Earthquake with magnitude of Md 3.1 on date 25-06-1989 and time 08:18:20 (Italy) in region 7 km W Norcia (PG)

A magnitude Md 3.1 earthquake occured in region: 7 km W Norcia (PG), on

  • 25-06-1989 06:18:20 (UTC)
  • 25-06-1989 08:18:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.79, 13 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
Norcia PG 7 4957 4957
Cerreto di Spoleto PG 8 1075 6032
Cascia PG 8 3217 9249
Preci PG 10 724 9973
Poggiodomo PG 10 117 10090
Vallo di Nera PG 12 364 10454
Sellano PG 13 1079 11533
Sant'Anatolia di Narco PG 15 564 12097
Monteleone di Spoleto PG 16 599 12696
Scheggino PG 17 461 13157
Castelsantangelo sul Nera MC 17 281 13438
Visso MC 17 1107 14545
Campello sul Clitunno PG 19 2442 16987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
61 Km SE of Perugia (166134 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
99 Km W of Montesilvano (53738 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 3.1
ML-VAX 2.6
1989-06-25
06:18:20
42.79 13 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 93879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-06-25 06:18:20 ± 0.126
Latitude 42.79 ± 0.01
Longitude 13.00 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 93879

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) 1343.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.03416
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 93879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:27:57

ML:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 93879
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
--.CTI.Z. 1989-06-25T06:19:54.29 10.0 undecidable manual SN 343 0.0305 1.31 0.1
--.BDI.Z. 1989-06-25T06:19:24.35 10.0 undecidable manual SN 306 0.0194 0.73 0.3
--.FVI.Z. 1989-06-25T06:19:21.00 10.0 undecidable manual PN 357 0.0342 1.51 0.1
--.RBL.Z. 1989-06-25T06:19:18.71 10.0 undecidable manual PN 5 0.0329 1.06 0.3
--.CTI.Z. 1989-06-25T06:19:14.00 10.0 undecidable manual PN 343 0.0305 0.13 0.9
--.VOY.Z. 1989-06-25T06:19:13.60 10.0 undecidable manual PN 10 0.0296 1.02 0.4
--.TRI.Z. 1989-06-25T06:19:08.50 10.0 undecidable manual PN 10 0.0266 0.5 0.8
--.RSM.Z. 1989-06-25T06:19:01.45 10.0 undecidable manual SN 340 0.0108 0.52 0.6
--.SDI.Z. 1989-06-25T06:19:01.50 10.0 undecidable manual SN 150 0.0111 -0.19 0.7
--.CRE.Z. 1989-06-25T06:18:59.50 10.0 undecidable manual SN 317 0.0101 0.4 0.6
--.BDI.Z. 1989-06-25T06:18:57.60 10.0 undecidable manual PN 306 0.0194 0.14 1.2
--.RDP.Z. 1989-06-25T06:18:57.50 10.0 undecidable manual SG 191 0.0095 0.32 0.7
--.RMP.Z. 1989-06-25T06:18:55.73 10.0 undecidable manual SG 192 0.009 0.14 0.7
--.AOI.Z. 1989-06-25T06:18:52.43 10.0 undecidable manual SG 29 0.0079 1.09 0.4
--.AM8.Z. 1989-06-25T06:18:52.43 10.0 undecidable manual SG 29 0.0079 1.09 0.3
--.AZI.Z. 1989-06-25T06:18:51.50 10.0 undecidable manual SG 157 0.0078 0.38 0.6
--.PGD.Z. 1989-06-25T06:18:48.00 10.0 undecidable manual PN 319 0.0128 1.11 0.6
--.SFI.Z. 1989-06-25T06:18:46.43 10.0 undecidable manual PN 323 0.0125 0.03 1.6
--.SDI.Z. 1989-06-25T06:18:45.37 10.0 undecidable manual PN 150 0.0111 1.11 0.6
--.ARV.Z. 1989-06-25T06:18:45.11 10.0 undecidable manual SG 356 0.0063 -0.92 0.4
--.CRE.Z. 1989-06-25T06:18:43.00 10.0 undecidable manual PN 317 0.0101 0.24 1.7
--.RSM.Z. 1989-06-25T06:18:43.75 10.0 undecidable manual PN 340 0.0108 -0.07 1.8
--.AQU.Z. 1989-06-25T06:18:40.77 10.0 undecidable manual SG 145 0.0047 0.52 0.6
--.RDP.Z. 1989-06-25T06:18:40.39 10.0 undecidable manual PG 191 0.0095 -1.26 0.5
--.RMP.Z. 1989-06-25T06:18:40.52 10.0 undecidable manual PG 192 0.009 -0.22 1.7
--.MNS.Z. 1989-06-25T06:18:38.00 10.0 undecidable manual SG 210 0.0042 -0.45 0.9
--.AZI.Z. 1989-06-25T06:18:38.00 10.0 undecidable manual PG 157 0.0078 -0.16 1.7
--.AM8.Z. 1989-06-25T06:18:37.90 10.0 undecidable manual PG 29 0.0079 -0.38 1.6
--.AOI.Z. 1989-06-25T06:18:37.91 10.0 undecidable manual PG 29 0.0079 -0.38 0
--.ALP.Z. 1989-06-25T06:18:36.91 10.0 undecidable manual SG 91 0.0037 0.42 0.9
--.CM8.Z. 1989-06-25T06:18:35.80 10.0 undecidable manual SG 14 0.0037 -1.46 0.1
--.ASS.Z. 1989-06-25T06:18:35.70 10.0 undecidable manual SG 316 0.0033 0.8 0.4
--.CIO.Z. 1989-06-25T06:18:35.70 10.0 undecidable manual SG 14 0.0037 -1.46 0.2
--.ARV.Z. 1989-06-25T06:18:34.18 10.0 positive manual PG 356 0.0063 -1.04 1.4
--.MC8.Z. 1989-06-25T06:18:33.50 10.0 undecidable manual PG 30 0.0053 0.53 1.4
--.SSO.Z. 1989-06-25T06:18:33.52 10.0 undecidable manual PG 30 0.0053 0.55 1.4
--.AQU.Z. 1989-06-25T06:18:31.99 10.0 undecidable manual PG 145 0.0047 0.11 1.8
--.MNS.Z. 1989-06-25T06:18:30.20 10.0 positive manual PG 210 0.0042 -0.64 2.5
--.ALP.Z. 1989-06-25T06:18:29.65 10.0 positive manual PG 91 0.0037 -0.06 3.6
--.ASS.Z. 1989-06-25T06:18:28.28 10.0 undecidable manual PG 316 0.0033 -0.51 1.4
--.CIO.Z. 1989-06-25T06:18:28.90 10.0 positive manual PG 14 0.0037 -0.84 2
--.CM8.Z. 1989-06-25T06:18:28.90 10.0 positive manual PG 14 0.0037 -0.84 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download