Earthquake with magnitude of Md 2.1 on date 10-04-2000 and time 21:47:45 (Italy) in region 7 km W Arquata del Tronto (AP)

A magnitude Md 2.1 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 10-04-2000 19:47:45 (UTC)
  • 10-04-2000 21:47:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.2160 at 16 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
Arquata del Tronto AP 7 1178 1178
Norcia PG 10 4957 6135
Accumoli RI 11 667 6802
Montegallo AP 11 523 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 16 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 18 724 11850
Cascia PG 18 3217 15067
Amatrice RI 19 2657 17724
Ussita MC 19 444 18168
Visso MC 19 1107 19275
Cittareale RI 19 482 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
96 Km S of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 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 2.1 2000-04-10
19:47:45
42.788 13.216 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 386109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-04-10 19:47:45 ± 0.727
Latitude 42.7880 ± 0.0308
Longitude 13.2160 ± 0.0433
Depth (km) 16 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 386109

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) 4922.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 316
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00664
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 3
Type of magnitude Md
Reference to an origin 386109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:02:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 2000-04-10T19:48:11.73 10.0 undecidable manual SG 344 0.7326 0.52 0.1
--.SNTG.Z. 2000-04-10T19:48:03.53 10.0 undecidable manual SG 336 0.4995 -0.37 0.2
--.ASS.Z. 2000-04-10T19:48:03.00 10.0 undecidable manual SG 303 0.4995 -0.48 0.1
--.ARV.Z. 2000-04-10T19:48:00.33 10.0 undecidable manual PG 344 0.7326 -0.03 1.2
--.ASS.Z. 2000-04-10T19:47:56.11 10.0 positive manual PG 303 0.4995 0.21 2.2
--.SNTG.Z. 2000-04-10T19:47:56.30 10.0 undecidable manual PG 336 0.4995 -0.11 1.4
--.NRCA.Z. 2000-04-10T19:47:52.18 10.0 undecidable manual SG 301 0.0777 0.5 0.1
--.NRCA.Z. 2000-04-10T19:47:48.92 10.0 positive manual PG 301 0.0777 -0.16 2.6
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