Earthquake with magnitude of Md 2.7 on date 27-02-1988 and time 08:47:41 (Italy) in region 5 km W Cagnano Amiterno (AQ)

A magnitude Md 2.7 earthquake occured in region: 5 km W Cagnano Amiterno (AQ), on

  • 27-02-1988 07:47:41 (UTC)
  • 27-02-1988 08:47:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.47, 13.17 at 8 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
Cagnano Amiterno AQ 5 1369 1369
Borbona RI 5 617 1986
Posta RI 8 694 2680
Montereale AQ 8 2581 5261
Barete AQ 9 737 5998
Antrodoco RI 10 2588 8586
Micigliano RI 10 127 8713
Pizzoli AQ 11 4326 13039
Borgo Velino RI 12 972 14011
Capitignano AQ 12 665 14676
Scoppito AQ 13 3727 18403
Castel Sant'Angelo RI 14 1308 19711
Cittareale RI 16 482 20193
Campotosto AQ 19 542 20735
Leonessa RI 20 2435 23170
Amatrice RI 20 2657 25827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
44 Km E of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
86 Km W of Pescara (121014 inhabitants)
86 Km NE of Roma (2864731 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
95 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 2.7
ML-VAX 2.3
1988-02-27
07:47:41
42.47 13.17 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 63559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-27 07:47:41 ± 0.222
Latitude 42.47 ± 0.01
Longitude 13.17 ± 0.02
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 63559

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) 1937.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01336
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 63559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:00:19

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 63559
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
--.CRE.Z. 1988-02-27T07:48:27.55 10.0 undecidable manual SN 322 0.013 0.76 0.1
--.ARV.Z. 1988-02-27T07:48:16.54 10.0 undecidable manual SG 351 0.0093 -0.34 0.4
--.RDP.Z. 1988-02-27T07:48:09.53 10.0 undecidable manual SG 205 0.007 0.63 0.2
--.CRE.Z. 1988-02-27T07:48:08.50 10.0 undecidable manual PN 322 0.013 0.51 0.6
--.MAO.Z. 1988-02-27T07:48:08.49 10.0 undecidable manual PN 268 0.0134 0.44 0.7
--.ASS.Z. 1988-02-27T07:48:05.82 10.0 undecidable manual SG 327 0.0062 -0.23 0.6
--.CP9.Z. 1988-02-27T07:48:02.82 10.0 undecidable manual SG 195 0.0057 -1.02 0
--.ARV.Z. 1988-02-27T07:48:01.53 10.0 undecidable manual PG 351 0.0093 -0.29 1.2
--.SDI.Z. 1988-02-27T07:47:59.90 10.0 undecidable manual PG 148 0.008 -0.14 1.6
--.RDP.Z. 1988-02-27T07:47:57.58 10.0 undecidable manual PG 205 0.007 0.37 1.2
--.ASS.Z. 1988-02-27T07:47:55.90 10.0 undecidable manual PG 327 0.0062 -0.48 0.9
--.MNS.Z. 1988-02-27T07:47:54.91 10.0 undecidable manual SG 256 0.0033 -0.58 0.3
--.CP9.Z. 1988-02-27T07:47:53.82 10.0 undecidable manual PG 195 0.0057 -0.47 0.9
--.AQU.Z. 1988-02-27T07:47:49.53 10.0 undecidable manual SG 124 0.0019 -0.2 0.6
--.MNS.Z. 1988-02-27T07:47:49.52 10.0 positive manual PG 256 0.0033 0.05 3.5
--.AQU.Z. 1988-02-27T07:47:46.32 10.0 negative manual PG 124 0.0019 0.18 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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