Earthquake with magnitude of Md 2.4 on date 23-12-1988 and time 13:32:14 (Italy) in region 1 km E Montereale (AQ)

A magnitude Md 2.4 earthquake occured in region: 1 km E Montereale (AQ), on

  • 23-12-1988 12:32:14 (UTC)
  • 23-12-1988 13:32:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.53, 13.25 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
Montereale AQ 1 2581 2581
Capitignano AQ 4 665 3246
Cagnano Amiterno AQ 8 1369 4615
Barete AQ 9 737 5352
Borbona RI 10 617 5969
Campotosto AQ 10 542 6511
Pizzoli AQ 11 4326 10837
Amatrice RI 12 2657 13494
Cittareale RI 13 482 13976
Posta RI 13 694 14670
Scoppito AQ 17 3727 18397
Micigliano RI 18 127 18524
Antrodoco RI 19 2588 21112
Crognaleto TE 19 1297 22409
Accumoli RI 19 667 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
78 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km SE of Perugia (166134 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
ML-VAX 2.0
1988-12-23
12:32:14
42.53 13.25 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 83909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-12-23 12:32:14 ± 0.154
Latitude 42.53 ± 0.01
Longitude 13.25 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 83909

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) 1558
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00939
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 83909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:18:48

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 83909
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
--.AOI.Z. 1988-12-23T12:32:53.80 10.0 undecidable manual SG! 13 0.0094 2.29 0
--.ARV.Z. 1988-12-23T12:32:51.30 10.0 undecidable manual SG 347 0.0089 1.29 0
--.ASS.Z. 1988-12-23T12:32:40.58 10.0 undecidable manual SG 320 0.0062 0.6 0.3
--.CIO.Z. 1988-12-23T12:32:38.70 10.0 undecidable manual SG 353 0.006 -0.61 0.4
--.AOI.Z. 1988-12-23T12:32:35.70 10.0 undecidable manual PG 13 0.0094 -0.33 0.8
--.ARV.Z. 1988-12-23T12:32:35.11 10.0 undecidable manual PG 347 0.0089 0.11 1.1
--.SDI.Z. 1988-12-23T12:32:34.11 10.0 undecidable manual PG 153 0.0082 0.6 0.5
--.AZI.Z. 1988-12-23T12:32:34.50 10.0 undecidable manual SG 165 0.0049 -1.12 0
--.SS8.Z. 1988-12-23T12:32:33.60 10.0 undecidable manual SG 358 0.0043 0.46 0.5
--.RDP.Z. 1988-12-23T12:32:33.86 10.0 undecidable manual PG 207 0.0078 1.3 0
--.MNS.Z. 1988-12-23T12:32:31.50 10.0 undecidable manual SG 251 0.004 -0.53 0.3
--.ASS.Z. 1988-12-23T12:32:29.46 10.0 undecidable manual PG 320 0.0062 0.09 1.3
--.CIO.Z. 1988-12-23T12:32:28.90 10.0 undecidable manual PG 353 0.006 -0.08 2.7
--.ALP.Z. 1988-12-23T12:32:28.30 10.0 undecidable manual SG 42 0.0031 0.12 0.8
--.AZI.Z. 1988-12-23T12:32:26.90 10.0 undecidable manual PG 165 0.0049 0.05 1.4
--.SS8.Z. 1988-12-23T12:32:25.30 10.0 undecidable manual PG 358 0.0043 -0.12 2.7
--.MNS.Z. 1988-12-23T12:32:24.26 10.0 positive manual PG 251 0.004 -0.52 1.6
--.AQU.Z. 1988-12-23T12:32:23.30 10.0 undecidable manual SG 147 0.0018 0.06 0.6
--.ALP.Z. 1988-12-23T12:32:22.40 10.0 undecidable manual PG 42 0.0031 -0.16 2.7
--.AQU.Z. 1988-12-23T12:32:19.32 10.0 undecidable manual PG 147 0.0018 -0.23 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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