Earthquake with magnitude of Md 2.2 on date 13-03-1990 and time 03:27:19 (Italy) in region 1 km E Cittareale (RI)

A magnitude Md 2.2 earthquake occured in region: 1 km E Cittareale (RI), on

  • 13-03-1990 02:27:19 (UTC)
  • 13-03-1990 03:27:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6210, 13.1750 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
Cittareale RI 1 482 482
Amatrice RI 9 2657 3139
Accumoli RI 10 667 3806
Montereale AQ 12 2581 6387
Borbona RI 13 617 7004
Posta RI 13 694 7698
Capitignano AQ 15 665 8363
Cascia PG 17 3217 11580
Campotosto AQ 18 542 12122
Cagnano Amiterno AQ 18 1369 13491
Leonessa RI 18 2435 15926
Monteleone di Spoleto PG 19 599 16525
Arquata del Tronto AP 20 1178 17703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
44 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
87 Km W of Chieti (51815 inhabitants)
87 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
99 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 2.2 1990-03-13
02:27:19
42.621 13.175 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 111599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-13 02:27:19 ± 0.326
Latitude 42.6210 ± 0.0136
Longitude 13.1750 ± 0.0307
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 111599

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) 2932.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00510
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 111599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CIO.Z. 1990-03-13T02:27:39.82 10.0 undecidable manual SG 358 0.5661 0.21 0.4
--.AQU.Z. 1990-03-13T02:27:35.36 10.0 undecidable manual SG! 148 0.3108 4.04 0
--.RM8.Z. 1990-03-13T02:27:32.60 10.0 undecidable manual SG 4 0.333 0.69 0.3
--.ALP.Z. 1990-03-13T02:27:31.83 10.0 undecidable manual SG 61 0.3219 0.07 0.6
--.CIO.Z. 1990-03-13T02:27:30.13 10.0 undecidable manual PG 358 0.5661 -0.89 0.3
--.ALP.Z. 1990-03-13T02:27:26.10 10.0 undecidable manual PG 61 0.3219 -0.48 1
--.AQU.Z. 1990-03-13T02:27:26.53 10.0 undecidable manual PG 148 0.3108 0.3 1.3
--.RM8.Z. 1990-03-13T02:27:26.68 10.0 undecidable manual PG 4 0.333 0.11 3.1
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