Earthquake with magnitude of ML 1.1 on date 24-10-2020 and time 04:40:08 (UTC) in region 1 km NE San Severino Marche (MC)

A magnitude ML 1.1 earthquake occured in region: 1 km NE San Severino Marche (MC), on

  • 24-10-2020 04:40:08 (UTC)
  • 24-10-2020 06:40:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.24, 13.19 at 23 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 7 966 13692
Tolentino MC 8 20069 33761
Belforte del Chienti MC 9 1886 35647
Gagliole MC 10 620 36267
Castelraimondo MC 11 4587 40854
Caldarola MC 11 1823 42677
Treia MC 13 9403 52080
Pollenza MC 13 6618 58698
Camporotondo di Fiastrone MC 13 563 59261
Matelica MC 15 9981 69242
Camerino MC 15 6974 76216
Cingoli MC 15 10352 86568
Cessapalombo MC 15 512 87080
Urbisaglia MC 16 2628 89708
Colmurano MC 16 1263 90971
Poggio San Vicino MC 18 246 91217
San Ginesio MC 18 3498 94715
Pioraco MC 18 1134 95849
Apiro MC 18 2280 98129
Ripe San Ginesio MC 18 852 98981
Cerreto d'Esi AN 19 3817 102798
Appignano MC 19 4213 107011
Esanatoglia MC 20 2034 109045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km SW of Ancona (100861 inhabitants)
50 Km NE of Foligno (57155 inhabitants)
67 Km E of Perugia (166134 inhabitants)
69 Km S of Fano (60888 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
87 Km NE of Terni (111501 inhabitants)
100 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
Bulletin
Rev1000
ML 1.1 2020-10-24
04:40:08
43.24 13.19 23 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87210291
Reviewed
Rev100
ML 1.2 2020-10-24
04:40:08
43.25 13.18 26 2020-10-24
04:44:54
Sala Sismica INGV-Roma 84076921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 04:40:08 ± 0.12
Latitude 43.24 ± 0.00
Longitude 13.19 ± 0.01
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87210291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 580
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.43437
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 87210291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-16 14:17:16

