Earthquake with magnitude of Md 2.6 on date 03-02-2002 and time 09:52:02 (Italy) in region 7 km NW Posta (RI)

A magnitude Md 2.6 earthquake occured in region: 7 km NW Posta (RI), on

  • 03-02-2002 08:52:02 (UTC)
  • 03-02-2002 09:52:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.58, 13.06 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
Posta RI 7 694 694
Leonessa RI 8 2435 3129
Cittareale RI 9 482 3611
Borbona RI 10 617 4228
Monteleone di Spoleto PG 12 599 4827
Micigliano RI 15 127 4954
Cascia PG 15 3217 8171
Montereale AQ 17 2581 10752
Poggio Bustone RI 17 2055 12807
Poggiodomo PG 18 117 12924
Polino TR 18 233 13157
Cantalice RI 18 2755 15912
Rivodutri RI 19 1253 17165
Antrodoco RI 19 2588 19753
Amatrice RI 19 2657 22410
Cagnano Amiterno AQ 19 1369 23779
Accumoli RI 20 667 24446
Morro Reatino RI 20 373 24819
Borgo Velino RI 20 972 25791

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
38 Km NW of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
53 Km W of Teramo (54892 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
94 Km W of Chieti (51815 inhabitants)
95 Km W of Pescara (121014 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 2.6 2002-02-03
08:52:02
42.59 13.06 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 435789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-02-03 08:52:02 ± 0.17
Latitude 42.59 ± 0.01
Longitude 13.06 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 435789

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) 1597.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00607
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:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 435789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:51:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 2002-02-03T08:52:26.90 10.0 undecidable manual SG 352 0.0061 -0.22 0.7
--.ASS.Z. 2002-02-03T08:52:22.80 10.0 undecidable manual SG 327 0.005 0.07 0.8
--.SNTG.Z. 2002-02-03T08:52:15.92 10.0 undecidable manual PG 352 0.0061 -0.42 1.3
--.ASS.Z. 2002-02-03T08:52:15.20 10.0 undecidable manual PG 327 0.005 0.92 0.5
--.MNS.Z. 2002-02-03T08:52:15.46 10.0 undecidable manual SG 234 0.0031 -0.26 0.8
--.AQU.Z. 2002-02-03T08:52:14.97 10.0 undecidable manual SG 132 0.003 -0.61 0.5
--.NRCA.Z. 2002-02-03T08:52:12.96 10.0 undecidable manual SG 8 0.0022 0.27 0.8
--.AQU.Z. 2002-02-03T08:52:10.77 10.0 undecidable manual PG 132 0.003 0.62 1.2
--.MNS.Z. 2002-02-03T08:52:09.97 10.0 undecidable manual PG 234 0.0031 -0.26 2.1
--.NRCA.Z. 2002-02-03T08:52:07.91 10.0 undecidable manual PG 8 0.0022 -0.57 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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