Earthquake with magnitude of ML 0.3 on date 13-08-2021 and time 03:14:45 (Italy) in region 4 km E Serravalle di Chienti (MC)

A magnitude ML 0.3 earthquake occured in region: 4 km E Serravalle di Chienti (MC), on

  • 13-08-2021 01:14:45 (UTC)
  • 13-08-2021 03:14:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.058, 12.998 at 11 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
Serravalle di Chienti MC 4 1070 1070
Pieve Torina MC 5 1458 2528
Muccia MC 5 915 3443
Monte Cavallo MC 7 145 3588
Pievebovigliana MC 7 866 4454
Fiordimonte MC 8 202 4656
Camerino MC 11 6974 11630
Sefro MC 11 422 12052
Fiastra MC 13 559 12611
Pioraco MC 14 1134 13745
Acquacanina MC 15 121 13866
Fiuminata MC 16 1402 15268
Visso MC 16 1107 16375
Ussita MC 17 444 16819
Castelraimondo MC 18 4587 21406
Nocera Umbra PG 18 5839 27245
Sellano PG 20 1079 28324
Valtopina PG 20 1398 29722
Bolognola MC 20 142 29864
Preci PG 20 724 30588

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
95 Km S of Pesaro (94582 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.3 2021-08-13
01:14:45
43.0578 12.9978 11 2021-08-13
01:19:33
Sala Sismica INGV-Roma 94047601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-13 01:14:45 ± 0.05
Latitude 43.0578 ± 0.0018
Longitude 12.9978 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94047601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 186
Semi-minor axis of confidence ellipse (meter) 87
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.15468
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 94047601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-13 01:19:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2021-08-13T01:15:01.19 3.0 negative manual P 0.79 0
IV.NARO.HHZ. 2021-08-13T01:14:58.01 3.0 undecidable manual P -0.74 0
IV.MNTT.EHZ. 2021-08-13T01:14:56.12 3.0 negative manual P -0.1 0
IV.CSP1.EHZ. 2021-08-13T01:14:52.58 0.3 undecidable manual S 77 0.1547 95 0.04 73
IT.MTCL.HGZ. 2021-08-13T01:14:50.07 0.3 undecidable manual S 179 0.0639 137 -0.05 74
IV.MML1.EHZ. 2021-08-13T01:14:50.03 0.3 undecidable manual S 341 0.0585 140 0.01 75
IV.FDMO.HHZ. 2021-08-13T01:14:50.25 0.3 undecidable manual S 108 0.0683 134 0.03 75
IV.CESI.HHZ. 2021-08-13T01:14:50.65 0.3 undecidable manual S 232 0.0863 124 0.03 74
IV.CSP1.EHZ. 2021-08-13T01:14:49.48 0.3 undecidable manual P 77 0.1547 95 -0.08 73
IV.CESI.HHZ. 2021-08-13T01:14:48.47 0.6 undecidable manual P 232 0.0863 124 0.02 49
IT.MTCL.HGZ. 2021-08-13T01:14:48.16 0.1 undecidable manual P 179 0.0639 137 0 100
IV.MML1.EHZ. 2021-08-13T01:14:48.06 0.3 undecidable manual P 341 0.0585 140 -0.05 75
IV.FDMO.HHZ. 2021-08-13T01:14:48.26 0.1 undecidable manual P 108 0.0683 134 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.2 2.215E-5 0.1 AML other m 2021-08-13T01:14:50.44
IV.FDMO.HHE. ML:0.2 1.8E-5 0.1 AML other m 2021-08-13T01:14:50.54
IV.CESI.HHN. ML:0.6 4.435E-5 0.26 AML other m 2021-08-13T01:14:50.72
IV.CESI.HHE. ML:0.8 7.46E-5 0.12 AML other m 2021-08-13T01:14:50.77
IV.MML1.EHE. ML:0.2 1.8603565E-5 0.14 AML other m 2021-08-13T01:14:50.11
IV.MML1.EHN. ML:0 1.528729E-5 0.1 AML other m 2021-08-13T01:14:50.42
IV.CSP1.EHE. ML:0.3 1.2687939E-5 0.12 AML other m 2021-08-13T01:14:53.05
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