Earthquake with magnitude of ML 0.9 on date 21-04-2020 and time 22:05:13 (Italy) in region 2 km SW Castelraimondo (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km SW Castelraimondo (MC), on

  • 21-04-2020 20:05:13 (UTC)
  • 21-04-2020 22:05:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1950, 13.0490 at 13 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
Castelraimondo MC 2 4587 4587
Gagliole MC 5 620 5207
Pioraco MC 5 1134 6341
Camerino MC 7 6974 13315
Matelica MC 8 9981 23296
Fiuminata MC 10 1402 24698
Sefro MC 10 422 25120
Esanatoglia MC 10 2034 27154
San Severino Marche MC 11 12726 39880
Serrapetrona MC 12 966 40846
Muccia MC 13 915 41761
Cerreto d'Esi AN 15 3817 45578
Pievebovigliana MC 15 866 46444
Caldarola MC 16 1823 48267
Belforte del Chienti MC 16 1886 50153
Serravalle di Chienti MC 16 1070 51223
Pieve Torina MC 17 1458 52681
Fiordimonte MC 18 202 52883
Camporotondo di Fiastrone MC 19 563 53446
Tolentino MC 19 20069 73515
Cessapalombo MC 20 512 74027
Fabriano AN 20 31480 105507
Fiastra MC 20 559 106066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
72 Km S of Fano (60888 inhabitants)
78 Km NE of Terni (111501 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
80 Km S of Pesaro (94582 inhabitants)
98 Km NW of L'Aquila (69753 inhabitants)
99 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 0.9 2020-04-21
20:05:13
43.1953 13.0492 13 2020-04-21
20:22:21
Sala Sismica INGV-Roma 78449501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-21 20:05:13 ± 0.11
Latitude 43.1953 ± 0.0018
Longitude 13.0492 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78449501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16098
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 78449501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-21 20:22:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2020-04-21T20:05:41.94 3.0 undecidable manual P 5.39 0
IV.NRCA.HHZ. 2020-04-21T20:05:25.35 3.0 undecidable manual S -0.07 0
IV.NARO.HHZ. 2020-04-21T20:05:23.80 3.0 undecidable manual P 0.04 0
IV.PIEI.HHZ. 2020-04-21T20:05:22.94 3.0 undecidable manual P -0.03 0
IV.CSP1.EHZ. 2020-04-21T20:05:20.32 0.3 undecidable manual S 132 17.0718 106 0.06 74
IV.FDMO.HHZ. 2020-04-21T20:05:20.48 0.3 undecidable manual S 170 17.871 105 0 74
IV.EL6.EHE. 2020-04-21T20:05:19.75 0.3 undecidable manual S 16 15.4734 110 -0.1 73
IV.SNTG.HHZ. 2020-04-21T20:05:18.80 0.3 undecidable manual S 307 10.9779 125 0 75
IV.CSP1.EHZ. 2020-04-21T20:05:17.19 0.3 undecidable manual P 132 17.0718 106 -0.08 73
IV.EL6.EHE. 2020-04-21T20:05:17.17 0.3 undecidable manual P 16 15.4734 110 0.14 73
IV.FDMO.HHZ. 2020-04-21T20:05:17.36 0.3 undecidable manual P 170 17.871 105 -0.04 74
IV.SNTG.HHZ. 2020-04-21T20:05:16.43 0.1 undecidable manual P 307 10.9779 125 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.7 0.000038577694999999995 2.6752 AML other m 2020-04-21T20:05:20.61
IV.FDMO.HHN. ML:0.7 0.000038860615 2.7008 AML other m 2020-04-21T20:05:22.66
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