Earthquake with magnitude of Md 1.9 on date 10-02-1988 and time 20:05:13 (Italy) in region 8 km SE Cascia (PG)

A magnitude Md 1.9 earthquake occured in region: 8 km SE Cascia (PG), on

  • 10-02-1988 19:05:13 (UTC)
  • 10-02-1988 20:05:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.68, 13.09 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 8 3217 3217
Cittareale RI 9 482 3699
Monteleone di Spoleto PG 12 599 4298
Norcia PG 13 4957 9255
Poggiodomo PG 13 117 9372
Accumoli RI 13 667 10039
Leonessa RI 16 2435 12474
Posta RI 17 694 13168
Amatrice RI 17 2657 15825
Borbona RI 19 617 16442

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Terni (111501 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km N of Tivoli (56533 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km W of Chieti (51815 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 1.9 1988-02-10
19:05:13
42.68 13.09 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 63009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-10 19:05:13 ± 0.411
Latitude 42.68 ± 0.01
Longitude 13.09 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 63009

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) 3405.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 63009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1988-02-10T19:05:42.30 10.0 undecidable manual SG 352 0.0074 0.11 0.7
--.ASS.Z. 1988-02-10T19:05:31.73 10.0 undecidable manual SG 320 0.0045 0.05 0.9
--.ARV.Z. 1988-02-10T19:05:29.80 10.0 undecidable manual PG 352 0.0074 -0.34 1.2
--.MNS.Z. 1988-02-10T19:05:28.21 10.0 undecidable manual SG 225 0.0037 -0.8 0.1
--.ASS.Z. 1988-02-10T19:05:24.22 10.0 undecidable manual PG 320 0.0045 0.16 2
--.MNS.Z. 1988-02-10T19:05:22.94 10.0 undecidable manual PG 225 0.0037 0.41 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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