Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-07-2021 and time 03:27:39 (UTC) in region Costa Marchigiana Fermana (Fermo)

A magnitude ML 2.0 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 04-07-2021 03:27:39 (UTC)
  • 04-07-2021 05:27:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3820, 13.9690 at 35 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Ancona (100861 inhabitants)
83 Km N of Teramo (54892 inhabitants)
92 Km SE of Fano (60888 inhabitants)
98 Km N of Montesilvano (53738 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 2.0 2021-07-04
03:27:39		 43.3825 13.9688 35 2021-12-29
11:12:16		 Bollettino Sismico Italiano INGV 93572131
Reviewed
Rev100 		ML 2.0 2021-07-04
03:27:39		 43.4073 13.9542 39 2021-07-04
03:41:52		 Sala Sismica INGV-Roma 92216211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-04 03:27:39 ± 0.17
Latitude 43.3825 ± 0.0081
Longitude 13.9688 ± 0.0136
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93572131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1106
Semi-minor axis of confidence ellipse (meter) 859
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 242
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01264
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 93572131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 16:51:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 92216211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-04 03:41:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2021-07-04T03:28:08.48 0.3 undecidable manual S 274 95.8263 54 0.77 53
IV.NRCA.HHZ. 2021-07-04T03:28:07.26 0.3 undecidable manual S 229 92.1411 54 0.33 63
IV.ARVD.HHZ. 2021-07-04T03:28:05.38 0.6 undecidable manual S 279 83.7495 54 0.27 43
IV.FDMO.HHZ. 2021-07-04T03:28:04.42 0.3 undecidable manual S 242 80.9523 109 -0.06 69
IV.MMO1.EHZ. 2021-07-04T03:28:02.42 0.3 undecidable manual S 224 74.6697 111 -0.47 63
IV.EL6.EHZ. 2021-07-04T03:28:01.71 0.3 undecidable manual S 265 70.1742 112 -0.08 70
IV.CSP1.EHZ. 2021-07-04T03:28:01.15 0.3 undecidable manual S 243 69.6747 112 -0.5 64
IV.MF5.EHZ. 2021-07-04T03:27:59.39 0.3 undecidable manual S 223 60.0954 116 0.07 70
IV.GUMA.HHZ. 2021-07-04T03:27:59.96 0.3 undecidable manual S 236 62.2932 115 0.11 69
IV.CING.HHZ. 2021-07-04T03:27:59.40 0.3 undecidable manual S 270 62.3931 115 -0.47 65
IV.OFFI.HHZ. 2021-07-04T03:27:58.85 0.6 undecidable manual S 205 54.7008 118 0.82 38
IV.SAP2.EHE. 2021-07-04T03:27:58.67 0.6 undecidable manual S 236 55.8996 118 0.35 44
IV.ASSB.HHZ. 2021-07-04T03:27:57.85 0.6 undecidable manual P 251 112.3986 54 0.06 43
IV.ATCC.EHZ. 2021-07-04T03:27:57.59 0.3 undecidable manual P 259 109.5126 54 0.16 63
IV.MNTP.HNE. 2021-07-04T03:27:56.92 0.3 undecidable manual S 236 48.7179 121 0.28 68
IV.SSFR.HHZ. 2021-07-04T03:27:56.10 0.3 undecidable manual P 274 95.8263 54 0.38 62
IV.SMA1.EHZ. 2021-07-04T03:27:55.63 0.3 undecidable manual P 212 98.0241 54 -0.36 61
IV.TERO.HHZ. 2021-07-04T03:27:54.76 0.3 undecidable manual P 199 89.3439 54 -0.15 65
IV.NRCA.HHZ. 2021-07-04T03:27:54.92 0.3 undecidable manual P 229 92.1411 54 -0.35 62
IV.ARVD.HHZ. 2021-07-04T03:27:54.34 0.3 undecidable manual P 279 83.7495 54 0.12 67
IV.FDMO.HHZ. 2021-07-04T03:27:53.20 0.1 positive manual P 242 80.9523 109 -0.65 78
IV.AOI.HHZ. 2021-07-04T03:27:53.78 0.3 undecidable manual S 302 34.9428 131 0.11 73
IV.CIMA.HNN. 2021-07-04T03:27:52.69 0.3 undecidable manual S 251 25.5522 141 0.75 61
IV.EL6.EHZ. 2021-07-04T03:27:52.11 0.1 negative manual P 265 70.1742 112 -0.19 90
IV.PP3.EHZ. 2021-07-04T03:27:52.69 0.3 undecidable manual S 269 28.9488 137 0.16 73
IV.MMO1.EHZ. 2021-07-04T03:27:52.32 0.1 positive manual P 224 74.6697 111 -0.62 79
IV.TRTR.HHZ. 2021-07-04T03:27:52.39 0.1 undecidable manual P 184 63.8916 114 0.99 71
IV.CADA.HNE. 2021-07-04T03:27:51.91 0.3 undecidable manual S 219 26.751 139 -0.23 72
IV.CSP1.EHZ. 2021-07-04T03:27:51.63 0.1 positive manual P 243 69.6747 112 -0.59 81
