Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-05-2006 and time 13:14:44 (Italy) in region 3 km E Spoleto (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Spoleto (PG), on

  • 19-05-2006 11:14:44 (UTC)
  • 19-05-2006 13:14:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7270, 12.7800 at 7 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
Spoleto PG 4 38218 38218
Scheggino PG 5 461 38679
Sant'Anatolia di Narco PG 5 564 39243
Vallo di Nera PG 8 364 39607
Campello sul Clitunno PG 11 2442 42049
Ferentillo TR 12 1913 43962
Poggiodomo PG 13 117 44079
Castel Ritaldi PG 14 3278 47357
Montefranco TR 14 1276 48633
Cerreto di Spoleto PG 15 1075 49708
Arrone TR 16 2763 52471
Monteleone di Spoleto PG 16 599 53070
Polino TR 17 233 53303
Trevi PG 17 8469 61772
Cascia PG 19 3217 64989
Acquasparta TR 19 4778 69767

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Terni (111501 inhabitants)
26 Km S of Foligno (57155 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
76 Km W of Teramo (54892 inhabitants)
81 Km N of Guidonia Montecelio (88673 inhabitants)
85 Km N of Tivoli (56533 inhabitants)
96 Km N 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
ML 1.8 		2006-05-19
11:14:44		 42.727 12.78 7 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 569189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-05-19 11:14:44 ± 0.11
Latitude 42.7270 ± 0.0045
Longitude 12.7800 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 569189

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71496
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 569189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:55:39

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 569189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:55:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.BHZ. 2006-05-19T11:15:12.11 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2006-05-19T11:15:09.24 0.1 undecidable manual Sg 25 79.365 0.277 44
IV.TERO.HHZ. 2006-05-19T11:15:06.16 0.1 undecidable manual Sg 100 68.1762 0.191 46
IV.SACS.HHN. 2006-05-19T11:15:06.75 0.1 undecidable manual Sg 281 72.1722 -0.274 45
IV.MURB.HHZ. 2006-05-19T11:15:04.35 0.1 undecidable manual Sg 341 62.8926 -0.214 46
IV.FIAM.HHZ. 2006-05-19T11:15:03.45 0.1 undecidable manual Sg 151 57.8976 0.214 46
IV.CAMP.EHZ. 2006-05-19T11:15:02.91 0.1 undecidable manual Sg 112 55.5999 0.312 46
IV.CING.HHE. 2006-05-19T11:14:58.22 0.1 undecidable manual Pg 25 79.365 -0.376 86
IV.MNS.BHE. 2006-05-19T11:14:58.01 0.1 undecidable manual Sg 192 38.8278 -0.106 49
IV.SACS.HHN. 2006-05-19T11:14:57.85 0.1 undecidable manual Pg 281 72.1722 0.375 87
IV.MURB.HHZ. 2006-05-19T11:14:56.27 0.1 undecidable manual Pg 341 62.8926 0.212 92
IV.TERO.HHZ. 2006-05-19T11:14:56.48 0.1 undecidable manual Pg 100 68.1762 -0.387 88
IV.FIAM.HHZ. 2006-05-19T11:14:55.12 0.1 undecidable manual Pg 151 57.8976 -0.168 94
IV.NRCA.SHZ. 2006-05-19T11:14:55.05 0.1 undecidable manual Sg 66 29.6481 0.038 51
IV.CAMP.EHZ. 2006-05-19T11:14:54.87 0.1 undecidable manual Pg 112 55.5999 -0.05 97
IV.MNS.BHE. 2006-05-19T11:14:52.39 0.1 undecidable manual Pg 192 38.8278 0.056 99
IV.NRCA.SHZ. 2006-05-19T11:14:50.65 0.1 undecidable manual Pg 66 29.6481 0.106 100
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