Earthquake with magnitude of Md 2.3 on date 16-09-1990 and time 00:39:24 (Italy) in region SW Percile (RM)

A magnitude Md 2.3 earthquake occured in region: SW Percile (RM), on

  • 15-09-1990 22:39:24 (UTC)
  • 16-09-1990 00:39:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0930, 12.9080 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
Percile RM 0 255 255
Licenza RM 2 1011 1266
Roccagiovine RM 5 263 1529
Orvinio RI 5 405 1934
Monteflavio RM 7 1348 3282
Cineto Romano RM 7 601 3883
Mandela RM 7 917 4800
Vallinfreda RM 7 283 5083
Vivaro Romano RM 8 182 5265
Riofreddo RM 8 781 6046
Vicovaro RM 9 4019 10065
Pozzaglia Sabina RI 9 360 10425
Montorio Romano RM 10 1984 12409
Scandriglia RI 10 3108 15517
Turania RI 10 241 15758
Roviano RM 10 1351 17109
San Polo dei Cavalieri RM 10 2992 20101
Saracinesco RM 11 185 20286
Arsoli RM 11 1586 21872
Moricone RM 11 2650 24522
Marcellina RM 11 7280 31802
Anticoli Corrado RM 12 915 32717
Oricola AQ 12 1244 33961
Sambuci RM 12 925 34886
Palombara Sabina RM 12 13269 48155
Poggio Moiano RI 13 2751 50906
Nerola RM 13 1926 52832
Collalto Sabino RI 13 442 53274
Paganico Sabino RI 13 172 53446
Castel Madama RM 13 7399 60845
Ascrea RI 14 234 61079
Colle di Tora RI 14 372 61451
Collegiove RI 14 213 61664
Marano Equo RM 14 779 62443
Castel di Tora RI 15 288 62731
Carsoli AQ 15 5396 68127
Montelibretti RM 15 5323 73450
Ciciliano RM 15 1336 74786
Nespolo RI 15 246 75032
Rocca di Botte AQ 15 856 75888
Agosta RM 16 1765 77653
Monteleone Sabino RI 16 1224 78877
Pereto AQ 17 682 79559
Poggio Nativo RI 17 2622 82181
Tivoli RM 17 56533 138714
Sant'Angelo Romano RM 17 5018 143732
Cerreto Laziale RM 18 1118 144850
Frasso Sabino RI 18 743 145593
Cervara di Roma RM 18 455 146048
Rocca Canterano RM 18 196 146244
Guidonia Montecelio RM 18 88673 234917
Camerata Nuova RM 19 447 235364
Toffia RI 19 1058 236422
Poggio San Lorenzo RI 19 589 237011
Varco Sabino RI 19 187 237198
Marcetelli RI 19 89 237287
Torricella in Sabina RI 19 1342 238629
Gerano RM 19 1263 239892
San Gregorio da Sassola RM 20 1619 241511
Fara in Sabina RI 20 13742 255253
Casaprota RI 20 744 255997
Canterano RM 20 351 256348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Tivoli (56533 inhabitants)
18 Km NE of Guidonia Montecelio (88673 inhabitants)
41 Km NE of Roma (2864731 inhabitants)
46 Km N of Velletri (53303 inhabitants)
50 Km SW of L'Aquila (69753 inhabitants)
56 Km SE of Terni (111501 inhabitants)
58 Km NE of Pomezia (62966 inhabitants)
59 Km NE of Aprilia (73446 inhabitants)
66 Km NE of Fiumicino (78395 inhabitants)
69 Km N of Latina (125985 inhabitants)
75 Km NE of Anzio (54211 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
91 Km SW of Teramo (54892 inhabitants)
92 Km E of Civitavecchia (52991 inhabitants)
98 Km S of Foligno (57155 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
ML-VAX 1.5
1990-09-15
22:39:24
42.093 12.908 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 127339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-09-15 22:39:24 ± 0.104
Latitude 42.0930 ± 0.0050
Longitude 12.9080 ± 0.0105
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 127339

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) 1028.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 127339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:58:26

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 127339
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(km) Takeoff_angle Residual Weight
--.ASS.Z. 1990-09-15T22:39:59.50 10.0 undecidable manual SG 349 0.9768 0.45 0.2
--.SDI.Z. 1990-09-15T22:39:52.00 10.0 undecidable manual SG 119 0.7659 -0.21 0.5
--.ASS.Z. 1990-09-15T22:39:44.00 10.0 undecidable manual PG 349 0.9768 -0.45 0.6
--.AQU.Z. 1990-09-15T22:39:41.50 10.0 undecidable manual SG 54 0.444 -0.3 0.6
--.SDI.Z. 1990-09-15T22:39:40.21 10.0 undecidable manual PG 119 0.7659 -0.3 1.2
--.RDP.Z. 1990-09-15T22:39:39.16 10.0 undecidable manual SG 203 0.3552 0.52 0.3
--.MNS.Z. 1990-09-15T22:39:38.23 10.0 undecidable manual SG 330 0.333 0.65 0.2
--.RMP.Z. 1990-09-15T22:39:36.50 10.0 undecidable manual SG 208 0.3108 -0.5 0.3
--.AQU.Z. 1990-09-15T22:39:34.81 10.0 undecidable manual PG 54 0.444 0.32 1.4
--.CP9.Z. 1990-09-15T22:39:33.81 10.0 undecidable manual SG 171 0.2331 0.12 0.8
--.RDP.Z. 1990-09-15T22:39:32.52 10.0 undecidable manual PG 203 0.3552 -0.15 1.9
--.RMP.Z. 1990-09-15T22:39:31.45 10.0 undecidable manual PG 208 0.3108 -0.27 1.6
--.MNS.Z. 1990-09-15T22:39:31.88 10.0 positive manual PG 330 0.333 -0.17 3.7
--.CP9.Z. 1990-09-15T22:39:30.35 10.0 undecidable manual PG 171 0.2331 0.54 0.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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