Earthquake with magnitude of ML 0.2 on date 23-04-2007 and time 02:36:23 (Italy) in region 2 km SE Cerreto di Spoleto (PG)

A magnitude ML 0.2 earthquake occured in region: 2 km SE Cerreto di Spoleto (PG), on

  • 23-04-2007 00:36:23 (UTC)
  • 23-04-2007 02:36:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 12.9340 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
Cerreto di Spoleto PG 2 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 9 1079 2518
Poggiodomo PG 11 117 2635
Sant'Anatolia di Narco PG 12 564 3199
Preci PG 12 724 3923
Cascia PG 12 3217 7140
Campello sul Clitunno PG 13 2442 9582
Norcia PG 13 4957 14539
Scheggino PG 14 461 15000
Trevi PG 17 8469 23469
Monteleone di Spoleto PG 18 599 24068
Spoleto PG 18 38218 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
65 Km W of Teramo (54892 inhabitants)
81 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 1.5
ML 0.2
2007-04-23
00:36:23
42.81 12.934 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 625819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-04-23 00:36:23 ± 0.15
Latitude 42.8100 ± 0.0054
Longitude 12.9340 ± 0.0135
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 625819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1105
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 1253.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22123
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 625819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:55:15

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 625819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:55:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.EHN. 2007-04-23T00:36:37.59 10.0 undecidable manual Sg 0 0 0
IV.LNSS.BHZ. 2007-04-23T00:36:32.16 0.3 undecidable manual Sg 159 24.5532 -0.102 74
IV.CESI.BHE. 2007-04-23T00:36:31.31 0.1 undecidable manual Sg 354 21.6672 -0.03 100
IV.NRCA.SHZ. 2007-04-23T00:36:29.07 0.1 undecidable manual Sg 80 14.874 -0.2 98
IV.LNSS.BHZ. 2007-04-23T00:36:28.37 0.1 undecidable manual Pg 159 24.5532 0.002 100
IV.NRCA.SHZ. 2007-04-23T00:36:27.04 0.1 undecidable manual Pg 80 14.874 0.399 94
IV.CESI.BHE. 2007-04-23T00:36:27.76 0.1 positive manual Pg 354 21.6672 -0.076 99
IV.ORI.EHN. 2007-04-23T00:36:22.95 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2007-04-23T00:36:17.97 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