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 84076921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 04:44:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-10-24T04:40:24.41 0.6 undecidable manual S 188 0.4083 110 0.37 45
IV.ATCC.EHZ. 2020-10-24T04:40:24.67 0.6 undecidable manual S 263 0.4038 110 0.76 39
IV.ASSB.HHZ. 2020-10-24T04:40:24.88 0.6 undecidable manual S 243 0.4344 109 0.13 47
IV.MF5.EHZ. 2020-10-24T04:40:22.58 0.6 undecidable manual S 142 0.3193 116 1 37
IV.MMO1.EHZ. 2020-10-24T04:40:22.56 0.6 undecidable manual S 164 0.3534 113 0.04 49
IV.CESI.HHZ. 2020-10-24T04:40:21.57 0.3 undecidable manual S 222 0.313 117 0.14 72
IV.FOSV.EHZ. 2020-10-24T04:40:21.89 0.6 undecidable manual S 280 0.3166 116 0.36 46
IV.ARVD.HHZ. 2020-10-24T04:40:21.80 0.6 undecidable manual S 325 0.3157 116 0.3 47
IV.GUMA.HHZ. 2020-10-24T04:40:19.34 0.6 undecidable manual S 149 0.205 130 0.59 45
IV.FDMO.HHZ. 2020-10-24T04:40:18.87 0.6 undecidable manual S 200 0.2158 128 -0.11 49
IV.SNTG.HHZ. 2020-10-24T04:40:18.21 0.6 undecidable manual S 275 0.1826 134 -0.02 50
IV.CING.HNZ. 2020-10-24T04:40:17.38 0.6 undecidable manual S 2 0.1367 143 0.05 51
IV.CSP1.EHZ. 2020-10-24T04:40:17.49 0.6 undecidable manual S 176 0.1475 140 -0.04 50
IV.EL6.EHE. 2020-10-24T04:40:17.12 0.3 undecidable manual S 325 0.1106 149 0.22 74
IV.NRCA.HHZ. 2020-10-24T04:40:17.44 0.3 undecidable manual P 188 0.4083 110 -0.2 70
IV.ATCC.EHZ. 2020-10-24T04:40:17.45 0.3 undecidable manual P 263 0.4038 110 -0.11 72
IV.ASSB.HHZ. 2020-10-24T04:40:17.72 0.3 undecidable manual P 243 0.4344 109 -0.32 68
IV.ARVD.HHZ. 2020-10-24T04:40:16.33 0.3 undecidable manual P 325 0.3157 116 0.16 72
IV.MMO1.EHZ. 2020-10-24T04:40:16.44 0.1 undecidable manual P 164 0.3534 113 -0.32 92
IV.MF5.EHZ. 2020-10-24T04:40:16.43 0.1 undecidable manual P 142 0.3193 116 0.21 95
IV.FOSV.EHZ. 2020-10-24T04:40:16.06 0.1 undecidable manual P 280 0.3166 116 -0.13 97
IV.SSFR.HHZ. 2020-10-24T04:40:16.89 0.3 undecidable manual P 304 0.3561 113 0.09 72
IV.PF6.EHN. 2020-10-24T04:40:16.48 0.6 undecidable manual S 178 0.1007 151 -0.27 48
IV.CESI.HHZ. 2020-10-24T04:40:15.90 0.1 undecidable manual P 222 0.313 117 -0.23 95
IV.SNTG.HHZ. 2020-10-24T04:40:14.13 0.1 undecidable manual P 275 0.1826 134 -0.15 98
IV.GUMA.HHZ. 2020-10-24T04:40:14.63 0.3 undecidable manual P 149 0.205 130 0.05 75
IV.FDMO.HHZ. 2020-10-24T04:40:14.47 0.3 undecidable manual P 200 0.2158 128 -0.25 72
IV.PF6.EHN. 2020-10-24T04:40:13.14 0.1 undecidable manual P 178 0.1007 151 -0.29 97
IV.CING.HNZ. 2020-10-24T04:40:13.68 0.1 undecidable manual P 2 0.1367 143 -0.09 100
IV.CSP1.EHZ. 2020-10-24T04:40:13.73 0.1 negative manual P 176 0.1475 140 -0.14 99
IV.EL6.EHE. 2020-10-24T04:40:13.53 0.3 undecidable manual P 325 0.1106 149 0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:1 5.115E-5 0.18 AML other m 2020-10-24T04:40:18.40
IV.SNTG.HHN. ML:0.9 3.89E-5 0.16 AML other m 2020-10-24T04:40:18.35
IV.FDMO.HHE. ML:1.3 8.86E-5 1.4 AML other m 2020-10-24T04:40:18.25
IV.FDMO.HHN. ML:1.3 9.005E-5 0.14 AML other m 2020-10-24T04:40:19.10
IV.GUMA.HHE. ML:1.3 8.375E-5 0.88 AML other m 2020-10-24T04:40:19.97
IV.GUMA.HHN. ML:1.3 8.595E-5 0.36 AML other m 2020-10-24T04:40:19.71
IV.CESI.HHE. ML:1.1 3.955E-5 0.24 AML other m 2020-10-24T04:40:21.72
IV.CESI.HHN. ML:1.3 6.61E-5 1.12 AML other m 2020-10-24T04:40:21.73
IV.SSFR.HHE. ML:1.1 3.775E-5 0.64 AML other m 2020-10-24T04:40:23.59
IV.SSFR.HHN. ML:1 2.82E-5 0.5 AML other m 2020-10-24T04:40:24.86
IV.ASSB.HHE. ML:1.1 3.155E-5 0.9 AML other m 2020-10-24T04:40:25.76
IV.NRCA.HHE. ML:1.2 4.015E-5 0.16 AML other m 2020-10-24T04:40:25.60
IV.NRCA.HHN. ML:1.1 3.425E-5 1.34 AML other m 2020-10-24T04:40:25.70
IV.ASSB.HHN. ML:1.1 2.765E-5 1.06 AML other m 2020-10-24T04:40:25.88
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