Earthquake with magnitude of Md 2.2 on date 24-03-1994 and time 04:48:45 (Italy) in region 7 km E Cerreto di Spoleto (PG)

A magnitude Md 2.2 earthquake occured in region: 7 km E Cerreto di Spoleto (PG), on

  • 24-03-1994 03:48:45 (UTC)
  • 24-03-1994 04:48:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.82, 13 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
Cerreto di Spoleto PG 7 1075 1075
Preci PG 7 724 1799
Norcia PG 8 4957 6756
Sellano PG 10 1079 7835
Cascia PG 12 3217 11052
Vallo di Nera PG 13 364 11416
Poggiodomo PG 13 117 11533
Visso MC 14 1107 12640
Castelsantangelo sul Nera MC 15 281 12921
Sant'Anatolia di Narco PG 17 564 13485
Ussita MC 18 444 13929
Campello sul Clitunno PG 18 2442 16371
Scheggino PG 18 461 16832
Monte Cavallo MC 19 145 16977
Monteleone di Spoleto PG 19 599 17576

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
59 Km SE of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
100 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
Rev 1000 Md 2.2
ML-VAX 1.7
1994-03-24
03:48:45
42.82 13 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 206859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-03-24 03:48:45 ± 0.332
Latitude 42.82 ± 0.02
Longitude 13.00 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 206859

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) 3564.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00607
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 206859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:14:51

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 206859
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. 1994-03-24T03:49:08.98 10.0 undecidable manual SG 356 0.0061 0.28 0.6
--.AQU.Z. 1994-03-24T03:49:05.00 10.0 undecidable manual SG 147 0.0049 0.27 0.7
--.MNS.Z. 1994-03-24T03:49:02.87 10.0 undecidable manual SG 208 0.0045 -0.06 0.7
--.ASS.Z. 1994-03-24T03:48:59.75 10.0 undecidable manual SG 312 0.0031 1.54 0.1
--.AQU.Z. 1994-03-24T03:48:57.00 10.0 undecidable manual PG 147 0.0049 0.59 1.4
--.ARV.Z. 1994-03-24T03:48:57.45 10.0 undecidable manual PG 356 0.0061 -1.25 0.5
--.MNS.Z. 1994-03-24T03:48:54.55 10.0 negative manual PG 208 0.0045 -0.83 2.3
--.ASS.Z. 1994-03-24T03:48:53.10 10.0 undecidable manual PG 312 0.0031 0.45 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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