Earthquake with magnitude of Md 2.1 on date 28-06-2002 and time 16:39:51 (Italy) in region 5 km W Amatrice (RI)

A magnitude Md 2.1 earthquake occured in region: 5 km W Amatrice (RI), on

  • 28-06-2002 14:39:51 (UTC)
  • 28-06-2002 16:39:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6280, 13.2250 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
Amatrice RI 5 2657 2657
Cittareale RI 5 482 3139
Accumoli RI 8 667 3806
Montereale AQ 12 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 14 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 19 1369 11452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
95 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 2002-06-28
14:39:51
42.628 13.225 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 444349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-06-28 14:39:51 ± 0.367
Latitude 42.6280 ± 0.0175
Longitude 13.2250 ± 0.0435
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 444349

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) 4056.2
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 7
Number of defining phases 7
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00591
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 444349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:00:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2002-06-28T14:40:13.27 10.0 undecidable manual SG 341 0.6549 -0.84 0.2
--.MNS.Z. 2002-06-28T14:40:08.82 10.0 undecidable manual SG 238 0.4662 0.88 0.4
--.SNTG.Z. 2002-06-28T14:40:05.90 10.0 negative manual PG 341 0.6549 1.55 0.9
--.NRCA.Z. 2002-06-28T14:40:00.80 10.0 undecidable manual SG 338 0.2109 0.06 0.6
--.MNS.Z. 2002-06-28T14:40:00.34 10.0 undecidable manual PG 238 0.4662 -0.44 1.2
--.AQU.Z. 2002-06-28T14:39:57.75 10.0 undecidable manual PG 154 0.2997 0.03 1.6
--.NRCA.Z. 2002-06-28T14:39:55.66 10.0 negative manual PG 338 0.2109 -0.55 2.1
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