Earthquake with magnitude of Md 2.4 on date 18-10-1988 and time 04:26:59 (Italy) in region 2 km N Barete (AQ)

A magnitude Md 2.4 earthquake occured in region: 2 km N Barete (AQ), on

  • 18-10-1988 03:26:59 (UTC)
  • 18-10-1988 04:26:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.47, 13.28 at 7 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
Barete AQ 2 737 737
Pizzoli AQ 4 4326 5063
Cagnano Amiterno AQ 5 1369 6432
Capitignano AQ 6 665 7097
Montereale AQ 7 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 13 542 13947
Borbona RI 13 617 14564
L'Aquila AQ 16 69753 84317
Posta RI 16 694 85011
Antrodoco RI 17 2588 87599
Amatrice RI 18 2657 90256
Micigliano RI 19 127 90383
Crognaleto TE 19 1297 91680
Tornimparte AQ 20 3187 94867
Borgo Velino RI 20 972 95839
Cittareale RI 20 482 96321
Lucoli AQ 20 1011 97332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
74 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
96 Km NE of Velletri (53303 inhabitants)
97 Km E of Viterbo (67173 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 1988-10-18
03:26:59
42.47 13.28 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 79079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-18 03:26:59 ± 0.148
Latitude 42.47 ± 0.01
Longitude 13.28 ± 0.01
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79079

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) 1004
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 13
Number of defining phases 13
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00947
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 79079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1988-10-18T03:27:29.32 10.0 undecidable manual SG 152 0.0076 0.04 0.6
--.ASS.Z. 1988-10-18T03:27:26.24 10.0 undecidable manual SG 322 0.0067 0.12 0.7
--.ARV.Z. 1988-10-18T03:27:21.00 10.0 undecidable manual PG 346 0.0095 0.5 0.6
--.MNS.Z. 1988-10-18T03:27:16.55 10.0 undecidable manual SG 259 0.004 0.14 0.7
--.SDI.Z. 1988-10-18T03:27:16.50 10.0 undecidable manual PG 152 0.0076 -0.59 0.4
--.ALP.Z. 1988-10-18T03:27:14.13 10.0 undecidable manual SG 33 0.0033 0.1 0.8
--.ASS.Z. 1988-10-18T03:27:14.37 10.0 undecidable manual PG 322 0.0067 -0.44 0.8
--.CP9.Z. 1988-10-18T03:27:13.55 10.0 undecidable manual PG 202 0.0058 0.62 0.5
--.AZI.Z. 1988-10-18T03:27:10.00 10.0 undecidable manual PG 166 0.0044 0.02 2
--.MNS.Z. 1988-10-18T03:27:08.85 10.0 undecidable manual PG 259 0.004 -0.36 1.3
--.ALP.Z. 1988-10-18T03:27:07.80 10.0 undecidable manual PG 33 0.0033 -0.03 2
--.AQU.Z. 1988-10-18T03:27:05.28 10.0 undecidable manual SG 141 0.0012 -0.06 0.8
--.AQU.Z. 1988-10-18T03:27:02.98 10.0 undecidable manual PG 141 0.0012 0.17 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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