Earthquake with magnitude of Md 2.2 on date 27-06-1990 and time 02:47:56 (UTC) in region 3 km NE Monteleone di Spoleto (PG)

A magnitude Md 2.2 earthquake occured in region: 3 km NE Monteleone di Spoleto (PG), on

  • 27-06-1990 02:47:56 (UTC)
  • 27-06-1990 04:47:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 12.9840 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
Monteleone di Spoleto PG 3 599 599
Cascia PG 6 3217 3816
Poggiodomo PG 6 117 3933
Leonessa RI 12 2435 6368
Scheggino PG 13 461 6829
Sant'Anatolia di Narco PG 14 564 7393
Polino TR 15 233 7626
Vallo di Nera PG 15 364 7990
Cittareale RI 16 482 8472
Norcia PG 16 4957 13429
Ferentillo TR 17 1913 15342
Cerreto di Spoleto PG 18 1075 16417
Posta RI 19 694 17111
Montefranco TR 19 1276 18387
Arrone TR 20 2763 21150
Rivodutri RI 20 1253 22403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Terni (111501 inhabitants)
39 Km SE of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
77 Km N of Guidonia Montecelio (88673 inhabitants)
80 Km N of Tivoli (56533 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
97 Km W of Montesilvano (53738 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 1990-06-27
02:47:56
42.67 12.984 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 121719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-06-27 02:47:56 ± 0.164
Latitude 42.6700 ± 0.0080
Longitude 12.9840 ± 0.0083
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 121719

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) 1122.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 121719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:53:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1990-06-27T02:48:25.50 10.0 undecidable manual SG 358 0.8214 0.11 0.5
--.CIO.Z. 1990-06-27T02:48:15.97 10.0 undecidable manual SG 12 0.5328 -0.06 0.7
--.ASS.Z. 1990-06-27T02:48:14.00 10.0 undecidable manual SG 328 0.4551 0.41 0
--.ALP.Z. 1990-06-27T02:48:13.17 10.0 undecidable manual SG 75 0.444 0.2 0.4
--.ARV.Z. 1990-06-27T02:48:13.00 10.0 undecidable manual PG 358 0.8214 -0.33 0.3
--.RM8.Z. 1990-06-27T02:48:09.18 10.0 undecidable manual SG 30 0.3219 -0.14 0.6
--.CIO.Z. 1990-06-27T02:48:07.99 10.0 undecidable manual PG 12 0.5328 0.06 1.8
--.ALP.Z. 1990-06-27T02:48:06.17 10.0 undecidable manual PG 75 0.444 0.01 1.9
--.ASS.Z. 1990-06-27T02:48:06.50 10.0 undecidable manual PG 328 0.4551 -0.02 1.9
--.RM8.Z. 1990-06-27T02:48:04.10 10.0 undecidable manual PG 30 0.3219 0.05 1.9
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