Earthquake with magnitude of Md 3.2 on date 21-10-1996 and time 12:03:09 (Italy) in region 5 km NE Cittareale (RI)

A magnitude Md 3.2 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 21-10-1996 10:03:09 (UTC)
  • 21-10-1996 12:03:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.65, 13.2 at 5 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
Cittareale RI 5 482 482
Accumoli RI 6 667 1149
Amatrice RI 8 2657 3806
Montereale AQ 15 2581 6387
Arquata del Tronto AP 16 1178 7565
Borbona RI 17 617 8182
Posta RI 17 694 8876
Cascia PG 17 3217 12093
Capitignano AQ 17 665 12758
Norcia PG 18 4957 17715
Campotosto AQ 18 542 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
86 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
93 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
Rev 1000 Md 3.2
ML-VAX 2.6
1996-10-21
10:03:09
42.65 13.2 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 255169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-10-21 10:03:09 ± 0.18
Latitude 42.65 ± 0.01
Longitude 13.20 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 255169

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) 2464
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.03877
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 255169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:01:26

ML:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 255169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BR9.Z. 1996-10-21T10:04:17.24 10.0 undecidable manual PN 333 0.0388 1.63 0.2
--.CTI.Z. 1996-10-21T10:04:04.96 10.0 undecidable manual PN 342 0.0321 -0.36 1
--.LT9.Z. 1996-10-21T10:04:02.77 10.0 undecidable manual PN 126 0.0305 -0.17 1.1
--.FG2.Z. 1996-10-21T10:04:01.42 10.0 undecidable manual SN 119 0.0151 0.06 0.7
--.MGR.Z. 1996-10-21T10:04:00.00 10.0 undecidable manual PN 144 0.0276 1.45 0.3
--.SFI.Z. 1996-10-21T10:03:58.75 10.0 undecidable manual SN 322 0.0142 -0.39 0.6
--.MU9.Z. 1996-10-21T10:03:52.28 10.0 undecidable manual PN 137 0.0229 0.93 0.8
--.ZC9.Z. 1996-10-21T10:03:50.10 10.0 undecidable manual PN 317 0.021 1.55 0.3
--.BDI.Z. 1996-10-21T10:03:48.80 10.0 undecidable manual PN 307 0.0212 -0.62 1.1
--.FB9.Z. 1996-10-21T10:03:46.97 10.0 undecidable manual SN 343 0.0097 -0.11 0.7
--.SDI.Z. 1996-10-21T10:03:45.88 10.0 undecidable manual SG 154 0.0094 -0.14 0.7
--.RMP.Z. 1996-10-21T10:03:42.52 10.0 undecidable manual SG 203 0.0083 0.63 0.6
--.ARV.Z. 1996-10-21T10:03:39.18 10.0 undecidable manual SG 347 0.0078 -0.95 0.4
--.FG2.Z. 1996-10-21T10:03:39.90 10.0 undecidable manual PN 119 0.0151 0.45 1.5
--.SFI.Z. 1996-10-21T10:03:38.64 10.0 undecidable manual PN 322 0.0142 0.47 1.5
--.PGD.Z. 1996-10-21T10:03:38.69 10.0 undecidable manual PN 319 0.0146 0.02 1.8
--.RFI.Z. 1996-10-21T10:03:37.57 10.0 undecidable manual PN 156 0.0132 0.98 1
--.RSM.Z. 1996-10-21T10:03:35.92 10.0 undecidable manual PN 337 0.0124 0.56 1.5
--.PQ9.Z. 1996-10-21T10:03:32.50 10.0 undecidable manual SG 166 0.0058 -1.18 0.3
--.ASS.Z. 1996-10-21T10:03:30.26 10.0 undecidable manual SG 315 0.0051 -0.46 0.6
--.SDI.Z. 1996-10-21T10:03:29.66 10.0 undecidable manual PG 154 0.0094 -0.93 1.1
--.FB9.Z. 1996-10-21T10:03:29.95 10.0 undecidable manual PN 343 0.0097 -1.25 0.7
--.RMP.Z. 1996-10-21T10:03:28.54 10.0 undecidable manual PG 203 0.0083 0.33 1.7
--.MNS.Z. 1996-10-21T10:03:25.54 10.0 undecidable manual SG 235 0.0041 -1.83 0.1
--.ARV.Z. 1996-10-21T10:03:25.82 10.0 undecidable manual PG 347 0.0078 -1.37 0.6
--.PQ9.Z. 1996-10-21T10:03:22.14 10.0 undecidable manual PG 166 0.0058 -1.07 0.9
--.ASS.Z. 1996-10-21T10:03:21.42 10.0 positive manual PG 315 0.0051 -0.34 3.4
--.AQU.Z. 1996-10-21T10:03:21.36 10.0 undecidable manual SG 153 0.003 -1.21 0.3
--.MNS.Z. 1996-10-21T10:03:20.34 10.0 positive manual PG 235 0.0041 0.52 3.1
--.AQU.Z. 1996-10-21T10:03:16.30 10.0 undecidable manual PG 153 0.003 -0.75 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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