Earthquake with magnitude of Md 3.0 on date 06-08-1993 and time 10:12:33 (Italy) in region 2 km E Cascia (PG)

A magnitude Md 3.0 earthquake occured in region: 2 km E Cascia (PG), on

  • 06-08-1993 08:12:33 (UTC)
  • 06-08-1993 10:12:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.72, 13.04 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
Cascia PG 2 3217 3217
Poggiodomo PG 9 117 3334
Norcia PG 9 4957 8291
Monteleone di Spoleto PG 10 599 8890
Cittareale RI 15 482 9372
Cerreto di Spoleto PG 15 1075 10447
Vallo di Nera PG 16 364 10811
Sant'Anatolia di Narco PG 17 564 11375
Scheggino PG 17 461 11836
Accumoli RI 17 667 12503
Preci PG 18 724 13227
Leonessa RI 19 2435 15662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
94 Km W of Montesilvano (53738 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 2.3
1993-08-06
08:12:33
42.72 13.04 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 193349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-06 08:12:33 ± 0.185
Latitude 42.72 ± 0.01
Longitude 13.04 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 193349

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) 1819.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01352
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 193349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:01:40

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 193349
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
--.RSM.Z. 1993-08-06T08:13:14.00 10.0 undecidable manual SN! 340 0.0115 -1.46 0
--.SFI.Z. 1993-08-06T08:13:01.51 10.0 undecidable manual PN 324 0.0132 1.4 0.1
--.PGD.Z. 1993-08-06T08:13:01.43 10.0 undecidable manual PN 320 0.0135 0.85 0.4
--.ARV.Z. 1993-08-06T08:13:00.26 10.0 undecidable manual SG 354 0.007 -0.85 0.2
--.RSM.Z. 1993-08-06T08:12:57.80 10.0 undecidable manual PN 340 0.0115 0.23 0.9
--.SSO.Z. 1993-08-06T08:12:57.60 10.0 undecidable manual SG 25 0.0057 1.16 0.2
--.AQU.Z. 1993-08-06T08:12:50.67 10.0 undecidable manual SG 143 0.004 0.19 0.5
--.MNS.Z. 1993-08-06T08:12:49.13 10.0 undecidable manual SG 218 0.0038 -0.5 0.4
--.ASS.Z. 1993-08-06T08:12:49.58 10.0 undecidable manual SG 320 0.004 -0.72 0.3
--.ARV.Z. 1993-08-06T08:12:48.87 10.0 undecidable manual PG 354 0.007 -0.41 1.1
--.ALP.Z. 1993-08-06T08:12:47.50 10.0 undecidable manual SG 80 0.0035 -0.78 0.4
--.SSO.Z. 1993-08-06T08:12:47.40 10.0 undecidable manual PG 25 0.0057 0.81 0.6
--.AQU.Z. 1993-08-06T08:12:43.30 10.0 undecidable manual PG 143 0.004 -0.11 1.4
--.ASS.Z. 1993-08-06T08:12:42.49 10.0 positive manual PG 320 0.004 -0.55 1.9
--.RMF.Z. 1993-08-06T08:12:42.20 10.0 undecidable manual SG 27 0.0023 -1.28 0.1
--.MNS.Z. 1993-08-06T08:12:42.47 10.0 positive manual PG 218 0.0038 -0.18 2.7
--.ALP.Z. 1993-08-06T08:12:41.90 10.0 undecidable manual PG 80 0.0035 0.03 2.9
--.RMF.Z. 1993-08-06T08:12:39.10 10.0 undecidable manual PG 27 0.0023 0 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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