Earthquake with magnitude of ML 0.8 on date 19-05-2021 and time 01:02:16 (UTC) in region 1 km SW San Severino Marche (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km SW San Severino Marche (MC), on

  • 19-05-2021 01:02:16 (UTC)
  • 19-05-2021 03:02:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2230, 13.1730 at 21 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
San Severino Marche MC 1 12726 12726
Serrapetrona MC 5 966 13692
Belforte del Chienti MC 8 1886 15578
Gagliole MC 9 620 16198
Tolentino MC 9 20069 36267
Castelraimondo MC 9 4587 40854
Caldarola MC 10 1823 42677
Camporotondo di Fiastrone MC 13 563 43240
Camerino MC 13 6974 50214
Matelica MC 14 9981 60195
Cessapalombo MC 14 512 60707
Treia MC 15 9403 70110
Pollenza MC 15 6618 76728
Pioraco MC 16 1134 77862
Colmurano MC 16 1263 79125
Urbisaglia MC 17 2628 81753
San Ginesio MC 17 3498 85251
Cingoli MC 17 10352 95603
Ripe San Ginesio MC 18 852 96455
Poggio San Vicino MC 19 246 96701
Esanatoglia MC 19 2034 98735
Muccia MC 19 915 99650
Cerreto d'Esi AN 19 3817 103467
Pievebovigliana MC 19 866 104333
Apiro MC 19 2280 106613
Fiuminata MC 20 1402 108015
Sefro MC 20 422 108437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Foligno (57155 inhabitants)
52 Km SW of Ancona (100861 inhabitants)
65 Km E of Perugia (166134 inhabitants)
70 Km S of Fano (60888 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
79 Km S of Pesaro (94582 inhabitants)
85 Km NE of Terni (111501 inhabitants)
99 Km N of L'Aquila (69753 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 0.8 2021-05-19
01:02:16
43.2227 13.1732 21 2021-05-19
01:11:01
Sala Sismica INGV-Roma 90243931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-19 01:02:16 ± 0.26
Latitude 43.2227 ± 0.0054
Longitude 13.1732 ± 0.0099
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90243931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
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 16
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 90243931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-19 01:11:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-05-19T01:02:30.14 0.3 undecidable manual S 161 37.9287 110 0.08 72
IV.CESI.HHZ. 2021-05-19T01:02:29.08 0.1 undecidable manual S 222 32.5452 115 0.37 92
IV.GUMA.HHE. 2021-05-19T01:02:26.38 0.3 undecidable manual S 143 22.0668 126 0.08 73
IV.CING.HHZ. 2021-05-19T01:02:25.25 0.1 undecidable manual S 6 17.0718 135 -0.04 100
IV.FDMO.HHZ. 2021-05-19T01:02:25.83 0.1 undecidable manual S 199 21.7671 127 -0.41 91
IV.CSP1.EHZ. 2021-05-19T01:02:24.29 3.0 undecidable manual S 0
IV.EL6.EHZ. 2021-05-19T01:02:24.62 0.3 undecidable manual S 334 13.1757 143 0.01 75
IV.MMO1.EHZ. 2021-05-19T01:02:24.40 0.1 undecidable manual P 161 37.9287 110 -0.13 94
IV.MF5.EHZ. 2021-05-19T01:02:24.58 3.0 undecidable manual P 0.25 0
IV.CESI.HHZ. 2021-05-19T01:02:23.96 0.1 undecidable manual P 222 32.5452 115 0.21 95
IV.FDMO.HHZ. 2021-05-19T01:02:22.24 0.1 undecidable manual P 199 21.7671 127 -0.09 97
IV.GUMA.HHE. 2021-05-19T01:02:22.48 0.1 undecidable manual P 143 22.0668 126 0.12 97
IV.PESA.HHZ. 2021-05-19T01:02:21.49 3.0 positive manual P 0 0
IV.CSP1.EHZ. 2021-05-19T01:02:21.08 3.0 undecidable manual P 0
IV.CING.HHZ. 2021-05-19T01:02:21.97 0.1 undecidable manual P 6 17.0718 135 0.19 96
IV.EL6.EHZ. 2021-05-19T01:02:20.87 0.3 undecidable manual P 334 13.1757 143 -0.51 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:0.8 0.000035176695 0.08 AML other m 2021-05-19T01:02:25.55
IV.CING.HHN. ML:0.9 0.000046513885 0.1 AML other m 2021-05-19T01:02:25.57
IV.CESI.HHE. ML:0.7 0.000022271095 2.46 AML other m 2021-05-19T01:02:29.14
IV.CESI.HHN. ML:0.8 0.000026202435000000004 2.08 AML other m 2021-05-19T01:02:29.10
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