Earthquake with magnitude of ML 0.7 on date 30-09-2020 and time 13:35:55 (UTC) in region 8 km SW Serravalle di Chienti (MC)

A magnitude ML 0.7 earthquake occured in region: 8 km SW Serravalle di Chienti (MC), on

  • 30-09-2020 13:35:55 (UTC)
  • 30-09-2020 15:35:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 12.8940 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 8 1070 1070
Monte Cavallo MC 9 145 1215
Valtopina PG 12 1398 2613
Pieve Torina MC 13 1458 4071
Nocera Umbra PG 14 5839 9910
Sellano PG 14 1079 10989
Muccia MC 15 915 11904
Sefro MC 16 422 12326
Fiordimonte MC 16 202 12528
Pievebovigliana MC 17 866 13394
Foligno PG 17 57155 70549
Spello PG 18 8645 79194
Visso MC 18 1107 80301
Preci PG 19 724 81025
Trevi PG 19 8469 89494
Camerino MC 20 6974 96468
Fiuminata MC 20 1402 97870
Pioraco MC 20 1134 99004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
93 Km S of Fano (60888 inhabitants)
96 Km SE of Arezzo (99543 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 0.7 2020-09-30
13:35:55
43.0128 12.8935 11 2020-09-30
13:43:06
Sala Sismica INGV-Roma 83388991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-30 13:35:55 ± 0.07
Latitude 43.0128 ± 0.0063
Longitude 12.8935 ± 0.0037
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 83388991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 728
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.01169
Epicentral distance of station farthest from the epicenter (degree) 0.25271
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 83388991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-30 13:43:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-09-30T13:36:05.38 0.3 undecidable manual S 313 28.0497 50 0.14 71
IV.SNTG.HHZ. 2020-09-30T13:36:04.95 0.3 undecidable manual S 8 27.1506 50 -0.04 72
IV.CSP1.EHZ. 2020-09-30T13:36:04.90 0.3 undecidable manual S 71 26.751 50 0.02 73
IV.FDMO.HHZ. 2020-09-30T13:36:01.94 0.3 undecidable manual S 80 15.9729 124 0.02 74
IV.ATCC.EHZ. 2020-09-30T13:36:00.81 0.3 negative manual P 313 28.0497 50 -0.2 70
IV.SNTG.HHZ. 2020-09-30T13:36:00.95 1.0 undecidable manual P 8 27.1506 50 0.08 24
IV.CSP1.EHZ. 2020-09-30T13:36:00.80 0.3 positive manual P 71 26.751 50 0 73
IV.FDMO.HHZ. 2020-09-30T13:35:59.07 0.3 positive manual P 80 15.9729 124 -0.02 74
IV.CESI.HHZ. 2020-09-30T13:35:58.97 0.3 undecidable manual S 134 1.2987 173 -0.05 75
IV.CESI.HHZ. 2020-09-30T13:35:57.50 0.1 undecidable manual P 134 1.2987 173 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.7 0.000093 0.48 AML other m 2020-09-30T13:35:59.38
IV.CESI.HHN. ML:0.8 0.000118 0.28 AML other m 2020-09-30T13:35:59.18
IV.FDMO.HHN. ML:0.6 0.0000347 0.4 AML other m 2020-09-30T13:36:02.48
IV.FDMO.HHE. ML:0.6 0.000036099999999999997 0.18 AML other m 2020-09-30T13:36:02.76
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