Earthquake with magnitude of Md 2.2 on date 06-05-1988 and time 12:26:57 (UTC) in region 1 km NE Campello sul Clitunno (PG)

A magnitude Md 2.2 earthquake occured in region: 1 km NE Campello sul Clitunno (PG), on

  • 06-05-1988 12:26:57 (UTC)
  • 06-05-1988 14:26:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8270, 12.7850 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
Campello sul Clitunno PG 1 2442 2442
Trevi PG 6 8469 10911
Vallo di Nera PG 9 364 11275
Castel Ritaldi PG 9 3278 14553
Cerreto di Spoleto PG 11 1075 15628
Spoleto PG 11 38218 53846
Sant'Anatolia di Narco PG 11 564 54410
Montefalco PG 13 5679 60089
Scheggino PG 13 461 60550
Sellano PG 14 1079 61629
Foligno PG 16 57155 118784
Giano dell'Umbria PG 17 3846 122630
Poggiodomo PG 18 117 122747
Bevagna PG 19 5081 127828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of Foligno (57155 inhabitants)
32 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
72 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 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 1988-05-06
12:26:57
42.827 12.785 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-06 12:26:57 ± 0.819
Latitude 42.8270 ± 0.0433
Longitude 12.7850 ± 0.0302
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68839

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) 5411.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00405
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 68839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CM8.Z. 1988-05-06T12:27:13.30 10.0 undecidable manual SG 35 0.444 -0.52 0.6
--.SS8.Z. 1988-05-06T12:27:11.65 10.0 undecidable manual SG 60 0.3663 0.64 0.5
--.ASS.Z. 1988-05-06T12:27:08.00 10.0 undecidable manual SG 337 0.2553 0.77 0.4
--.CM8.Z. 1988-05-06T12:27:06.30 10.0 undecidable manual PG 35 0.444 -0.59 1.3
--.SS8.Z. 1988-05-06T12:27:05.51 10.0 undecidable manual PG 60 0.3663 0.36 1.9
--.ASS.Z. 1988-05-06T12:27:02.37 10.0 undecidable manual PG 337 0.2553 -0.6 1.4
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