Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-02-2017 and time 10:25:26 (Italy) in region 2 km SE Fiordimonte (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km SE Fiordimonte (MC), on

  • 26-02-2017 09:25:26 (UTC)
  • 26-02-2017 10:25:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0230, 13.1000 at 3 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fiordimonte MC 2 202 202
Pieve Torina MC 5 1458 1660
Pievebovigliana MC 5 866 2526
Fiastra MC 5 559 3085
Acquacanina MC 6 121 3206
Muccia MC 8 915 4121
Monte Cavallo MC 9 145 4266
Ussita MC 9 444 4710
Visso MC 10 1107 5817
Bolognola MC 11 142 5959
Camerino MC 13 6974 12933
Serravalle di Chienti MC 13 1070 14003
Castelsantangelo sul Nera MC 15 281 14284
Cessapalombo MC 16 512 14796
Sarnano MC 16 3264 18060
Caldarola MC 17 1823 19883
Preci PG 17 724 20607
Camporotondo di Fiastrone MC 18 563 21170
Sefro MC 18 422 21592
Serrapetrona MC 19 966 22558
Belforte del Chienti MC 19 1886 24444
Pioraco MC 20 1134 25578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 1.1 2017-02-26
09:25:26		 43.0228 13.1005 3 2017-02-26
09:35:11		 Sala Sismica INGV-Roma 41647911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-26 09:25:26 ± 0.13
Latitude 43.0228 ± 0.0045
Longitude 13.1005 ± 0.0062
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41647911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 41647911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-26 09:35:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2017-02-26T09:25:38.90 0.6 undecidable manual S 274 35.9418 95 -0.17 48
IV.ASSB.HHZ. 2017-02-26T09:25:33.71 0.1 undecidable manual P 274 35.9418 95 -0.08 98
IV.T1216.EHZ. 2017-02-26T09:25:32.56 0.6 undecidable manual S 204 16.0728 100 0.31 48
IV.MC2.EHZ. 2017-02-26T09:25:31.88 0.6 undecidable manual S 150 14.2746 102 0.24 49
IV.T1219.EHZ. 2017-02-26T09:25:30.05 0.6 undecidable manual S 295 8.5803 109 0.33 49
IV.T1220.EHZ. 2017-02-26T09:25:30.74 0.6 undecidable manual S 354 9.7791 107 0.64 44
IV.CSP1.EHZ. 2017-02-26T09:25:30.73 0.6 undecidable manual S 48 11.3775 104 0.07 51
IV.MC2.EHZ. 2017-02-26T09:25:29.19 1.0 negative manual P 150 14.2746 102 -0.31 24
IV.T1216.EHZ. 2017-02-26T09:25:29.75 1.0 negative manual P 204 16.0728 100 -0.1 25
IV.CSP1.EHZ. 2017-02-26T09:25:28.72 0.6 positive manual P 48 11.3775 104 -0.22 50
IV.T1219.EHZ. 2017-02-26T09:25:28.31 0.6 negative manual P 295 8.5803 109 -0.08 51
IV.T1220.EHZ. 2017-02-26T09:25:28.47 0.6 negative manual P 354 9.7791 107 -0.14 51
IV.FDMO.HHZ. 2017-02-26T09:25:27.75 0.6 undecidable manual S 325 1.8981 147 -0.02 52
IV.FDMO.HHZ. 2017-02-26T09:25:27.01 0.1 undecidable manual P 325 1.8981 147 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.9 0.00003601204 1.28 AML other m 2017-02-26T09:25:36.79
IV.ASSB.HHN. ML:0.6 0.000014404331500000001 0.2624 AML other m 2017-02-26T09:25:38.90
IV.CSP1.EHE. ML:0.5 0.000055390368499999995 0.1408 AML other m 2017-02-26T09:25:30.87
IV.CSP1.EHN. ML:0.8 0.00009453009000000001 0.1408 AML other m 2017-02-26T09:25:30.83
IV.FDMO.HHN. ML:0.0 0.0002379843 0.1216 AML other m 2017-02-26T09:25:27.84
IV.FDMO.HHE. ML:0.0 0.000298407 0.1984 AML other m 2017-02-26T09:25:28.02
IV.T1216.EHN. ML:0.5 0.000035634675000000005 0.224 AML other m 2017-02-26T09:25:34.61
IV.T1216.EHE. ML:0.5 0.00003482312 0.224 AML other m 2017-02-26T09:25:32.64
IV.T1218.EHN. ML:1.3 0.00007284234500000001 0.16 AML other m 2017-02-26T09:25:42.51
IV.T1218.HNN. ML:1.4 0.00009995408999999999 0.96 AML other m 2017-02-26T09:25:51.85
IV.T1218.HNE. ML:1.3 0.000075902705 0.6272 AML other m 2017-02-26T09:25:56.73
IV.T1218.EHE. ML:1.2 0.00005535546 0.128 AML other m 2017-02-26T09:25:43.08
IV.T1219.EHE. ML:0.0 0.000067978235 0.192 AML other m 2017-02-26T09:25:30.26
IV.T1219.EHN. ML:0.0 0.00013253602 0.2688 AML other m 2017-02-26T09:25:30.23
IV.T1219.HNN. ML:0.0 0.00013581895 0.256 AML other m 2017-02-26T09:25:30.23
IV.T1219.HNE. ML:0.0 0.00007668604 0.1728 AML other m 2017-02-26T09:25:30.18
IV.T1220.EHN. ML:1.3 0.00035146239999999995 0.3072 AML other m 2017-02-26T09:25:31.86
IV.T1220.HNE. ML:2.4 0.004492738499999999 0.864 AML other m 2017-02-26T09:25:29.42
IV.T1220.HNN. ML:1.3 0.00039181385000000004 0.32 AML other m 2017-02-26T09:25:31.85
IV.T1220.EHE. ML:1.3 0.0003570291 0.3968 AML other m 2017-02-26T09:25:32.30
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