Earthquake with magnitude of Md 2.4 on date 17-01-1989 and time 01:47:29 (Italy) in region 2 km NE Cerreto di Spoleto (PG)

A magnitude Md 2.4 earthquake occured in region: 2 km NE Cerreto di Spoleto (PG), on

  • 17-01-1989 00:47:29 (UTC)
  • 17-01-1989 01:47:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 12.9250 at 8 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
Cerreto di Spoleto PG 2 1075 1075
Sellano PG 6 1079 2154
Vallo di Nera PG 9 364 2518
Preci PG 10 724 3242
Campello sul Clitunno PG 12 2442 5684
Sant'Anatolia di Narco PG 14 564 6248
Poggiodomo PG 14 117 6365
Norcia PG 15 4957 11322
Cascia PG 15 3217 14539
Trevi PG 15 8469 23008
Scheggino PG 16 461 23469
Visso MC 17 1107 24576
Monte Cavallo MC 19 145 24721
Spoleto PG 19 38218 62939
Castelsantangelo sul Nera MC 20 281 63220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
67 Km W of Teramo (54892 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 2.4
ML-VAX 1.5
1989-01-17
00:47:29
42.838 12.925 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 85449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-17 00:47:29 ± 0.22
Latitude 42.8380 ± 0.0084
Longitude 12.9250 ± 0.0135
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 85449

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) 1446.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01174
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 85449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:20:12

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 85449
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
--.SDI.Z. 1989-01-17T00:47:53.61 10.0 undecidable manual PN 149 1.2987 0.24 0.9
--.ARV.Z. 1989-01-17T00:47:52.80 10.0 undecidable manual SG 1 0.6549 0.22 0.6
--.MNS.Z. 1989-01-17T00:47:47.32 10.0 undecidable manual SG 201 0.4884 0.27 0.5
--.ALP.Z. 1989-01-17T00:47:47.30 10.0 undecidable manual SG 97 0.4662 0.68 0.3
--.AM8.Z. 1989-01-17T00:47:46.70 10.0 undecidable manual PG 34 0.8658 0.26 1.2
--.CM8.Z. 1989-01-17T00:47:44.00 10.0 undecidable manual SG 24 0.3885 0.08 1.1
--.ARV.Z. 1989-01-17T00:47:42.23 10.0 undecidable manual PG 1 0.6549 -0.43 1.1
--.ASS.Z. 1989-01-17T00:47:41.63 10.0 undecidable manual SG 318 0.2997 0.66 0.3
--.SS8.Z. 1989-01-17T00:47:40.00 10.0 undecidable manual SG 53 0.2775 -0.22 0.9
--.ALP.Z. 1989-01-17T00:47:39.30 10.0 undecidable manual PG 97 0.4662 0.09 1.8
--.MNS.Z. 1989-01-17T00:47:38.54 10.0 undecidable manual PG 201 0.4884 -0.92 0.3
--.CM8.Z. 1989-01-17T00:47:37.20 10.0 undecidable manual PG 24 0.3885 -0.46 2.3
--.ASS.Z. 1989-01-17T00:47:36.52 10.0 undecidable manual PG 318 0.2997 0.57 0.9
--.SS8.Z. 1989-01-17T00:47:35.60 10.0 undecidable manual PG 53 0.2775 0.08 1.9
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