Earthquake with magnitude of ML 0.7 on date 30-03-2012 and time 00:23:41 (Italy) in region 4 km W Cerreto di Spoleto (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km W Cerreto di Spoleto (PG), on

  • 29-03-2012 22:23:41 (UTC)
  • 30-03-2012 00:23:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8190, 12.8740 at 8 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
Cerreto di Spoleto PG 4 1075 1075
Vallo di Nera PG 6 364 1439
Campello sul Clitunno PG 8 2442 3881
Sellano PG 9 1079 4960
Sant'Anatolia di Narco PG 10 564 5524
Scheggino PG 12 461 5985
Trevi PG 12 8469 14454
Poggiodomo PG 13 117 14571
Spoleto PG 14 38218 52789
Preci PG 15 724 53513
Cascia PG 16 3217 56730
Castel Ritaldi PG 16 3278 60008
Norcia PG 18 4957 64965
Monteleone di Spoleto PG 20 599 65564
Montefalco PG 20 5679 71243

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
70 Km W of Teramo (54892 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 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 1.4
ML 0.7
2012-03-29
22:23:41
42.819 12.874 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1354299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-29 22:23:41 ± 0.07
Latitude 42.8190 ± 0.0018
Longitude 12.8740 ± 0.0049
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1354299

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 421
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 447.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 6
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1354299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:02:41

Md:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1354299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:02:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHE. 2012-03-29T22:23:59.97 10.0 undecidable manual Sg 0 0 0
IV.LNSS.HHZ. 2012-03-29T22:23:51.63 0.1 undecidable manual Sg 150 27.4503 -0.057 98
IV.FDMO.HHE. 2012-03-29T22:23:50.69 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHE. 2012-03-29T22:23:49.09 0.1 undecidable manual Sg 85 19.5693 -0.004 100
IV.CESI.HHE. 2012-03-29T22:23:49.39 0.1 undecidable manual Sg 7 20.868 -0.104 98
IV.LNSS.HHZ. 2012-03-29T22:23:47.50 0.1 undecidable manual Pg 150 27.4503 0.008 99
IV.FDMO.HHE. 2012-03-29T22:23:46.52 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2012-03-29T22:23:46.06 0.1 undecidable manual Pg 85 19.5693 0.067 99
IV.CESI.HHE. 2012-03-29T22:23:46.32 0.1 undecidable manual Pg 7 20.868 0.095 98
IV.T0715.EHE. 2012-03-29T22:23:35.97 10.0 undecidable manual Sg 0 0 0
IV.T0715.EHE. 2012-03-29T22:23:33.29 10.0 undecidable manual Pg 0 0 0
MN.CLTB.HHE. 2012-03-29T22:23:28.25 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2012-03-29T22:23:26.67 10.0 undecidable manual Pg 0 0 0
IV.LAV9.HHE. 2012-03-29T22:23:13.80 10.0 undecidable manual Pg 0 0 0
IV.PTF.SHZ. 2012-03-29T22:23:09.73 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