272759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:08:10

Md:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1272759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:08:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHN. 2011-08-16T03:47:22.59 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2011-08-16T03:47:14.22 0.3 undecidable manual Sg 349 36.3414 0.065 72
IV.CAMP.HHZ. 2011-08-16T03:47:08.94 0.3 undecidable manual Sg 81 17.2716 -0.03 75
IV.NRCA.HHE. 2011-08-16T03:47:08.87 0.3 undecidable manual Pg 349 36.3414 -0.114 71
IV.LNSS.HHZ. 2011-08-16T03:47:08.70 0.3 undecidable manual Sg 308 16.4724 -0.033 75
IV.CAMP.HHZ. 2011-08-16T03:47:06.03 0.1 undecidable manual Pg 81 17.2716 0.039 100
IV.LNSS.HHZ. 2011-08-16T03:47:05.91 0.3 undecidable manual Pg 308 16.4724 0.056 75
NI.AGOR.HHN. 2011-08-16T03:46:52.31 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHN. 2011-08-16T03:46:39.47 10.0 undecidable manual Pg 0 0 0
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