Earthquake with magnitude of ML 0.9 on date 13-08-2020 and time 19:58:44 (UTC) in region 4 km W Caldarola (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Caldarola (MC), on

  • 13-08-2020 19:58:44 (UTC)
  • 13-08-2020 21:58:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1290, 13.1850 at 14 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
Caldarola MC 4 1823 1823
Serrapetrona MC 5 966 2789
Belforte del Chienti MC 6 1886 4675
Cessapalombo MC 6 512 5187
Camporotondo di Fiastrone MC 7 563 5750
Camerino MC 10 6974 12724
Fiastra MC 11 559 13283
Pievebovigliana MC 11 866 14149
Acquacanina MC 11 121 14270
San Ginesio MC 11 3498 17768
San Severino Marche MC 11 12726 30494
Tolentino MC 12 20069 50563
Muccia MC 13 915 51478
Fiordimonte MC 13 202 51680
Castelraimondo MC 14 4587 56267
Sarnano MC 14 3264 59531
Gualdo MC 14 815 60346
Pieve Torina MC 14 1458 61804
Colmurano MC 15 1263 63067
Ripe San Ginesio MC 15 852 63919
Bolognola MC 15 142 64061
Gagliole MC 16 620 64681
Pioraco MC 17 1134 65815
Urbisaglia MC 17 2628 68443
Sant'Angelo in Pontano MC 18 1436 69879
Sefro MC 19 422 70301
Loro Piceno MC 19 2401 72702
Serravalle di Chienti MC 20 1070 73772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
65 Km E of Perugia (166134 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
77 Km NE of Terni (111501 inhabitants)
81 Km S of Fano (60888 inhabitants)
88 Km N of L'Aquila (69753 inhabitants)
90 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 0.9 2020-08-13
19:58:44
43.1293 13.1847 14 2020-08-13
20:10:43
Sala Sismica INGV-Roma 81951501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-13 19:58:44 ± 0.07
Latitude 43.1293 ± 0.0027
Longitude 13.1847 ± 0.0074
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81951501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.30037
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:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81951501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-13 20:10:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-08-13T19:58:56.16 0.3 undecidable manual S 190 33.3444 98 0.03 72
IV.MMO1.EHZ. 2020-08-13T19:58:54.75 0.3 undecidable manual S 156 27.9498 100 0.03 72
IV.EL6.EHZ. 2020-08-13T19:58:53.68 0.3 undecidable manual S 343 23.1546 104 0.21 70
IV.MC2.EHZ. 2020-08-13T19:58:53.87 0.3 undecidable manual S 179 24.1536 103 0.14 71
IV.GUMA.HHE. 2020-08-13T19:58:51.62 0.6 undecidable manual S 121 14.2746 121 0.36 45
IV.NRCA.HHZ. 2020-08-13T19:58:51.12 0.1 undecidable manual P 190 33.3444 98 -0.19 92
IV.FDMO.HHZ. 2020-08-13T19:58:50.92 0.3 undecidable manual S 217 12.9759 125 -0.05 73
IV.MMO1.EHZ. 2020-08-13T19:58:50.41 0.1 undecidable manual P 156 27.9498 100 -0.09 96
IV.PF6.EHE. 2020-08-13T19:58:49.13 0.3 undecidable manual S 39 1.1988 174 -0.19 73
IV.EL6.EHZ. 2020-08-13T19:58:49.76 0.1 undecidable manual P 343 23.1546 104 -0.02 98
IV.MC2.EHZ. 2020-08-13T19:58:49.97 0.1 undecidable manual P 179 24.1536 103 0.05 97
IV.FDMO.HHZ. 2020-08-13T19:58:48.43 0.1 undecidable manual P 217 12.9759 125 0.1 98
IV.GUMA.HHE. 2020-08-13T19:58:48.04 0.6 undecidable manual P 121 14.2746 121 -0.46 46
IV.PF6.EHE. 2020-08-13T19:58:47.45 0.1 undecidable manual P 39 1.1988 174 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.00013350000000000002 0.1 AML other m 2020-08-13T19:58:51.07
IV.FDMO.HHN. ML:1.0 0.0000862 0.1 AML other m 2020-08-13T19:58:51.11
IV.NRCA.HHE. ML:0.8 0.00002525 0.5 AML other m 2020-08-13T19:58:57.53
IV.NRCA.HHN. ML:0.7 0.0000195 0.56 AML other m 2020-08-13T19:58:57.94
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