Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 26-07-1992 and time 15:20:09 (Italy) in region 4 km NE Cagnano Amiterno (AQ)

A magnitude Md 2.5 earthquake occured in region: 4 km NE Cagnano Amiterno (AQ), on

  • 26-07-1992 13:20:09 (UTC)
  • 26-07-1992 15:20:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4830, 13.2550 at 10 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.

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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 4 1369 1369
Barete AQ 4 737 2106
Montereale AQ 5 2581 4687
Capitignano AQ 6 665 5352
Pizzoli AQ 6 4326 9678
Borbona RI 11 617 10295
Scoppito AQ 12 3727 14022
Campotosto AQ 13 542 14564
Posta RI 14 694 15258
Antrodoco RI 16 2588 17846
Amatrice RI 17 2657 20503
Micigliano RI 17 127 20630
Cittareale RI 17 482 21112
Borgo Velino RI 18 972 22084
L'Aquila AQ 19 69753 91837
Crognaleto TE 20 1297 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
99 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
Bulletin
Rev1000 		Md 2.5
ML-VAX 1.8 		1992-07-26
13:20:09		 42.483 13.255 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 170179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-26 13:20:09 ± 0.199
Latitude 42.4830 ± 0.0116
Longitude 13.2550 ± 0.0222
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 170179

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) 2226.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00785
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 170179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:39:07

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 170179
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(km) Takeoff_angle Residual Weight
--.SDI.Z. 1992-07-26T13:20:40.14 10.0 undecidable manual SG 151 0.8769 1.06 0.1
--.CIO.Z. 1992-07-26T13:20:34.70 10.0 undecidable manual SG 353 0.7104 0.77 0.3
--.ASS.Z. 1992-07-26T13:20:34.11 10.0 undecidable manual SG 322 0.7215 -0.23 0.5
--.RMF.Z. 1992-07-26T13:20:26.20 10.0 undecidable manual SG 356 0.4662 0.1 0.9
--.AZI.Z. 1992-07-26T13:20:26.28 10.0 undecidable manual SG 164 0.5106 -1.16 0.1
--.SDI.Z. 1992-07-26T13:20:25.95 10.0 undecidable manual PG 151 0.8769 -0.43 0.9
--.CIO.Z. 1992-07-26T13:20:23.30 10.0 undecidable manual PG 353 0.7104 -0.11 1.3
--.ASS.Z. 1992-07-26T13:20:23.81 10.0 undecidable manual PG 322 0.7215 0.16 1.2
--.MNS.Z. 1992-07-26T13:20:23.19 10.0 undecidable manual SG 257 0.4329 -1.71 0
--.ALP.Z. 1992-07-26T13:20:22.30 10.0 undecidable manual SG 37 0.3663 -0.71 0.5
--.AZI.Z. 1992-07-26T13:20:21.80 10.0 undecidable manual PG 164 0.5106 1.41 0.1
--.RMF.Z. 1992-07-26T13:20:19.10 10.0 undecidable manual PG 356 0.4662 0.21 2.8
--.MNS.Z. 1992-07-26T13:20:18.32 10.0 positive manual PG 257 0.4329 0.12 2.9
--.ALP.Z. 1992-07-26T13:20:16.60 10.0 undecidable manual PG 37 0.3663 -0.5 1.1
--.AQU.Z. 1992-07-26T13:20:16.20 10.0 undecidable manual SG 139 0.1665 -0.35 0.5
--.AQU.Z. 1992-07-26T13:20:13.12 10.0 positive manual PG 139 0.1665 -0.15 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download