Earthquake with magnitude of ML 0.3 on date 21-03-2017 and time 07:38:48 (UTC) in region 4 km SW Fiastra (MC)

A magnitude ML 0.3 earthquake occured in region: 4 km SW Fiastra (MC), on

  • 21-03-2017 07:38:48 (UTC)
  • 21-03-2017 08:38:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0030, 13.1290 at 4 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
Fiastra MC 4 559 559
Acquacanina MC 5 121 680
Fiordimonte MC 5 202 882
Ussita MC 7 444 1326
Pievebovigliana MC 8 866 2192
Pieve Torina MC 8 1458 3650
Bolognola MC 8 142 3792
Visso MC 9 1107 4899
Monte Cavallo MC 10 145 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 12 281 6240
Sarnano MC 15 3264 9504
Preci PG 16 724 10228
Camerino MC 16 6974 17202
Cessapalombo MC 16 512 17714
Serravalle di Chienti MC 16 1070 18784
Caldarola MC 17 1823 20607
Camporotondo di Fiastrone MC 18 563 21170
Montefortino FM 19 1178 22348
Gualdo MC 19 815 23163
Amandola FM 19 3629 26792
San Ginesio MC 19 3498 30290
Montemonaco AP 20 604 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
94 Km S of Fano (60888 inhabitants)
100 Km NW of Montesilvano (53738 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 0.3 2017-03-21
07:38:48
43.003 13.1287 4 2017-03-21
07:52:34
Sala Sismica INGV-Roma 42728201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-21 07:38:48 ± 0.14
Latitude 43.0030 ± 0.0027
Longitude 13.1287 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42728201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 68
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.17807
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 42728201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-21 07:52:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.HNN. 2017-03-21T07:38:55.44 0.6 undecidable manual S 125 19.7691 101 -0.41 46
IV.CSP1.EHZ. 2017-03-21T07:38:53.36 0.6 undecidable manual S 32 11.5773 109 0.25 48
IV.T1220.EHZ. 2017-03-21T07:38:53.59 0.6 undecidable manual S 345 12.2766 108 0.26 48
IV.MMO1.HNN. 2017-03-21T07:38:53.25 0.6 undecidable manual P 125 19.7691 101 0.36 46
IV.MC2.EHZ. 2017-03-21T07:38:53.11 0.6 undecidable manual S 154 11.2776 109 0.12 50
IV.T1219.EHZ. 2017-03-21T07:38:53.18 0.3 undecidable manual S 300 11.6772 109 0.07 75
IV.FEMA.HNZ. 2017-03-21T07:38:52.05 0.6 undecidable manual S 235 7.881 117 0.16 50
IV.MC2.EHZ. 2017-03-21T07:38:51.40 0.6 undecidable manual P 154 11.2776 109 0.16 49
IV.T1219.EHZ. 2017-03-21T07:38:51.16 0.3 undecidable manual P 300 11.6772 109 -0.15 74
IV.CSP1.EHZ. 2017-03-21T07:38:51.24 0.6 negative manual P 32 11.5773 109 -0.07 50
IV.T1220.EHZ. 2017-03-21T07:38:51.35 0.6 undecidable manual P 345 12.2766 108 -0.09 50
IV.T1256.HNZ. 2017-03-21T07:38:51.98 0.3 undecidable manual S 87 7.881 117 0.07 76
IV.T1256.HNZ. 2017-03-21T07:38:50.46 0.1 undecidable manual P 87 7.881 117 -0.16 99
IV.FDMO.HHZ. 2017-03-21T07:38:50.90 0.6 undecidable manual S 318 4.995 128 -0.16 50
IV.FEMA.HNZ. 2017-03-21T07:38:50.60 0.6 undecidable manual P 235 7.881 117 -0.01 51
IV.FDMO.HHZ. 2017-03-21T07:38:49.99 0.1 undecidable manual P 318 4.995 128 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:0.1 0.000021606360999999997 0.2368 AML other m 2017-03-21T07:38:54.76
IV.CSP1.EHE. ML:0.3 0.000028183929999999995 0.16 AML other m 2017-03-21T07:38:53.50
IV.FDMO.HHE. ML:0.0 0.00006320223499999999 0.2176 AML other m 2017-03-21T07:38:51.40
IV.FDMO.HHN. ML:0.0 0.000076671975 0.2432 AML other m 2017-03-21T07:38:51.37
IV.T1219.EHE. ML:0.1 0.000019369765 0.1088 AML other m 2017-03-21T07:38:54.27
IV.T1219.EHN. ML:0.4 0.000038512014999999994 0.2752 AML other m 2017-03-21T07:38:53.25
IV.T1219.HNN. ML:0.6 0.00005540312 0.7552 AML other m 2017-03-21T07:38:53.60
IV.T1256.HHN. ML:0.0 0.000049246705000000004 0.1408 AML other m 2017-03-21T07:38:52.26
IV.T1256.HHE. ML:0.0 0.000045372375 0.1408 AML other m 2017-03-21T07:38:52.15
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