Earthquake with magnitude of Md 4.5 on date 15-08-1998 and time 07:18:09 (Italy) in region 1 km S Micigliano (RI)

A magnitude Md 4.5 earthquake occured in region: 1 km S Micigliano (RI), on

  • 15-08-1998 05:18:09 (UTC)
  • 15-08-1998 07:18:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.45, 13.06 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
Micigliano RI 1 127 127
Antrodoco RI 4 2588 2715
Borgo Velino RI 4 972 3687
Castel Sant'Angelo RI 6 1308 4995
Posta RI 9 694 5689
Borbona RI 10 617 6306
Cittaducale RI 11 6828 13134
Cantalice RI 13 2755 15889
Cagnano Amiterno AQ 14 1369 17258
Concerviano RI 15 291 17549
Leonessa RI 15 2435 19984
Poggio Bustone RI 15 2055 22039
Rieti RI 17 47698 69737
Petrella Salto RI 17 1197 70934
Montereale AQ 18 2581 73515
Rivodutri RI 18 1253 74768
Scoppito AQ 18 3727 78495
Barete AQ 18 737 79232
Belmonte in Sabina RI 20 636 79868
Pizzoli AQ 20 4326 84194

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of L'Aquila (69753 inhabitants)
36 Km E of Terni (111501 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
58 Km W of Teramo (54892 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
88 Km N of Velletri (53303 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
92 Km W of Chieti (51815 inhabitants)
95 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 4.5
ML-MEDNET 4.6
1998-08-15
05:18:09
42.45 13.06 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 348289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-08-15 05:18:09 ± 0.129
Latitude 42.45 ± 0.01
Longitude 13.06 ± 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 348289

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) 2032
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.04436
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 46
Magnitudes information

Md:4.5

Field Value
Value 4.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 348289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:26:14

