Earthquake with magnitude of ML 1.2 on date 04-03-2017 and time 12:59:20 (Italy) in region 6 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 6 km SW Castelsantangelo sul Nera (MC), on

  • 04-03-2017 11:59:20 (UTC)
  • 04-03-2017 12:59:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.1090 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Castelsantangelo sul Nera MC 6 281 281
Preci PG 6 724 1005
Norcia PG 7 4957 5962
Visso MC 9 1107 7069
Ussita MC 11 444 7513
Sellano PG 15 1079 8592
Cerreto di Spoleto PG 16 1075 9667
Cascia PG 17 3217 12884
Arquata del Tronto AP 18 1178 14062
Monte Cavallo MC 18 145 14207
Montegallo AP 18 523 14730
Bolognola MC 19 142 14872
Montemonaco AP 19 604 15476

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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
Reviewed
Rev100
ML 1.2 2017-03-04
11:59:20
42.8533 13.1088 12 2017-03-04
12:08:25
Sala Sismica INGV-Roma 41951441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-04 11:59:20 ± 0.1
Latitude 42.8533 ± 0.0054
Longitude 13.1088 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41951441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 539
Semi-minor axis of confidence ellipse (meter) 459
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 41951441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-04 12:08:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2017-03-04T12:00:36.33 3.0 undecidable manual Sg 9.64 0
IV.CIGN.HHZ. 2017-03-04T12:00:15.44 3.0 undecidable manual Sn 3.88 0
IV.CAFI.HHZ. 2017-03-04T11:59:53.85 3.0 undecidable manual S 1.37 0
IV.INTR.HHZ. 2017-03-04T11:59:51.73 3.0 undecidable manual S -1.21 0
IV.CPGN.EHZ. 2017-03-04T11:59:42.48 3.0 undecidable manual P 2.52 0
MN.AQU.HHZ. 2017-03-04T11:59:40.05 3.0 undecidable manual S 0.76 0
IV.FOSV.EHZ. 2017-03-04T11:59:37.72 3.0 undecidable manual S -1.53 0
IV.CSP1.EHZ. 2017-03-04T11:59:30.35 0.6 undecidable manual S 16 27.5502 92 0 49
IV.T1215.EHZ. 2017-03-04T11:59:28.56 0.3 undecidable manual S 254 20.3685 93 0.13 73
IV.MMO1.EHZ. 2017-03-04T11:59:27.71 0.3 undecidable manual S 74 18.4704 95 -0.2 72
IV.T1212.EHZ. 2017-03-04T11:59:26.22 0.3 undecidable manual S 205 12.4764 111 -0.13 74
IV.FDMO.HHZ. 2017-03-04T11:59:25.15 0.3 undecidable manual P 355 20.3685 93 0.06 74
IV.MC2.EHZ. 2017-03-04T11:59:25.77 0.3 undecidable manual S 45 9.1797 127 0.19 74
IV.CSP1.EHZ. 2017-03-04T11:59:25.71 0.6 undecidable manual P 16 27.5502 92 -0.49 45
IV.T1215.EHZ. 2017-03-04T11:59:25.08 0.1 undecidable manual P 254 20.3685 93 -0.01 100
IV.T1245.HHZ. 2017-03-04T11:59:24.93 0.1 undecidable manual S 87 6.4935 141 -0.13 99
IV.T1216.EHZ. 2017-03-04T11:59:24.99 0.6 undecidable manual S 300 8.3805 131 -0.44 46
IV.MMO1.EHZ. 2017-03-04T11:59:24.75 0.3 undecidable manual P 74 18.4704 95 -0.04 75
IV.MC2.EHZ. 2017-03-04T11:59:23.74 0.3 undecidable manual P 45 9.1797 127 0.29 72
IV.T1212.EHZ. 2017-03-04T11:59:23.96 0.1 undecidable manual P 205 12.4764 111 0.07 100
IV.T1245.HHZ. 2017-03-04T11:59:23.26 0.1 undecidable manual P 87 6.4935 141 0.12 100
IV.T1216.EHZ. 2017-03-04T11:59:23.47 0.1 undecidable manual P 300 8.3805 131 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1212.EHE. ML:1.0 0.00009957723 0.2368 AML other m 2017-03-04T11:59:26.40
IV.T1212.EHN. ML:1.3 0.0001888317 0.1088 AML other m 2017-03-04T11:59:26.35
IV.T1216.EHN. ML:1.2 0.00021249999999999996 0.1 AML other m 2017-03-04T11:59:25.46
IV.T1216.EHE. ML:1.0 0.00011375 1.06 AML other m 2017-03-04T11:59:25.26
IV.T1245.HHE. ML:1.3 0.000254 0.12 AML other m 2017-03-04T11:59:25.49
IV.T1245.HHN. ML:1.3 0.00025550000000000003 0.7 AML other m 2017-03-04T11:59:25.60
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