Earthquake with magnitude of Md 2.6 on date 29-01-1998 and time 04:33:26 (Italy) in region 3 km W Cascia (PG)

A magnitude Md 2.6 earthquake occured in region: 3 km W Cascia (PG), on

  • 29-01-1998 03:33:26 (UTC)
  • 29-01-1998 04:33:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.71, 12.98 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
Cascia PG 3 3217 3217
Poggiodomo PG 3 117 3334
Monteleone di Spoleto PG 7 599 3933
Vallo di Nera PG 11 364 4297
Sant'Anatolia di Narco PG 12 564 4861
Scheggino PG 12 461 5322
Cerreto di Spoleto PG 13 1075 6397
Norcia PG 13 4957 11354
Leonessa RI 17 2435 13789
Polino TR 18 233 14022
Ferentillo TR 18 1913 15935
Cittareale RI 19 482 16417
Preci PG 19 724 17141
Spoleto PG 20 38218 55359
Sellano PG 20 1079 56438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Terni (111501 inhabitants)
35 Km SE of Foligno (57155 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
60 Km W of Teramo (54892 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
85 Km N of Tivoli (56533 inhabitants)
99 Km W of Montesilvano (53738 inhabitants)
100 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
Rev 1000 Md 2.6 1998-01-29
03:33:26
42.71 12.98 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 321709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-01-29 03:33:26 ± 0.085
Latitude 42.71 ± 0.00
Longitude 12.98 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 321709

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) 895.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00486
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 321709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:01:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1998-01-29T03:33:46.00 10.0 undecidable manual SG 357 0.0049 0.43 0.1
--.AQU.Z. 1998-01-29T03:33:44.00 10.0 undecidable manual SG 138 0.0043 0.47 0.1
--.ASS.Z. 1998-01-29T03:33:41.66 10.0 undecidable manual SG 325 0.0037 -0.06 0.8
--.MNS.Z. 1998-01-29T03:33:40.82 10.0 undecidable manual SG 213 0.0035 -0.05 0.8
--.SNTG.Z. 1998-01-29T03:33:37.80 10.0 undecidable manual PG 357 0.0049 -0.34 0.7
--.AQU.Z. 1998-01-29T03:33:35.99 10.0 undecidable manual PG 138 0.0043 -0.25 1.1
--.ASS.Z. 1998-01-29T03:33:35.31 10.0 undecidable manual PG 325 0.0037 0.11 1.8
--.MNS.Z. 1998-01-29T03:33:34.72 10.0 undecidable manual PG 213 0.0035 0.01 2.1
--.NRCA.Z. 1998-01-29T03:33:32.97 10.0 undecidable manual SG 40 0.0014 -0.23 0.5
--.NRCA.Z. 1998-01-29T03:33:30.39 10.0 undecidable manual PG 40 0.0014 0.11 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download