Earthquake with magnitude of Md 3.2 on date 20-10-1996 and time 03:56:19 (Italy) in region 4 km NW Montereale (AQ)

A magnitude Md 3.2 earthquake occured in region: 4 km NW Montereale (AQ), on

  • 20-10-1996 01:56:19 (UTC)
  • 20-10-1996 03:56:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.55, 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
Montereale AQ 5 2581 2581
Borbona RI 7 617 3198
Cittareale RI 8 482 3680
Capitignano AQ 9 665 4345
Posta RI 9 694 5039
Cagnano Amiterno AQ 10 1369 6408
Amatrice RI 12 2657 9065
Barete AQ 13 737 9802
Campotosto AQ 14 542 10344
Pizzoli AQ 15 4326 14670
Micigliano RI 16 127 14797
Accumoli RI 17 667 15464
Antrodoco RI 18 2588 18052
Leonessa RI 20 2435 20487
Borgo Velino RI 20 972 21459

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
82 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
94 Km NE of Roma (2864731 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 2.3
1996-10-20
01:56:19
42.55 13.2 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 254889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-10-20 01:56:19 ± 0.198
Latitude 42.55 ± 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 254889

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) 2224.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.02218
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 254889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:01:11

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 254889
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
--.MU9.Z. 1996-10-20T01:57:01.13 10.0 undecidable manual PN 135 0.0222 0.73 0.7
--.CA9.Z. 1996-10-20T01:56:58.93 10.0 undecidable manual PN 134 0.021 0.25 1.1
--.FG5.Z. 1996-10-20T01:56:54.65 10.0 undecidable manual PN 128 0.0179 0.85 0.7
--.SDI.Z. 1996-10-20T01:56:53.86 10.0 undecidable manual SG 151 0.0085 0.78 0.4
--.PSB1.Z. 1996-10-20T01:56:50.97 10.0 undecidable manual PN 137 0.016 -0.01 1.4
--.PGD.Z. 1996-10-20T01:56:50.51 10.0 undecidable manual PN 321 0.0154 0.57 1.1
--.RMP.Z. 1996-10-20T01:56:50.00 10.0 undecidable manual SG 206 0.0074 1.01 0.3
--.FG2.Z. 1996-10-20T01:56:50.00 10.0 undecidable manual PN 116 0.0147 1.15 0.5
--.RSM.Z. 1996-10-20T01:56:47.49 10.0 undecidable manual PN 338 0.0133 0.65 1.1
--.RFI.Z. 1996-10-20T01:56:45.59 10.0 undecidable manual PN 154 0.0124 0.22 1.5
--.FB9.Z. 1996-10-20T01:56:42.47 10.0 undecidable manual PN 345 0.0106 -0.26 1.6
--.ASS.Z. 1996-10-20T01:56:42.85 10.0 undecidable manual SG 322 0.0058 -0.61 0.5
--.ARV.Z. 1996-10-20T01:56:38.66 10.0 undecidable manual PG 348 0.0087 -0.58 1.4
--.PQ9.Z. 1996-10-20T01:56:37.73 10.0 undecidable manual SG! 164 0.0049 -2.32 0
--.RMP.Z. 1996-10-20T01:56:37.57 10.0 undecidable manual PG 206 0.0074 0.98 0.8
--.SDI.Z. 1996-10-20T01:56:37.34 10.0 undecidable manual PG 151 0.0085 -1.61 0.3
--.MNS.Z. 1996-10-20T01:56:35.42 10.0 undecidable manual SG 247 0.0037 -0.41 0.6
--.ASS.Z. 1996-10-20T01:56:32.81 10.0 undecidable manual PG 322 0.0058 -0.58 1.4
--.PQ9.Z. 1996-10-20T01:56:29.80 10.0 undecidable manual PG 164 0.0049 -1.62 0.2
--.MNS.Z. 1996-10-20T01:56:28.88 10.0 positive manual PG 247 0.0037 -0.11 3.6
--.AQU.Z. 1996-10-20T01:56:27.74 10.0 undecidable manual SG 143 0.0022 -1.46 0.2
--.AQU.Z. 1996-10-20T01:56:24.71 10.0 undecidable manual PG 143 0.0022 -0.45 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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