Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 14-05-2009 and time 20:49:21 (Italy) in region 4 km E Vallo di Nera (PG)

A magnitude ML 2.0 earthquake occured in region: 4 km E Vallo di Nera (PG), on

  • 14-05-2009 18:49:21 (UTC)
  • 14-05-2009 20:49:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7690, 12.9170 at 9 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
Vallo di Nera PG 4 364 364
Cerreto di Spoleto PG 6 1075 1439
Poggiodomo PG 6 117 1556
Sant'Anatolia di Narco PG 8 564 2120
Scheggino PG 9 461 2581
Cascia PG 10 3217 5798
Campello sul Clitunno PG 13 2442 8240
Monteleone di Spoleto PG 13 599 8839
Sellano PG 14 1079 9918
Norcia PG 15 4957 14875
Spoleto PG 15 38218 53093
Preci PG 16 724 53817
Trevi PG 18 8469 62286
Ferentillo TR 19 1913 64199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SE of Foligno (57155 inhabitants)
32 Km NE of Terni (111501 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
90 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 2.1
ML 2.0 		2009-05-14
18:49:21		 42.769 12.917 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 865629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-14 18:49:21 ± 0.08
Latitude 42.7690 ± 0.0027
Longitude 12.9170 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 865629

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77611
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 865629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:26:04

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 865629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:26:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OC9.EHZ. 2009-05-14T18:50:01.47 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHN. 2009-05-14T18:49:54.88 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHZ. 2009-05-14T18:49:48.15 10.0 undecidable manual Sg 0 0 0
IV.ARVD.HHZ. 2009-05-14T18:49:47.15 0.6 undecidable manual Sg 1 80.8635 0.767 37
IV.CING.HHN. 2009-05-14T18:49:44.28 0.6 undecidable manual Sg 18 70.9734 0.548 41
IV.PIEI.HHE. 2009-05-14T18:49:44.63 10.0 undecidable manual Sg 0 0 0
IV.FAGN.HHZ. 2009-05-14T18:49:43.25 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHZ. 2009-05-14T18:49:42.61 0.6 undecidable manual Sg 330 63.2922 0.909 36
IV.RNI2.HHZ. 2009-05-14T18:49:41.70 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHN. 2009-05-14T18:49:41.97 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHN. 2009-05-14T18:49:41.84 10.0 undecidable manual Pg 0 0 0
IV.T0104.EHZ. 2009-05-14T18:49:40.01 0.3 undecidable manual Sg 143 56.9985 -0.007 71
IV.PIEI.HHE. 2009-05-14T18:49:40.70 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHE. 2009-05-14T18:49:40.57 0.3 undecidable manual Sg 106 58.2972 0.198 68
IV.FIAM.HHN. 2009-05-14T18:49:40.09 0.6 undecidable manual Sg 164 57.9975 -0.182 46
IV.SNTG.SHZ. 2009-05-14T18:49:39.27 0.6 undecidable manual Sg 2 53.9016 0.087 47
IV.CAMP.HHE. 2009-05-14T18:49:37.39 0.6 undecidable manual Sg 123 47.8188 -0.168 47
IV.VCEL.EHE. 2009-05-14T18:49:37.37 0.3 undecidable manual Pg 119 86.1471 0.542 60
IV.MNS.HHZ. 2009-05-14T18:49:37.31 0.6 undecidable manual Sg 204 46.7199 0.039 48
IV.GUMA.HHN. 2009-05-14T18:49:37.64 0.6 undecidable manual Sg 46 47.0196 0.28 46
IV.ARVD.HHZ. 2009-05-14T18:49:35.85 0.1 undecidable manual Pg 1 80.8635 -0.156 88
IV.CING.HHN. 2009-05-14T18:49:34.27 0.3 undecidable manual Pg 18 70.9734 -0.205 67
IV.CESX.HHE. 2009-05-14T18:49:33.33 0.6 undecidable manual Sg 237 32.6451 -0.186 48
IV.MURB.HHZ. 2009-05-14T18:49:33.42 0.1 undecidable manual Pg 330 63.2922 0.117 92
IV.FDMO.HHZ. 2009-05-14T18:49:32.97 0.1 undecidable manual Sg 25 32.745 -0.562 87
IV.FIAM.HHN. 2009-05-14T18:49:32.39 0.3 undecidable manual Pg 164 57.9975 -0.092 70
IV.T0104.EHZ. 2009-05-14T18:49:32.62 0.3 undecidable manual Pg 143 56.9985 0.285 67
IV.TERO.HHE. 2009-05-14T18:49:32.34 0.1 undecidable manual Pg 106 58.2972 -0.195 91
IV.SNTG.SHZ. 2009-05-14T18:49:31.62 0.3 undecidable manual Pg 2 53.9016 -0.236 68
IV.CESI.HHZ. 2009-05-14T18:49:31.37 0.6 undecidable manual Sg 358 26.1516 -0.041 50
IV.GUMA.HHN. 2009-05-14T18:49:30.81 0.1 undecidable manual Pg 46 47.0196 0.013 96
IV.CAMP.HHE. 2009-05-14T18:49:30.90 0.3 undecidable manual Pg 123 47.8188 -0.015 72
IV.MNS.HHZ. 2009-05-14T18:49:30.71 0.1 undecidable manual Pg 204 46.7199 -0.038 96
IV.LNSS.HHE. 2009-05-14T18:49:29.81 0.3 undecidable manual Sg 151 21.0678 0.06 75
IV.NRCA.HHZ. 2009-05-14T18:49:28.55 0.1 undecidable manual Sg 66 17.5713 -0.114 100
IV.FDMO.HHZ. 2009-05-14T18:49:28.28 0.1 undecidable manual Pg 25 32.745 -0.307 93
IV.CESX.HHE. 2009-05-14T18:49:28.39 0.1 undecidable manual Pg 237 32.6451 -0.188 95
IV.CESI.HHZ. 2009-05-14T18:49:27.39 0.1 undecidable manual Pg 358 26.1516 0.028 100
IV.LNSS.HHE. 2009-05-14T18:49:26.61 0.1 undecidable manual Pg 151 21.0678 0.203 97
IV.NRCA.HHZ. 2009-05-14T18:49:25.87 0.1 undecidable manual Pg 66 17.5713 0.091 100
IV.VAGA.HHN. 2009-05-14T18:49:08.31 10.0 undecidable manual Pg 0 0 0
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
Waveforms Seismic signals in miniseed + resp format Download