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Sequence · 2001-07-07

M 7.6 · Observed seismic cluster · 51 km SW of Punta de Bombón, Peru

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions.

M4.5+ events in cluster42
M6+1
Analysis radius436 km
Observation window14 days
Largest secondary eventM 5.2
Quake Pulse · Major sequence

What the sequence shows

After the M 7.6 reference event, Quake Pulse counts 24 M4+ event(s) in the first 24 hours and 38 in the first 7 days. Fourteen-day M4.5+ activity is about 5.6× the average equivalent derived from the previous year. The largest secondary event is M 2.4 below the reference event.

86/100Sequence score
Events in the previous 24 h2
In the first hour8
In the first 24 hours24
In the first 7 days38
Within 14 days42
Peak one-hour count8

Local historical context

Descriptive comparison with M4.5+ events observed in the same radius during the 365 days before the sequence.

M4.5+ events / 365 d197Average 14-day equivalent7.6Activity / baseline ratio5.6×

A ratio above 1 means denser M4.5+ activity than the average equivalent derived from the previous 365 days. It is not a risk measure or a forecast.

Reference event

Largest secondary eventM 5.2Magnitude gapM 2.4Observed duration11.1 d

Earlier events are shown as context only. They are not labelled precursors and should not be interpreted as predictive signals.

Evolving sequence map

Shows M4+ cluster events according to elapsed time after the reference event.

1 hour24 hours7 days14 days
51 km SW of Punta de Bombón, Peru · 436 kmInteractive 3D view of earthquakes within 436 km of 51 km SW of Punta de Bombón, Peru.51 km SW of Punta de Bombón, PeruM 4.6 · 78 km SSW of Islay (Matarani), Peru · 34.9 kmM 5.1 · 52 km S of Punta de Bombón, Peru · 25.2 kmM 4.8 · 82 km SSW of Islay (Matarani), Peru · 46.2 kmM 4.8 · 64 km SSW of Islay (Matarani), Peru · 26.4 kmM 4.9 · 77 km SW of Islay (Matarani), Peru · 62.6 kmM 4.9 · 47 km S of Punta de Bombón, Peru · 29.8 kmM 5.2 · 13 km SW of Punta de Bombón, Peru · 37.9 kmM 4.7 · 73 km SSW of Islay (Matarani), Peru · 29.0 kmM 4.5 · 95 km SW of Islay (Matarani), Peru · 60.7 kmM 4.7 · 47 km SSW of Islay (Matarani), Peru · 35.4 kmM 5.2 · 51 km S of Punta de Bombón, Peru · 28.3 kmM 4.9 · 86 km WSW of Pacocha, Peru · 42.2 kmM 4.9 · 49 km SSW of Mollendo, Peru · 16.9 kmM 4.7 · 41 km SSW of Punta de Bombón, Peru · 10.3 kmM 4.8 · 50 km SW of Punta de Bombón, Peru · 0.6 kmM 4.7 · 72 km SW of Islay (Matarani), Peru · 43.3 kmM 4.7 · 83 km SSW of Islay (Matarani), Peru · 40.1 kmM 4.6 · 64 km SW of Punta de Bombón, Peru · 13.6 kmM 4.5 · 109 km SW of Punta de Bombón, Peru · 58.7 kmM 4.6 · 59 km SW of Punta de Bombón, Peru · 10.1 kmM 4.7 · 64 km SW of Punta de Bombón, Peru · 13.6 kmM 4.9 · 59 km SW of Punta de Bombón, Peru · 9.0 kmM 5.0 · 38 km W of Pacocha, Peru · 39.6 kmM 4.8 · 57 km SSW of Punta de Bombón, Peru · 7.3 km
51 km SW of Punta de Bombón, Peru436 km24 Recent earthquakes

Detailed timeline

Dots represent M4+ events retained by the sequence detector. Dot size depends on magnitude.

0 h24 h7 d14 d

Sequences are descriptive groupings based on spatial and temporal proximity. Quake Pulse does not establish a causal link between every event here and does not provide earthquake forecasts.

