Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 26-10-2016 and time 07:27:26 (Italy) in region 2 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.2 earthquake occured in region: 2 km SE Castelsantangelo sul Nera (MC), on

  • 26-10-2016 05:27:26 (UTC)
  • 26-10-2016 07:27:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 13.1640 at 7 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
Castelsantangelo sul Nera MC 2 281 281
Ussita MC 7 444 725
Visso MC 8 1107 1832
Preci PG 10 724 2556
Norcia PG 11 4957 7513
Montemonaco AP 14 604 8117
Bolognola MC 14 142 8259
Montegallo AP 15 523 8782
Montefortino FM 16 1178 9960
Arquata del Tronto AP 16 1178 11138
Acquacanina MC 17 121 11259
Fiastra MC 17 559 11818
Monte Cavallo MC 18 145 11963
Fiordimonte MC 18 202 12165
Amandola FM 19 3629 15794
Sellano PG 19 1079 16873

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 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 		ML 0.2 2016-10-26
05:27:26		 42.8818 13.1643 7 2019-02-12
14:01:19		 Bollettino Sismico Italiano INGV 41366391
Reviewed
Rev100 		ML 0.8 2016-10-26
05:27:26		 42.8778 13.1673 7 2016-10-26
05:37:50		 Sala Sismica INGV-Roma 30556091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-26 05:27:26 ± 0.15
Latitude 42.8818 ± 0.0054
Longitude 13.1643 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 41366391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.23113
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 41366391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-02-20 08:38:31

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 30556091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-26 05:37:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1215.EHZ. 2016-10-26T05:27:36.00 0.6 undecidable manual S 250 25.6521 105 -0.08 48
IV.T1241.HNN. 2016-10-26T05:27:34.20 0.6 undecidable manual S 97 21.867 107 -0.62 42
IV.FDMO.HHZ. 2016-10-26T05:27:33.50 0.6 undecidable manual S 340 18.2706 110 -0.13 48
IV.T1215.EHZ. 2016-10-26T05:27:32.10 0.6 undecidable manual P 250 25.6521 105 -0.09 48
IV.T1241.HNN. 2016-10-26T05:27:32.05 0.6 undecidable manual P 97 21.867 107 0.59 43
IV.MMO1.EHZ. 2016-10-26T05:27:32.10 0.6 undecidable manual S 82 13.3755 117 0.03 50
IV.CESI.HHZ. 2016-10-26T05:27:31.76 0.6 undecidable manual P 303 25.1526 105 -0.33 46
IV.FDMO.HHZ. 2016-10-26T05:27:31.05 0.6 undecidable manual P 340 18.2706 110 0.28 47
IV.NRCA.HHZ. 2016-10-26T05:27:30.30 0.6 undecidable manual S 217 6.6933 135 0.12 49
IV.T1245.HHZ. 2016-10-26T05:27:29.40 0.6 undecidable manual S 146 3.3966 153 -0.1 50
IV.MC2.EHZ. 2016-10-26T05:27:29.60 0.6 undecidable manual S 31 3.8961 150 0.03 51
IV.MMO1.EHZ. 2016-10-26T05:27:29.94 0.6 undecidable manual P 82 13.3755 117 0.07 49
IV.T1245.HHZ. 2016-10-26T05:27:28.35 0.3 undecidable manual P 146 3.3966 153 -0.04 76
IV.NRCA.HHZ. 2016-10-26T05:27:28.85 0.1 positive manual P 217 6.6933 135 0.06 100
IV.MC2.EHZ. 2016-10-26T05:27:28.51 0.1 positive manual P 31 3.8961 150 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.2 0.0000138352045 0.1376 AML other m 2016-10-26T05:27:35.48
IV.FDMO.HHN. ML:0.2 0.000016269744999999997 0.2208 AML other m 2016-10-26T05:27:35.51
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