Earthquake with magnitude of Md 2.4 on date 06-01-1988 and time 08:23:32 (Italy) in region 6 km W Valle Castellana (TE)

A magnitude Md 2.4 earthquake occured in region: 6 km W Valle Castellana (TE), on

  • 06-01-1988 07:23:32 (UTC)
  • 06-01-1988 08:23:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.71, 13.43 at 13 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
Valle Castellana TE 6 977 977
Acquasanta Terme AP 7 2916 3893
Rocca Santa Maria TE 8 537 4430
Cortino TE 12 656 5086
Arquata del Tronto AP 13 1178 6264
Amatrice RI 15 2657 8921
Accumoli RI 15 667 9588
Montegallo AP 17 523 10111
Roccafluvione AP 17 2010 12121
Campotosto AQ 18 542 12663
Crognaleto TE 19 1297 13960
Torricella Sicura TE 19 2641 16601
Venarotta AP 20 2066 18667
Ascoli Piceno AP 20 49407 68074
Fano Adriano TE 20 296 68370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
65 Km E of Foligno (57155 inhabitants)
66 Km E of Terni (111501 inhabitants)
70 Km W of Pescara (121014 inhabitants)
72 Km NW of Chieti (51815 inhabitants)
96 Km E of Perugia (166134 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
98 Km NE of Guidonia Montecelio (88673 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 2.4 1988-01-06
07:23:32
42.71 13.43 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 60529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-06 07:23:32 ± 0.18
Latitude 42.71 ± 0.02
Longitude 13.43 ± 0.02
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 60529

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) 2519.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00931
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 60529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:57:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1988-01-06T07:24:07.68 10.0 undecidable manual SN 164 0.0093 0.29 0.3
--.ARV.Z. 1988-01-06T07:24:02.40 10.0 undecidable manual SG 335 0.0078 -0.01 0.4
--.MNS.Z. 1988-01-06T07:23:56.61 10.0 undecidable manual SG 239 0.0057 1.25 0
--.SDI.Z. 1988-01-06T07:23:52.75 10.0 positive manual PN 164 0.0093 -0.01 1.9
--.CM8.Z. 1988-01-06T07:23:52.57 10.0 undecidable manual SG 336 0.0047 0.95 0.1
--.ARV.Z. 1988-01-06T07:23:49.80 10.0 undecidable manual PG 335 0.0078 -0.81 0.2
--.MNS.Z. 1988-01-06T07:23:45.54 10.0 negative manual PG 239 0.0057 -0.27 2
--.ASS.Z. 1988-01-06T07:23:45.93 10.0 undecidable manual PG 301 0.006 -0.38 0.8
--.CM8.Z. 1988-01-06T07:23:43.77 10.0 undecidable manual PG 336 0.0047 0.11 2.4
--.ALP.Z. 1988-01-06T07:23:38.75 10.0 undecidable manual SG 55 0.0011 -0.25 0.6
--.ALP.Z. 1988-01-06T07:23:36.55 10.0 undecidable manual PG 55 0.0011 0.18 2.3
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