Earthquake with magnitude of Md 2.2 on date 05-02-1990 and time 04:59:30 (Italy) in region 4 km SW Montemonaco (AP)

A magnitude Md 2.2 earthquake occured in region: 4 km SW Montemonaco (AP), on

  • 05-02-1990 03:59:30 (UTC)
  • 05-02-1990 04:59:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8710, 13.2920 at 9 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
Montemonaco AP 4 604 604
Montegallo AP 5 523 1127
Montefortino FM 9 1178 2305
Arquata del Tronto AP 11 1178 3483
Castelsantangelo sul Nera MC 12 281 3764
Amandola FM 13 3629 7393
Palmiano AP 14 196 7589
Comunanza AP 14 3166 10755
Acquasanta Terme AP 15 2916 13671
Bolognola MC 15 142 13813
Ussita MC 15 444 14257
Roccafluvione AP 15 2010 16267
Venarotta AP 17 2066 18333
Visso MC 18 1107 19440
Norcia PG 18 4957 24397
Sarnano MC 18 3264 27661
Montefalcone Appennino FM 19 424 28085
Force AP 19 1354 29439
Smerillo FM 20 365 29804
Accumoli RI 20 667 30471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of Teramo (54892 inhabitants)
49 Km E of Foligno (57155 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
63 Km NE of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
81 Km NW of Montesilvano (53738 inhabitants)
85 Km S of Ancona (100861 inhabitants)
88 Km NW of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 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 1990-02-05
03:59:30
42.871 13.292 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 109529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-05 03:59:30 ± 0.241
Latitude 42.8710 ± 0.0198
Longitude 13.2920 ± 0.0261
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109529

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) 3058.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00607
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 109529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:41:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1990-02-05T03:59:54.60 10.0 undecidable manual SG 338 0.6771 0.28 0.4
--.MNS.Z. 1990-02-05T03:59:51.81 10.0 undecidable manual SG 222 0.6549 -1.49 0
--.ASS.Z. 1990-02-05T03:59:49.14 10.0 undecidable manual SG 292 0.4995 0.86 0.2
--.ARV.Z. 1990-02-05T03:59:44.55 10.0 undecidable manual PG 338 0.6771 0.81 0.5
--.MNS.Z. 1990-02-05T03:59:43.38 10.0 undecidable manual PG 222 0.6549 -0.08 1.2
--.CIO.Z. 1990-02-05T03:59:42.18 10.0 undecidable manual SG 341 0.333 -0.83 0.4
--.ASS.Z. 1990-02-05T03:59:41.67 10.0 undecidable manual PG 292 0.4995 1.11 0.3
--.ALP.Z. 1990-02-05T03:59:39.63 10.0 undecidable manual SG 114 0.2109 0.5 0.7
--.CIO.Z. 1990-02-05T03:59:36.86 10.0 undecidable manual PG 341 0.333 -0.66 1.7
--.ALP.Z. 1990-02-05T03:59:35.23 10.0 undecidable manual PG 114 0.2109 -0.05 3
--.RM8.Z. 1990-02-05T03:59:34.64 10.0 undecidable manual SG 323 0.0999 -0.5 0.7
--.RM8.Z. 1990-02-05T03:59:33.11 10.0 undecidable manual PG 323 0.0999 0.13 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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