IV.OFFI.HHZ. 2021-07-04T03:27:50.60 0.1 negative manual P 205 54.7008 118 0.47 88
IV.SAP2.EHE. 2021-07-04T03:27:50.25 0.3 undecidable manual P 236 55.8996 118 -0.05 71
IV.MF5.EHZ. 2021-07-04T03:27:50.76 0.1 negative manual P 223 60.0954 116 -0.12 93
IV.TRE1.HNN. 2021-07-04T03:27:50.50 3.0 undecidable manual P 0.67 0
IV.GUMA.HHZ. 2021-07-04T03:27:50.90 0.1 positive manual P 236 62.2932 115 -0.28 90
IV.CING.HHZ. 2021-07-04T03:27:50.99 0.1 positive manual P 270 62.3931 115 -0.2 91
IV.MNTP.HNE. 2021-07-04T03:27:49.13 0.3 undecidable manual P 236 48.7179 121 -0.19 70
IV.MNTT.EHZ. 2021-07-04T03:27:49.39 0.1 positive manual P 220 46.62 123 0.33 92
IV.AOI.HHZ. 2021-07-04T03:27:47.67 0.1 negative manual P 302 34.9428 131 0.06 99
IV.CADA.HNE. 2021-07-04T03:27:46.46 0.3 undecidable manual P 219 26.751 139 -0.27 71
IV.CIMA.HNN. 2021-07-04T03:27:46.70 0.3 undecidable manual P 251 25.5522 141 0.09 75
IV.PP3.EHZ. 2021-07-04T03:27:46.92 0.1 positive manual P 269 28.9488 137 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PP3.HNN. ML:2.5 0.0009739999999999999 1.74 AML other m 2021-07-04T03:27:52.09
IV.PP3.EHN. ML:2.6 0.0011766835 0.2416 AML other m 2021-07-04T03:27:53.09
IV.PP3.HNE. ML:2.4 0.0007645 1.8 AML other m 2021-07-04T03:27:52.08
IV.PP3.EHE. ML:2.1 0.0003835 0.18 AML other m 2021-07-04T03:27:54.10
IV.AOI.HHE. ML:2.0 0.00027739415000000003 0.1408 AML other m 2021-07-04T03:27:54.87
IV.AOI.HHN. ML:1.9 0.00021684814999999998 0.12 AML other m 2021-07-04T03:27:54.48
IV.MF5.EHN. ML:2.2 0.00028974725 0.2592 AML other m 2021-07-04T03:28:00.23
IV.MF5.EHE. ML:2.3 0.000324 0.18 AML other m 2021-07-04T03:28:00.29
IV.GUMA.HNE. ML:2.3 0.00033899999999999995 0.42 AML other m 2021-07-04T03:28:00.68
IV.GUMA.HHE. ML:2.4 0.000379 0.28 AML other m 2021-07-04T03:28:00.70
IV.GUMA.HHN. ML:2.2 0.00023400000000000002 1.74 AML other m 2021-07-04T03:28:00.98
IV.CSP1.EHE. ML:1.9 0.000109629615 0.2 AML other m 2021-07-04T03:28:03.34
IV.OFFI.HHN. ML:2.3 0.0003436136 0.3008 AML other m 2021-07-04T03:28:01.10
IV.FDMO.HHN. ML:1.5 0.00003925 1.8 AML other m 2021-07-04T03:28:05.00
IV.FDMO.HHE. ML:1.9 0.00009405 0.18 AML other m 2021-07-04T03:28:05.23
IV.OFFI.HHE. ML:2.2 0.0002695 0.36 AML other m 2021-07-04T03:28:05.36
IV.CSP1.EHN. ML:2.0 0.00013931445000000002 0.2416 AML other m 2021-07-04T03:28:03.96
IV.ARVD.HHN. ML:1.6 0.000042550000000000004 1.42 AML other m 2021-07-04T03:28:06.05
IV.ARVD.HHE. ML:1.4 0.0000295 1.38 AML other m 2021-07-04T03:28:06.86
IV.NRCA.HHE. ML:1.9 0.00007825 0.14 AML other m 2021-07-04T03:28:09.25
IV.SMA1.EHE. ML:1.6 0.000037900000000000006 0.24 AML other m 2021-07-04T03:28:09.76
IV.SMA1.EHN. ML:1.8 0.00006035 0.26 AML other m 2021-07-04T03:28:09.90
IV.NRCA.HHN. ML:1.7 0.000054638955 0.1392 AML other m 2021-07-04T03:28:08.52
IV.SSFR.HHE. ML:1.9 0.00008312968500000001 0.24 AML other m 2021-07-04T03:28:11.14
IV.SSFR.HHN. ML:1.8 0.00006660842 0.32 AML other m 2021-07-04T03:28:08.73
IV.ASSB.HHN. ML:1.5 0.00002675 0.36 AML other m 2021-07-04T03:28:13.59
IV.ASSB.HHE. ML:1.5 0.000025016385000000002 0.2608 AML other m 2021-07-04T03:28:15.00
IV.GUMA.HNN. ML:3.0 0.0015292412499999998 1.5312 AML other m 2021-07-04T03:28:05.53
IV.EL6.EHN. ML:1.7 0.00007608414499999999 0.24 AML other m 2021-07-04T03:28:03.42
IV.EL6.EHE. ML:1.7 0.000070313005 0.1392 AML other m 2021-07-04T03:28:03.28
IV.TRTR.HHE. ML:2.3 0.0003035987 0.5184 AML other m 2021-07-04T03:28:10.28
IV.TRTR.HHN. ML:2.2 0.0002849271 0.36 AML other m 2021-07-04T03:28:03.74
IV.NRCA.HNN. ML:2.2 0.00016820605 0.5808 AML other m 2021-07-04T03:28:12.42
IV.NRCA.HNE. ML:2.2 0.0001652948 1.6096 AML other m 2021-07-04T03:28:19.33
IV.SSFR.HNE. ML:2.2 0.000169179775 0.8096 AML other m 2021-07-04T03:28:08.56
IV.SSFR.HNN. ML:2.3 0.00018113070000000002 0.6912 AML other m 2021-07-04T03:28:13.29
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
Waveforms Seismic signals in miniseed + resp format Download