Earthquake with magnitude of Md 3.0 on date 04-02-1994 and time 08:36:42 (Italy) in region 3 km W Micigliano (RI)

A magnitude Md 3.0 earthquake occured in region: 3 km W Micigliano (RI), on

  • 04-02-1994 07:36:42 (UTC)
  • 04-02-1994 08:36:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.46, 13.02 at 7 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
Micigliano RI 3 127 127
Borgo Velino RI 7 972 1099
Antrodoco RI 7 2588 3687
Castel Sant'Angelo RI 7 1308 4995
Cantalice RI 9 2755 7750
Posta RI 10 694 8444
Cittaducale RI 10 6828 15272
Borbona RI 11 617 15889
Poggio Bustone RI 12 2055 17944
Leonessa RI 12 2435 20379
Rieti RI 14 47698 68077
Rivodutri RI 15 1253 69330
Concerviano RI 15 291 69621
Morro Reatino RI 17 373 69994
Cagnano Amiterno AQ 17 1369 71363
Belmonte in Sabina RI 19 636 71999
Petrella Salto RI 19 1197 73196
Labro RI 19 374 73570
Polino TR 20 233 73803
Montereale AQ 20 2581 76384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
60 Km W of Teramo (54892 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
88 Km N of Velletri (53303 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km W of Chieti (51815 inhabitants)
98 Km NE of Pomezia (62966 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 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
Bulletin
Rev1000
Md 3.0
ML-VAX 2.1
1994-02-04
07:36:42
42.46 13.02 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 204809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-02-04 07:36:42 ± 0.177
Latitude 42.46 ± 0.01
Longitude 13.02 ± 0.01
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 204809

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) 1259.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01255
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 204809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:12:47

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 204809
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 Takeoff_angle Residual Weight
--.ARV.Z. 1994-02-04T07:37:19.20 10.0 undecidable manual SG 356 0.0093 0.74 0.1
--.SDI.Z. 1994-02-04T07:37:15.72 10.0 undecidable manual SG 141 0.0086 0.17 0.5
--.CRE.Z. 1994-02-04T07:37:09.20 10.0 undecidable manual PN 326 0.0125 0.88 0.2
--.RDP.Z. 1994-02-04T07:37:08.00 10.0 undecidable manual SG 197 0.0066 -0.62 0.3
--.RMP.Z. 1994-02-04T07:37:07.50 10.0 undecidable manual SG 199 0.0062 0.38 0.5
--.ASS.Z. 1994-02-04T07:37:06.15 10.0 undecidable manual SG 335 0.0059 0.08 0.7
--.ARV.Z. 1994-02-04T07:37:02.33 10.0 undecidable manual PG 356 0.0093 -0.79 0.3
--.SDI.Z. 1994-02-04T07:37:01.18 10.0 negative manual PG 141 0.0086 -0.37 2.1
--.RMP.Z. 1994-02-04T07:36:57.00 10.0 undecidable manual PG 199 0.0062 0.32 1.3
--.RDP.Z. 1994-02-04T07:36:57.50 10.0 undecidable manual PG 197 0.0066 -0.04 1.7
--.AQU.Z. 1994-02-04T07:36:55.00 10.0 undecidable manual SG 110 0.0027 0.72 0.3
--.ASS.Z. 1994-02-04T07:36:55.88 10.0 positive manual PG 335 0.0059 -0.19 3.1
--.MNS.Z. 1994-02-04T07:36:52.95 10.0 undecidable manual SG 252 0.0023 0.21 0.6
--.AQU.Z. 1994-02-04T07:36:49.14 10.0 undecidable manual PG 110 0.0027 -0.12 1.6
--.MNS.Z. 1994-02-04T07:36:48.27 10.0 undecidable manual PG 252 0.0023 -0.1 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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