Earthquake with magnitude of Md 2.2 on date 01-02-1990 and time 22:43:40 (Italy) in region 3 km E Montefortino (FM)

A magnitude Md 2.2 earthquake occured in region: 3 km E Montefortino (FM), on

  • 01-02-1990 21:43:40 (UTC)
  • 01-02-1990 22:43:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9330, 13.3720 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
Montefortino FM 3 1178 1178
Comunanza AP 5 3166 4344
Montemonaco AP 5 604 4948
Amandola FM 6 3629 8577
Palmiano AP 8 196 8773
Montefalcone Appennino FM 10 424 9197
Smerillo FM 10 365 9562
Force AP 10 1354 10916
Montegallo AP 11 523 11439
Venarotta AP 11 2066 13505
Roccafluvione AP 12 2010 15515
Monte San Martino MC 12 765 16280
Sarnano MC 13 3264 19544
Bolognola MC 14 142 19686
Santa Vittoria in Matenano FM 14 1330 21016
Penna San Giovanni MC 15 1108 22124
Gualdo MC 15 815 22939
Rotella AP 16 906 23845
Montelparo FM 16 778 24623
Monteleone di Fermo FM 18 395 25018
Montedinove AP 18 488 25506
Castelsantangelo sul Nera MC 18 281 25787
Acquasanta Terme AP 18 2916 28703
Arquata del Tronto AP 19 1178 29881
Sant'Angelo in Pontano MC 19 1436 31317
Ascoli Piceno AP 19 49407 80724
Ussita MC 19 444 81168
Servigliano FM 19 2336 83504
Acquacanina MC 19 121 83625
San Ginesio MC 20 3498 87123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of Teramo (54892 inhabitants)
54 Km E of Foligno (57155 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
72 Km NE of Terni (111501 inhabitants)
77 Km S of Ancona (100861 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
82 Km E of Perugia (166134 inhabitants)
86 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 1990-02-01
21:43:40
42.933 13.372 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 109209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-01 21:43:40 ± 0.239
Latitude 42.9330 ± 0.0175
Longitude 13.3720 ± 0.0232
Depth (km) 10 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109209

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) 2712.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01133
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 109209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:41:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1990-02-01T21:44:05.54 10.0 undecidable manual SG 222 0.7437 -0.58 0.3
--.SDI.Z. 1990-02-01T21:44:04.75 10.0 undecidable manual PN 164 1.2543 1.16 0.1
--.ARV.Z. 1990-02-01T21:44:04.12 10.0 undecidable manual SG 331 0.6327 1.26 0.1
--.ASS.Z. 1990-02-01T21:43:59.30 10.0 undecidable manual SG 283 0.5439 -0.48 0.5
--.MNS.Z. 1990-02-01T21:43:54.79 10.0 undecidable manual PG 222 0.7437 -0.38 1
--.ARV.Z. 1990-02-01T21:43:53.44 10.0 undecidable manual PG 331 0.6327 0.15 1.3
--.CIO.Z. 1990-02-01T21:43:51.54 10.0 undecidable manual SG 327 0.3108 -0.53 0.7
--.ASS.Z. 1990-02-01T21:43:51.63 10.0 undecidable manual PG 283 0.5439 0.27 1.4
--.ALP.Z. 1990-02-01T21:43:48.92 10.0 undecidable manual SG 136 0.2109 0.09 1
--.CIO.Z. 1990-02-01T21:43:46.30 10.0 undecidable manual PG 327 0.3108 -1.03 0.4
--.RM8.Z. 1990-02-01T21:43:46.52 10.0 undecidable manual SG 279 0.1221 0.46 0.7
--.ALP.Z. 1990-02-01T21:43:44.74 10.0 undecidable manual PG 136 0.2109 -0.45 2.4
--.RM8.Z. 1990-02-01T21:43:43.63 10.0 undecidable manual PG 279 0.1221 0.05 3.2
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