Earthquake with magnitude of Md 2.2 on date 17-06-1998 and time 19:38:43 (Italy) in region 8 km NW Accumoli (RI)

A magnitude Md 2.2 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 17-06-1998 17:38:43 (UTC)
  • 17-06-1998 19:38:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 13.2010 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
Accumoli RI 8 667 667
Arquata del Tronto AP 8 1178 1845
Norcia PG 10 4957 6802
Montegallo AP 14 523 7325
Cittareale RI 16 482 7807
Castelsantangelo sul Nera MC 16 281 8088
Cascia PG 16 3217 11305
Amatrice RI 16 2657 13962
Acquasanta Terme AP 17 2916 16878
Montemonaco AP 19 604 17482
Preci PG 19 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
99 Km S of Ancona (100861 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 2.2 1998-06-17
17:38:43
42.758 13.201 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 342799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-06-17 17:38:43 ± 0.422
Latitude 42.7580 ± 0.0133
Longitude 13.2010 ± 0.0398
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 342799

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) 3570.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 246
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00089
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 342799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:21:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 1998-06-17T17:39:02.40 10.0 undecidable manual SG 339 0.5328 -0.71 0
--.ASS.Z. 1998-06-17T17:39:02.51 10.0 undecidable manual SG 307 0.4995 0.28 0.3
--.SNTG.Z. 1998-06-17T17:38:55.17 10.0 undecidable manual PG 339 0.5328 0.14 1.1
--.MNS.Z. 1998-06-17T17:38:54.89 10.0 undecidable manual PG 225 0.5328 -0.18 1
--.ASS.Z. 1998-06-17T17:38:54.63 10.0 undecidable manual PG 307 0.4995 0.11 1.3
--.NRCA.Z. 1998-06-17T17:38:50.20 10.0 undecidable manual SG 319 0.0999 -0.21 0.4
--.NRCA.Z. 1998-06-17T17:38:47.79 10.0 negative manual PG 319 0.0999 0.09 2.9
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