Earthquake with magnitude of ML 1.1 on date 17-03-2021 and time 11:28:30 (Italy) in region 4 km SE Pioraco (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Pioraco (MC), on

  • 17-03-2021 10:28:30 (UTC)
  • 17-03-2021 11:28:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1500, 13.0050 at 16 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
Pioraco MC 4 1134 1134
Sefro MC 5 422 1556
Camerino MC 5 6974 8530
Fiuminata MC 7 1402 9932
Muccia MC 8 915 10847
Castelraimondo MC 8 4587 15434
Serravalle di Chienti MC 10 1070 16504
Gagliole MC 11 620 17124
Pievebovigliana MC 12 866 17990
Matelica MC 12 9981 27971
Pieve Torina MC 12 1458 29429
Esanatoglia MC 12 2034 31463
Fiordimonte MC 14 202 31665
Serrapetrona MC 15 966 32631
San Severino Marche MC 17 12726 45357
Monte Cavallo MC 17 145 45502
Fiastra MC 18 559 46061
Nocera Umbra PG 18 5839 51900
Caldarola MC 18 1823 53723
Belforte del Chienti MC 19 1886 55609
Acquacanina MC 19 121 55730
Cerreto d'Esi AN 19 3817 59547

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
72 Km NE of Terni (111501 inhabitants)
77 Km S of Fano (60888 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
97 Km E of Arezzo (99543 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 2021-03-17
10:28:30
43.1497 13.005 16 2021-03-17
10:47:11
Sala Sismica INGV-Roma 88212881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-17 10:28:30 ± 0.09
Latitude 43.1497 ± 0.0027
Longitude 13.0050 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88212881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 346
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 88212881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-17 10:47:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-03-17T10:28:44.33 3.0 undecidable manual S -3.7 0
IV.ATCC.EHZ. 2021-03-17T10:28:41.10 0.3 undecidable manual S 278 29.748 104 0.32 69
IV.ATMI.HHZ. 2021-03-17T10:28:39.85 3.0 positive manual P -2.02 0
IV.EL6.EHZ. 2021-03-17T10:28:38.60 0.3 undecidable manual S 21 21.3675 113 -0.05 73
IV.CSP1.EHZ. 2021-03-17T10:28:37.82 0.3 undecidable manual S 112 17.3715 120 0.12 70
IV.CESI.HHZ. 2021-03-17T10:28:37.92 0.3 undecidable manual S 207 17.9709 119 0.08 73
IV.FDMO.HHZ. 2021-03-17T10:28:36.84 0.3 undecidable manual S 152 14.1747 128 -0.16 73
IV.ATCC.EHZ. 2021-03-17T10:28:36.40 0.1 undecidable manual P 278 29.748 104 0.09 96
IV.ASSB.HHZ. 2021-03-17T10:28:36.20 0.3 undecidable manual P 247 30.4473 104 -0.21 68
IV.EL6.EHZ. 2021-03-17T10:28:35.09 0.3 undecidable manual P 21 21.3675 113 0 73
IV.FOSV.EHZ. 2021-03-17T10:28:35.44 0.6 undecidable manual P 309 25.4523 108 -0.23 46
IV.FDMO.HHZ. 2021-03-17T10:28:34.06 0.1 undecidable manual P 152 14.1747 128 -0.07 99
IT.MTCL.HGE. 2021-03-17T10:28:34.40 0.3 undecidable manual P 181 17.2716 121 -0.12 72
IV.CSP1.EHZ. 2021-03-17T10:28:34.61 0.3 undecidable manual P 112 17.3715 120 0.07 72
IV.CESI.HHZ. 2021-03-17T10:28:34.70 0.1 undecidable manual P 207 17.9709 119 0.08 97
IV.MDAR.HNE. 2021-03-17T10:28:33.94 0.6 undecidable manual P 67 12.0768 134 0.06 48
IV.MML1.HNN. 2021-03-17T10:28:33.21 0.1 undecidable manual P 214 4.7952 159 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.00007225000000000001 0.18 AML other m 2021-03-17T10:28:37.08
IV.FDMO.HHN. ML:1.2 0.000114 0.16 AML other m 2021-03-17T10:28:37.18
IV.CSP1.EHE. ML:1.3 0.0001516943 0.1792 AML other m 2021-03-17T10:28:37.89
IV.CESI.HHN. ML:1.3 0.00012859999999999998 0.32 AML other m 2021-03-17T10:28:38.06
IV.CESI.HHE. ML:1.2 0.00010700000000000001 0.12 AML other m 2021-03-17T10:28:38.07
IV.CSP1.EHN. ML:1.6 0.000306 0.22 AML other m 2021-03-17T10:28:38.49
IV.EL6.EHE. ML:1.0 0.00006422449 0.16 AML other m 2021-03-17T10:28:38.87
IV.EL6.EHN. ML:0.9 0.00005111002 0.3008 AML other m 2021-03-17T10:28:39.66
IV.ATCC.EHE. ML:0.8 0.000025320537500000002 0.2816 AML other m 2021-03-17T10:28:41.14
IV.ATCC.EHN. ML:0.8 0.00003170005 0.16 AML other m 2021-03-17T10:28:41.14
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