Earthquake with magnitude of Md 2.2 on date 05-03-1990 and time 16:55:54 (Italy) in region 5 km NE Trevi (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km NE Trevi (PG), on

  • 05-03-1990 15:55:54 (UTC)
  • 05-03-1990 16:55:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9150, 12.7770 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
Trevi PG 5 8469 8469
Foligno PG 8 57155 65624
Montefalco PG 10 5679 71303
Campello sul Clitunno PG 10 2442 73745
Spello PG 12 8645 82390
Sellano PG 13 1079 83469
Castel Ritaldi PG 13 3278 86747
Bevagna PG 14 5081 91828
Cerreto di Spoleto PG 16 1075 92903
Valtopina PG 16 1398 94301
Vallo di Nera PG 18 364 94665
Gualdo Cattaneo PG 18 6155 100820
Cannara PG 18 4305 105125
Giano dell'Umbria PG 19 3846 108971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of Foligno (57155 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
41 Km N of Terni (111501 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
81 Km W of Teramo (54892 inhabitants)
95 Km SE of Arezzo (99543 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 2.2 1990-03-05
15:55:54
42.915 12.777 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 111109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-05 15:55:54 ± 0.877
Latitude 42.9150 ± 0.0655
Longitude 12.7770 ± 0.0435
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 111109

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) 8093.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 245
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00534
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 111109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1990-03-05T15:56:14.00 10.0 undecidable manual SG 11 0.5883 -1.2 0
--.CIO.Z. 1990-03-05T15:56:09.72 10.0 undecidable manual SG 43 0.3885 1.23 0.1
--.RM8.Z. 1990-03-05T15:56:06.40 10.0 undecidable manual SG 82 0.3108 -0.25 0.8
--.CIO.Z. 1990-03-05T15:56:04.78 10.0 undecidable manual PG! 43 0.3885 2.35 0
--.ARV.Z. 1990-03-05T15:56:02.50 10.0 undecidable manual PG! 11 0.5883 -3.8 0
--.ASS.Z. 1990-03-05T15:56:01.89 10.0 undecidable manual SG 328 0.1665 0.26 0.8
--.RM8.Z. 1990-03-05T15:56:01.60 10.0 undecidable manual PG 82 0.3108 -0.11 2.1
--.ASS.Z. 1990-03-05T15:55:58.51 10.0 negative manual PG 328 0.1665 0.04 4.3
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