Earthquake with magnitude of Md 2.2 on date 16-04-2001 and time 23:21:37 (UTC) in region 4 km S Cagnano Amiterno (AQ)

A magnitude Md 2.2 earthquake occured in region: 4 km S Cagnano Amiterno (AQ), on

  • 16-04-2001 23:21:37 (UTC)
  • 17-04-2001 01:21:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4260, 13.2160 at 3 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
Barete AQ 6 737 2106
Pizzoli AQ 7 4326 6432
Scoppito AQ 7 3727 10159
Antrodoco RI 11 2588 12747
Montereale AQ 11 2581 15328
Borbona RI 12 617 15945
Capitignano AQ 13 665 16610
Borgo Velino RI 13 972 17582
Micigliano RI 14 127 17709
Posta RI 15 694 18403
Castel Sant'Angelo RI 16 1308 19711
Tornimparte AQ 17 3187 22898
L'Aquila AQ 17 69753 92651
Lucoli AQ 18 1011 93662
Petrella Salto RI 19 1197 94859
Fiamignano RI 19 1413 96272
Campotosto AQ 19 542 96814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
85 Km NE of Roma (2864731 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
91 Km E of Viterbo (67173 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 2.2 2001-04-16
23:21:37
42.426 13.216 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 415879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-04-16 23:21:37 ± 0.426
Latitude 42.4260 ± 0.0231
Longitude 13.2160 ± 0.0443
Depth (km) 3 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 415879

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 4451.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 415879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:31:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2001-04-16T23:22:07.67 10.0 undecidable manual SG 346 0.8436 -0.58 0.2
--.ASS.Z. 2001-04-16T23:22:04.43 10.0 undecidable manual SG 327 0.7548 -0.8 0.1
--.ARV.Z. 2001-04-16T23:21:59.99 10.0 undecidable manual PG 349 1.0878 0.25 1.2
--.SNTG.Z. 2001-04-16T23:21:55.94 10.0 undecidable manual PG 346 0.8436 0.6 0.5
--.ASS.Z. 2001-04-16T23:21:53.66 10.0 undecidable manual PG 327 0.7548 0.06 1.8
--.NRCA.Z. 2001-04-16T23:21:53.82 10.0 undecidable manual SG 349 0.4107 0.13 0.8
--.NRCA.Z. 2001-04-16T23:21:46.74 10.0 undecidable manual PG 349 0.4107 -0.19 1.9
--.AQU.Z. 2001-04-16T23:21:43.77 10.0 undecidable manual SG 117 0.1554 0.01 0.8
--.AQU.Z. 2001-04-16T23:21:40.94 10.0 undecidable manual PG 117 0.1554 -0.26 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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