ML:4.6

Field Value
Value 4.6
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 348289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:37:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SOI.Z. 1998-08-15T05:19:26.13 10.0 undecidable manual PN 151 0.0444 1.61 0.2
--.MO9.Z. 1998-08-15T05:19:25.33 10.0 undecidable manual PN 155 0.0439 1.57 0.3
--.SC9.Z. 1998-08-15T05:19:21.88 10.0 undecidable manual PN 153 0.0418 1.22 0.5
--.BR9.Z. 1998-08-15T05:19:19.68 10.0 undecidable manual PN 335 0.0401 1.62 0.3
--.GIB.Z. 1998-08-15T05:19:19.57 10.0 undecidable manual PN 170 0.0406 0.77 0.8
--.GRI.Z. 1998-08-15T05:19:18.35 10.0 undecidable manual PN 143 0.0398 0.72 0.8
--.LCI.Z. 1998-08-15T05:19:16.95 10.0 undecidable manual PN 117 0.039 0.58 0.9
--.CKI.Z. 1998-08-15T05:19:11.74 10.0 undecidable manual PN 301 0.0359 0.13 1.2
--.TDS.Z. 1998-08-15T05:19:08.53 10.0 undecidable manual PN 137 0.0334 0.6 1
--.SAL.Z. 1998-08-15T05:19:08.30 10.0 undecidable manual PN 331 0.0328 1.14 0.6
--.BOB.Z. 1998-08-15T05:19:06.65 10.0 undecidable manual PN 313 0.0314 1.85 0.2
--.VVI.Z. 1998-08-15T05:19:06.30 10.0 undecidable manual PN 353 0.0321 0.56 1.1
--.ORI.Z. 1998-08-15T05:19:06.34 10.0 undecidable manual PN 132 0.0314 1.56 0.3
--.BRT.Z. 1998-08-15T05:19:04.16 10.0 undecidable manual PN 116 0.0308 0.19 1.3
--.LT9.Z. 1998-08-15T05:19:03.22 10.0 undecidable manual PN 122 0.0302 0.24 1.3
--.MGR.Z. 1998-08-15T05:18:57.18 10.0 undecidable manual PN 140 0.0267 -0.46 1.3
--.EB9.Z. 1998-08-15T05:18:55.95 10.0 undecidable manual PN 316 0.0248 1.33 0.5
--.SL9.Z. 1998-08-15T05:18:55.41 10.0 undecidable manual PN 136 0.0253 -0.11 1.5
--.RFI.Z. 1998-08-15T05:18:52.85 10.0 undecidable manual SN 148 0.012 -0.75 0.5
--.ZC9.Z. 1998-08-15T05:18:51.13 10.0 undecidable manual PN 322 0.0219 0.92 1
--.SGO.Z. 1998-08-15T05:18:50.98 10.0 undecidable manual PN 137 0.0227 -0.55 1.3
--.BDI.Z. 1998-08-15T05:18:50.10 10.0 undecidable manual PN 313 0.0217 0.15 1.6
--.FG4.Z. 1998-08-15T05:18:48.32 10.0 undecidable manual PN 125 0.0202 0.54 1.4
--.FG3.Z. 1998-08-15T05:18:48.16 10.0 undecidable manual PN 108 0.0204 0.2 1.6
--.PII.Z. 1998-08-15T05:18:47.36 10.0 undecidable manual PN 305 0.0202 -0.31 1.6
--.ARV.Z. 1998-08-15T05:18:46.95 10.0 undecidable manual SG 355 0.0095 0.19 0.7
--.CI9.Z. 1998-08-15T05:18:45.48 10.0 undecidable manual PN 136 0.0194 -0.99 1
--.FG5.Z. 1998-08-15T05:18:45.70 10.0 undecidable manual PN 124 0.0181 0.59 1.4
--.MRB1.Z. 1998-08-15T05:18:43.36 10.0 undecidable manual PN 132 0.0174 -0.14 1.6
--.SFI.Z. 1998-08-15T05:18:40.43 10.0 undecidable manual PN 329 0.0153 0.21 1.6
--.FG2.Z. 1998-08-15T05:18:40.29 10.0 undecidable manual PN 111 0.0151 0.33 1.6
--.GRFL.Z. 1998-08-15T05:18:39.24 10.0 negative manual PN 295 0.0151 -0.66 2.6
--.VTB1.Z. 1998-08-15T05:18:39.46 10.0 undecidable manual PN 136 0.0155 -1 1
--.RSM.Z. 1998-08-15T05:18:39.00 10.0 undecidable manual PN 343 0.0139 0.93 1
--.CSNT.Z. 1998-08-15T05:18:39.34 10.0 negative manual PN 309 0.0148 -0.15 3.3
--.MAB1.Z. 1998-08-15T05:18:38.33 10.0 undecidable manual PN 137 0.0143 -0.43 1.5
--.SMB1.Z. 1998-08-15T05:18:38.93 10.0 undecidable manual PN 130 0.0146 -0.15 1.6
--.CRE.Z. 1998-08-15T05:18:36.34 10.0 undecidable manual PN 326 0.0128 -0.06 1.7
--.ASS.Z. 1998-08-15T05:18:35.50 10.0 undecidable manual SG 334 0.0062 0.66 0.5
--.RFI.Z. 1998-08-15T05:18:34.18 10.0 undecidable manual PN 148 0.012 -0.99 1
--.RMP.Z. 1998-08-15T05:18:33.77 10.0 undecidable manual SG 202 0.0062 -1.15 0.3
--.FB9.Z. 1998-08-15T05:18:33.38 10.0 undecidable manual PN 350 0.0113 -0.78 1.2
--.ARV.Z. 1998-08-15T05:18:29.70 10.0 undecidable manual PG 355 0.0095 -1.52 0.5
--.NRCA.Z. 1998-08-15T05:18:24.27 10.0 undecidable manual SG 6 0.0035 -0.82 0.5
--.SDI.Z. 1998-08-15T05:18:24.00 10.0 undecidable manual PG! 142 0.0083 -4.77 0
--.ASS.Z. 1998-08-15T05:18:23.12 10.0 undecidable manual PG 334 0.0062 -1.22 0.7
--.RDP.Z. 1998-08-15T05:18:21.14 10.0 undecidable manual PG! 200 0.0066 -4.08 0
--.RMP.Z. 1998-08-15T05:18:20.36 10.0 undecidable manual PG! 202 0.0062 -4.03 0
--.MNS.Z. 1998-08-15T05:18:20.79 10.0 undecidable manual SG 258 0.0025 -0.32 0.6
--.AQU.Z. 1998-08-15T05:18:19.12 10.0 undecidable manual SG 110 0.0023 -1.4 0.2
--.NRCA.Z. 1998-08-15T05:18:18.30 10.0 positive manual PG 6 0.0035 -0.68 2.6
--.MNS.Z. 1998-08-15T05:18:14.80 10.0 negative manual PG 258 0.0025 -1.61 0.8
--.AQU.Z. 1998-08-15T05:18:14.48 10.0 negative manual PG 110 0.0023 -1.59 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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