Earthquake with magnitude of Md 2.0 on date 05-02-1990 and time 05:27:19 (Italy) in region 2 km N Preci (PG)

A magnitude Md 2.0 earthquake occured in region: 2 km N Preci (PG), on

  • 05-02-1990 04:27:19 (UTC)
  • 05-02-1990 05:27:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.0370 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
Preci PG 3 724 724
Visso MC 5 1107 1831
Sellano PG 9 1079 2910
Castelsantangelo sul Nera MC 10 281 3191
Ussita MC 10 444 3635
Monte Cavallo MC 11 145 3780
Norcia PG 13 4957 8737
Cerreto di Spoleto PG 13 1075 9812
Fiordimonte MC 16 202 10014
Pieve Torina MC 16 1458 11472
Fiastra MC 18 559 12031
Acquacanina MC 18 121 12152
Pievebovigliana MC 18 866 13018
Bolognola MC 19 142 13160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
93 Km NE 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 2.0
ML-VAX 1.9
1990-02-05
04:27:19
42.902 13.037 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 109549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-05 04:27:19 ± 0.198
Latitude 42.9020 ± 0.0112
Longitude 13.0370 ± 0.0214
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109549

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) 2145.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00518
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 109549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:41:53

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 109549
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
--.MNS.Z. 1990-02-05T04:27:39.47 10.0 undecidable manual SG 207 0.5772 -0.27 0.3
--.ALP.Z. 1990-02-05T04:27:34.94 10.0 undecidable manual SG 107 0.3996 0.72 0.1
--.MNS.Z. 1990-02-05T04:27:31.11 10.0 undecidable manual PG 207 0.5772 0.04 1
--.CIO.Z. 1990-02-05T04:27:31.33 10.0 undecidable manual SG 15 0.2997 0.46 0.3
--.ALP.Z. 1990-02-05T04:27:27.92 10.0 undecidable manual PG 107 0.3996 0.04 1.2
--.CIO.Z. 1990-02-05T04:27:25.98 10.0 undecidable manual PG 15 0.2997 0.03 2.6
--.RM8.Z. 1990-02-05T04:27:24.74 10.0 undecidable manual SG 67 0.1332 -0.79 0
--.RM8.Z. 1990-02-05T04:27:22.72 10.0 undecidable manual PG 67 0.1332 -0.14 2.4
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