Earthquake with magnitude of Md 2.5 on date 15-10-1999 and time 12:39:59 (Italy) in region 2 km E Micigliano (RI)

A magnitude Md 2.5 earthquake occured in region: 2 km E Micigliano (RI), on

  • 15-10-1999 10:39:59 (UTC)
  • 15-10-1999 12:39:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4470, 13.0740 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
Micigliano RI 2 127 127
Antrodoco RI 3 2588 2715
Borgo Velino RI 5 972 3687
Castel Sant'Angelo RI 7 1308 4995
Posta RI 9 694 5689
Borbona RI 9 617 6306
Cittaducale RI 12 6828 13134
Cagnano Amiterno AQ 13 1369 14503
Cantalice RI 14 2755 17258
Concerviano RI 15 291 17549
Leonessa RI 16 2435 19984
Poggio Bustone RI 17 2055 22039
Montereale AQ 17 2581 24620
Petrella Salto RI 17 1197 25817
Barete AQ 17 737 26554
Scoppito AQ 17 3727 30281
Rieti RI 18 47698 77979
Pizzoli AQ 18 4326 82305
Rivodutri RI 20 1253 83558

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
37 Km E of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
88 Km N of Velletri (53303 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
94 Km W of Pescara (121014 inhabitants)
98 Km NE of Pomezia (62966 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 2.5 1999-10-15
10:39:59
42.447 13.074 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 375649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-10-15 10:39:59 ± 0.242
Latitude 42.4470 ± 0.0102
Longitude 13.0740 ± 0.0194
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 375649

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) 1958.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00729
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 375649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:52:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 1999-10-15T10:40:27.63 10.0 undecidable manual SG 352 0.8103 -0.02 0.4
--.ASS.Z. 1999-10-15T10:40:23.68 10.0 undecidable manual SG 333 0.6882 0.04 0.5
--.SNTG.Z. 1999-10-15T10:40:15.47 10.0 undecidable manual PG 352 0.8103 -0.34 0.3
--.ASS.Z. 1999-10-15T10:40:14.00 10.0 undecidable manual PG 333 0.6882 0.51 0.2
--.NRCA.Z. 1999-10-15T10:40:14.00 10.0 undecidable manual SG 3 0.3885 0.03 0.6
--.MNS.Z. 1999-10-15T10:40:10.77 10.0 undecidable manual SG 257 0.2886 -0.3 0.2
--.NRCA.Z. 1999-10-15T10:40:07.91 10.0 positive manual PG 3 0.3885 0 2.9
--.MNS.Z. 1999-10-15T10:40:06.26 10.0 positive manual PG 257 0.2886 0.03 2.9
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