Earthquake with magnitude of Md 2.2 on date 26-06-1998 and time 04:26:11 (Italy) in region 7 km S Castelsantangelo sul Nera (MC)

A magnitude Md 2.2 earthquake occured in region: 7 km S Castelsantangelo sul Nera (MC), on

  • 26-06-1998 02:26:11 (UTC)
  • 26-06-1998 04:26:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 13.1770 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
Castelsantangelo sul Nera MC 7 281 281
Norcia PG 8 4957 5238
Preci PG 12 724 5962
Arquata del Tronto AP 12 1178 7140
Ussita MC 12 444 7584
Visso MC 13 1107 8691
Montegallo AP 13 523 9214
Montemonaco AP 14 604 9818
Accumoli RI 17 667 10485
Montefortino FM 18 1178 11663
Bolognola MC 18 142 11805
Cascia PG 19 3217 15022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
98 Km NW of Chieti (51815 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 1998-06-26
02:26:11
42.838 13.177 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 344179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-06-26 02:26:11 ± 0.241
Latitude 42.8380 ± 0.0131
Longitude 13.1770 ± 0.0320
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 344179

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) 2989.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
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) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.00809
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 344179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:22:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1998-06-26T02:26:29.86 10.0 undecidable manual PN 341 0.8991 0.7 0.4
--.SNTG.Z. 1998-06-26T02:26:27.41 10.0 undecidable manual SG 337 0.444 -0.59 0.2
--.MNS.Z. 1998-06-26T02:26:23.24 10.0 undecidable manual PG 218 0.5772 -0.17 1.3
--.AQU.Z. 1998-06-26T02:26:22.10 10.0 undecidable manual PG 160 0.4995 -0.01 1.5
--.ASS.Z. 1998-06-26T02:26:21.00 10.0 undecidable manual PG 300 0.444 0.12 1.7
--.SNTG.Z. 1998-06-26T02:26:20.71 10.0 undecidable manual PG 337 0.444 -0.3 1.1
--.NRCA.Z. 1998-06-26T02:26:17.61 10.0 undecidable manual SG 264 0.0444 0.57 0.1
--.NRCA.Z. 1998-06-26T02:26:14.76 10.0 undecidable manual PG 264 0.0444 0.08 1.8
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