Earthquake with magnitude of Md 2.1 on date 01-12-2001 and time 10:24:01 (Italy) in region 2 km W Cascia (PG)

A magnitude Md 2.1 earthquake occured in region: 2 km W Cascia (PG), on

  • 01-12-2001 09:24:01 (UTC)
  • 01-12-2001 10:24:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.72, 12.98 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
Cascia PG 3 3217 3217
Poggiodomo PG 4 117 3334
Monteleone di Spoleto PG 8 599 3933
Vallo di Nera PG 11 364 4297
Norcia PG 12 4957 9254
Cerreto di Spoleto PG 12 1075 10329
Sant'Anatolia di Narco PG 12 564 10893
Scheggino PG 13 461 11354
Leonessa RI 18 2435 13789
Preci PG 18 724 14513
Cittareale RI 19 482 14995
Polino TR 19 233 15228
Sellano PG 19 1079 16307
Ferentillo TR 19 1913 18220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Terni (111501 inhabitants)
35 Km SE of Foligno (57155 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
98 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 2.1 2001-12-01
09:24:01
42.72 12.98 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 432269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-12-01 09:24:01 ± 0.14
Latitude 42.72 ± 0.01
Longitude 12.98 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 432269

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) 1561.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.00478
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 432269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:48:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 2001-12-01T09:24:20.63 10.0 undecidable manual SG 356 0.0048 0.22 0.3
--.ASS.Z. 2001-12-01T09:24:17.39 10.0 undecidable manual SG 324 0.0037 0.69 0
--.MNS.Z. 2001-12-01T09:24:16.43 10.0 undecidable manual SG 213 0.0036 0.11 0.5
--.SNTG.Z. 2001-12-01T09:24:11.87 10.0 undecidable manual PG 356 0.0048 -0.5 0.2
--.MNS.Z. 2001-12-01T09:24:10.20 10.0 undecidable manual PG 213 0.0036 0 1.4
--.ASS.Z. 2001-12-01T09:24:10.12 10.0 positive manual PG 324 0.0037 -0.11 2.6
--.NRCA.Z. 2001-12-01T09:24:07.86 10.0 undecidable manual SG 40 0.0013 -0.13 0.5
--.NRCA.Z. 2001-12-01T09:24:05.38 10.0 positive manual PG 40 0.0013 0.18 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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