Earthquake with magnitude of Md 2.3 on date 04-07-1996 and time 13:00:36 (Italy) in region 1 km E Cittareale (RI)

A magnitude Md 2.3 earthquake occured in region: 1 km E Cittareale (RI), on

  • 04-07-1996 11:00:36 (UTC)
  • 04-07-1996 13:00:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6200, 13.1770 at 10 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 1 482 482
Amatrice RI 9 2657 3139
Accumoli RI 10 667 3806
Montereale AQ 12 2581 6387
Borbona RI 12 617 7004
Posta RI 13 694 7698
Capitignano AQ 15 665 8363
Cascia PG 17 3217 11580
Campotosto AQ 17 542 12122
Cagnano Amiterno AQ 18 1369 13491
Leonessa RI 19 2435 15926
Monteleone di Spoleto PG 19 599 16525
Arquata del Tronto AP 20 1178 17703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
44 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
87 Km W of Chieti (51815 inhabitants)
87 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
99 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
Bulletin
Rev1000
Md 2.3 1996-07-04
11:00:36
42.62 13.177 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 248419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-04 11:00:36 ± 0.491
Latitude 42.6200 ± 0.0262
Longitude 13.1770 ± 0.0453
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 248419

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) 4713.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00801
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 248419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:55:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1996-07-04T11:01:08.60 10.0 undecidable manual SG 349 0.888 0.43 0.5
--.ARV.Z. 1996-07-04T11:00:56.22 10.0 undecidable manual PG 349 0.888 1.54 0.4
--.ASS.Z. 1996-07-04T11:00:56.52 10.0 undecidable manual SG 319 0.5883 -1.2 0.3
--.MNS.Z. 1996-07-04T11:00:54.50 10.0 undecidable manual SG 237 0.4329 1.65 0.2
--.AQU.Z. 1996-07-04T11:00:48.60 10.0 undecidable manual SG 148 0.3108 -0.9 0.5
--.ASS.Z. 1996-07-04T11:00:47.50 10.0 undecidable manual PG 319 0.5883 -1.46 0.6
--.MNS.Z. 1996-07-04T11:00:46.80 10.0 positive manual PG 237 0.4329 -0.07 3.6
--.AQU.Z. 1996-07-04T11:00:43.96 10.0 undecidable manual PG 148 0.3108 0.06 1.8
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