Quake Pulse

Main-event impact

Shallow

55/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.651 km SW of Punta de Bombón, Peru33.0 km2001-07-07 09:38:43 UTCView event →
M 4.678 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 09:53:54 UTCView event →
M 5.152 km S of Punta de Bombón, Peru33.0 km2001-07-07 09:58:25 UTCView event →
M 4.882 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 10:04:17 UTCView event →
M 4.864 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 10:06:40 UTCView event →
M 4.977 km SW of Islay (Matarani), Peru33.0 km2001-07-07 10:08:16 UTCView event →
M 4.947 km S of Punta de Bombón, Peru33.0 km2001-07-07 10:10:03 UTCView event →
M 5.213 km SW of Punta de Bombón, Peru33.0 km2001-07-07 10:12:06 UTCView event →
M 4.773 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 10:16:04 UTCView event →
M 4.595 km SW of Islay (Matarani), Peru33.0 km2001-07-07 10:39:14 UTCView event →
M 4.747 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 11:13:46 UTCView event →
M 5.251 km S of Punta de Bombón, Peru31.3 km2001-07-07 11:17:32 UTCView event →
M 4.986 km WSW of Pacocha, Peru33.0 km2001-07-07 11:43:01 UTCView event →
M 4.949 km SSW of Mollendo, Peru33.0 km2001-07-07 11:49:21 UTCView event →
M 4.741 km SSW of Punta de Bombón, Peru33.0 km2001-07-07 11:55:59 UTCView event →
M 4.850 km SW of Punta de Bombón, Peru33.0 km2001-07-07 12:22:26 UTCView event →
M 4.772 km SW of Islay (Matarani), Peru33.0 km2001-07-07 12:51:01 UTCView event →
M 4.783 km SSW of Islay (Matarani), Peru33.0 km2001-07-07 13:31:04 UTCView event →
M 4.664 km SW of Punta de Bombón, Peru33.0 km2001-07-07 13:36:16 UTCView event →
M 4.5109 km SW of Punta de Bombón, Peru33.0 km2001-07-07 15:04:32 UTCView event →
M 4.659 km SW of Punta de Bombón, Peru33.0 km2001-07-07 15:24:19 UTCView event →
M 4.764 km SW of Punta de Bombón, Peru33.0 km2001-07-07 17:04:23 UTCView event →
M 4.959 km SW of Punta de Bombón, Peru33.0 km2001-07-07 19:30:00 UTCView event →
M 5.038 km W of Pacocha, Peru33.0 km2001-07-07 21:27:33 UTCView event →
M 4.857 km SSW of Punta de Bombón, Peru33.0 km2001-07-07 22:36:45 UTCView event →
M 4.971 km SSW of Islay (Matarani), Peru33.0 km2001-07-08 20:03:22 UTCView event →
M 4.714 km SSE of Camaná, Peru33.0 km2001-07-08 21:15:18 UTCView event →
M 4.99 km ESE of Macusani, Peru33.0 km2001-07-09 09:37:03 UTCView event →
M 4.723 km N of Santa Lucía, Peru33.0 km2001-07-09 14:15:03 UTCView event →
M 4.760 km SSW of Islay (Matarani), Peru33.0 km2001-07-09 19:05:15 UTCView event →
M 4.613 km NNW of Santa Lucía, Peru33.0 km2001-07-10 02:08:13 UTCView event →
M 4.721 km NW of Cabanilla, Peru33.0 km2001-07-10 03:24:00 UTCView event →
M 4.587 km WSW of El Cardo, Peru33.0 km2001-07-10 16:09:49 UTCView event →
M 4.715 km NW of Santa Lucía, Peru33.0 km2001-07-11 19:39:46 UTCView event →
M 4.728 km S of Acarí, Peru33.0 km2001-07-12 14:39:19 UTCView event →
M 4.727 km SW of Punta de Bombón, Peru33.0 km2001-07-12 19:41:40 UTCView event →
M 4.677 km SSW of Islay (Matarani), Peru33.0 km2001-07-13 01:13:03 UTCView event →
M 5.2106 km ENE of Iquique, Chile106.5 km2001-07-13 12:45:25 UTCView event →
M 4.877 km SW of Pacocha, Peru33.0 km2001-07-13 19:17:42 UTCView event →
M 4.6133 km SSW of Camaná, Peru33.0 km2001-07-14 19:26:49 UTCView event →
M 4.716 km ESE of Punta de Bombón, Peru33.0 km2001-07-15 05:56:15 UTCView event →
M 4.854 km SSE of Atico, Peru33.0 km2001-07-17 23:26:00 UTCView event →
M 4.6120 km SSE of Iquique, Chile33.0 km2001-07-18 12:09:48 UTCView event →

Interpretation

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions. Historical small-earthquake detection varies through time. Long-term comparisons are most robust at higher magnitude thresholds.

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