Earthquake with magnitude of Md 2.0 on date 25-04-2001 and time 12:28:40 (UTC) in region 1 km NW Poggiodomo (PG)

A magnitude Md 2.0 earthquake occured in region: 1 km NW Poggiodomo (PG), on

  • 25-04-2001 12:28:40 (UTC)
  • 25-04-2001 14:28:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7170, 12.9330 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
Poggiodomo PG 1 117 117
Cascia PG 7 3217 3334
Monteleone di Spoleto PG 7 599 3933
Sant'Anatolia di Narco PG 8 564 4497
Vallo di Nera PG 8 364 4861
Scheggino PG 8 461 5322
Cerreto di Spoleto PG 12 1075 6397
Norcia PG 16 4957 11354
Ferentillo TR 16 1913 13267
Spoleto PG 16 38218 51485
Polino TR 16 233 51718
Campello sul Clitunno PG 17 2442 54160
Leonessa RI 17 2435 56595
Montefranco TR 19 1276 57871
Sellano PG 19 1079 58950
Arrone TR 20 2763 61713
Preci PG 20 724 62437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Terni (111501 inhabitants)
33 Km SE of Foligno (57155 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
81 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
99 Km NE of Roma (2864731 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 2.0 2001-04-25
12:28:40
42.717 12.933 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 416469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-04-25 12:28:40 ± 0.047
Latitude 42.7170 ± 0.0029
Longitude 12.9330 ± 0.0066
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 416469

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) 629.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00154
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 416469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:32:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2001-04-25T12:29:00.10 10.0 undecidable manual SG 0 0.5328 -0.02 0.5
--.MNS.Z. 2001-04-25T12:28:55.19 10.0 undecidable manual SG 209 0.3774 0.13 0.3
--.ASS.Z. 2001-04-25T12:28:55.94 10.0 undecidable manual SG 329 0.3996 0.19 0.1
--.SNTG.Z. 2001-04-25T12:28:51.90 10.0 undecidable manual PG 0 0.5328 -0.11 0.7
--.MNS.Z. 2001-04-25T12:28:49.40 10.0 positive manual PG 209 0.3774 -0.05 2.9
--.ASS.Z. 2001-04-25T12:28:49.45 10.0 undecidable manual PG 329 0.3996 -0.04 1.4
--.NRCA.Z. 2001-04-25T12:28:48.30 10.0 undecidable manual SG 48 0.1665 -0.21 0.1
--.NRCA.Z. 2001-04-25T12:28:45.41 10.0 positive manual PG 48 0.1665 0.1 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download