Earthquake with magnitude of Md 2.4 on date 15-04-1988 and time 00:20:54 (UTC) in region 5 km NW Canino (VT)

A magnitude Md 2.4 earthquake occured in region: 5 km NW Canino (VT), on

  • 15-04-1988 00:20:54 (UTC)
  • 15-04-1988 02:20:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 11.6990 at 5 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
Canino VT 5 5286 5286
Cellere VT 6 1188 6474
Farnese VT 8 1527 8001
Tessennano VT 8 345 8346
Ischia di Castro VT 8 2326 10672
Arlena di Castro VT 11 854 11526
Piansano VT 11 2079 13605
Valentano VT 14 2868 16473
Tuscania VT 17 8451 24924
Pitigliano GR 17 3818 28742
Montalto di Castro VT 17 9039 37781
Capodimonte VT 18 1731 39512
Manciano GR 19 7354 46866
Latera VT 19 836 47702
Marta VT 19 3499 51201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Viterbo (67173 inhabitants)
45 Km N of Civitavecchia (52991 inhabitants)
57 Km SE of Grosseto (82087 inhabitants)
78 Km W of Terni (111501 inhabitants)
89 Km SW of Perugia (166134 inhabitants)
91 Km NW of Fiumicino (78395 inhabitants)
92 Km NW of Roma (2864731 inhabitants)
97 Km SE of Siena (53903 inhabitants)
97 Km SW of Foligno (57155 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
ML-VAX 2.0
1988-04-15
00:20:54
42.487 11.699 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 66529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-15 00:20:54 ± 0.22
Latitude 42.4870 ± 0.0268
Longitude 11.6990 ± 0.0164
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 66529

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) 3267.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.01222
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 66529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:02:59

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 66529
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
--.ARV.Z. 1988-04-15T00:21:38.95 10.0 undecidable manual SN 41 1.3542 -0.04 0.7
--.ASS.Z. 1988-04-15T00:21:27.15 10.0 undecidable manual SG 49 0.8991 0.42 0.7
--.ARV.Z. 1988-04-15T00:21:20.74 10.0 undecidable manual PN 41 1.3542 0.43 1.3
--.MNS.Z. 1988-04-15T00:21:20.24 10.0 undecidable manual SG 97 0.7326 -0.91 0.2
--.ASS.Z. 1988-04-15T00:21:12.57 10.0 undecidable manual PG 49 0.8991 -0.66 1.1
--.MAO.Z. 1988-04-15T00:21:10.97 10.0 undecidable manual SG 259 0.3996 0.37 0.8
--.MNS.Z. 1988-04-15T00:21:10.64 10.0 undecidable manual PG 97 0.7326 0.63 1.2
--.MAO.Z. 1988-04-15T00:21:03.58 10.0 undecidable manual PG 259 0.3996 -0.34 2
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