Earthquake with magnitude of Md 3.0 on date 30-08-1990 and time 22:08:34 (Italy) in region 3 km N Accumoli (RI)

A magnitude Md 3.0 earthquake occured in region: 3 km N Accumoli (RI), on

  • 30-08-1990 20:08:34 (UTC)
  • 30-08-1990 22:08:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.724, 13.239 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
Accumoli RI 3 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 13 482 4984
Norcia PG 14 4957 9941
Acquasanta Terme AP 15 2916 12857
Montegallo AP 15 523 13380
Cascia PG 18 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
99 Km E of Viterbo (67173 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 3.0
ML-VAX 2.3
1990-08-30
20:08:34
42.724 13.239 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 125959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-08-30 20:08:34 ± 0.18
Latitude 42.7240 ± 0.0098
Longitude 13.2390 ± 0.0187
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 125959

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) 1876.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.03489
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 125959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:57:11

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 125959
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 Takeoff_angle Residual Weight
--.FVI.Z. 1990-08-30T20:09:36.15 10.0 undecidable manual PN 355 0.0349 1.84 0.1
--.RDP.Z. 1990-08-30T20:09:09.63 10.0 undecidable manual SG 202 0.0093 -0.81 0.4
--.CP9.Z. 1990-08-30T20:09:06.48 10.0 undecidable manual SG 194 0.0079 0.91 0.4
--.PGD.Z. 1990-08-30T20:09:04.50 10.0 undecidable manual PN 316 0.0143 1.59 0.2
--.DUI.Z. 1990-08-30T20:09:03.00 10.0 undecidable manual PN! 139 0.0125 2.8 0
--.ARV.Z. 1990-08-30T20:09:03.91 10.0 undecidable manual SG 344 0.0072 1.05 0.3
--.RSM.Z. 1990-08-30T20:09:01.49 10.0 undecidable manual PN! 335 0.012 2.16 0
--.CRE.Z. 1990-08-30T20:09:00.50 10.0 undecidable manual PN 314 0.0117 1.66 0.2
--.RDP.Z. 1990-08-30T20:08:55.21 10.0 undecidable manual PG 202 0.0093 0.09 1.5
--.ASS.Z. 1990-08-30T20:08:54.63 10.0 undecidable manual SG 308 0.0049 0.03 0.6
--.RMP.Z. 1990-08-30T20:08:54.30 10.0 undecidable manual PG 203 0.0089 0 1.5
--.SSO.Z. 1990-08-30T20:08:54.40 10.0 undecidable manual SG 13 0.0052 -1.41 0.2
--.MNS.Z. 1990-08-30T20:08:52.86 10.0 undecidable manual SG 230 0.0048 -1.3 0.2
--.CP9.Z. 1990-08-30T20:08:52.28 10.0 undecidable manual PG 194 0.0079 -0.02 1.6
--.AOI.Z. 1990-08-30T20:08:51.90 10.0 undecidable manual PG 17 0.0078 0.01 3.2
--.CIO.Z. 1990-08-30T20:08:51.60 10.0 undecidable manual SG 351 0.0042 -0.72 0.7
--.ARV.Z. 1990-08-30T20:08:50.72 10.0 undecidable manual PG 344 0.0072 -0.02 1.6
--.AQU.Z. 1990-08-30T20:08:49.22 10.0 undecidable manual SG 162 0.0035 -0.07 0.6
--.ASS.Z. 1990-08-30T20:08:45.66 10.0 undecidable manual PG 308 0.0049 -0.32 1.5
--.SSO.Z. 1990-08-30T20:08:45.90 10.0 undecidable manual PG 13 0.0052 -0.77 2.1
--.MNS.Z. 1990-08-30T20:08:44.85 10.0 undecidable manual PG 230 0.0048 -0.88 0.9
--.CIO.Z. 1990-08-30T20:08:43.90 10.0 undecidable manual PG 351 0.0042 -0.76 2.1
--.ALP.Z. 1990-08-30T20:08:43.60 10.0 undecidable manual SG 77 0.0022 -0.28 0.9
--.AQU.Z. 1990-08-30T20:08:42.58 10.0 undecidable manual PG 162 0.0035 -0.33 1.5
--.ALP.Z. 1990-08-30T20:08:40.30 10.0 undecidable manual PG 77 0.0022 0.51 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download