Earthquake with magnitude of Md 2.5 on date 13-01-1989 and time 21:41:12 (UTC) in region 6 km N Cascia (PG)

A magnitude Md 2.5 earthquake occured in region: 6 km N Cascia (PG), on

  • 13-01-1989 21:41:12 (UTC)
  • 13-01-1989 22:41:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7710, 13.0150 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 6 3217 3217
Norcia PG 7 4957 8174
Poggiodomo PG 9 117 8291
Cerreto di Spoleto PG 10 1075 9366
Preci PG 12 724 10090
Vallo di Nera PG 12 364 10454
Monteleone di Spoleto PG 14 599 11053
Sellano PG 15 1079 12132
Sant'Anatolia di Narco PG 15 564 12696
Scheggino PG 16 461 13157
Castelsantangelo sul Nera MC 18 281 13438
Visso MC 19 1107 14545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
58 Km W of Teramo (54892 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
97 Km W of Montesilvano (53738 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 2.5
ML-VAX 1.6
1989-01-13
21:41:12
42.771 13.015 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 85289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-13 21:41:12 ± 0.094
Latitude 42.7710 ± 0.0057
Longitude 13.0150 ± 0.0086
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 85289

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) 945.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 85289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:20:04

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 85289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AM8.Z. 1989-01-13T21:41:44.90 10.0 undecidable manual SG! 28 0.8769 2.16 0
--.ARV.Z. 1989-01-13T21:41:38.41 10.0 undecidable manual SG 356 0.7326 0.73 0
--.AM8.Z. 1989-01-13T21:41:29.60 10.0 undecidable manual PG 28 0.8769 -0.29 0.4
--.CM8.Z. 1989-01-13T21:41:28.10 10.0 undecidable manual SG 12 0.4329 -0.09 0.7
--.MNS.Z. 1989-01-13T21:41:28.61 10.0 undecidable manual SG 212 0.444 -0.32 0.2
--.ALP.Z. 1989-01-13T21:41:27.60 10.0 undecidable manual SG 88 0.3996 0.34 0.3
--.ASS.Z. 1989-01-13T21:41:27.10 10.0 undecidable manual SG 317 0.3885 0.11 0.4
--.ARV.Z. 1989-01-13T21:41:26.79 10.0 negative manual PG 356 0.7326 -0.17 1.5
--.SS8.Z. 1989-01-13T21:41:23.50 10.0 undecidable manual SG 33 0.2775 0.13 0.6
--.MNS.Z. 1989-01-13T21:41:21.99 10.0 positive manual PG 212 0.444 0.08 2.2
--.CM8.Z. 1989-01-13T21:41:21.10 10.0 undecidable manual PG 12 0.4329 -0.39 0.6
--.ASS.Z. 1989-01-13T21:41:20.88 10.0 positive manual PG 317 0.3885 0.14 2
--.ALP.Z. 1989-01-13T21:41:20.90 10.0 undecidable manual PG 88 0.3996 -0.05 2.3
--.SS8.Z. 1989-01-13T21:41:18.90 10.0 undecidable manual PG 33 0.2775 0.19 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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