Earthquake with magnitude of ML 0.7 on date 10-04-2011 and time 01:32:41 (Italy) in region 4 km NE Cagnano Amiterno (AQ)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Cagnano Amiterno (AQ), on

  • 09-04-2011 23:32:41 (UTC)
  • 10-04-2011 01:32:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4890, 13.2430 at 9 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 4 1369 1369
Montereale AQ 4 2581 3950
Barete AQ 5 737 4687
Capitignano AQ 6 665 5352
Pizzoli AQ 7 4326 9678
Borbona RI 9 617 10295
Posta RI 13 694 10989
Campotosto AQ 13 542 11531
Scoppito AQ 13 3727 15258
Antrodoco RI 15 2588 17846
Micigliano RI 16 127 17973
Cittareale RI 16 482 18455
Amatrice RI 16 2657 21112
Borgo Velino RI 18 972 22084
L'Aquila AQ 20 69753 91837

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
78 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
98 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 1.3
ML 0.7
2011-04-09
23:32:41
42.489 13.243 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1194129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-09 23:32:41 ± 0.07
Latitude 42.4890 ± 0.0027
Longitude 13.2430 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1194129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 424.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
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) 0.15648
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1194129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:20:42

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1194129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:20:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHE. 2011-04-09T23:33:12.48 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHZ. 2011-04-09T23:32:48.24 0.1 undecidable manual Sg 26 17.3715 0.027 98
IV.RM32.EHZ. 2011-04-09T23:32:46.07 0.1 undecidable manual Sg 24 9.879 0.02 99
IV.SMA1.EHZ. 2011-04-09T23:32:45.28 0.1 undecidable manual Pg 26 17.3715 -0.073 97
IV.RM29.EHN. 2011-04-09T23:32:45.72 0.1 undecidable manual Sg 337 8.5803 -0.015 100
IV.RM32.EHZ. 2011-04-09T23:32:44.09 0.1 undecidable manual Pg 24 9.879 -0.01 99
IV.RM33.EHZ. 2011-04-09T23:32:44.69 0.1 undecidable manual Sg 313 3.1968 -0.037 100
IV.RM33.EHZ. 2011-04-09T23:32:43.39 0.1 undecidable manual Pg 313 3.1968 0.052 100
IV.RM29.EHN. 2011-04-09T23:32:43.95 0.1 undecidable manual Pg 337 8.5803 0.032 99
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