Earthquake with magnitude of Md 2.2 on date 13-12-1989 and time 09:14:51 (Italy) in region 2 km E Sellano (PG)

A magnitude Md 2.2 earthquake occured in region: 2 km E Sellano (PG), on

  • 13-12-1989 08:14:51 (UTC)
  • 13-12-1989 09:14:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 12.9480 at 10 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
Sellano PG 2 1079 1079
Cerreto di Spoleto PG 8 1075 2154
Preci PG 8 724 2878
Visso MC 13 1107 3985
Monte Cavallo MC 13 145 4130
Vallo di Nera PG 14 364 4494
Campello sul Clitunno PG 16 2442 6936
Norcia PG 16 4957 11893
Trevi PG 16 8469 20362
Castelsantangelo sul Nera MC 17 281 20643
Ussita MC 17 444 21087
Sant'Anatolia di Narco PG 19 564 21651
Poggiodomo PG 19 117 21768
Cascia PG 19 3217 24985
Pieve Torina MC 20 1458 26443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 2.2
ML-VAX 2.0
1989-12-13
08:14:51
42.884 12.948 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 105989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-12-13 08:14:51 ± 0.207
Latitude 42.8840 ± 0.0127
Longitude 12.9480 ± 0.0113
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 105989

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) 1684.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 105989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:38:44

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 105989
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
--.ARV.Z. 1989-12-13T08:15:14.18 10.0 undecidable manual SG 359 0.6105 0.69 0
--.ALP.Z. 1989-12-13T08:15:09.17 10.0 undecidable manual SG 102 0.4551 0.47 0.1
--.ARV.Z. 1989-12-13T08:15:04.17 10.0 positive manual PG 359 0.6105 -0.18 1.8
--.CM8.Z. 1989-12-13T08:15:04.94 10.0 undecidable manual SG 24 0.333 0.2 0.7
--.ASS.Z. 1989-12-13T08:15:02.64 10.0 undecidable manual SG 309 0.2775 -0.13 0.5
--.ALP.Z. 1989-12-13T08:15:01.52 10.0 undecidable manual PG 102 0.4551 -0.06 1.3
--.CM8.Z. 1989-12-13T08:14:59.60 10.0 undecidable manual PG 24 0.333 -0.23 1
--.RM8.Z. 1989-12-13T08:14:59.95 10.0 undecidable manual SG 69 0.1998 -0.34 0.4
--.ASS.Z. 1989-12-13T08:14:58.34 10.0 undecidable manual PG 309 0.2775 0.18 1.2
--.RM8.Z. 1989-12-13T08:14:56.71 10.0 positive manual PG 69 0.1998 -0.01 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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