Earthquake with magnitude of ML 0.9 on date 21-07-2010 and time 12:34:36 (Italy) in region 5 km W Cagnano Amiterno (AQ)

A magnitude ML 0.9 earthquake occured in region: 5 km W Cagnano Amiterno (AQ), on

  • 21-07-2010 10:34:36 (UTC)
  • 21-07-2010 12:34:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4570, 13.1590 at 17 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
Cagnano Amiterno AQ 6 1369 1369
Borbona RI 7 617 1986
Antrodoco RI 8 2588 4574
Micigliano RI 9 127 4701
Posta RI 9 694 5395
Borgo Velino RI 10 972 6367
Barete AQ 10 737 7104
Montereale AQ 10 2581 9685
Pizzoli AQ 12 4326 14011
Scoppito AQ 12 3727 17738
Castel Sant'Angelo RI 13 1308 19046
Capitignano AQ 14 665 19711
Cittareale RI 18 482 20193
Cittaducale RI 19 6828 27021
Petrella Salto RI 19 1197 28218
Leonessa RI 20 2435 30653

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
44 Km E of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
87 Km W of Pescara (121014 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
96 Km SE 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 1.6
ML 0.9
2010-07-21
10:34:36
42.457 13.159 17 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1086329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-21 10:34:36 ± 0.08
Latitude 42.4570 ± 0.0018
Longitude 13.1590 ± 0.0024
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1086329

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 188
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 282.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19965
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1086329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:59:10

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1086329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:59:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.FINB.HHE. 2010-07-21T10:34:56.79 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHN. 2010-07-21T10:34:51.61 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2010-07-21T10:34:45.59 10.0 undecidable manual Sg 0 0 0
IV.CAMP.HHZ. 2010-07-21T10:34:45.46 0.1 undecidable manual Sg 67 22.1556 0.021 100
IV.FIAM.HHE. 2010-07-21T10:34:45.21 0.1 undecidable manual Sg 189 21.2676 -0.013 100
IV.LNSS.HHZ. 2010-07-21T10:34:44.65 0.3 undecidable manual Sg 329 18.87 -0.017 75
IV.FIAM.HHE. 2010-07-21T10:34:41.60 0.3 undecidable manual Pg 189 21.2676 0.024 75
IV.MMN.HHN. 2010-07-21T10:34:41.61 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2010-07-21T10:34:41.28 0.3 undecidable manual Pg 329 18.87 0.025 75
IV.CAMP.HHZ. 2010-07-21T10:34:41.65 0.3 undecidable manual Pg 67 22.1556 -0.054 74
IV.STR3.BHZ. 2010-07-21T10:34:39.61 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2010-07-21T10:34:38.41 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHE. 2010-07-21T10:34:16.59 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