Earthquake with magnitude of Md 2.2 on date 07-02-1988 and time 19:58:35 (Italy) in region 7 km NE Fiamignano (RI)

A magnitude Md 2.2 earthquake occured in region: 7 km NE Fiamignano (RI), on

  • 07-02-1988 18:58:35 (UTC)
  • 07-02-1988 19:58:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.31, 13.18 at 5 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
Fiamignano RI 7 1413 1413
Scoppito AQ 9 3727 5140
Petrella Salto RI 10 1197 6337
Tornimparte AQ 10 3187 9524
Pescorocchiano RI 12 2075 11599
Lucoli AQ 13 1011 12610
Borgorose RI 14 4591 17201
Antrodoco RI 14 2588 19789
Borgo Velino RI 15 972 20761
Marcetelli RI 15 89 20850
Castel Sant'Angelo RI 16 1308 22158
Varco Sabino RI 16 187 22345
Concerviano RI 16 291 22636
Pizzoli AQ 17 4326 26962
Cagnano Amiterno AQ 17 1369 28331
Barete AQ 17 737 29068
L'Aquila AQ 18 69753 98821
Longone Sabino RI 19 597 99418
Micigliano RI 19 127 99545
Collegiove RI 20 213 99758
Nespolo RI 20 246 100004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of L'Aquila (69753 inhabitants)
50 Km NE of Tivoli (56533 inhabitants)
51 Km NE of Guidonia Montecelio (88673 inhabitants)
52 Km SE of Terni (111501 inhabitants)
58 Km SW of Teramo (54892 inhabitants)
74 Km NE of Roma (2864731 inhabitants)
77 Km NE of Velletri (53303 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
86 Km W of Pescara (121014 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
91 Km NE of Pomezia (62966 inhabitants)
91 Km NE of Aprilia (73446 inhabitants)
97 Km N of Latina (125985 inhabitants)
99 Km NE of Fiumicino (78395 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
Rev 1000 Md 2.2 1988-02-07
18:58:35
42.31 13.18 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 62629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-07 18:58:35 ± 0.03
Latitude 42.31 ± 0.00
Longitude 13.18 ± 0.00
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62629

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) 476.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.0068
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 62629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1988-02-07T18:58:51.00 10.0 undecidable manual PG 142 0.0068 -0.01 0.8
--.MNS.Z. 1988-02-07T18:58:49.84 10.0 undecidable manual SG 281 0.0034 -0.05 0.4
--.MNS.Z. 1988-02-07T18:58:43.70 10.0 negative manual PG 281 0.0034 0.01 2.5
--.AQU.Z. 1988-02-07T18:58:41.72 10.0 undecidable manual SG 76 0.0015 -0.12 0.3
--.AQU.Z. 1988-02-07T18:58:39.10 10.0 undecidable manual PG 76 0.0015 0.06 1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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