Earthquake with magnitude of Md 2.4 on date 20-01-1988 and time 15:06:30 (Italy) in region 4 km NW Tramonti di Sopra (PN)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Tramonti di Sopra (PN), on

  • 20-01-1988 14:06:30 (UTC)
  • 20-01-1988 15:06:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3430, 12.7650 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
Tramonti di Sopra PN 4 321 321
Tramonti di Sotto PN 7 387 708
Socchieve UD 8 908 1616
Ampezzo UD 9 1006 2622
Forni di Sotto UD 9 600 3222
Preone UD 10 246 3468
Enemonzo UD 12 1319 4787
Raveo UD 13 458 5245
Meduno PN 14 1574 6819
Sauris UD 15 416 7235
Villa Santina UD 15 2233 9468
Frisanco PN 15 622 10090
Lauco UD 16 729 10819
Cavasso Nuovo PN 17 1525 12344
Forni di Sopra UD 17 993 13337
Clauzetto PN 17 380 13717
Fanna PN 17 1583 15300
Ovaro UD 18 1922 17222
Travesio PN 18 1776 18998
Verzegnis UD 18 863 19861
Castelnovo del Friuli PN 19 880 20741
Vito d'Asio PN 19 769 21510
Andreis PN 19 259 21769
Maniago PN 20 11698 33467
Prato Carnico UD 20 904 34371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Pordenone (51229 inhabitants)
48 Km NW of Udine (99169 inhabitants)
85 Km NE of Treviso (83731 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 2.4 1988-01-20
14:06:30
46.343 12.765 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 61429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-20 14:06:30 ± 0.331
Latitude 46.3430 ± 0.0204
Longitude 12.7650 ± 0.0288
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 61429

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) 3168.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.01724
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 61429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:58:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VBY.Z. 1988-01-20T14:07:05.00 10.0 undecidable manual PN 114 1.9092 1.76 0.2
--.TRI.Z. 1988-01-20T14:07:03.50 10.0 undecidable manual SG 132 0.9324 0.67 0.5
--.VOY.Z. 1988-01-20T14:06:58.10 10.0 undecidable manual SG 111 0.8325 -1.56 0.2
--.CTI.Z. 1988-01-20T14:06:58.00 10.0 undecidable manual SG 249 0.8214 -1.18 0.3
--.RBL.Z. 1988-01-20T14:06:51.00 10.0 undecidable manual SG 79 0.555 0.27 0.7
--.TRI.Z. 1988-01-20T14:06:49.50 10.0 undecidable manual PG 132 0.9324 0.22 1.5
--.CTI.Z. 1988-01-20T14:06:47.50 10.0 undecidable manual PG 249 0.8214 0.33 1.6
--.VOY.Z. 1988-01-20T14:06:45.80 10.0 undecidable manual PG 111 0.8325 -1.65 0.3
--.RBL.Z. 1988-01-20T14:06:42.50 10.0 undecidable manual PG 79 0.555 0.21 1.7
--.FVI.Z. 1988-01-20T14:06:40.50 10.0 undecidable manual SG 2 0.2442 -0.25 0.7
--.FVI.Z. 1988-01-20T14:06:36.50 10.0 negative manual PG 2 0.2442 -0.04 3.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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