Earthquake with magnitude of Md 2.3 on date 06-01-1988 and time 14:29:11 (Italy) in region 7 km S Acquasanta Terme (AP)

A magnitude Md 2.3 earthquake occured in region: 7 km S Acquasanta Terme (AP), on

  • 06-01-1988 13:29:11 (UTC)
  • 06-01-1988 14:29:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.71, 13.4 at 6 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
Acquasanta Terme AP 7 2916 2916
Valle Castellana TE 9 977 3893
Rocca Santa Maria TE 11 537 4430
Arquata del Tronto AP 11 1178 5608
Amatrice RI 12 2657 8265
Accumoli RI 13 667 8932
Cortino TE 13 656 9588
Montegallo AP 16 523 10111
Campotosto AQ 17 542 10653
Roccafluvione AP 18 2010 12663
Crognaleto TE 19 1297 13960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
64 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
94 Km E of Perugia (166134 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 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 2.3
ML-VAX 1.5
1988-01-06
13:29:11
42.71 13.4 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 60549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-06 13:29:11 ± 0.291
Latitude 42.71 ± 0.01
Longitude 13.40 ± 0.03
Depth (km) 6 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 60549

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) 3040.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00931
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 60549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:57:45

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 60549
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 Takeoff_angle Residual Weight
--.SDI.Z. 1988-01-06T13:29:48.00 10.0 undecidable manual SG 163 0.0093 0.52 0.4
--.ARV.Z. 1988-01-06T13:29:42.97 10.0 undecidable manual SG 337 0.0077 1.33 0.1
--.MNS.Z. 1988-01-06T13:29:35.00 10.0 undecidable manual SG 239 0.0055 1.05 0.2
--.ASS.Z. 1988-01-06T13:29:35.79 10.0 undecidable manual SG 303 0.0058 0.76 0.4
--.SDI.Z. 1988-01-06T13:29:32.00 10.0 undecidable manual PG 163 0.0093 -0.18 1.2
--.CM8.Z. 1988-01-06T13:29:31.13 10.0 undecidable manual SG 339 0.0047 0.29 0.9
--.ARV.Z. 1988-01-06T13:29:27.80 10.0 undecidable manual PG 337 0.0077 -1.01 0.5
--.ASS.Z. 1988-01-06T13:29:26.19 10.0 undecidable manual PG 303 0.0058 1.2 0.4
--.AQU.Z. 1988-01-06T13:29:25.00 10.0 undecidable manual SG 179 0.0032 0.01 0.7
--.MNS.Z. 1988-01-06T13:29:23.36 10.0 positive manual PG 239 0.0055 -1.02 1.2
--.CM8.Z. 1988-01-06T13:29:22.19 10.0 undecidable manual PG 339 0.0047 -0.39 2.9
--.AQU.Z. 1988-01-06T13:29:20.00 10.0 undecidable manual PG 179 0.0032 0.8 0.9
--.ALP.Z. 1988-01-06T13:29:16.82 10.0 undecidable manual SG 58 0.0012 -0.29 0.9
--.ALP.Z. 1988-01-06T13:29:14.79 10.0 undecidable manual PG 58 0.0012 0.14 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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