Earthquake with magnitude of Md 2.1 on date 09-07-1992 and time 12:09:28 (Italy) in region 5 km SW Amatrice (RI)

A magnitude Md 2.1 earthquake occured in region: 5 km SW Amatrice (RI), on

  • 09-07-1992 10:09:28 (UTC)
  • 09-07-1992 12:09:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5860, 13.2640 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 5 2657 2657
Montereale AQ 7 2581 5238
Capitignano AQ 8 665 5903
Cittareale RI 9 482 6385
Campotosto AQ 9 542 6927
Accumoli RI 12 667 7594
Borbona RI 13 617 8211
Cagnano Amiterno AQ 14 1369 9580
Barete AQ 15 737 10317
Posta RI 15 694 11011
Pizzoli AQ 17 4326 15337
Crognaleto TE 18 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
100 Km NE of Roma (2864731 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 2.1
ML-VAX 1.5
1992-07-09
10:09:28
42.586 13.264 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 169229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-09 10:09:28 ± 0.289
Latitude 42.5860 ± 0.0179
Longitude 13.2640 ± 0.0266
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 169229

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) 2953.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 169229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:38:14

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 169229
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
--.CIO.Z. 1992-07-09T10:09:50.00 10.0 undecidable manual SG 351 0.6105 -0.26 0.5
--.MNS.Z. 1992-07-09T10:09:46.95 10.0 undecidable manual SG 245 0.4662 1.21 0
--.RMF.Z. 1992-07-09T10:09:41.60 10.0 undecidable manual SG 353 0.3663 -0.8 0.2
--.ALP.Z. 1992-07-09T10:09:40.50 10.0 undecidable manual SG 48 0.2886 0.48 0.5
--.CIO.Z. 1992-07-09T10:09:40.90 10.0 undecidable manual PG 351 0.6105 -0.21 0.9
--.MNS.Z. 1992-07-09T10:09:38.52 10.0 negative manual PG 245 0.4662 0.02 2.4
--.RMF.Z. 1992-07-09T10:09:36.60 10.0 undecidable manual PG 353 0.3663 0.03 2.5
--.ALP.Z. 1992-07-09T10:09:35.60 10.0 undecidable manual PG 48 0.2886 0.41 1.8
--.AQU.Z. 1992-07-09T10:09:33.53 10.0 undecidable manual PG 156 0.2553 -0.87 0.2
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